Add module docstrings to login routes for improved documentation and clarity; streamline login status check

routes/login.py

@@ -1,3 +1,5 @@
+"""Module to handle the login process."""
+
 from flask import Blueprint, request, jsonify, session
 from custom_functions.database.user_db import verify_user
 
@@ -9,7 +11,7 @@ login_bp = Blueprint(
 
 @login_bp.route("/login", methods=["POST"])
 def login():
-    if request.method == "POST":
+    """Handle the login process."""
     data = request.get_json()
     for required_field in ["username", "password"]:
         if required_field not in data:
@@ -23,23 +25,18 @@ def login():
             "username"
         ].lower()  # Stored securely in a signed cookie
         return jsonify({"message": "Successfully logged in!"})
-        else:
     return jsonify({"error": "Invalid username or password!"}), 401
 
 
 @login_bp.route("/login/status", methods=["POST"])
 def login_status():
-    try:
+    """Check if the user is logged in."""
     username = session.get("username")
-        if username:
-            return jsonify({"message": "True"})
-        else:
-            return jsonify({"message": "False"})
-    except:
-        return jsonify({"message": "False"})
+    return jsonify({"message": "True" if username else "False"})
 
 
 @login_bp.route("/logout", methods=["POST"])
 def logout():
+    """Logout the user."""
     session.pop("username", None)
     return jsonify({"message": "Successfully logged out!"})