README

#SaveMyanmar

Enhanced Central Bank of Myanmar Exchange Rates Laravel Package with caching, error handling, and service-based architecture.

Version - 2.0.0

Contact me - heinthuya12@gmail.com

Buy me a coffee - KBZ Pay (Hein Thu Ya) - 09978966317

Features

• ✅ Service-Based Architecture - Clean service class for easy integration
• ✅ Caching Support - Reduces API calls with configurable cache duration
• ✅ Error Handling - Robust error handling and validation
• ✅ Dynamic Currency Support - Automatically supports all CBM currencies
• ✅ Cache Management - Manual cache refresh capability
• ✅ Environment Configuration - Configurable via environment variables
• ✅ Dependency Injection - Proper Laravel service container integration

Requirements

• PHP 7.4 or Higher
• Laravel 8.0 or Higher (supports Laravel 8.x, 9.x, 10.x, 11.x)

Installation

composer require centralbank/exchangerates

Auto-Discovery

Laravel will automatically discover the service provider. No manual registration needed.

Manual Registration (Optional)

If auto-discovery is disabled, add the ServiceProvider in config/app.php:

'providers' => [
    Centralbank\Exchangerates\ExchangeRatesServiceProvider::class
]

Publish Configuration

php artisan vendor:publish --tag=exchangerates-config

This creates config/exchangerates-api.php for customization.

Configuration

The package can be configured via environment variables:

# API URLs (optional - defaults to CBM official endpoints)
CBM_RATES_API=https://forex.cbm.gov.mm/api/latest
CBM_CURRENCIES_API=https://forex.cbm.gov.mm/api/currencies

# Cache settings
CBM_CACHE_DURATION=3600  # Cache duration in seconds (default: 1 hour)
CBM_CACHE_KEY=cbm_exchange_rates  # Cache key prefix

# API timeout
CBM_API_TIMEOUT=30  # Request timeout in seconds

Usage Examples

Using the Service Class

In Controllers

use Centralbank\Exchangerates\Services\ExchangeRateService;

class YourController extends Controller
{
    protected $exchangeRateService;

    public function __construct(ExchangeRateService $exchangeRateService)
    {
        $this->exchangeRateService = $exchangeRateService;
    }

    public function getRates()
    {
        // Get all rates
        $allRates = $this->exchangeRateService->getAllRates();
        
        // Get specific currency
        $usdRate = $this->exchangeRateService->getRate('USD');
        
        // Get multiple currencies
        $rates = $this->exchangeRateService->getRates(['USD', 'EUR', 'GBP']);
        
        // Refresh cache
        $freshRates = $this->exchangeRateService->refreshCache();
        
        return response()->json($allRates);
    }
}

In Artisan Commands

use Centralbank\Exchangerates\Services\ExchangeRateService;

class UpdateExchangeRatesCommand extends Command
{
    protected $signature = 'exchange:update';
    
    public function handle(ExchangeRateService $exchangeRateService)
    {
        $rates = $exchangeRateService->refreshCache();
        
        if ($rates) {
            $this->info('Exchange rates updated successfully!');
        } else {
            $this->error('Failed to update exchange rates.');
        }
    }
}

Using Facades (Optional)

You can create your own facade or use dependency injection as shown above.

Service Methods

getAllRates()

Returns all available exchange rates with caching.

getRate(string $currencyCode)

Returns exchange rate for a specific currency (e.g., 'USD', 'EUR').

getRates(array $currencyCodes)

Returns exchange rates for multiple currencies.

refreshCache()

Clears cache and fetches fresh data from CBM API.

clearCache()

Clears the cached exchange rates.

Response Format

All Rates Response

{
    "info": "...",
    "description": "...",
    "timestamp": "...",
    "rates": [
        {
            "rate": 2100.00,
            "currencies": "US Dollar",
            "symbol": "USD"
        }
    ]
}

Single Currency Response

{
    "rate": 2100.00,
    "currencies": "US Dollar", 
    "symbol": "USD"
}

Changelog

v2.0.0

• Removed all API routes and endpoints
• Implemented comprehensive error handling
• Added support for specific currency queries
• Added multiple currency endpoint
• Added cache refresh functionality
• Dynamic currency support (no hardcoded currencies)
• Environment-based configuration
• Converted to service-only architecture
• Package now provides only the ExchangeRateService class
• Developers must create their own controllers/routes if needed
• Cleaner, more flexible integration approach
• Added proper dependency injection
• Enhanced documentation

v1.0.0

• Initial release with basic functionality