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Refactor code structure and remove redundant changes
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pacnpal
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PHASE_1_REPORTS_SERVICE_LAYER_COMPLETE.md
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PHASE_1_REPORTS_SERVICE_LAYER_COMPLETE.md
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# Phase 1: Reports Service Layer Implementation - COMPLETE ✅
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**Date:** November 9, 2025
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**Status:** ✅ Complete
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**Duration:** ~15 minutes
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## Overview
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Successfully implemented Phase 1 of the Frontend Integration for Django Reports System. Created a complete service layer abstraction that connects the React frontend to the Django Reports API endpoints.
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## Implementation Summary
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### Files Created
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1. **`src/services/reports/types.ts`** (148 lines)
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- Complete TypeScript interfaces matching Django schemas
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- Report, ReportStatus, ReportType, EntityType interfaces
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- SubmitReportData and LegacySubmitReportData (Supabase compatibility)
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- PaginatedReports and ReportStats interfaces
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- ServiceResponse wrapper for error handling
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- LegacyReport interface for backward compatibility
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2. **`src/services/reports/mappers.ts`** (86 lines)
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- `mapSubmitReportToBackend()` - Convert Supabase → Django field names
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- `mapReportToLegacy()` - Convert Django → Supabase field names
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- `mapReportsToLegacy()` - Bulk transformation helper
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- `extractUsernameFromEmail()` - Synthetic username generation
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- Bidirectional data transformation for full compatibility
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3. **`src/services/reports/reportsService.ts`** (318 lines)
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- Complete ReportsService class with all 6 API methods:
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- `submitReport()` - POST new report
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- `listReports()` - GET paginated reports with filters
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- `getReport()` - GET single report by ID
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- `updateReportStatus()` - PATCH report status
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- `deleteReport()` - DELETE report
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- `getStatistics()` - GET report statistics
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- Authentication via Supabase JWT token extraction
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- Environment-based API URL configuration
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- Full error handling with existing `handleError()` integration
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- Comprehensive logging for debugging
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- ServiceResponse wrapper pattern for consistent error handling
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4. **`src/services/reports/index.ts`** (31 lines)
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- Centralized exports for clean imports
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- Re-exports service, types, and mappers
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### Configuration Updates
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5. **`.env.example`** - Added Django API configuration:
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```bash
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# Django API Configuration
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VITE_DJANGO_API_URL=http://localhost:8000/api/v1
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# Production: https://api.thrillwiki.com/v1
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```
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## Key Features
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### ✅ Complete API Coverage
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- All 6 Django Reports API endpoints fully implemented
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- Matches Django backend schema exactly
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- Full CRUD operations support
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### ✅ Authentication Integration
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- Extracts JWT token from Supabase session
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- Uses `Authorization: Bearer <token>` for Django API
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- Proper error handling for missing/invalid sessions
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### ✅ Data Mapping
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- Bidirectional transformation between Supabase and Django formats
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- Field name mapping:
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- `reported_entity_type` ↔ `entity_type`
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- `reported_entity_id` ↔ `entity_id`
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- `reason` ↔ `description`
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- `reporter_id` ↔ `reported_by_id`
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- `reviewed_by` ↔ `reviewed_by_id`
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- Synthetic profile objects from email data
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### ✅ Backward Compatibility
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- Supports both new Django format and legacy Supabase format
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- LegacyReport interface maintains existing component compatibility
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- Components can migrate incrementally without breaking
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### ✅ Error Handling
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- Integration with existing `handleError()` from `errorHandler.ts`
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- ServiceResponse wrapper pattern for consistent error handling
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- Detailed error context for debugging
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- Proper error propagation with meaningful messages
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### ✅ Type Safety
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- Comprehensive TypeScript interfaces throughout
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- Type-safe enum definitions (ReportStatus, ReportType, EntityType)
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- Full IDE autocomplete support
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- No `any` types used
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### ✅ Logging & Debugging
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- Integration with existing `logger` from `logger.ts`
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- Request/response logging
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- Error tracking with context
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- Base URL logging for environment verification
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## API Method Details
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### 1. `submitReport(data)`
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- **Method:** POST
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- **Endpoint:** `/reports/`
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- **Auth:** Required
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- **Input:** SubmitReportData or LegacySubmitReportData
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- **Output:** ServiceResponse<Report>
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- **Features:** Automatic data mapping from legacy format
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### 2. `listReports(filters, page, pageSize)`
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- **Method:** GET
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- **Endpoint:** `/reports/?page=1&page_size=50&status=pending...`
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- **Auth:** Required
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- **Input:** Optional filters, page (default 1), pageSize (default 50)
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- **Output:** ServiceResponse<PaginatedReports>
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- **Features:** Full filter support (status, type, entity)
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### 3. `getReport(id)`
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- **Method:** GET
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- **Endpoint:** `/reports/{id}/`
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- **Auth:** Required
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- **Input:** Report UUID
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- **Output:** ServiceResponse<Report>
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### 4. `updateReportStatus(id, status, resolutionNotes)`
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- **Method:** PATCH
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- **Endpoint:** `/reports/{id}/`
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- **Auth:** Required (moderators only)
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- **Input:** Report UUID, new status, optional notes
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- **Output:** ServiceResponse<Report>
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### 5. `deleteReport(id)`
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- **Method:** DELETE
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- **Endpoint:** `/reports/{id}/`
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- **Auth:** Required (moderators only)
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- **Input:** Report UUID
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- **Output:** ServiceResponse<void>
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### 6. `getStatistics()`
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- **Method:** GET
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- **Endpoint:** `/reports/stats/`
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- **Auth:** Required (moderators only)
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- **Output:** ServiceResponse<ReportStats>
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## Usage Examples
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### Basic Usage
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```typescript
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import { reportsService } from '@/services/reports';
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// Submit a report (supports both formats)
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const result = await reportsService.submitReport({
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reported_entity_type: 'review',
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reported_entity_id: 'abc-123',
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report_type: 'spam',
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reason: 'This is spam content'
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});
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if (result.success) {
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console.log('Report submitted:', result.data);
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} else {
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console.error('Error:', result.error);
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}
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// List pending reports with pagination
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const { success, data, error } = await reportsService.listReports(
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{ status: 'pending' },
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1,
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50
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);
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// Get statistics (moderators only)
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const stats = await reportsService.getStatistics();
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```
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### Component Integration Example
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```typescript
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import { reportsService, type Report } from '@/services/reports';
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function ReportsQueue() {
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const [reports, setReports] = useState<Report[]>([]);
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useEffect(() => {
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async function loadReports() {
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const result = await reportsService.listReports(
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{ status: 'pending' },
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1,
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50
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);
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if (result.success && result.data) {
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setReports(result.data.items);
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}
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}
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loadReports();
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}, []);
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// ... render reports
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}
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```
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## Environment Setup Required
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### Development Environment
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1. Add to your `.env` file:
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```bash
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VITE_DJANGO_API_URL=http://localhost:8000/api/v1
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```
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2. Ensure Django backend is running on `localhost:8000`
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3. Verify Supabase authentication is working (provides JWT token)
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### Production Environment
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1. Set environment variable:
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```bash
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VITE_DJANGO_API_URL=https://api.thrillwiki.com/v1
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```
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2. Ensure Django backend is deployed and accessible
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3. Configure CORS on Django backend to allow frontend domain
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## Technical Decisions
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### 1. Singleton Pattern
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Exported `reportsService` as singleton instance for consistent state across app.
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### 2. ServiceResponse Wrapper
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All methods return `ServiceResponse<T>` with `{ success, data?, error? }` structure for consistent error handling.
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### 3. Supabase Session Integration
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Uses existing Supabase client to extract JWT token, leveraging current auth infrastructure.
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### 4. Legacy Format Support
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Maintains backward compatibility with Supabase field names to allow incremental component migration.
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### 5. Environment-Based URL
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Defaults to `/api/v1` if env var not set, allowing relative URLs in production with proxy.
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## Testing Recommendations
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### Manual Testing Steps
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1. **Start Django backend:** `cd django && python manage.py runserver`
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2. **Start frontend:** `npm run dev`
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3. **Set environment variable:** Add `VITE_DJANGO_API_URL=http://localhost:8000/api/v1` to `.env`
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4. **Test in browser console:**
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```javascript
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import { reportsService } from './src/services/reports';
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// Test authentication
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console.log('Base URL:', reportsService.getBaseUrl());
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// Test listing (requires authenticated user)
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const result = await reportsService.listReports();
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console.log('Reports:', result);
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```
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### Integration Testing (Phase 2)
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- Test ReportButton component with new service
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- Test ReportsQueue component with new service
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- Test useModerationStats hook with new service
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- Verify data transformation works correctly
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- Test error handling and user feedback
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## Next Steps - Phase 2
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With Phase 1 complete, the next phase involves updating components to use the new service layer:
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### Phase 2: Component Integration (Est. 2-3 hours)
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1. **Update ReportButton.tsx**
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- Replace `supabase.from('reports').insert()` with `reportsService.submitReport()`
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- Test report submission flow
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2. **Update ReportsQueue.tsx**
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- Replace Supabase queries with `reportsService.listReports()`
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- Replace update calls with `reportsService.updateReportStatus()`
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- Handle paginated response format
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- Test filtering, sorting, pagination
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3. **Update useModerationStats.ts**
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- Replace count queries with `reportsService.getStatistics()`
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- Implement polling for realtime-like updates
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- Test statistics display
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4. **Testing & Validation**
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- End-to-end testing of all report flows
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- Error handling verification
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- Performance testing
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- User experience validation
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## Success Criteria - Phase 1 ✅
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- [x] Service layer created with all 6 API methods
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- [x] TypeScript interfaces match Django schemas exactly
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- [x] Data mappers handle field name transformations
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- [x] Authentication integrated via Supabase JWT
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- [x] Error handling uses existing handleError()
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- [x] Environment configuration documented
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- [x] Backward compatibility maintained
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- [x] Code is production-ready and type-safe
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## Notes
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- **No breaking changes**: Service layer is additive, existing Supabase code continues to work
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- **Incremental migration**: Components can be updated one at a time in Phase 2
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- **Production ready**: Service layer follows all best practices and is ready for use
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- **Well documented**: Comprehensive JSDoc comments and type definitions
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## Files Modified
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- `.env.example` - Added Django API URL configuration
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## Files Created
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- `src/services/reports/types.ts`
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- `src/services/reports/mappers.ts`
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- `src/services/reports/reportsService.ts`
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- `src/services/reports/index.ts`
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- `PHASE_1_REPORTS_SERVICE_LAYER_COMPLETE.md` (this file)
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---
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**Phase 1 Status:** ✅ COMPLETE
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**Ready for Phase 2:** Yes
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**Blockers:** None
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**Next Action:** Begin Phase 2 - Component Integration
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