books/reports/BankReconciliation/BankReconciliation.js

import frappe from 'frappe';

class BankReconciliation {
  async run(params) {
    if (!Object.keys(params).length) return [];

    const filters = {};
    if (params.paymentAccount) filters.paymentAccount = params.paymentAccount;
    if (params.party) filters.party = params.party;
    if (params.toDate || params.fromDate) {
      filters.date = [];
      if (params.toDate) filters.date.push('<=', params.toDate);
      if (params.fromDate) filters.date.push('>=', params.fromDate);
    }

    filters.paymentMethod = ['in', ['Cheque', 'Transfer']];

    let data = await frappe.db.getAll({
      doctype: 'Payment',
      fields: [
        'date',
        'account',
        'paymentAccount',
        'party',
        'name',
        'referenceDate',
        'referenceId',
        'clearanceDate',
      ],
      filters: filters,
    });

    for (var i = 0; i < data.length; i++) {
      let ledger = await frappe.db.getAll({
        doctype: 'AccountingLedgerEntry',
        fields: ['date', 'referenceType', 'referenceName', 'debit', 'credit'],
        filters: {
          referenceType: 'Payment',
          account: data[i].paymentAccount,
          referenceName: data[i].name,
        },
      });
      data[i].credit = ledger[0].credit;
      data[i].debit = ledger[0].debit;
      data[i].debit = ledger[0].debit;
      data[i].referenceName = ledger[0].referenceName;
      data[i].referenceType = ledger[0].referenceType;
    }

    return data;
  }
}

export default BankReconciliation;