85 lines
2.7 KiB
TypeScript
85 lines
2.7 KiB
TypeScript
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/**
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* Japan Post Address Service
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*
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* Address lookup service using Japan Post API.
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* Transforms raw API responses to domain types using domain mappers.
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*/
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import {
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Injectable,
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Inject,
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BadRequestException,
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ServiceUnavailableException,
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} from "@nestjs/common";
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import { Logger } from "nestjs-pino";
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import { extractErrorMessage } from "@bff/core/utils/error.util.js";
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import { JapanPostConnectionService } from "./japanpost-connection.service.js";
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import { JapanPost } from "@customer-portal/domain/address/providers";
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import type { AddressLookupResult } from "@customer-portal/domain/address";
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@Injectable()
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export class JapanPostAddressService {
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constructor(
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private readonly connection: JapanPostConnectionService,
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@Inject(Logger) private readonly logger: Logger
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) {}
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/**
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* Lookup address by ZIP code
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*
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* @param zipCode - ZIP code (with or without hyphen, e.g., "100-0001" or "1000001")
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* @returns Domain AddressLookupResult with Japanese and romanized address data
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* @throws BadRequestException if ZIP code format is invalid
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* @throws ServiceUnavailableException if Japan Post API is unavailable
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*/
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async lookupByZipCode(zipCode: string): Promise<AddressLookupResult> {
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// Normalize ZIP code (remove hyphen)
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const normalizedZip = zipCode.replace(/-/g, "");
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// Validate format
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if (!/^\d{7}$/.test(normalizedZip)) {
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throw new BadRequestException("ZIP code must be 7 digits (e.g., 100-0001)");
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}
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// Check if service is configured
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if (!this.connection.isConfigured()) {
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this.logger.error("Japan Post API not configured");
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throw new ServiceUnavailableException("Address lookup service is not available");
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}
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try {
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const rawResponse = await this.connection.searchByZipCode(normalizedZip);
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// Use domain mapper for transformation (single transformation point)
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const result = JapanPost.transformJapanPostSearchResponse(rawResponse);
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this.logger.log("Japan Post address lookup completed", {
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zipCode: normalizedZip,
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found: result.count > 0,
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count: result.count,
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});
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return result;
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} catch (error) {
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// Re-throw known exceptions
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if (error instanceof BadRequestException || error instanceof ServiceUnavailableException) {
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throw error;
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}
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this.logger.error("Japan Post address lookup failed", {
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zipCode: normalizedZip,
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error: extractErrorMessage(error),
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});
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throw new ServiceUnavailableException("Failed to lookup address. Please try again.");
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}
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}
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/**
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* Check if the Japan Post service is available
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*/
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isAvailable(): boolean {
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return this.connection.isConfigured();
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}
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}
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