update code of dash and report of cont_client and devlp abstract of qty

app/services/logger_service.py

@@ -5,75 +5,145 @@ from flask import request, session, has_request_context
 
 
 class RequestContextFilter(logging.Filter):
+    """Adds request information to every log record."""
 
     def filter(self, record):
 
         if has_request_context():
-            record.user = session.get("user_email", "Anonymous")
-            record.ip = request.remote_addr
+            record.user = session.get("user_name", "Anonymous")
+            record.ip = request.remote_addr or "Unknown"
             record.method = request.method
             record.url = request.url
         else:
             record.user = "System"
-            record.ip = "N/A"
-            record.method = "N/A"
-            record.url = "N/A"
+            record.ip = "-"
+            record.method = "-"
+            record.url = "-"
 
         return True
 
 
 class LoggerService:
 
-    @staticmethod
-    def init_app(app):
+    LOG_DIR = "logs"
 
-        if not os.path.exists("logs"):
-            os.makedirs("logs")
+    APP_LOG = "app.log"
+    ERROR_LOG = "error.log"
+    DEBUG_LOG = "debug.log"
+
+    MAX_BYTES = 10 * 1024 * 1024      # 10 MB
+    BACKUP_COUNT = 10
+
+    @classmethod
+    def init_app(cls, app):
+
+        os.makedirs(cls.LOG_DIR, exist_ok=True)
 
         formatter = logging.Formatter(
-            "%(asctime)s | %(levelname)s | "
-            "User:%(user)s | IP:%(ip)s | "
-            "Method:%(method)s | URL:%(url)s | "
-            "%(message)s"
+            fmt=(
+                "%(asctime)s | "
+                "%(levelname)-8s | "
+                "User=%(user)s | "
+                "IP=%(ip)s | "
+                "%(method)s | "
+                "%(url)s | "
+                "%(message)s"
+            ),
+            datefmt="%Y-%m-%d %H:%M:%S"
         )
 
-        # INFO LOG
-        info_handler = RotatingFileHandler(
-            "logs/app.log",
-            maxBytes=5 * 1024 * 1024,
-            backupCount=5
-        )
-        info_handler.setLevel(logging.INFO)
-        info_handler.setFormatter(formatter)
-
-        # ERROR LOG
-        error_handler = RotatingFileHandler(
-            "logs/error.log",
-            maxBytes=5 * 1024 * 1024,
-            backupCount=5
-        )
-        error_handler.setLevel(logging.ERROR)
-        error_handler.setFormatter(formatter)
-
-        # CONSOLE
-        console_handler = logging.StreamHandler()
-        console_handler.setLevel(logging.DEBUG)
-        console_handler.setFormatter(formatter)
-
-        # 🔹 ADD FILTER (important)
         context_filter = RequestContextFilter()
 
-        info_handler.addFilter(context_filter)
+        # Remove default handlers
+        app.logger.handlers.clear()
+
+        # ==========================
+        # Application Log
+        # ==========================
+        app_handler = RotatingFileHandler(
+            os.path.join(cls.LOG_DIR, cls.APP_LOG),
+            maxBytes=cls.MAX_BYTES,
+            backupCount=cls.BACKUP_COUNT,
+            encoding="utf-8"
+        )
+
+        app_handler.setLevel(logging.INFO)
+        app_handler.setFormatter(formatter)
+        app_handler.addFilter(context_filter)
+
+        # ==========================
+        # Error Log
+        # ==========================
+        error_handler = RotatingFileHandler(
+            os.path.join(cls.LOG_DIR, cls.ERROR_LOG),
+            maxBytes=cls.MAX_BYTES,
+            backupCount=cls.BACKUP_COUNT,
+            encoding="utf-8"
+        )
+
+        error_handler.setLevel(logging.ERROR)
+        error_handler.setFormatter(formatter)
         error_handler.addFilter(context_filter)
+
+        # ==========================
+        # Debug Log
+        # ==========================
+        debug_handler = RotatingFileHandler(
+            os.path.join(cls.LOG_DIR, cls.DEBUG_LOG),
+            maxBytes=cls.MAX_BYTES,
+            backupCount=cls.BACKUP_COUNT,
+            encoding="utf-8"
+        )
+
+        debug_handler.setLevel(logging.DEBUG)
+        debug_handler.setFormatter(formatter)
+        debug_handler.addFilter(context_filter)
+
+        # ==========================
+        # Console Log
+        # ==========================
+        console_handler = logging.StreamHandler()
+
+        console_handler.setLevel(logging.INFO)
+        console_handler.setFormatter(formatter)
         console_handler.addFilter(context_filter)
 
+        # ==========================
+        # Logger Configuration
+        # ==========================
         app.logger.setLevel(logging.DEBUG)
 
-        app.logger.addHandler(info_handler)
+        app.logger.addHandler(app_handler)
         app.logger.addHandler(error_handler)
+        app.logger.addHandler(debug_handler)
         app.logger.addHandler(console_handler)
 
-        # Log every request automatically
+        # ==========================
+        # Automatic Request Logging
+        # ==========================
         @app.before_request
-        def log_request():
-            app.logger.info("Request Started")
+        def before_request():
+            app.logger.info("Request Started")
+
+        @app.after_request
+        def after_request(response):
+            app.logger.info(
+                f"Request Completed | Status={response.status_code}"
+            )
+            return response
+
+        # ==========================
+        # Exception Logging
+        # ==========================
+        @app.errorhandler(Exception)
+        def log_exception(error):
+
+            app.logger.exception(
+                f"Unhandled Exception: {str(error)}"
+            )
+
+            raise error
+
+        app.logger.info("=" * 70)
+        app.logger.info("Application Started Successfully")
+        app.logger.info("=" * 70)