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251 行
8.5 KiB
251 行
8.5 KiB
from flask import Flask, render_template, request, jsonify, session, Blueprint
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from bson import json_util
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import random
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from APP.view.database import db_session
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from APP.view.model import Collection, UserLike
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import uuid
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bp_collection = Blueprint("collection", __name__, url_prefix="/collection")
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@bp_collection.route("/add", methods=["POST"])
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def add_collection():
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name = request.form.get('name')
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tag = request.form.get('tag', None)
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phonenum = request.form.get('phonenum')
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id = str(uuid.uuid1())
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try:
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count = Collection.query.count()
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print(count)
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c = Collection(id=id, name=name, tag=tag, phonenum=phonenum, order=count)
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db_session.add(c)
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db_session.commit()
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except BaseException as e:
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print(e)
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ret = {'msg': 'failed!', 'name': name}
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return json_util.dumps(ret)
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ret = {'msg': 'succuss', 'name': name, 'id': id}
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"""；
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插入最末尾
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ret['id'] =
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"""
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return json_util.dumps(ret)
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@bp_collection.route("/select", methods=["POST"])
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def get_collection():
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# 搜索的关键词
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name = request.form.get('name', "")
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# 搜索对象
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phonenum = request.form.get('phonenum', None)
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collections = []
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"""
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collections.append({'id': '1', 'name': 'xuanz','like':1})
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collections.append({'id': '2', 'name': 'mingg','like':2})
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collections.append({'id': '3', 'name': 'wnqian','like':3})
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"""
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try:
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row = db_session.query(Collection).filter(Collection.name.like('%' + name + '%'),
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Collection.phonenum == phonenum).order_by(Collection.order).all()
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for item in row:
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collection_tmp = {}
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collection_tmp['id'] = item.id
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collection_tmp['name'] = item.name
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collection_tmp['like'] = item.like
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collection_tmp['tag'] = item.tag
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collection_tmp['order'] = item.order
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collections.append(collection_tmp)
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except BaseException as e:
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print(str(e))
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ret = {'msg': 'failed!'}
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return json_util.dumps(ret)
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ret = {'collections': collections, 'msg': 'succuss'}
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return json_util.dumps(ret)
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@bp_collection.route("/recommand", methods=["POST"])
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def recommand_collection():
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phonenum = request.form.get('phonenum')
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collections = []
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"""
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返回推荐的内容
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collections.append({'id': '1', 'name': 'xuanz','like':1})
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collections.append({'id': '2', 'name': 'mingg','like':2})
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collections.append({'id': '3', 'name': 'wnqian','like':3})
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"""
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try:
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row0 = db_session.query(Collection).join(UserLike, UserLike.collection_id == Collection.id).filter(
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UserLike.phonenum == phonenum).all()
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# 构建用户tag字典
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user_like = {}
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for collection in row0:
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tag_tmp = collection.tag
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if tag_tmp in user_like.keys():
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user_like[tag_tmp] += 1
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else:
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user_like[tag_tmp] = 1
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print(user_like)
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row = db_session.query(Collection).filter().all()
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for item in row:
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collection_tmp = {}
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collection_tmp['id'] = item.id
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collection_tmp['name'] = item.name
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collection_tmp['like'] = item.like
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collection_tmp['tag'] = item.tag
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collection_tmp['priority'] = user_like[item.tag] if item.tag in user_like.keys() else 0
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collections.append(collection_tmp)
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# 对tag相关性进行排序
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collections_new = sorted(collections, key=lambda x: x.__getitem__('priority'), reverse=True)
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except BaseException as e:
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print(str(e))
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ret = {'msg': 'failed!'}
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return json_util.dumps(ret)
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ret = {'collections': collections_new, 'msg': 'succuss'}
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return json_util.dumps(ret)
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@bp_collection.route("/isLike", methods=["POST"])
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def islike():
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id = request.form.get('collection_id')
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phonenum = request.form.get('phonenum')
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"""
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返回当前用户（用session确定）对这个id的collection是否有点赞
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ans['isLike'] = True
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"""
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row = db_session.query(UserLike).filter(UserLike.collection_id == id, UserLike.phonenum == phonenum,
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UserLike.state == 1).first()
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print(row, id, phonenum)
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if row is not None:
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islike = True
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else:
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islike = False
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ret = {'msg': 'succuss', 'isLike': islike}
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return json_util.dumps(ret)
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@bp_collection.route("/like", methods=["POST"])
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def get_like():
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id = request.form.get('collection_id')
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phonenum = request.form.get('phonenum')
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"""
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增加点赞数
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更新用户的点赞状态
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"""
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ret = {'msg': 'succuss'}
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try:
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s = UserLike(phonenum=phonenum, collection_id=id, state=1)
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row = db_session.query(UserLike).filter(UserLike.collection_id == id, UserLike.phonenum == phonenum).first()
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if row is None:
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db_session.add(s)
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db_session.query(Collection).filter(Collection.id == id).update({Collection.like: Collection.like + 1})
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db_session.commit()
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else:
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db_session.query(UserLike).filter(UserLike.collection_id == id, UserLike.phonenum == phonenum).update(
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{UserLike.state: 1})
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db_session.query(Collection).filter(Collection.id == id).update({Collection.like: Collection.like + 1})
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db_session.commit()
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except BaseException as e:
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print(str(e))
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ret = {'msg': 'failed!'}
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return json_util.dumps(ret)
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return json_util.dumps(ret)
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@bp_collection.route("/unlike", methods=["POST"])
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def get_unlike():
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id = request.form.get('collection_id')
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phonenum = request.form.get('phonenum')
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"""
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减少点赞数
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更新用户的点赞状态
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"""
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ret = {'msg': 'succuss'}
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try:
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db_session.query(UserLike).filter(UserLike.collection_id == id, UserLike.phonenum == phonenum).update(
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{UserLike.state: 0})
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db_session.query(Collection).filter(Collection.id == id).update({Collection.like: Collection.like - 1})
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db_session.commit()
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except BaseException as e:
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print(str(e))
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ret = {'msg': 'failed!'}
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return json_util.dumps(ret)
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return json_util.dumps(ret)
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@bp_collection.route("/swap", methods=["POST"])
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def swap():
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id = request.form.get('id')
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order = request.form.get('new_order')
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"""
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把这个id的collection和顺序是order的collection交换
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编号从零开始，有可能是自己
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"""
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try:
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item1 = db_session.query(Collection).filter(Collection.id == id).first()
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item2 = db_session.query(Collection).filter(Collection.order == order).first()
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order1 = item1.order
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# order2 = item2.order
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id2 = item2.id
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db_session.query(Collection).filter(Collection.id == id).update({Collection.order: order})
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db_session.query(Collection).filter(Collection.id == id2).update({Collection.order: order1})
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db_session.commit()
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except BaseException as e:
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print(str(e))
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ret = {'msg': 'failed!'}
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return json_util.dumps(ret)
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ret = {'msg': 'succuss'}
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return json_util.dumps(ret)
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@bp_collection.route("/delete", methods=["POST"])
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def delete():
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id = request.form.get('collection_id')
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"""
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删除这个id的collection，记得刷新顺序
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"""
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try:
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# 删除collection
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item = db_session.query(Collection).filter(Collection.id == id).first()
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order_item = item.order
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db_session.delete(item)
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# 刷新order顺序
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db_session.query(Collection).filter(Collection.order > order_item).update(
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{Collection.order: Collection.order - 1})
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db_session.commit()
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except BaseException as e:
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print(str(e))
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ret = {'msg': 'failed!'}
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return json_util.dumps(ret)
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ret = {'msg': 'succuss'}
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return json_util.dumps(ret)
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@bp_collection.route("/edit", methods=["POST"])
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def edit():
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id = request.form.get('collection_id')
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name = request.form.get('name', None)
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tag = request.form.get('tag', None)
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"""
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全部是none的情况请直接返回
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"""
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if id is None and name is None and tag is None:
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ret = {'msg': 'id,name,tag are all none!'}
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return json_util.dumps(ret)
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try:
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db_session.query(Collection).filter(Collection.id == id).update({Collection.name: name, Collection.tag: tag})
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db_session.commit()
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except BaseException as e:
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print(str(e))
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ret = {'msg': 'failed!'}
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return json_util.dumps(ret)
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ret = {'msg': 'succuss'}
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return json_util.dumps(ret)
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