Initial commit

app/__init__.py

@@ -0,0 +1,115 @@
+import os
+import logging
+from logging.handlers import RotatingFileHandler
+from flask import Flask
+from werkzeug.middleware.proxy_fix import ProxyFix
+from flask_sqlalchemy import SQLAlchemy
+from flask_login import LoginManager
+from flask_mail import Mail
+from flask_migrate import Migrate
+from flask_socketio import SocketIO
+from config.config import config
+
+db       = SQLAlchemy()
+login_manager= LoginManager()
+mail     = Mail()
+migrate  = Migrate()
+socketio = SocketIO()
+
+
+def create_app(config_name=None):
+    if config_name is None:
+        config_name = os.environ.get('FLASK_ENV', 'production')
+
+    app = Flask(__name__, template_folder='templates', static_folder='static')
+    app.config.from_object(config.get(config_name, config['default']))
+
+    # ── ProxyFix: trust one nginx proxy hop for real client IPs ───────────────
+    app.wsgi_app = ProxyFix(app.wsgi_app, x_for=1, x_proto=1, x_host=1)
+
+    # ── Extensions ────────────────────────────────────────────────────────────
+    db.init_app(app)
+    login_manager.init_app(app)
+    mail.init_app(app)
+    migrate.init_app(app, db)
+    socketio.init_app(app, async_mode='eventlet', cors_allowed_origins='*')
+
+    login_manager.login_view       = 'auth.login'
+    login_manager.login_message    = 'Please log in to access this page.'
+    login_manager.login_message_category = 'info'
+
+    # ── Upload directory ──────────────────────────────────────────────────────
+    upload_dir = app.config.get('UPLOAD_FOLDER', 'app/static/uploads')
+    os.makedirs(upload_dir, exist_ok=True)
+
+    # ── Logging ───────────────────────────────────────────────────────────────
+    if not app.debug:
+        os.makedirs('logs', exist_ok=True)
+        file_handler = RotatingFileHandler(
+            'logs/it_tickets.log', maxBytes=10_485_760, backupCount=10
+        )
+        file_handler.setFormatter(logging.Formatter(
+            '%(asctime)s %(levelname)s: %(message)s [in %(pathname)s:%(lineno)d]'
+        ))
+        file_handler.setLevel(logging.INFO)
+        app.logger.addHandler(file_handler)
+    app.logger.setLevel(logging.INFO)
+    app.logger.info('IT Ticket System startup')
+
+    # ── Blueprints ────────────────────────────────────────────────────────────
+    from app.routes.auth    import auth_bp
+    from app.routes.tickets import tickets_bp
+    from app.routes.admin   import admin_bp
+    from app.routes.api     import api_bp
+    from app.routes.chatbot import chatbot_bp
+
+    app.register_blueprint(auth_bp)
+    app.register_blueprint(tickets_bp)
+    app.register_blueprint(admin_bp)
+    app.register_blueprint(api_bp)
+    app.register_blueprint(chatbot_bp)
+
+    # ── User loader ───────────────────────────────────────────────────────────
+    from app.models import User
+
+    @login_manager.user_loader
+    def load_user(user_id):
+        return User.query.get(int(user_id))
+
+    # ── Context processors ────────────────────────────────────────────────────
+    @app.context_processor
+    def inject_globals():
+        from flask_login import current_user
+        unread = 0
+        if current_user.is_authenticated:
+            from app.models import Notification
+            unread = Notification.query.filter_by(
+                user_id=current_user.id, is_read=False
+            ).count()
+        return dict(unread_notifications=unread)
+
+    # ── DB initialisation (first run) ─────────────────────────────────────────
+    with app.app_context():
+        db.create_all()
+        _seed_admin(app)
+
+    return app
+
+
+def _seed_admin(app):
+    """Create the default admin account if none exists."""
+    from app.models import User, UserRole
+    if User.query.filter_by(role=UserRole.ADMIN).first():
+        return
+    admin = User(
+        email     = app.config['ADMIN_EMAIL'],
+        username  = 'admin',
+        full_name = 'System Administrator',
+        role      = UserRole.ADMIN,
+        department= 'IT',
+        is_active = True,
+    )
+    admin.set_password(app.config['ADMIN_PASSWORD'])
+    db.session.add(admin)
+    db.session.commit()
+    app.logger.info(f'[SEED] Default admin account created: {admin.email}')