107 lines
3.3 KiB
TypeScript
107 lines
3.3 KiB
TypeScript
/**
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* MSC (Mediterranean Shipping Company) Connector
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*
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* Implements CarrierConnectorPort for MSC API integration
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*/
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import { Injectable, Logger } from '@nestjs/common';
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import { ConfigService } from '@nestjs/config';
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import {
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CarrierConnectorPort,
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CarrierRateSearchInput,
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CarrierAvailabilityInput,
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} from '../../../domain/ports/out/carrier-connector.port';
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import { RateQuote } from '../../../domain/entities/rate-quote.entity';
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import { BaseCarrierConnector, CarrierConfig } from '../base-carrier.connector';
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import { MSCRequestMapper } from './msc.mapper';
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@Injectable()
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export class MSCConnectorAdapter extends BaseCarrierConnector implements CarrierConnectorPort {
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private readonly apiUrl: string;
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private readonly apiKey: string;
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constructor(
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private readonly configService: ConfigService,
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private readonly requestMapper: MSCRequestMapper
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) {
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const config: CarrierConfig = {
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name: 'MSC',
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code: 'MSCU',
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baseUrl: configService.get<string>('MSC_API_URL', 'https://api.msc.com/v1'),
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timeout: 5000,
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maxRetries: 3,
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circuitBreakerThreshold: 50,
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circuitBreakerTimeout: 30000,
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};
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super(config);
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this.apiUrl = config.baseUrl;
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this.apiKey = this.configService.get<string>('MSC_API_KEY', '');
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}
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async searchRates(input: CarrierRateSearchInput): Promise<RateQuote[]> {
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this.logger.log(`Searching MSC rates: ${input.origin} -> ${input.destination}`);
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try {
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// Map internal format to MSC API format
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const mscRequest = this.requestMapper.toMSCRequest(input);
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// Make API call with circuit breaker
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const response = await this.makeRequest({
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url: `${this.apiUrl}/rates/search`,
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method: 'POST',
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data: mscRequest,
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headers: {
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'X-API-Key': this.apiKey,
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'Content-Type': 'application/json',
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},
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});
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// Map MSC response to domain entities
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const rateQuotes = this.requestMapper.fromMSCResponse(response.data, input);
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this.logger.log(`Found ${rateQuotes.length} MSC rates`);
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return rateQuotes;
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} catch (error: any) {
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this.logger.error(`MSC API error: ${error?.message || 'Unknown error'}`);
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// Handle specific MSC error codes
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if (error?.response?.status === 404) {
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this.logger.warn('No MSC rates found for this route');
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return [];
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}
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if (error?.response?.status === 429) {
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this.logger.error('MSC rate limit exceeded');
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throw new Error('MSC_RATE_LIMIT_EXCEEDED');
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}
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// Return empty array on error (fail gracefully)
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return [];
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}
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}
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async checkAvailability(input: CarrierAvailabilityInput): Promise<number> {
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try {
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const response = await this.makeRequest({
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url: `${this.apiUrl}/availability/check`,
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method: 'POST',
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data: {
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origin: input.origin,
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destination: input.destination,
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departure_date: input.departureDate,
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container_type: input.containerType,
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quantity: input.quantity,
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},
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headers: {
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'X-API-Key': this.apiKey,
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},
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});
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return (response.data as any).available_slots || 0;
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} catch (error: any) {
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this.logger.error(`MSC availability check error: ${error?.message || 'Unknown error'}`);
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return 0;
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}
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}
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}
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