72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
import os
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from pathlib import Path
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import yaml
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from flask import Flask
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from flask_cors import CORS
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from flask_sqlalchemy import SQLAlchemy
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# Initialize db BEFORE importing models/routes that depend on it
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db = SQLAlchemy()
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CONFIG_PATH = Path(__file__).parent.parent / "config.yml"
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def load_config():
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with open(CONFIG_PATH, encoding="utf-8") as f:
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return yaml.safe_load(f)
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def _get_database_uri(cfg: dict) -> str:
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"""Build database URI based on database type."""
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db_type = cfg.get("db_type", "mysql").lower()
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if db_type == "sqlite":
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# SQLite: sqlite:///path/to/database.db
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db_file = cfg.get("db_sqlite_file", "app.db")
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# Store in instance folder for better organization
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instance_path = Path(__file__).parent.parent / "instance"
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instance_path.mkdir(exist_ok=True)
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db_path = instance_path / db_file
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return f"sqlite:///{db_path}"
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elif db_type == "postgresql":
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# PostgreSQL: postgresql://user:password@host:port/database
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return (
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f"postgresql://{cfg['db_user']}:{cfg['db_password']}"
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f"@{cfg.get('db_host', 'localhost')}:{cfg.get('db_port', 5432)}/{cfg['db_name']}"
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)
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else: # mysql (default)
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# MySQL: mysql+pymysql://user:password@host:port/database?charset=utf8mb4
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return (
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f"mysql+pymysql://{cfg['db_user']}:{cfg['db_password']}"
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f"@{cfg.get('db_host', 'localhost')}:{cfg.get('db_port', 3306)}/{cfg['db_name']}"
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f"?charset=utf8mb4"
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)
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def create_app():
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cfg = load_config()
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app = Flask(__name__)
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app.config["SQLALCHEMY_DATABASE_URI"] = _get_database_uri(cfg)
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app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
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# Enable CORS for all routes
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CORS(app)
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db.init_app(app)
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# Import after db is initialized
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from backend.models import User, Conversation, Message, TokenUsage, Project
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from backend.routes import register_routes
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from backend.tools import init_tools
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register_routes(app)
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init_tools()
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with app.app_context():
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db.create_all()
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return app
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