Files
yu-zhi-ran/platform/backend/app/database.py
T
lt cf5103bbca feat: 全面升级项目架构 - PostgreSQL迁移 + 配置化改造
主要变更:
- 数据库: SQLite → PostgreSQL (yzr_nr)
- 选题系统: 硬编码字段 → 配置化 (TopicField/TopicConfigField/TopicStatusConfig)
- 新增模型: ContentCalendar, ContentMetrics, MediaAsset, PlatformConfig, ContentTask
- 新增 API: topic-config, calendar, metrics, assets, tasks, platform-config
- 数据迁移: 现有选题数据迁移到新 schema (field_id/tags/custom_data/scoring_data)
- 初始化数据: 10个领域, 5种状态, 3个平台配置

服务运行: http://localhost:8001
默认账号: admin / admin123
2026-05-08 18:26:01 +08:00

48 lines
1.5 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)
def get_db():
db = SessionLocal()
try:
yield db
finally:
db.close()