Files
yu-zhi-ran/platform/backend/app/database.py
T
lt 71cb4c35a8 chore: 清理 Docker 相关文件并优化前端布局
- 删除 Docker 相关文件 (docker-compose, Dockerfile, nginx.conf, init.sql 等)
- 优化 platforms.html 卡片布局和响应式样式
- 优化 users.html 格式和移动端卡片设计
- 优化 admin.html 页面结构和表格布局
- 修复各页面 min-height 和溢出问题
- 更新导航组件样式
2026-05-09 19:41:59 +08:00

56 lines
1.9 KiB
Python

from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
import os
from pathlib import Path
PROJECT_ROOT = Path(__file__).resolve().parent.parent.parent.parent
USE_POSTGRES = os.getenv('USE_POSTGRES', 'true').lower() == 'true'
if USE_POSTGRES:
POSTGRES_CONFIG = {
'host': os.getenv('PG_HOST', '127.0.0.1'),
'port': os.getenv('PG_PORT', '5432'),
'database': os.getenv('PG_DATABASE', 'yzr_nr'),
'user': os.getenv('PG_USER', 'yzr_nr'),
'password': os.getenv('PG_PASSWORD', 'aTX3WKKnPfRnM5PC')
}
SQLALCHEMY_DATABASE_URL = (
f"postgresql://{POSTGRES_CONFIG['user']}:{POSTGRES_CONFIG['password']}"
f"@{POSTGRES_CONFIG['host']}:{POSTGRES_CONFIG['port']}/{POSTGRES_CONFIG['database']}"
)
engine = create_engine(
SQLALCHEMY_DATABASE_URL,
pool_pre_ping=True,
pool_size=10,
max_overflow=20
)
else:
DATA_DIR = os.getenv('DATA_DIR', str(PROJECT_ROOT / 'data'))
os.makedirs(DATA_DIR, exist_ok=True)
DB_PATH = os.path.join(DATA_DIR, 'yzr.db')
SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_PATH}"
engine = create_engine(SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False})
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()
def init_db():
Base.metadata.create_all(bind=engine)
# 迁移:为已有表添加 last_login 列
try:
from sqlalchemy import text
with engine.connect() as conn:
conn.execute(text("ALTER TABLE users ADD COLUMN IF NOT EXISTS last_login TIMESTAMP"))
conn.commit()
except Exception:
pass # SQLite 不支持 IF NOT EXISTS,但 create_all 对 SQLite 够用
def get_db():
db = SessionLocal()
try:
yield db
finally:
db.close()