Create app.py

app.py

@@ -0,0 +1,63 @@
+import os
+import logging
+from flask import Flask, request, session
+from flask_sqlalchemy import SQLAlchemy
+from flask_babel import Babel, get_locale
+from sqlalchemy.orm import DeclarativeBase
+from werkzeug.middleware.proxy_fix import ProxyFix
+
+# Set up logging
+logging.basicConfig(level=logging.DEBUG)
+
+class Base(DeclarativeBase):
+    pass
+
+db = SQLAlchemy(model_class=Base)
+
+# Create the app
+app = Flask(__name__)
+app.secret_key = os.environ.get("SESSION_SECRET", "dev-secret-key-change-in-production")
+app.wsgi_app = ProxyFix(app.wsgi_app, x_proto=1, x_host=1)
+
+# Configure the database
+database_url = os.environ.get("DATABASE_URL", "sqlite:///app.db")
+app.config["SQLALCHEMY_DATABASE_URI"] = database_url
+app.config["SQLALCHEMY_ENGINE_OPTIONS"] = {
+    "pool_recycle": 300,
+    "pool_pre_ping": True,
+}
+
+# Configure Babel for internationalization
+app.config['LANGUAGES'] = {
+    'en': 'English',
+    'bn': 'বাংলা'
+}
+app.config['BABEL_DEFAULT_LOCALE'] = 'en'
+app.config['BABEL_DEFAULT_TIMEZONE'] = 'UTC'
+
+# Initialize extensions
+db.init_app(app)
+babel = Babel(app)
+
+def get_locale():
+    # Check if language is set in session
+    if 'language' in session:
+        return session['language']
+    
+    # Check Accept-Language header
+    return request.accept_languages.best_match(app.config['LANGUAGES'].keys()) or 'en'
+
+babel.init_app(app, locale_selector=get_locale)
+
+# Make get_locale available in templates
+@app.context_processor
+def inject_get_locale():
+    return dict(get_locale=get_locale)
+
+with app.app_context():
+    # Import models and routes
+    import models
+    import routes
+    
+    # Create all tables
+    db.create_all()