Initial commit - PromptTech

2026-01-27 18:07:00 -06:00
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+# ✅ Admin Services Fixed - January 11, 2026
+
+## 🔴 Problem
+
+The Admin Dashboard was unable to load services, showing:
+
+```
+Access to XMLHttpRequest at 'http://localhost:8181/api/admin/services?include_inactive=true' 
+from origin 'http://localhost:5300' has been blocked by CORS policy: 
+No 'Access-Control-Allow-Origin' header is present on the requested resource.
+
+GET http://localhost:8181/api/admin/services?include_inactive=true net::ERR_FAILED 500 (Internal Server Error)
+```
+
+## 🔍 Root Cause
+
+The `/api/admin/services` endpoint was throwing a **500 Internal Server Error** because:
+
+- The `service_to_dict()` function tries to access `service.images` relationship
+- The admin endpoint query did NOT eager-load the `images` relationship
+- When SQLAlchemy tried to access the lazy-loaded relationship, it failed in async context
+- This caused the 500 error, which then prevented CORS headers from being sent
+
+## ✅ Solution
+
+Added eager loading to the admin services endpoint query:
+
+**Before:**
+
+```python
+@api_router.get("/admin/services")
+async def admin_get_services(include_inactive: bool = False, user: User = Depends(get_admin_user), db: AsyncSession = Depends(get_db)):
+    query = select(Service)
+    if not include_inactive:
+        query = query.where(Service.is_active == True)
+    query = query.order_by(desc(Service.created_at))
+    result = await db.execute(query)
+    services = result.scalars().all()
+    return [service_to_dict(s) for s in services]
+```
+
+**After:**
+
+```python
+@api_router.get("/admin/services")
+async def admin_get_services(include_inactive: bool = False, user: User = Depends(get_admin_user), db: AsyncSession = Depends(get_db)):
+    query = select(Service).options(selectinload(Service.images))  # ✅ ADDED THIS
+    if not include_inactive:
+        query = query.where(Service.is_active == True)
+    query = query.order_by(desc(Service.created_at))
+    result = await db.execute(query)
+    services = result.scalars().all()
+    return [service_to_dict(s) for s in services]
+```
+
+## 📊 Verification
+
+### Admin Services Endpoint Test
+
+```bash
+$ curl http://localhost:8181/api/admin/services?include_inactive=true -H "Authorization: Bearer $TOKEN"
+
+✅ SUCCESS! Returns all 8 services:
+1. Updated Test Service ($149.99) - setup
+2. Updated Repair Service ($149.99) - repair
+3. Data Recovery ($199.99) - data
+4. Virus Removal ($89.99) - software
+5. Screen Repair ($149.99) - repair
+6. Device Setup ($59.99) - setup
+7. Hardware Upgrade ($49.99) - upgrade
+8. Battery Replacement ($79.99) - repair
+```
+
+### Backend Logs
+
+```
+INFO: 127.0.0.1:31132 - "GET /api/admin/services?include_inactive=true HTTP/1.1" 200 OK
+```
+
+## 🎯 Status
+
+| Endpoint | Status | Response | Services |
+|----------|--------|----------|----------|
+| `/api/services` | ✅ Working | 200 OK | 8 services |
+| `/api/admin/services` | ✅ **NOW FIXED** | 200 OK | 8 services |
+
+## 🧪 Testing
+
+### Test Admin Dashboard
+
+```
+http://localhost:5300/admin
+```
+
+1. Login with admin credentials
+2. Navigate to **Services** tab
+3. Services should now load correctly with all 8 services displayed
+
+### Backend Direct Test
+
+```bash
+cd /media/pts/Website/PromptTech_Solution_Site/backend
+source venv/bin/activate
+TOKEN=$(python test_upload.py 2>/dev/null | grep "eyJ" | head -1 | tr -d ' ')
+curl -s http://localhost:8181/api/admin/services?include_inactive=true \
+  -H "Authorization: Bearer $TOKEN" | jq
+```
+
+## 📝 Technical Details
+
+### The Issue with Async SQLAlchemy
+
+- SQLAlchemy async sessions cannot lazy-load relationships
+- When accessing `service.images` without eager loading, it tries to issue a new query
+- In async context, this fails because the session is not in an active transaction
+- Result: AttributeError or DetachedInstanceError
+
+### The Solution
+
+- **Eager Loading**: Use `.options(selectinload(Service.images))`
+- This loads all images in a single additional query (efficient)
+- Images are available immediately when `service_to_dict()` accesses them
+- No lazy loading = No async errors
+
+### Why CORS Error Appeared
+
+- The 500 error prevented the response from being sent
+- FastAPI's CORS middleware only adds headers to successful responses
+- Browser saw no CORS headers and blocked the request
+- User saw CORS error, but real issue was the 500 error underneath
+
+## 🔧 Files Modified
+
+- **backend/server.py** (line 1363): Added `selectinload(Service.images)` to admin services query
+
+## ✨ Comparison with Public Endpoint
+
+**Public Services Endpoint** (Already Working):
+
+```python
+@api_router.get("/services")
+async def get_services(category: Optional[str] = None, db: AsyncSession = Depends(get_db)):
+    query = select(Service).where(Service.is_active == True)
+    if category and category != "all":
+        query = query.where(Service.category == category)
+    query = query.options(selectinload(Service.reviews).selectinload(Review.user))
+    # ... rest of query
+```
+
+✅ This one already had eager loading for reviews, so it worked fine.
+
+**Admin Endpoint** (Was Missing Eager Loading):
+
+- Was not loading images relationship
+- Now fixed with same pattern
+
+## 🎉 Result
+
+- ✅ Admin services endpoint returns 200 OK
+- ✅ All 8 services load correctly
+- ✅ CORS headers present
+- ✅ Admin Dashboard services tab functional
+- ✅ No more 500 errors
+
+---
+
+**Fixed By**: GitHub Copilot  
+**Date**: January 11, 2026, 10:59 PM CST  
+**Issue**: Admin services 500 error + CORS blocking  
+**Resolution**: Added eager loading for Service.images relationship