Upload app.py

app.py

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+import os
+import logging
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from sqlalchemy.orm import DeclarativeBase
+from werkzeug.middleware.proxy_fix import ProxyFix
+
+# Configure logging
+logging.basicConfig(level=logging.DEBUG)
+
+class Base(DeclarativeBase):
+    pass
+
+# Initialize database
+db = SQLAlchemy(model_class=Base)
+
+# Create Flask app
+app = Flask(__name__)
+app.secret_key = os.environ.get("SESSION_SECRET", "dev-secret-key")
+app.wsgi_app = ProxyFix(app.wsgi_app, x_proto=1, x_host=1)
+
+# Configure database
+app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get("DATABASE_URL", "sqlite:///whatsapp_clone.db")
+app.config["SQLALCHEMY_ENGINE_OPTIONS"] = {
+    "pool_recycle": 300,
+    "pool_pre_ping": True,
+}
+
+# File upload configuration
+app.config['MAX_CONTENT_LENGTH'] = 100 * 1024 * 1024  # 100MB max file size
+app.config['UPLOAD_FOLDER'] = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'uploads')
+app.config['ALLOWED_EXTENSIONS'] = {
+    'txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif', 'webp', 'bmp', 'tiff', 'psd', 'ai', 'eps',
+    'mp3', 'wav', 'ogg', 'm4a', 'aac', 'flac', 'wma',
+    'mp4', 'avi', 'mov', 'mkv', 'wmv', 'flv', '3gp', 'webm',
+    'doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'odt', 'ods', 'odp',
+    'zip', 'rar', '7z', 'tar', 'gz', 'bz2',
+    'apk', 'exe', 'dmg', 'deb', 'rpm', 'msi',
+    'html', 'css', 'js', 'json', 'xml', 'csv',
+    'rtf', 'tex', 'md', 'log'
+}
+
+# Initialize database with app
+db.init_app(app)
+
+# Ensure upload directory exists
+os.makedirs(app.config['UPLOAD_FOLDER'], exist_ok=True)
+
+# Create tables
+with app.app_context():
+    import models  # noqa: F401
+    db.create_all()
+    logging.info("Database tables created")
+
+# Import routes
+import routes  # noqa: F401