前端封装是否点赞的api
Change-Id: I69e915f6c9aa1a8f721ff38a4df58dd8fdfc6e0a
diff --git a/WZY/xhs_server/routes/posts.py b/WZY/xhs_server/routes/posts.py
index cb7e266..d4994c1 100644
--- a/WZY/xhs_server/routes/posts.py
+++ b/WZY/xhs_server/routes/posts.py
@@ -1,26 +1,31 @@
# routes/posts.py
from flask import Blueprint, request, jsonify, abort
-from extensions import db
-from models.post import Post
+from extensions import db
+from models.post import Post
from models.behavior import Behavior
posts_bp = Blueprint('posts', __name__)
@posts_bp.route('', methods=['POST'])
def create_post():
+ """
+ POST /posts
+ 接收 application/json 格式：
+ { "user_id": ..., "title": ..., "content": ..., "topic_id": ..., "media_urls": [...], "status": ... }
+ """
data = request.get_json() or {}
post = Post(**data)
db.session.add(post)
db.session.commit()
return jsonify({'id': post.id}), 201
+
@posts_bp.route('', methods=['GET'])
def list_posts():
"""
- 获取帖子列表，支持：
- - GET /posts 返回所有已发布帖子
- - GET /posts?user_id=123 返回指定用户 user_id 的所有帖子
+ GET /posts → 返回所有已发布帖子
+ GET /posts?user_id=xx → 返回指定用户的所有帖子
"""
user_id = request.args.get('user_id', type=int)
query = Post.query
@@ -28,36 +33,43 @@
query = query.filter_by(user_id=user_id)
else:
query = query.filter_by(status='published')
- posts = query.all()
+ posts = query.all()
return jsonify([{
- 'id': p.id,
- 'title': p.title,
- 'heat': p.heat,
- 'status': p.status,
- 'created_at': p.created_at.isoformat()
+ 'id' : p.id,
+ 'title' : p.title,
+ 'status' : p.status,
+ 'heat' : p.heat,
+ 'created_at' : p.created_at.isoformat()
} for p in posts])
+
@posts_bp.route('/<int:post_id>', methods=['GET'])
def get_post(post_id):
+ """
+ GET /posts/<post_id>
+ """
post = Post.query.get_or_404(post_id)
return jsonify({
- 'id': post.id,
- 'user_id': post.user_id,
- 'topic_id': post.topic_id,
- 'title': post.title,
- 'content': post.content,
- 'media_urls': post.media_urls,
- 'status': post.status,
- 'heat': post.heat,
- 'created_at': post.created_at.isoformat(),
- 'updated_at': post.updated_at.isoformat()
+ 'id' : post.id,
+ 'user_id' : post.user_id,
+ 'topic_id' : post.topic_id,
+ 'title' : post.title,
+ 'content' : post.content,
+ 'media_urls' : post.media_urls,
+ 'status' : post.status,
+ 'heat' : post.heat,
+ 'created_at' : post.created_at.isoformat(),
+ 'updated_at' : post.updated_at.isoformat()
})
+
@posts_bp.route('/<int:post_id>', methods=['PUT'])
def update_post(post_id):
"""
- 修改帖子字段（可选字段：title, content, topic_id, media_urls, status）
+ PUT /posts/<post_id>
+ 接收 application/json 格式，可选字段：
+ title, content, topic_id, media_urls, status
"""
post = Post.query.get_or_404(post_id)
data = request.get_json() or {}
@@ -67,28 +79,104 @@
db.session.commit()
return '', 204
+
@posts_bp.route('/<int:post_id>', methods=['DELETE'])
def delete_post(post_id):
+ """
+ DELETE /posts/<post_id>
+ """
post = Post.query.get_or_404(post_id)
db.session.delete(post)
db.session.commit()
return '', 204
-@posts_bp.route('/<int:post_id>/<action>', methods=['POST'])
-def post_action(post_id, action):
- """
- 支持的 action: like, favorite, view, share
- 对于 like 和 favorite，保证每个用户每帖只做一次。
- """
- if action not in ('like', 'favorite', 'view', 'share'):
- abort(400, 'Invalid action')
- data = request.get_json() or {}
+@posts_bp.route('/<int:post_id>/like', methods=['GET'])
+def has_liked(post_id):
+ """
+ GET /posts/<post_id>/like?user_id=xx
+ 返回 { "liked": true/false }
+ """
+ user_id = request.args.get('user_id', type=int)
+ if not user_id:
+ abort(400, 'user_id required')
+
+ exists = Behavior.query.filter_by(
+ user_id=user_id,
+ post_id=post_id,
+ type='like'
+ ).first() is not None
+
+ return jsonify({'liked': exists}), 200
+
+
+@posts_bp.route('/<int:post_id>/like', methods=['DELETE'])
+def unlike(post_id):
+ """
+ DELETE /posts/<post_id>/like
+ body: { "user_id": xx }
+ """
+ data = request.get_json(silent=True) or {}
user_id = data.get('user_id')
if not user_id:
abort(400, 'user_id required')
- # 对 like/favorite 做去重检查
+ beh = Behavior.query.filter_by(
+ user_id=user_id,
+ post_id=post_id,
+ type='like'
+ ).first()
+ if not beh:
+ return jsonify({'error': 'not liked yet'}), 400
+
+ db.session.delete(beh)
+ post = Post.query.get_or_404(post_id)
+ post.heat = max(post.heat - 1, 0)
+ db.session.commit()
+ return '', 204
+
+
+@posts_bp.route('/<int:post_id>/favorite', methods=['DELETE'])
+def unfavorite(post_id):
+ """
+ DELETE /posts/<post_id>/favorite
+ body: { "user_id": xx }
+ """
+ data = request.get_json(silent=True) or {}
+ user_id = data.get('user_id')
+ if not user_id:
+ abort(400, 'user_id required')
+
+ beh = Behavior.query.filter_by(
+ user_id=user_id,
+ post_id=post_id,
+ type='favorite'
+ ).first()
+ if not beh:
+ return jsonify({'error': 'not favorited yet'}), 400
+
+ db.session.delete(beh)
+ post = Post.query.get_or_404(post_id)
+ post.heat = max(post.heat - 1, 0)
+ db.session.commit()
+ return '', 204
+
+
+@posts_bp.route('/<int:post_id>/<action>', methods=['POST'])
+def post_action(post_id, action):
+ """
+ POST /posts/<post_id>/<action>
+ 支持 action: like, favorite, view, share
+ """
+ if action not in ('like', 'favorite', 'view', 'share'):
+ abort(400, 'Invalid action')
+
+ data = request.get_json() or {}
+ user_id = data.get('user_id')
+ if not user_id:
+ abort(400, 'user_id required')
+
+ # 幂等检查
if action in ('like', 'favorite'):
exists = Behavior.query.filter_by(
user_id=user_id,
@@ -108,64 +196,3 @@
db.session.commit()
return '', 201
-
-@posts_bp.route('/<int:post_id>/like', methods=['DELETE'])
-def unlike(post_id):
- user_id = request.get_json(silent=True) and request.get_json().get('user_id')
- if not user_id:
- abort(400, 'user_id required')
- # 查找已有的 like 行为
- beh = Behavior.query.filter_by(
- user_id=user_id,
- post_id=post_id,
- type='like'
- ).first()
- if not beh:
- return jsonify({'error': 'not liked yet'}), 400
-
- db.session.delete(beh)
- # 更新热度，确保不降到负数
- post = Post.query.get_or_404(post_id)
- post.heat = max(post.heat - 1, 0)
- db.session.commit()
- return '', 204
-
-@posts_bp.route('/<int:post_id>/favorite', methods=['DELETE'])
-def unfavorite(post_id):
- user_id = request.get_json(silent=True) and request.get_json().get('user_id')
- if not user_id:
- abort(400, 'user_id required')
- # 查找已有的 favorite 行为
- beh = Behavior.query.filter_by(
- user_id=user_id,
- post_id=post_id,
- type='favorite'
- ).first()
- if not beh:
- return jsonify({'error': 'not favorited yet'}), 400
-
- db.session.delete(beh)
- # 更新热度
- post = Post.query.get_or_404(post_id)
- post.heat = max(post.heat - 1, 0)
- db.session.commit()
- return '', 204
-
-@posts_bp.route('/<int:post_id>/like', methods=['GET'])
-def has_liked(post_id):
- """
- 检查指定 user_id 是否对 post_id 点过赞。
- GET /posts/<post_id>/like?user_id=123
- 返回 { "liked": true } 或 { "liked": false }
- """
- user_id = request.args.get('user_id', type=int)
- if not user_id:
- abort(400, 'user_id required')
-
- exists = Behavior.query.filter_by(
- user_id=user_id,
- post_id=post_id,
- type='like'
- ).first() is not None
-
- return jsonify({'liked': exists}), 200