Event booking addded

frontend/src/components/pages/BookingManagement/BookingManagement.tsx

-import { useLocation } from 'react-router-dom';
+import { useEffect, useState } from 'react';
+import { useLocation, useNavigate } from 'react-router-dom';
 import styles from './BookingManagement.module.scss';
 
+// Define interfaces for type safety
+interface Event {
+  id: string;
+  name: string;
+  start: Date;
+  end: Date;
+  venue: string;
+  capacity: number;
+}
+
+interface BookingCreate {
+  user_id: string;
+  event_id: string;
+  booking_date: Date;
+}
+
+interface BookingResponse extends BookingCreate {
+  id: string;
+}
+
 function BookingManagement() {
-    const state = useLocation();
-    /* Update view based on what booking form is needed
-    if (state.action === "create") {}
-    else if (state.action === "update") {}
-    */
-    return (
-        <>
-            <p>Booking Management</p>
-        </>
-    )
+  const location = useLocation();
+  const navigate = useNavigate();
+  const [event, setEvent] = useState<Event | null>(null);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const [success, setSuccess] = useState<string | null>(null);
+  
+  // Get the current user ID - this would typically come from authentication
+  const userId = "current-user-id"; // Replace with actual user ID from auth
+  
+  useEffect(() => {
+    // If there's an event in the location state, use it
+    if (location.state && location.state.event) {
+      setEvent({
+        ...location.state.event,
+        start: new Date(location.state.event.start),
+        end: new Date(location.state.event.end)
+      });
+    }
+  }, [location]);
+
+  const handleCreateBooking = async () => {
+    if (!event) return;
+    
+    try {
+      setLoading(true);
+      setError(null);
+      
+      const bookingData: BookingCreate = {
+        user_id: userId,
+        event_id: event.id,
+        booking_date: new Date()
+      };
+      
+      const response = await fetch('http://localhost:8000/events', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify(bookingData),
+      });
+      
+      if (!response.ok) {
+        const errorData = await response.json();
+        throw new Error(errorData.detail || 'Failed to create booking');
+      }
+      
+      const data = await response.json();
+      setSuccess('Booking created successfully!');
+      
+      // Redirect to a confirmation page or back to events
+      setTimeout(() => {
+        navigate('/my-bookings');
+      }, 2000);
+      
+    } catch (err) {
+      if (err instanceof Error) {
+        setError(err.message);
+      } else {
+        setError('An unknown error occurred');
+      }
+      console.error('Error creating booking:', err);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  // Handle other actions (update, cancel) as needed
+  const handleUpdateBooking = () => {
+    // Implementation for updating a booking
+    console.log("Update booking functionality to be implemented");
+  };
+
+  return (
+    <div className={styles.bookingManagement}>
+      <h2>Booking Management</h2>
+      
+      {loading && <p className={styles.loading}>Processing your request...</p>}
+      {error && <p className={styles.error}>{error}</p>}
+      {success && <p className={styles.success}>{success}</p>}
+      
+      {event && (
+        <div className={styles.eventDetails}>
+          <h3>Event Details</h3>
+          <p><strong>Name:</strong> {event.name}</p>
+          <p><strong>Start:</strong> {event.start.toLocaleString()}</p>
+          <p><strong>End:</strong> {event.end.toLocaleString()}</p>
+          <p><strong>Venue:</strong> {event.venue}</p>
+          <p><strong>Capacity:</strong> {event.capacity}</p>
+        </div>
+      )}
+      
+      {/* Update view based on what booking form is needed */}
+      {location.state && location.state.action === "create" && (
+        <div className={styles.bookingActions}>
+          <button 
+            onClick={handleCreateBooking} 
+            disabled={loading || !event}
+            className={styles.actionButton}
+          >
+            Confirm Booking
+          </button>
+        </div>
+      )}
+      
+      {location.state && location.state.action === "update" && (
+        <div className={styles.bookingActions}>
+          <button 
+            onClick={handleUpdateBooking} 
+            disabled={loading || !event}
+            className={styles.actionButton}
+          >
+            Update Booking
+          </button>
+        </div>
+      )}
+      
+      <button 
+        onClick={() => navigate('/events')} 
+        className={styles.backButton}
+      >
+        Back to Events
+      </button>
+    </div>
+  );
 }
 
 export default BookingManagement;
\ No newline at end of file

microservice-events/crud.py

@@ -7,25 +7,66 @@ from typing import List, Optional, Dict, Any
 import models, schemas
 
 # Event CRUD operations
-def get_events(db: Session, upcoming: bool = False) -> List[models.Event]:
-    """Get all events or only upcoming events"""
+def get_events(db: Session, upcoming: bool = False) -> List[dict]:
+    """Get all events or only upcoming events with spaces left calculation"""
     query = db.query(models.Event)
     if upcoming:
         now = datetime.datetime.now()
         query = query.filter(models.Event.end > now)
-    return query.all()
+    
+    events = query.all()
+    result = []
+    
+    for event in events:
+        # Count bookings for this event
+        booking_count = db.query(models.Booking).filter(
+            models.Booking.event_id == event.id
+        ).count()
+        
+        # Calculate spaces left
+        spaces_left = max(0, event.capacity - booking_count)
+        
+        # Convert to dict and add spaces_left
+        event_dict = {c.name: getattr(event, c.name) for c in event.__table__.columns}
+        event_dict['spaces_left'] = spaces_left
+        
+        result.append(event_dict)
+    
+    return result
 
-def get_event(db: Session, event_id: str) -> Optional[models.Event]:
-    """Get a specific event by ID"""
-    return db.query(models.Event).filter(models.Event.id == event_id).first()
+def get_event(db: Session, event_id: str) -> Optional[dict]:
+    """Get a specific event by ID with spaces left calculation"""
+    event = db.query(models.Event).filter(models.Event.id == event_id).first()
+    
+    if not event:
+        return None
+    
+    # Count bookings for this event
+    booking_count = db.query(models.Booking).filter(
+        models.Booking.event_id == event_id
+    ).count()
+    
+    # Calculate spaces left
+    spaces_left = max(0, event.capacity - booking_count)
+    
+    # Convert to dict and add spaces_left
+    event_dict = {c.name: getattr(event, c.name) for c in event.__table__.columns}
+    event_dict['spaces_left'] = spaces_left
+    
+    return event_dict
 
-def create_event(db: Session, event: schemas.EventCreate) -> models.Event:
+def create_event(db: Session, event: schemas.EventCreate) -> dict:
     """Create a new event"""
     db_event = models.Event(**event.model_dump())
     db.add(db_event)
     db.commit()
     db.refresh(db_event)
-    return db_event
+    
+    # New event has no bookings, so spaces_left equals capacity
+    event_dict = {c.name: getattr(db_event, c.name) for c in db_event.__table__.columns}
+    event_dict['spaces_left'] = db_event.capacity
+    
+    return event_dict
 
 def delete_event(db: Session, event_id: str) -> None:
     """Delete an event"""
@@ -125,11 +166,14 @@ def get_booking_stats(db: Session) -> Dict[str, Any]:
     for event in events:
         bookings_count = bookings_by_event.get(event.id, 0)
         capacity = event.capacity
+        spaces_left = max(0, capacity - bookings_count)
+        
         event_capacity[event.id] = {
             "name": event.name,
             "bookings": bookings_count,
             "capacity": capacity,
-            "fill_percentage": round((bookings_count / capacity) * 100, 2) if capacity > 0 else 0
+            "fill_percentage": round((bookings_count / capacity) * 100, 2) if capacity > 0 else 0,
+            "spaces_left": spaces_left  # Added spaces_left to stats
         }
     
     return {

microservice-events/main.py

@@ -90,15 +90,14 @@ async def create_booking(booking: schemas.BookingCreate, db: Session = Depends(g
         raise HTTPException(status_code=404, detail="Event not found")
     
     # Check if event has already passed
-    if event.end < datetime.datetime.now():
+    if event["end"] < datetime.datetime.now():  # Modified to access dict
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
             detail="Cannot book an event that has already ended"
         )
     
-    # Check if event is at capacity
-    event_bookings = crud.get_bookings(db, event_id=booking.event_id)
-    if len(event_bookings) >= event.capacity:
+    # Check if event has spaces left
+    if event["spaces_left"] <= 0:  # Using spaces_left instead of counting bookings
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
             detail="Event is at full capacity"

microservice-events/schemas.py

@@ -16,7 +16,7 @@ class EventCreate(EventBase):
 
 class EventResponse(EventBase):
     id: str
-
+    spaces_left: int = 0
     class Config:
         from_attributes = True