Add new extracurricular activities and signup validation

Author: sharwren

src/app.py

@@ -38,6 +38,48 @@
         "schedule": "Mondays, Wednesdays, Fridays, 2:00 PM - 3:00 PM",
         "max_participants": 30,
         "participants": ["[email protected]", "[email protected]"]
+    },
+
+    # --- New Sports Activities ---
+    "Soccer Team": {
+        "description": "Competitive soccer team practices and matches",
+        "schedule": "Tuesdays and Thursdays, 4:00 PM - 6:00 PM",
+        "max_participants": 18,
+        "participants": ["[email protected]"]
+    },
+    "Track and Field": {
+        "description": "Track workouts, field events, and seasonal meets",
+        "schedule": "Mondays, Wednesdays, Fridays, 3:00 PM - 4:30 PM",
+        "max_participants": 25,
+        "participants": ["[email protected]"]
+    },
+
+    # --- New Artistic Activities ---
+    "Drama Club": {
+        "description": "Theater rehearsals, acting workshops, and school productions",
+        "schedule": "Wednesdays, 4:00 PM - 6:00 PM",
+        "max_participants": 30,
+        "participants": ["[email protected]"]
+    },
+    "Photography Club": {
+        "description": "Learn photography techniques and work on creative projects",
+        "schedule": "Saturdays, 10:00 AM - 12:00 PM",
+        "max_participants": 15,
+        "participants": ["[email protected]"]
+    },
+
+    # --- New Intellectual Activities ---
+    "Robotics Club": {
+        "description": "Design, build, and program robots for competitions and demos",
+        "schedule": "Thursdays, 4:00 PM - 6:00 PM",
+        "max_participants": 12,
+        "participants": ["[email protected]"]
+    },
+    "Math Team": {
+        "description": "Prepare for math competitions and practice challenging problems",
+        "schedule": "Tuesdays, 5:00 PM - 6:30 PM",
+        "max_participants": 15,
+        "participants": ["[email protected]"]
     }
 }
 
@@ -62,6 +104,14 @@ 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"]:
+        raise HTTPException(status_code=400, detail="Student is already signed up")
+
+    # Validate capacity
+    if len(activity["participants"]) >= activity["max_participants"]:
+        raise HTTPException(status_code=400, detail="Activity is full")
+
     # Add student
     activity["participants"].append(email)
     return {"message": f"Signed up {email} for {activity_name}"}