个股论坛重做

community_api.py

@@ -8,17 +8,17 @@ import uuid
 from datetime import datetime
 from functools import wraps
 
-from flask import Blueprint, request, jsonify, session, g
+from flask import Blueprint, request, jsonify, session, g, current_app
 from elasticsearch import Elasticsearch
-from sqlalchemy import create_engine, text
+from sqlalchemy import text
 
 # ============================================================
-# Blueprint 和数据库连接
+# Blueprint 定义
 # ============================================================
 
 community_bp = Blueprint('community', __name__, url_prefix='/api/community')
 
-# ES 客户端（与 app.py 共享配置）
+# ES 客户端
 es_client = Elasticsearch(
     hosts=["http://222.128.1.157:19200"],
     request_timeout=30,
@@ -26,9 +26,20 @@ es_client = Elasticsearch(
     retry_on_timeout=True
 )
 
-# MySQL 连接（与 app.py 共享配置）
-DATABASE_URL = "mysql+pymysql://root:wangzhe66@222.128.1.157:3307/stock_analysis?charset=utf8mb4"
-engine = create_engine(DATABASE_URL, pool_pre_ping=True, pool_recycle=3600)
+# 注意：数据库连接从 app.py 的 db 对象获取，不再独立创建
+# engine 变量会在 Blueprint 注册后通过 app context 获取
+
+engine = None  # 将在第一次请求时初始化
+
+def get_db_engine():
+    """获取数据库引擎（延迟初始化）"""
+    global engine
+    if engine is None:
+        from flask import current_app
+        # 从 app.py 的 SQLAlchemy 实例获取 engine
+        from app import db
+        engine = db.engine
+    return engine
 
 
 # ============================================================
@@ -92,7 +103,7 @@ def get_channels():
     返回格式：[{ id, name, icon, channels: [...] }, ...]
     """
     try:
-        with engine.connect() as conn:
+        with get_db_engine().connect() as conn:
             # 查询分类
             categories_sql = text("""
                 SELECT id, name, icon, position, is_collapsible, is_system
@@ -163,7 +174,7 @@ def get_channels():
 def get_channel(channel_id):
     """获取单个频道详情"""
     try:
-        with engine.connect() as conn:
+        with get_db_engine().connect() as conn:
             sql = text("""
                 SELECT
                     c.*, cc.concept_name, cc.stock_count, cc.is_hot
@@ -204,7 +215,7 @@ def subscribe_channel(channel_id):
         user = g.current_user
         subscription_id = generate_id()
 
-        with engine.connect() as conn:
+        with get_db_engine().connect() as conn:
             # 检查是否已订阅
             check_sql = text("""
                 SELECT id FROM community_subscriptions
@@ -251,7 +262,7 @@ def unsubscribe_channel(channel_id):
     try:
         user = g.current_user
 
-        with engine.connect() as conn:
+        with get_db_engine().connect() as conn:
             # 删除订阅
             delete_sql = text("""
                 DELETE FROM community_subscriptions
@@ -329,7 +340,7 @@ def send_message(channel_id):
         )
 
         # 更新频道最后消息时间和消息数
-        with engine.connect() as conn:
+        with get_db_engine().connect() as conn:
             update_sql = text("""
                 UPDATE community_channels
                 SET message_count = message_count + 1,
@@ -503,7 +514,7 @@ def create_post(channel_id):
         )
 
         # 更新频道消息数
-        with engine.connect() as conn:
+        with get_db_engine().connect() as conn:
             update_sql = text("""
                 UPDATE community_channels
                 SET message_count = message_count + 1,