314 lines
10 KiB
TypeScript
314 lines
10 KiB
TypeScript
import logger from '../utils/logger';
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/**
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* DMS (Document Management System) Integration Service
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* Handles integration with DMS for e-invoice and credit note generation
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*
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* NOTE: This is a placeholder/stub implementation.
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* Replace with actual DMS API integration based on your DMS system.
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*/
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export class DMSIntegrationService {
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private dmsBaseUrl: string;
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private dmsApiKey?: string;
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private dmsUsername?: string;
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private dmsPassword?: string;
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constructor() {
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this.dmsBaseUrl = process.env.DMS_BASE_URL || '';
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this.dmsApiKey = process.env.DMS_API_KEY;
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this.dmsUsername = process.env.DMS_USERNAME;
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this.dmsPassword = process.env.DMS_PASSWORD;
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}
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/**
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* Check if DMS integration is configured
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*/
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private isConfigured(): boolean {
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return !!this.dmsBaseUrl && (!!this.dmsApiKey || (!!this.dmsUsername && !!this.dmsPassword));
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}
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/**
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* Generate e-invoice in DMS
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* @param invoiceData - Invoice data
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* @returns E-invoice details including invoice number, DMS number, etc.
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*/
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async generateEInvoice(invoiceData: {
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requestNumber: string;
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dealerCode: string;
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dealerName: string;
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amount: number;
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description: string;
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ioNumber?: string;
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taxDetails?: any;
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}): Promise<{
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success: boolean;
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eInvoiceNumber?: string;
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dmsNumber?: string;
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invoiceDate?: Date;
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invoiceUrl?: string;
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error?: string;
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}> {
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try {
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if (!this.isConfigured()) {
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logger.warn('[DMS] DMS integration not configured, generating mock e-invoice');
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// Return mock data for development/testing
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const mockInvoiceNumber = `EINV-${Date.now()}`;
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const mockDmsNumber = `DMS-${Date.now()}`;
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return {
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success: true,
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eInvoiceNumber: mockInvoiceNumber,
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dmsNumber: mockDmsNumber,
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invoiceDate: new Date(),
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invoiceUrl: `https://dms.example.com/invoices/${mockInvoiceNumber}`,
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error: 'DMS not configured - e-invoice generation simulated'
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};
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}
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// TODO: Implement actual DMS API call
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// Example:
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// const response = await axios.post(`${this.dmsBaseUrl}/api/invoices/generate`, {
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// request_number: invoiceData.requestNumber,
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// dealer_code: invoiceData.dealerCode,
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// dealer_name: invoiceData.dealerName,
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// amount: invoiceData.amount,
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// description: invoiceData.description,
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// io_number: invoiceData.ioNumber,
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// tax_details: invoiceData.taxDetails
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// }, {
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// headers: {
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// 'Authorization': `Bearer ${this.dmsApiKey}`,
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// 'Content-Type': 'application/json'
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// }
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// });
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//
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// return {
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// success: response.data.success,
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// eInvoiceNumber: response.data.e_invoice_number,
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// dmsNumber: response.data.dms_number,
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// invoiceDate: new Date(response.data.invoice_date),
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// invoiceUrl: response.data.invoice_url
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// };
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logger.warn('[DMS] DMS e-invoice generation not implemented, generating mock invoice');
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const mockInvoiceNumber = `EINV-${Date.now()}`;
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const mockDmsNumber = `DMS-${Date.now()}`;
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return {
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success: true,
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eInvoiceNumber: mockInvoiceNumber,
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dmsNumber: mockDmsNumber,
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invoiceDate: new Date(),
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invoiceUrl: `https://dms.example.com/invoices/${mockInvoiceNumber}`,
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error: 'DMS API not implemented - e-invoice generation simulated'
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};
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} catch (error) {
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logger.error('[DMS] Error generating e-invoice:', error);
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return {
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success: false,
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error: error instanceof Error ? error.message : 'Unknown error'
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};
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}
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}
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/**
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* Generate credit note in DMS
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* @param creditNoteData - Credit note data
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* @returns Credit note details including credit note number, amount, etc.
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*/
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async generateCreditNote(creditNoteData: {
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requestNumber: string;
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eInvoiceNumber: string;
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dealerCode: string;
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dealerName: string;
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amount: number;
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reason: string;
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description?: string;
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}): Promise<{
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success: boolean;
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creditNoteNumber?: string;
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creditNoteDate?: Date;
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creditNoteAmount?: number;
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creditNoteUrl?: string;
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error?: string;
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}> {
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try {
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if (!this.isConfigured()) {
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logger.warn('[DMS] DMS integration not configured, generating mock credit note');
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// Return mock data for development/testing
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const mockCreditNoteNumber = `CN-${Date.now()}`;
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return {
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success: true,
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creditNoteNumber: mockCreditNoteNumber,
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creditNoteDate: new Date(),
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creditNoteAmount: creditNoteData.amount,
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creditNoteUrl: `https://dms.example.com/credit-notes/${mockCreditNoteNumber}`,
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error: 'DMS not configured - credit note generation simulated'
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};
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}
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// TODO: Implement actual DMS API call
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// Example:
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// const response = await axios.post(`${this.dmsBaseUrl}/api/credit-notes/generate`, {
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// request_number: creditNoteData.requestNumber,
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// e_invoice_number: creditNoteData.eInvoiceNumber,
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// dealer_code: creditNoteData.dealerCode,
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// dealer_name: creditNoteData.dealerName,
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// amount: creditNoteData.amount,
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// reason: creditNoteData.reason,
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// description: creditNoteData.description
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// }, {
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// headers: {
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// 'Authorization': `Bearer ${this.dmsApiKey}`,
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// 'Content-Type': 'application/json'
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// }
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// });
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//
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// return {
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// success: response.data.success,
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// creditNoteNumber: response.data.credit_note_number,
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// creditNoteDate: new Date(response.data.credit_note_date),
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// creditNoteAmount: response.data.credit_note_amount,
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// creditNoteUrl: response.data.credit_note_url
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// };
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logger.warn('[DMS] DMS credit note generation not implemented, generating mock credit note');
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const mockCreditNoteNumber = `CN-${Date.now()}`;
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return {
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success: true,
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creditNoteNumber: mockCreditNoteNumber,
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creditNoteDate: new Date(),
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creditNoteAmount: creditNoteData.amount,
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creditNoteUrl: `https://dms.example.com/credit-notes/${mockCreditNoteNumber}`,
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error: 'DMS API not implemented - credit note generation simulated'
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};
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} catch (error) {
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logger.error('[DMS] Error generating credit note:', error);
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return {
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success: false,
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error: error instanceof Error ? error.message : 'Unknown error'
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};
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}
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}
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/**
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* Get invoice status from DMS
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* @param eInvoiceNumber - E-invoice number
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* @returns Invoice status and details
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*/
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async getInvoiceStatus(eInvoiceNumber: string): Promise<{
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success: boolean;
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status?: string;
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invoiceNumber?: string;
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dmsNumber?: string;
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invoiceDate?: Date;
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amount?: number;
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error?: string;
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}> {
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try {
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if (!this.isConfigured()) {
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logger.warn('[DMS] DMS integration not configured, returning mock invoice status');
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return {
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success: true,
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status: 'GENERATED',
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invoiceNumber: eInvoiceNumber,
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dmsNumber: `DMS-${Date.now()}`,
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invoiceDate: new Date(),
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amount: 0,
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error: 'DMS not configured - invoice status simulated'
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};
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}
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// TODO: Implement actual DMS API call
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// Example:
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// const response = await axios.get(`${this.dmsBaseUrl}/api/invoices/${eInvoiceNumber}/status`, {
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// headers: {
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// 'Authorization': `Bearer ${this.dmsApiKey}`,
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// 'Content-Type': 'application/json'
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// }
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// });
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//
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// return {
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// success: true,
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// status: response.data.status,
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// invoiceNumber: response.data.invoice_number,
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// dmsNumber: response.data.dms_number,
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// invoiceDate: new Date(response.data.invoice_date),
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// amount: response.data.amount
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// };
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logger.warn('[DMS] DMS invoice status check not implemented, returning mock status');
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return {
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success: true,
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status: 'GENERATED',
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invoiceNumber: eInvoiceNumber,
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dmsNumber: `DMS-${Date.now()}`,
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invoiceDate: new Date(),
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amount: 0,
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error: 'DMS API not implemented - invoice status simulated'
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};
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} catch (error) {
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logger.error('[DMS] Error getting invoice status:', error);
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return {
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success: false,
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error: error instanceof Error ? error.message : 'Unknown error'
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};
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}
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}
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/**
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* Download invoice document from DMS
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* @param eInvoiceNumber - E-invoice number
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* @returns Invoice document URL or file buffer
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*/
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async downloadInvoice(eInvoiceNumber: string): Promise<{
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success: boolean;
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documentUrl?: string;
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documentBuffer?: Buffer;
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mimeType?: string;
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error?: string;
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}> {
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try {
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if (!this.isConfigured()) {
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logger.warn('[DMS] DMS integration not configured, returning mock download URL');
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return {
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success: true,
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documentUrl: `https://dms.example.com/invoices/${eInvoiceNumber}/download`,
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mimeType: 'application/pdf',
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error: 'DMS not configured - download URL simulated'
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};
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}
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// TODO: Implement actual DMS API call
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// Example:
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// const response = await axios.get(`${this.dmsBaseUrl}/api/invoices/${eInvoiceNumber}/download`, {
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// headers: {
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// 'Authorization': `Bearer ${this.dmsApiKey}`
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// },
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// responseType: 'arraybuffer'
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// });
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//
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// return {
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// success: true,
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// documentBuffer: Buffer.from(response.data),
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// mimeType: response.headers['content-type'] || 'application/pdf'
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// };
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logger.warn('[DMS] DMS invoice download not implemented, returning mock URL');
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return {
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success: true,
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documentUrl: `https://dms.example.com/invoices/${eInvoiceNumber}/download`,
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mimeType: 'application/pdf',
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error: 'DMS API not implemented - download URL simulated'
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};
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} catch (error) {
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logger.error('[DMS] Error downloading invoice:', error);
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return {
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success: false,
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error: error instanceof Error ? error.message : 'Unknown error'
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};
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}
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}
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}
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export const dmsIntegrationService = new DMSIntegrationService();
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