first commit

backend/app/__init__.py

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+from flask import Flask
+from flask_cors import CORS
+from flask_migrate import Migrate
+from flask_jwt_extended import JWTManager
+import logging
+import os
+
+from .config import config_by_name
+from .models import db
+
+
+def create_app(config_name=None):
+    app = Flask(__name__)
+
+    if config_name is None:
+        config_name = os.environ.get("FLASK_ENV", "development")
+
+    app.config.from_object(config_by_name[config_name])
+
+    CORS(app, origins=app.config["CORS_ORIGINS"])
+
+    db.init_app(app)
+    migrate = Migrate(app, db)
+
+    jwt = JWTManager(app)
+
+    setup_logging(app)
+
+    register_blueprints(app)
+
+    setup_error_handlers(app)
+
+    return app
+
+
+def setup_logging(app):
+    log_dir = os.path.dirname(app.config["LOG_FILE"])
+    if not os.path.exists(log_dir):
+        os.makedirs(log_dir)
+
+    logging.basicConfig(
+        level=getattr(logging, app.config["LOG_LEVEL"]),
+        format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
+        handlers=[logging.FileHandler(app.config["LOG_FILE"]), logging.StreamHandler()],
+    )
+
+
+def register_blueprints(app):
+    from .api import api_bp
+
+    app.register_blueprint(api_bp, url_prefix="/api")
+
+
+def setup_error_handlers(app):
+    @app.errorhandler(404)
+    def not_found(error):
+        return {"error": "Not found"}, 404
+
+    @app.errorhandler(500)
+    def internal_error(error):
+        app.logger.error(f"Internal error: {error}")
+        return {"error": "Internal server error"}, 500