Merge pull request #37 from netchampfaris/trial-balance

Add Trial Balance Report

client/index.js

@@ -26,6 +26,7 @@ module.exports = {
         frappe.desk.menu.addItem('General Ledger', '#report/general-ledger');
         frappe.desk.menu.addItem('Profit And Loss', '#report/profit-and-loss');
         frappe.desk.menu.addItem('Balance Sheet', '#report/balance-sheet');
+        frappe.desk.menu.addItem('Trial Balance', '#report/trial-balance');
         frappe.desk.menu.addItem('Sales Register', '#report/sales-register');
         frappe.desk.menu.addItem('Purchase Register', '#report/purchase-register');
 

reports/FinancialStatements/FinancialStatements.js

@@ -3,13 +3,13 @@ const { DateTime } = require('luxon');
 const { unique } = require('frappejs/utils');
 
 async function getData({
-        rootType,
-        balanceMustBe = 'Debit',
-        fromDate,
-        toDate,
-        periodicity = 'Monthly',
-        accumulateValues = false
-    }) {
+    rootType,
+    balanceMustBe = 'Debit',
+    fromDate,
+    toDate,
+    periodicity = 'Monthly',
+    accumulateValues = false
+}) {
 
     let accounts = await getAccounts(rootType);
     let fiscalYear = await getFiscalYear();
@@ -64,6 +64,42 @@ async function getData({
     return { accounts, totalRow, periodList };
 }
 
+async function getTrialBalance({ rootType, fromDate, toDate }) {
+    let accounts = await getAccounts(rootType);
+    let ledgerEntries = await getLedgerEntries(null, toDate, accounts);
+
+    for (let account of accounts) {
+        const accountEntries = ledgerEntries.filter(entry => entry.account === account.name);
+        // opening
+        const beforePeriodEntries = accountEntries.filter(entry => entry.date < fromDate);
+        account.opening = beforePeriodEntries.reduce((acc, entry) => {
+            return acc + (entry.debit - entry.credit);
+        }, 0);
+
+        if (account.opening >= 0) {
+            account.openingDebit = account.opening;
+        } else {
+            account.openingCredit = -account.opening;
+        }
+
+        // debit / credit
+        const periodEntries = accountEntries.filter(entry => entry.date >= fromDate);
+        account.debit = periodEntries.reduce((acc, entry) => acc + entry.debit, 0);
+        account.credit = periodEntries.reduce((acc, entry) => acc + entry.credit, 0);
+
+        // closing
+        account.closing = account.opening + account.debit - account.credit;
+
+        if (account.closing >= 0) {
+            account.closingDebit = account.closing;
+        } else {
+            account.closingCredit = -account.closing;
+        }
+    }
+
+    return accounts;
+}
+
 function getPeriodList(fromDate, toDate, periodicity, fiscalYear) {
     if (!fromDate) {
         fromDate = fiscalYear.start;
@@ -210,5 +246,6 @@ async function getFiscalYear() {
 }
 
 module.exports = {
-    getData
+    getData,
+    getTrialBalance
 }

reports/TrialBalance/TrialBalance.js

@@ -0,0 +1,18 @@
+const frappe = require('frappejs');
+const { getTrialBalance } = require('../FinancialStatements/FinancialStatements');
+
+module.exports = class TrialBalance {
+    async run({ fromDate, toDate }) {
+        const promises = ['Asset', 'Expense', 'Income', 'Liability', 'Equity'].map(rootType => {
+            return getTrialBalance({ rootType, fromDate, toDate });
+        });
+
+        const values = await Promise.all(promises);
+
+        let rows = values.reduce((acc, curr) => {
+            return [...acc, ...curr];
+        }, []);
+
+        return { rows };
+    }
+}

reports/TrialBalance/TrialBalanceView.js

@@ -0,0 +1,46 @@
+const ReportPage = require('frappejs/client/desk/reportpage');
+const frappe = require('frappejs');
+
+module.exports = class TrialBalanceView extends ReportPage {
+    constructor(opts) {
+        super({
+            title: frappe._('Trial Balance'),
+            filterFields: [
+                {fieldtype: 'Date', fieldname: 'fromDate', label: 'From Date', required: 1},
+                {fieldtype: 'Date', fieldname: 'toDate', label: 'To Date', required: 1}
+            ]
+        });
+
+        this.method = 'trial-balance';
+        this.datatableOptions = {
+            treeView: true,
+            layout: 'fixed'
+        }
+    }
+
+    async setDefaultFilterValues() {
+        const accountingSettings = await frappe.getSingle('AccountingSettings');
+        this.filters.setValue('fromDate', accountingSettings.fiscalYearStart);
+        this.filters.setValue('toDate', accountingSettings.fiscalYearEnd);
+
+        this.run();
+    }
+
+    getRowsForDataTable(data) {
+        return data.rows || [];
+    }
+
+    getColumns(data) {
+        const columns = [
+            { label: 'Account', fieldtype: 'Data', fieldname: 'account', width: 340 },
+            { label: 'Opening (Dr)', fieldtype: 'Currency', fieldname: 'openingDebit' },
+            { label: 'Opening (Cr)', fieldtype: 'Currency', fieldname: 'openingCredit' },
+            { label: 'Debit', fieldtype: 'Currency', fieldname: 'debit' },
+            { label: 'Credit', fieldtype: 'Currency', fieldname: 'credit' },
+            { label: 'Closing (Dr)', fieldtype: 'Currency', fieldname: 'closingDebit' },
+            { label: 'Closing (Cr)', fieldtype: 'Currency', fieldname: 'closingCredit' }
+        ];
+
+        return columns;
+    }
+}

reports/index.js

@@ -9,6 +9,9 @@ const ProfitAndLossView = require('./ProfitAndLoss/ProfitAndLossView');
 const BalanceSheet = require('./BalanceSheet/BalanceSheet');
 const BalanceSheetView = require('./BalanceSheet/BalanceSheetView');
 
+const TrialBalance = require('./TrialBalance/TrialBalance');
+const TrialBalanceView = require('./TrialBalance/TrialBalanceView');
+
 const SalesRegister = require('./SalesRegister/SalesRegister');
 const SalesRegisterView = require('./SalesRegister/SalesRegisterView');
 
@@ -32,6 +35,11 @@ function registerReportMethods() {
         handler: getReportData(BalanceSheet)
     });
 
+    frappe.registerMethod({
+        method: 'trial-balance',
+        handler: getReportData(TrialBalance)
+    });
+
     frappe.registerMethod({
         method: 'sales-register',
         handler: getReportData(SalesRegister)
@@ -66,6 +74,13 @@ function registerReportRoutes() {
         await frappe.views.BalanceSheet.show(params);
     });
 
+    frappe.router.add('report/trial-balance', async (params) => {
+        if (!frappe.views.TrialBalance) {
+            frappe.views.TrialBalance = new TrialBalanceView();
+        }
+        await frappe.views.TrialBalance.show(params);
+    });
+
     frappe.router.add('report/sales-register', async (params) => {
         if (!frappe.views.SalesRegister) {
             frappe.views.SalesRegister = new SalesRegisterView();