Files
yu-zhi-ran/platform/backend/app/database.py
T
Yuzhiran Dev 41b0f694ee feat: 平台配置表扩展配图/字数字段,微信公众号正文插入配图,合规检查从DB读规则
- PlatformConfig模型新增requires_image、image_count_min/max、image_width/height、min_words/max_words
- schemas.py同步PlatformConfigBase/Create/Update/Response新字段
- initial_data.py为三大平台填充初始值(微信需配图、字数800-1500等)
- database.py添加新列ALTER TABLE迁移
- platforms.html重写编辑弹窗(正确字段名+配图/字数设置)
- writer.py微信公众号文章正文h1后插入<img>占位
- compliance_checker.py接受platform_config参数,从DB读取规则替代硬编码
- compliance_optimizer.py启动时加载DB平台配置传入checker
2026-05-17 23:08:43 +08:00

81 lines
3.5 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)
from sqlalchemy import text
try:
with engine.connect() as conn:
# 迁移:为已有表添加列
conn.execute(text("ALTER TABLE users ADD COLUMN IF NOT EXISTS last_login TIMESTAMP"))
conn.execute(text("ALTER TABLE llm_configs ADD COLUMN IF NOT EXISTS provider VARCHAR DEFAULT 'opencode-go'"))
conn.execute(text("ALTER TABLE llm_configs ADD COLUMN IF NOT EXISTS base_url VARCHAR"))
conn.execute(text("ALTER TABLE llm_configs ADD COLUMN IF NOT EXISTS api_key VARCHAR"))
try:
conn.execute(text("ALTER TABLE articles ADD COLUMN IF NOT EXISTS images JSON DEFAULT '{}'::json"))
except Exception:
conn.execute(text("ALTER TABLE articles ADD COLUMN IF NOT EXISTS images TEXT DEFAULT '{}'"))
for table, col, typ in [
("users", "org_id", "VARCHAR DEFAULT 'default'"),
("topics", "org_id", "VARCHAR DEFAULT 'default'"),
("platform_configs", "requires_image", "BOOLEAN DEFAULT FALSE"),
("platform_configs", "image_count_min", "INTEGER DEFAULT 0"),
("platform_configs", "image_count_max", "INTEGER DEFAULT 0"),
("platform_configs", "image_width", "INTEGER DEFAULT 0"),
("platform_configs", "image_height", "INTEGER DEFAULT 0"),
("platform_configs", "min_words", "INTEGER DEFAULT 0"),
("platform_configs", "max_words", "INTEGER DEFAULT 0"),
]:
try:
conn.execute(text(f"ALTER TABLE {table} ADD COLUMN IF NOT EXISTS {col} {typ}"))
except Exception:
try:
conn.execute(text(f"ALTER TABLE {table} ADD COLUMN {col} {typ}"))
except Exception:
pass
conn.commit()
except Exception:
pass # SQLite 不支持 IF NOT EXISTS,但 create_all 对 SQLite 够用,这里仅为 PostgreSQL 迁移
def get_db():
db = SessionLocal()
try:
yield db
finally:
db.close()