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396 lines
8.9 KiB
TypeScript
396 lines
8.9 KiB
TypeScript
import { Action } from 'fyo/model/types';
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import { Verb } from 'fyo/telemetry/types';
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import { DateTime } from 'luxon';
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import { ModelNameEnum } from 'models/types';
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import { codeStateMap } from 'regional/in';
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import { ExportExtention } from 'reports/types';
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import { getSavePath } from 'src/utils/ipcCalls';
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import { showMessageDialog } from 'src/utils/ui';
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import { invertMap } from 'utils';
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import { getCsvData, saveExportData } from '../commonExporter';
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import { BaseGSTR } from './BaseGSTR';
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import { TransferTypeEnum } from './types';
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const GST = {
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'GST-0': 0,
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'GST-0.25': 0.25,
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'GST-3': 3,
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'GST-5': 5,
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'GST-6': 6,
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'GST-12': 12,
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'GST-18': 18,
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'GST-28': 28,
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'IGST-0': 0,
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'IGST-0.25': 0.25,
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'IGST-3': 3,
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'IGST-5': 5,
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'IGST-6': 6,
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'IGST-12': 12,
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'IGST-18': 18,
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'IGST-28': 28,
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} as Record<string, number>;
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const CSGST = {
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'GST-0': 0,
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'GST-0.25': 0.125,
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'GST-3': 1.5,
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'GST-5': 2.5,
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'GST-6': 3,
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'GST-12': 6,
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'GST-18': 9,
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'GST-28': 14,
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} as Record<string, number>;
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const IGST = {
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'IGST-0.25': 0.25,
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'IGST-3': 3,
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'IGST-5': 5,
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'IGST-6': 6,
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'IGST-12': 12,
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'IGST-18': 18,
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'IGST-28': 28,
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} as Record<string, number>;
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interface GSTData {
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version: string;
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hash: string;
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gstin: string;
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fp: string;
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b2b?: B2BCustomer[];
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b2cl?: B2CLStateInvoiceRecord[];
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b2cs?: B2CSInvRecord[];
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}
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interface B2BCustomer {
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ctin: string;
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inv: B2BInvRecord[];
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}
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interface B2BInvRecord {
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inum: string;
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idt: string;
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val: number;
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pos: string;
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rchrg: 'Y' | 'N';
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inv_typ: string;
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itms: B2BItmRecord[];
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}
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interface B2BItmRecord {
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num: number;
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itm_det: {
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txval: number;
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rt: number;
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csamt: number;
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camt: number;
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samt: number;
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iamt: number;
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};
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}
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interface B2CLInvRecord {
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inum: string;
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idt: string;
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val: number;
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itms: B2CLItmRecord[];
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}
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interface B2CLItmRecord {
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num: number;
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itm_det: {
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txval: number;
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rt: number;
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csamt: 0;
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iamt: number;
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};
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}
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interface B2CLStateInvoiceRecord {
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pos: string;
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inv: B2CLInvRecord[];
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}
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interface B2CSInvRecord {
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sply_ty: 'INTRA' | 'INTER';
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pos: string;
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typ: 'OE'; // "OE" - Errors and omissions excepted.
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txval: number;
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rt: number;
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iamt: number;
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camt: number;
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samt: number;
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csamt: number;
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}
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export default function getGSTRExportActions(report: BaseGSTR): Action[] {
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const exportExtention = ['csv', 'json'] as ExportExtention[];
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return exportExtention.map((ext) => ({
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group: `Export`,
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label: ext.toUpperCase(),
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type: 'primary',
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action: async () => {
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await exportReport(ext, report);
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},
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}));
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}
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async function exportReport(extention: ExportExtention, report: BaseGSTR) {
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const canExport = await getCanExport(report);
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if (!canExport) {
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return;
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}
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const { filePath, canceled } = await getSavePath(
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report.reportName,
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extention
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);
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if (canceled || !filePath) {
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return;
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}
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let data = '';
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if (extention === 'csv') {
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data = getCsvData(report);
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} else if (extention === 'json') {
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data = await getGstrJsonData(report);
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}
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if (!data.length) {
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return;
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}
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await saveExportData(data, filePath, report.fyo);
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report.fyo.telemetry.log(Verb.Exported, report.reportName, { extention });
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}
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async function getCanExport(report: BaseGSTR) {
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const gstin = await report.fyo.getValue(
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ModelNameEnum.AccountingSettings,
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'gstin'
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);
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if (gstin) {
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return true;
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}
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showMessageDialog({
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message: 'Cannot Export',
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detail: 'Please set GSTIN in General Settings.',
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});
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return false;
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}
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export async function getGstrJsonData(report: BaseGSTR): Promise<string> {
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const toDate = report.toDate!;
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const transferType = report.transferType!;
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const gstin = await report.fyo.getValue(
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ModelNameEnum.AccountingSettings,
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'gstin'
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);
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const gstData: GSTData = {
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version: 'GST3.0.4',
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hash: 'hash',
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gstin: gstin as string,
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fp: DateTime.fromISO(toDate).toFormat('MMyyyy'),
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};
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if (transferType === TransferTypeEnum.B2B) {
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gstData.b2b = await generateB2bData(report);
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} else if (transferType === TransferTypeEnum.B2CL) {
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gstData.b2cl = await generateB2clData(report);
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} else if (transferType === TransferTypeEnum.B2CS) {
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gstData.b2cs = await generateB2csData(report);
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}
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return JSON.stringify(gstData);
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}
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async function generateB2bData(report: BaseGSTR): Promise<B2BCustomer[]> {
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const fyo = report.fyo;
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const b2b: B2BCustomer[] = [];
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const schemaName =
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report.gstrType === 'GSTR-1'
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? ModelNameEnum.SalesInvoiceItem
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: ModelNameEnum.PurchaseInvoiceItem;
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const parentSchemaName =
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report.gstrType === 'GSTR-1'
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? ModelNameEnum.SalesInvoice
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: ModelNameEnum.PurchaseInvoice;
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for (const row of report.gstrRows ?? []) {
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const invRecord: B2BInvRecord = {
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inum: row.invNo,
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idt: DateTime.fromJSDate(row.invDate).toFormat('dd-MM-yyyy'),
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val: row.invAmt,
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pos: row.gstin && row.gstin.substring(0, 2),
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rchrg: row.reverseCharge,
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inv_typ: 'R',
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itms: [],
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};
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const exchangeRate = (
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await fyo.db.getAllRaw(parentSchemaName, {
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fields: ['exchangeRate'],
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filters: { name: invRecord.inum },
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})
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)[0].exchangeRate as number;
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const items = await fyo.db.getAllRaw(schemaName, {
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fields: ['amount', 'tax', 'hsnCode'],
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filters: { parent: invRecord.inum },
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});
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items.forEach((item) => {
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const hsnCode = item.hsnCode as number;
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const tax = item.tax as string;
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const baseAmount = fyo
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.pesa((item.amount as string) ?? 0)
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.mul(exchangeRate);
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const itemRecord: B2BItmRecord = {
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num: hsnCode,
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itm_det: {
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txval: baseAmount.float,
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rt: GST[tax],
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csamt: 0,
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camt: fyo
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.pesa(CSGST[tax] ?? 0)
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.mul(baseAmount)
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.div(100).float,
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samt: fyo
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.pesa(CSGST[tax] ?? 0)
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.mul(baseAmount)
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.div(100).float,
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iamt: fyo
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.pesa(IGST[tax] ?? 0)
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.mul(baseAmount)
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.div(100).float,
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},
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};
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invRecord.itms.push(itemRecord);
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});
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const customerRecord = b2b.find((b) => b.ctin === row.gstin);
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const customer = {
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ctin: row.gstin,
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inv: [],
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} as B2BCustomer;
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if (customerRecord) {
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customerRecord.inv.push(invRecord);
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} else {
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customer.inv.push(invRecord);
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b2b.push(customer);
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}
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}
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return b2b;
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}
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async function generateB2clData(
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report: BaseGSTR
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): Promise<B2CLStateInvoiceRecord[]> {
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const fyo = report.fyo;
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const b2cl: B2CLStateInvoiceRecord[] = [];
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const stateCodeMap = invertMap(codeStateMap);
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const schemaName =
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report.gstrType === 'GSTR-1'
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? ModelNameEnum.SalesInvoiceItem
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: ModelNameEnum.PurchaseInvoiceItem;
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const parentSchemaName =
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report.gstrType === 'GSTR-1'
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? ModelNameEnum.SalesInvoice
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: ModelNameEnum.PurchaseInvoice;
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for (const row of report.gstrRows ?? []) {
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const invRecord: B2CLInvRecord = {
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inum: row.invNo,
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idt: DateTime.fromJSDate(row.invDate).toFormat('dd-MM-yyyy'),
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val: row.invAmt,
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itms: [],
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};
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const exchangeRate = (
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await fyo.db.getAllRaw(parentSchemaName, {
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fields: ['exchangeRate'],
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filters: { name: invRecord.inum },
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})
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)[0].exchangeRate as number;
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const items = await fyo.db.getAllRaw(schemaName, {
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fields: ['amount', 'tax', 'hsnCode'],
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filters: { parent: invRecord.inum },
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});
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items.forEach((item) => {
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const hsnCode = item.hsnCode as number;
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const tax = item.tax as string;
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const baseAmount = fyo
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.pesa((item.amount as string) ?? 0)
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.mul(exchangeRate);
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const itemRecord: B2CLItmRecord = {
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num: hsnCode,
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itm_det: {
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txval: baseAmount.float,
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rt: GST[tax] ?? 0,
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csamt: 0,
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iamt: fyo
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.pesa(row.rate ?? 0)
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.mul(baseAmount)
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.div(100).float,
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},
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};
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invRecord.itms.push(itemRecord);
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});
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const stateRecord = b2cl.find((b) => b.pos === stateCodeMap[row.place]);
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const stateInvoiceRecord: B2CLStateInvoiceRecord = {
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pos: stateCodeMap[row.place],
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inv: [],
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};
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if (stateRecord) {
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stateRecord.inv.push(invRecord);
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} else {
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stateInvoiceRecord.inv.push(invRecord);
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b2cl.push(stateInvoiceRecord);
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}
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}
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return b2cl;
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}
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function generateB2csData(report: BaseGSTR): B2CSInvRecord[] {
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const stateCodeMap = invertMap(codeStateMap);
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const b2cs: B2CSInvRecord[] = [];
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for (const row of report.gstrRows ?? []) {
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const invRecord: B2CSInvRecord = {
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sply_ty: row.inState ? 'INTRA' : 'INTER',
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pos: stateCodeMap[row.place],
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typ: 'OE',
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txval: row.taxVal,
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rt: row.rate,
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iamt: !row.inState ? (row.taxVal * row.rate) / 100 : 0,
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camt: row.inState ? row.cgstAmt ?? 0 : 0,
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samt: row.inState ? row.sgstAmt ?? 0 : 0,
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csamt: 0,
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};
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b2cs.push(invRecord);
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}
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return b2cs;
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}
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