books/reports/index.js

const frappe = require('frappejs');
const GeneralLedger = require('./GeneralLedger/GeneralLedger');
const ProfitAndLoss = require('./ProfitAndLoss/ProfitAndLoss');
const BalanceSheet = require('./BalanceSheet/BalanceSheet');
const TrialBalance = require('./TrialBalance/TrialBalance');
const SalesRegister = require('./SalesRegister/SalesRegister');
const PurchaseRegister = require('./PurchaseRegister/PurchaseRegister');
const BankReconciliation = require('./BankReconciliation/BankReconciliation');
const GSTR1 = require('./GoodsAndServiceTax/GSTR1');
const GSTR2 = require('./GoodsAndServiceTax/GSTR2');
const AccountsReceivablePayable = require('./AccountsReceivablePayable/AccountsReceivablePayable');

// called on server side
function registerReportMethods() {
  const reports = [
    {
      method: 'general-ledger',
      class: GeneralLedger
    },
    {
      method: 'profit-and-loss',
      class: ProfitAndLoss
    },
    {
      method: 'balance-sheet',
      class: BalanceSheet
    },
    {
      method: 'trial-balance',
      class: TrialBalance
    },
    {
      method: 'sales-register',
      class: SalesRegister
    },
    {
      method: 'purchase-register',
      class: PurchaseRegister
    },
    {
      method: 'bank-reconciliation',
      class: BankReconciliation
    },
    {
      method: 'gstr-1',
      class: GSTR1
    },
    {
      method: 'gstr-2',
      class: GSTR2
    }
  ];

  reports.forEach(report => {
    frappe.registerMethod({
      method: report.method,
      handler: getReportData(report.class)
    });
  });

  frappe.registerMethod({
    method: 'accounts-receivable',
    handler: args => new AccountsReceivablePayable().run('Receivable', args)
  });

  frappe.registerMethod({
    method: 'accounts-payable',
    handler: args => new AccountsReceivablePayable().run('Payable', args)
  });
}

function getReportData(ReportClass) {
  return args => new ReportClass().run(args);
}

module.exports = registerReportMethods;