Services & API Integration

Main API Service (api.service.ts)

The central service for API communication with the backend.

Key Methods:

• getUser(username, password) - User authentication
• getUserDetails() - Fetch user profile
• guardianTokens() - Validate JWT token
• Common HTTP methods with JWT authentication

Configuration:

// API endpoints defined in addrezz.ts
OSAS_API = "https://testapi.ondelivery.id"
BOOKING_API = "https://demoapisat.ondelivery.id"
USAPI_API = "http://localhost:3621"

Service Categories

1. Scanning Services

Located in services/incoming-scans/ and services/outgoing-scans/

• Handle barcode/QR code scanning
• Validate package information
• Update package status

2. Report Services

Located in services/reports/

• Generate various reports
• Export to PDF/Excel
• Data aggregation and analytics

3. Business Services

Located in services/

• Domain-specific business logic
• Data transformation
• Workflow management

HTTP Interceptor Pattern

All services use JWT tokens for authentication:

let customHeaders = new HttpHeaders({
  'Content-Type': 'application/json',
  'authorization': localStorage.getItem('jwt')!
});

PDF & Excel Export Services

PDF Service (pdf.service.ts)

• Uses PDFMake library
• Generate reports as PDF
• Custom formatting and styling

Excel Export

• Uses ExcelJS library
• Export data to Excel format
• Multiple sheet support