docs: more comments

book_crossfit.py

@@ -14,15 +14,19 @@ if __name__ == "__main__":
         ]
     )
 
+    # Reduce the verbosity of the requests library's logging
     logging.getLogger("requests").setLevel(logging.WARNING)
     logging.info("Logging enhanced with request library noise reduction")
 
-    # Start the main runner
+    # Create an instance of the CrossFitBooker class
     booker = CrossFitBooker()
+
+    # Attempt to log in to the CrossFit booking system
     if not booker.login():
+        # If login fails, log the error and exit the script
         logging.error("Failed to login - Traceback: %s", traceback.format_exc())
         exit(1)
 
-    # Start continuous booking loop
+    # Start the continuous booking loop
     booker.run()
     logging.info("Script completed")

crossfit_booker.py

@@ -42,9 +42,19 @@ APP_VERSION = "5.09.21"
 
 
 class CrossFitBooker:
+    """
+    A class for automating the booking of CrossFit sessions.
+
+    This class handles authentication, session availability checking,
+    booking, and notifications for CrossFit sessions.
+    """
+
     def __init__(self) -> None:
         """
         Initialize the CrossFitBooker with necessary attributes.
+
+        Sets up authentication tokens, session headers, mandatory parameters,
+        and initializes the SessionNotifier for sending notifications.
         """
         self.auth_token: Optional[str] = None
         self.user_id: Optional[str] = None

session_config.py

@@ -8,10 +8,13 @@ class SessionConfig:
     """
 
     @staticmethod
-    def load_preferred_sessions():
+    def load_preferred_sessions(config_file="preferred_sessions.json"):
         """
         Load preferred sessions from a JSON file.
 
+        Args:
+            config_file (str): Path to the JSON file containing preferred sessions.
+
         Returns:
             List[Tuple[int, str, str]]: List of preferred sessions in the format
                                         (day_of_week, start_time, session_name_contains)
@@ -19,21 +22,34 @@ class SessionConfig:
         preferred_sessions = []
 
         try:
-            with open("preferred_sessions.json", "r") as f:
+            # Attempt to open and read the JSON file
+            with open(config_file, "r") as f:
                 data = json.load(f)
+
+                # Validate and parse each item in the JSON data
                 for item in data:
-                    day_of_week = item.get("day_of_week", 0)
-                    start_time = item.get("start_time", "00:00")
-                    session_name_contains = item.get("session_name_contains", "")
+                    day_of_week = item.get("day_of_week", 0)  # Default to Monday if not specified
+                    start_time = item.get("start_time", "00:00")  # Default to midnight if not specified
+                    session_name_contains = item.get("session_name_contains", "")  # Default to empty string if not specified
+
+                    # Append the parsed session to the list
                     preferred_sessions.append((day_of_week, start_time, session_name_contains))
-        except (FileNotFoundError, json.JSONDecodeError) as e:
-            logging.warning(f"Failed to load preferred sessions from file: {str(e)}")
-            # Fall back to default hardcoded sessions
-            # preferred_sessions = [
-            #     (2, "18:30", "CONDITIONING"),   # Wednesday 18:30 CONDITIONING
-            #     (4, "17:00", "WEIGHTLIFTING"),  # Friday 17:00 WEIGHTLIFTING
-            #     (5, "12:30", "HYROX"),          # Saturday 12:30 HYROX
-            # ]
+
+        except FileNotFoundError:
+            # Log a warning if the file is not found
+            logging.warning(f"Configuration file '{config_file}' not found. Falling back to default settings.")
+
+        except json.JSONDecodeError:
+            # Log a warning if the file is not a valid JSON
+            logging.warning(f"Failed to decode JSON from file '{config_file}'. Falling back to default settings.")
+
+        # Fallback to default hardcoded sessions if no valid sessions were loaded
+        if not preferred_sessions:
+            preferred_sessions = [
+                (2, "18:30", "CONDITIONING"),   # Wednesday 18:30 CONDITIONING
+                (4, "17:00", "WEIGHTLIFTING"),  # Friday 17:00 WEIGHTLIFTING
+                (5, "12:30", "HYROX"),          # Saturday 12:30 HYROX
+            ]
 
         return preferred_sessions