diff --git a/project1/bookstore/app.log b/project1/bookstore/app.log
deleted file mode 100644
index f795767..0000000
--- a/project1/bookstore/app.log
+++ /dev/null
@@ -1,1646 +0,0 @@
-INFO:werkzeug:WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
- * Running on http://127.0.0.1:5000
-INFO:werkzeug:Press CTRL+C to quit
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:09] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:10] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:10] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:10] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:10] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:10] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:10] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:10] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:10] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:10] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /shutdown [GET]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\serve.py", line 23, in be_shutdown
-    shutdown_server()
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\serve.py", line 17, in shutdown_server
-    raise RuntimeError("Not running with the Werkzeug Server")
-RuntimeError: Not running with the Werkzeug Server
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:52:10] "GET /shutdown HTTP/1.1" 500 -
-INFO:werkzeug:WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
- * Running on http://127.0.0.1:5000
-INFO:werkzeug:Press CTRL+C to quit
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:24] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:25] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:25] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:25] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:25] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:25] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:25] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:25] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:25] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /auth/register [POST]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\view\auth.py", line 35, in register
-    code, message = u.register(user_id=user_id, password=password)
-                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 59, in register
-    token = jwt_encode(user_id, terminal)
-            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\model\user.py", line 22, in jwt_encode
-    return encoded.decode("utf-8")
-           ^^^^^^^^^^^^^^
-AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:25] "POST /auth/register HTTP/1.1" 500 -
-ERROR:be.serve:Exception on /shutdown [GET]
-Traceback (most recent call last):
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 1473, in wsgi_app
-    response = self.full_dispatch_request()
-               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 882, in full_dispatch_request
-    rv = self.handle_user_exception(e)
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 880, in full_dispatch_request
-    rv = self.dispatch_request()
-         ^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\venv\Lib\site-packages\flask\app.py", line 865, in dispatch_request
-    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
-           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\serve.py", line 23, in be_shutdown
-    shutdown_server()
-  File "C:\Users\22924\CDMS.Xuan_ZHOU.2024Fall.DaSE\project1\bookstore\be\serve.py", line 17, in shutdown_server
-    raise RuntimeError("Not running with the Werkzeug Server")
-RuntimeError: Not running with the Werkzeug Server
-INFO:werkzeug:127.0.0.1 - - [10/Oct/2024 10:58:25] "GET /shutdown HTTP/1.1" 500 -