Cloud computing coursework:Saas 图片社交网站
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

101 lines
3.4 KiB

# -*- coding: utf-8 -*-
from flask import render_template, jsonify, Blueprint
from flask_login import current_user
from phshare.models import User, Photo, Notification
from phshare.notifications import push_collect_notification, push_follow_notification
ajax_bp = Blueprint('ajax', __name__)
@ajax_bp.route('/notifications-count')
def notifications_count():
if not current_user.is_authenticated:
return jsonify(message='Login required.'), 403
count = Notification.query.with_parent(current_user).filter_by(is_read=False).count()
return jsonify(count=count)
@ajax_bp.route('/profile/<int:user_id>')
def get_profile(user_id):
user = User.query.get_or_404(user_id)
return render_template('main/profile_popup.html', user=user)
@ajax_bp.route('/followers-count/<int:user_id>')
def followers_count(user_id):
user = User.query.get_or_404(user_id)
count = user.followers.count() - 1 # minus user self
return jsonify(count=count)
@ajax_bp.route('/<int:photo_id>/followers-count')
def collectors_count(photo_id):
photo = Photo.query.get_or_404(photo_id)
count = len(photo.collectors)
return jsonify(count=count)
@ajax_bp.route('/collect/<int:photo_id>', methods=['POST'])
def collect(photo_id):
if not current_user.is_authenticated:
return jsonify(message='Login required.'), 403
if not current_user.confirmed:
return jsonify(message='Confirm account required.'), 400
if not current_user.can('COLLECT'):
return jsonify(message='No permission.'), 403
photo = Photo.query.get_or_404(photo_id)
if current_user.is_collecting(photo):
return jsonify(message='Already collected.'), 400
current_user.collect(photo)
if current_user != photo.author and photo.author.receive_collect_notification:
push_collect_notification(collector=current_user, photo_id=photo_id, receiver=photo.author)
return jsonify(message='Photo collected.')
@ajax_bp.route('/uncollect/<int:photo_id>', methods=['POST'])
def uncollect(photo_id):
if not current_user.is_authenticated:
return jsonify(message='Login required.'), 403
photo = Photo.query.get_or_404(photo_id)
if not current_user.is_collecting(photo):
return jsonify(message='Not collect yet.'), 400
current_user.uncollect(photo)
return jsonify(message='Collect canceled.')
@ajax_bp.route('/follow/<username>', methods=['POST'])
def follow(username):
if not current_user.is_authenticated:
return jsonify(message='Login required.'), 403
if not current_user.confirmed:
return jsonify(message='Confirm account required.'), 400
if not current_user.can('FOLLOW'):
return jsonify(message='No permission.'), 403
user = User.query.filter_by(username=username).first_or_404()
if current_user.is_following(user):
return jsonify(message='Already followed.'), 400
current_user.follow(user)
if user.receive_collect_notification:
push_follow_notification(follower=current_user, receiver=user)
return jsonify(message='User followed.')
@ajax_bp.route('/unfollow/<username>', methods=['POST'])
def unfollow(username):
if not current_user.is_authenticated:
return jsonify(message='Login required.'), 403
user = User.query.filter_by(username=username).first_or_404()
if not current_user.is_following(user):
return jsonify(message='Not follow yet.'), 400
current_user.unfollow(user)
return jsonify(message='Follow canceled.')