changes of db config add .env file and rename of ex_formate.html to file_formate.html

app/__init__.py

@@ -1,3 +1,34 @@
+# from flask import Flask
+# from app.config import Config
+# from app.services.db_service import db
+
+# def create_app():
+#     app = Flask(__name__)
+#     app.config.from_object(Config)
+
+#     db.init_app(app)
+
+#     from app.routes.auth import auth_bp
+#     from app.routes.user import user_bp
+#     from app.routes.dashboard import dashboard_bp
+#     from app.routes.subcontractor_routes import subcontractor_bp
+#     from app.routes.file_import import file_import_bp
+#     from app.routes.file_report import file_report_bp
+#     from app.routes.generate_comparison_report import generate_report_bp
+#     from app.routes.file_format import file_format
+
+#     app.register_blueprint(auth_bp)
+#     app.register_blueprint(user_bp)
+#     app.register_blueprint(dashboard_bp)
+#     app.register_blueprint(subcontractor_bp)
+#     app.register_blueprint(file_import_bp)
+#     app.register_blueprint(file_report_bp)
+#     app.register_blueprint(generate_report_bp)
+#     app.register_blueprint(file_format)
+
+#     return app
+
+
 from flask import Flask
 from app.config import Config
 from app.services.db_service import db
@@ -6,8 +37,19 @@ def create_app():
     app = Flask(__name__)
     app.config.from_object(Config)
 
+    # Initialize extensions
     db.init_app(app)
 
+    # Register blueprints
+    register_blueprints(app)
+
+    # Register error handlers
+    register_error_handlers(app)
+
+    return app
+
+
+def register_blueprints(app):
     from app.routes.auth import auth_bp
     from app.routes.user import user_bp
     from app.routes.dashboard import dashboard_bp
@@ -15,7 +57,7 @@ def create_app():
     from app.routes.file_import import file_import_bp
     from app.routes.file_report import file_report_bp
     from app.routes.generate_comparison_report import generate_report_bp
-    from app.routes.file_format import file_format
+    from app.routes.file_format import file_format_bp 
 
     app.register_blueprint(auth_bp)
     app.register_blueprint(user_bp)
@@ -24,6 +66,14 @@ def create_app():
     app.register_blueprint(file_import_bp)
     app.register_blueprint(file_report_bp)
     app.register_blueprint(generate_report_bp)
-    app.register_blueprint(file_format)
+    app.register_blueprint(file_format_bp )
 
-    return app
+
+def register_error_handlers(app):
+    @app.errorhandler(404)
+    def page_not_found(e):
+        return "Page Not Found", 404
+
+    @app.errorhandler(500)
+    def internal_error(e):
+        return "Internal Server Error", 500

app/config.py

@@ -1,11 +1,29 @@
 import os
+# project base url
+BASE_DIR = os.path.abspath(os.path.dirname(__file__))
 
 class Config:
-    
-    SQLALCHEMY_DATABASE_URI = "mysql+pymysql://root:root@localhost/comparisondb"
+    # secret key
+    SECRET_KEY = os.getenv("SECRET_KEY", "dev-secret-key")
+ 
+    # Database varibles 
+    DB_DIALECT = os.getenv("DB_DIALECT")
+    DB_DRIVER = os.getenv("DB_DRIVER")
+    DB_USER = os.getenv("DB_USER")
+    DB_PASSWORD = os.getenv("DB_PASSWORD")
+    DB_HOST = os.getenv("DB_HOST")
+    DB_PORT = os.getenv("DB_PORT")
+    DB_NAME = os.getenv("DB_NAME")
+    # database connection url
+    SQLALCHEMY_DATABASE_URI = (
+        f"{DB_DIALECT}+{DB_DRIVER}://"
+        f"{DB_USER}:{DB_PASSWORD}@"
+        f"{DB_HOST}:{DB_PORT}/"
+        f"{DB_NAME}"
+    )
 
     SQLALCHEMY_TRACK_MODIFICATIONS = False
-    SECRET_KEY = "secret123"
-
-    UPLOAD_FOLDER = "app/static/uploads/"
+    # uploads folder path
+    UPLOAD_FOLDER = os.path.join(BASE_DIR, "static", "uploads")
+    # file extension
     ALLOWED_EXTENSIONS = {"xlsx", "xls", "csv"}

app/routes/file_format.py

@@ -2,15 +2,15 @@ from flask import Blueprint, render_template, send_from_directory, abort, curren
 from app.utils.helpers import login_required
 import os
 
-file_format = Blueprint("file_format", __name__)
+file_format_bp  = Blueprint("file_format", __name__)
 
-@file_format.route("/file_format")
+@file_format_bp .route("/file_format")
 @login_required
 def download_format():
-    return render_template("ex_format.html", title="Download File Formats")
+    return render_template("file_format.html", title="Download File Formats")
 
 
-@file_format.route("/file_format/download/<filename>")
+@file_format_bp .route("/file_format/download/<filename>")
 @login_required
 def download_excel_format(filename):