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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
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