Add extracurricular activities and signup validation to the API

Author: Monal-Reddy

src/app.py

@@ -38,6 +38,45 @@
         "schedule": "Mondays, Wednesdays, Fridays, 2:00 PM - 3:00 PM",
         "max_participants": 30,
         "participants": ["john@mergington.edu", "olivia@mergington.edu"]
+    },
+    # Sports related activities
+    "Soccer Team": {
+        "description": "Join the school soccer team and compete in local leagues",
+        "schedule": "Tuesdays and Thursdays, 4:00 PM - 5:30 PM",
+        "max_participants": 18,
+        "participants": ["lucas@mergington.edu", "mia@mergington.edu"]
+    },
+    "Basketball Club": {
+        "description": "Practice basketball skills and play friendly matches",
+        "schedule": "Wednesdays, 3:30 PM - 5:00 PM",
+        "max_participants": 15,
+        "participants": ["liam@mergington.edu", "ava@mergington.edu"]
+    },
+    # Artistic activities
+    "Art Club": {
+        "description": "Explore painting, drawing, and other visual arts",
+        "schedule": "Mondays, 3:30 PM - 5:00 PM",
+        "max_participants": 16,
+        "participants": ["ella@mergington.edu", "noah@mergington.edu"]
+    },
+    "Drama Society": {
+        "description": "Participate in theater productions and acting workshops",
+        "schedule": "Fridays, 4:00 PM - 6:00 PM",
+        "max_participants": 20,
+        "participants": ["amelia@mergington.edu", "jack@mergington.edu"]
+    },
+    # Intellectual activities
+    "Math Olympiad": {
+        "description": "Prepare for math competitions and solve challenging problems",
+        "schedule": "Thursdays, 3:30 PM - 5:00 PM",
+        "max_participants": 14,
+        "participants": ["charlotte@mergington.edu", "benjamin@mergington.edu"]
+    },
+    "Debate Club": {
+        "description": "Develop public speaking and argumentation skills",
+        "schedule": "Wednesdays, 4:00 PM - 5:30 PM",
+        "max_participants": 12,
+        "participants": ["henry@mergington.edu", "grace@mergington.edu"]
     }
 }
 
@@ -61,7 +100,9 @@ def signup_for_activity(activity_name: str, email: str):
 
     # Get the specific activity
     activity = activities[activity_name]
+# Validate student is not already signed up
 
+    if email in activity["participants"]:
     # Add student
     activity["participants"].append(email)
     return {"message": f"Signed up {email} for {activity_name}"}