pjpatil12/IncomeTaxSystem
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year check valid or not All form commit

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pjpatil12
2025-12-08 13:40:33 +05:30
parent bd24fa5f4e
commit 425f213606
13 changed files with 175 additions and 193 deletions
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50
static/js/ao_calc.js
View File

@@ -1,15 +1,5 @@
document.addEventListener("DOMContentLoaded", function () {
// All fields that must trigger calculation
const fields = [
"gross_total_income", "disallowance_14a", "disallowance_37",
"deduction_80ia_business", "deduction_sec37_disallowance", "deduction_80g",
"net_taxable_income", "tax_30_percent", "tax_book_profit_18_5",
"surcharge_12", "edu_cess_3", "total_tax_payable", "mat_credit",
"interest_234c", "total_tax", "advance_tax", "tds", "tcs",
"tax_on_assessment", "refund"
];
function getVal(id) {
return parseFloat(document.getElementsByName(id)[0].value) || 0;
}
@@ -18,23 +8,22 @@ document.addEventListener("DOMContentLoaded", function () {
document.getElementsByName(id)[0].value = Number(value).toFixed(2);
}
function calculate() {
window.calculate = function () {
// 1️ Base Values
// Base Values
let gross_total_income = getVal("gross_total_income");
let disallowance_14a = getVal("disallowance_14a");
let disallowance_37 = getVal("disallowance_37");
// 2️ Deductions
// Deductions
let d80_business = getVal("deduction_80ia_business");
let deduction_sec37 = getVal("deduction_sec37_disallowance");
let deduction_80g = getVal("deduction_80g");
// 3️ Formula: TOTAL DEDUCTION
// Total Deduction
let total_deductions = d80_business + deduction_sec37;
// (deduction_80ia_business + deduction_sec37_disallowance)
// 4️ Net Taxable Income
// Net Taxable Income
let net_taxable_income =
(gross_total_income + disallowance_14a + disallowance_37)
- total_deductions
@@ -42,35 +31,30 @@ document.addEventListener("DOMContentLoaded", function () {
setVal("net_taxable_income", net_taxable_income);
// 5️ Tax @ 30%
// Tax @ 30%
let tax_30_percent = net_taxable_income * 0.30;
setVal("tax_30_percent", tax_30_percent);
// 6️ Book Profit – Tax Payable
let tax_payable = getVal("tax_book_profit_18_5");
// (tax_payable = tax_book_profit_18_5)
// 7️ Surcharge
// Surcharge @ 12%
let surcharge_12 = tax_30_percent * 0.12;
setVal("surcharge_12", surcharge_12);
// 8️ Education Cess
// Education Cess @ 3%
let edu_cess_3 = (tax_30_percent + surcharge_12) * 0.03;
setVal("edu_cess_3", edu_cess_3);
// 9️ Total Tax Payable
// Total Tax Payable
let total_tax_payable = tax_30_percent + surcharge_12 + edu_cess_3;
setVal("total_tax_payable", total_tax_payable);
// MAT Credit & Interest
// MAT, Interest
let mat_credit = getVal("mat_credit");
let interest_234c = getVal("interest_234c");
// 1️1️ Total Tax
let total_tax = total_tax_payable + mat_credit + interest_234c;
setVal("total_tax", total_tax);
// 1️2️ Assessment side – Advance Tax, TDS, TCS
// Advance, TDS, TCS
let advance_tax = getVal("advance_tax");
let tds = getVal("tds");
let tcs = getVal("tcs");
@@ -78,16 +62,8 @@ document.addEventListener("DOMContentLoaded", function () {
let tax_on_assessment = advance_tax + tds + tcs;
setVal("tax_on_assessment", tax_on_assessment);
// 1️3️ Refund / Payable
// Refund / Payablesss
let refund = total_tax - tax_on_assessment;
setVal("refund", refund);
}
// Attach input listeners
fields.forEach(id => {
let input = document.getElementsByName(id)[0];
if (input) {
input.addEventListener("input", calculate);
}
});
};
});

87
static/js/cit_calc.js
View File

@@ -1,89 +1,74 @@
document.addEventListener("DOMContentLoaded", function () {
const fields = [
"gross_total_income", "disallowance_14a", "disallowance_37",
"deduction_80ia_business", "deduction_sec37_disallowance", "deduction_80g",
"net_taxable_income", "tax_30_percent", "tax_book_profit_18_5",
"tax_payable", "surcharge_12", "edu_cess_3", "total_tax_payable",
"mat_credit", "interest_234c", "total_tax",
"advance_tax", "tds", "tcs", "tax_on_assessment", "refund"
];
function getVal(id) {
let el = document.getElementsByName(id)[0];
var el = document.getElementsByName(id)[0];
return el ? parseFloat(el.value) || 0 : 0;
}
function setVal(id, value) {
let el = document.getElementsByName(id)[0];
var el = document.getElementsByName(id)[0];
if (el) el.value = Number(value).toFixed(2);
}
function calculate() {
// MAIN CALC FUNCTION
window.calculate = function () {
// Base values
let gross_total_income = getVal("gross_total_income");
let disallowance_14a = getVal("disallowance_14a");
let disallowance_37 = getVal("disallowance_37");
// BASIC VALUES
var gross_total_income = getVal("gross_total_income");
var disallowance_14a = getVal("disallowance_14a");
var disallowance_37 = getVal("disallowance_37");
// Deductions
let d80_business = getVal("deduction_80ia_business");
let deduction_sec37 = getVal("deduction_sec37_disallowance");
let deduction_80g = getVal("deduction_80g");
var d80_business = getVal("deduction_80ia_business");
var deduction_sec37 = getVal("deduction_sec37_disallowance");
var deduction_80g = getVal("deduction_80g");
// Net Taxable Income
let net_taxable_income =
// NET TAXABLE INCOME
var net_taxable_income =
(gross_total_income + disallowance_14a + disallowance_37)
- (d80_business + deduction_sec37)
- deduction_80g;
setVal("net_taxable_income", net_taxable_income);
// 30% tax
let tax_30_percent = net_taxable_income * 0.30;
// TAX @ 30%
var tax_30_percent = net_taxable_income * 0.30;
setVal("tax_30_percent", tax_30_percent);
// Book profit tax (user input)
let tax_payable = getVal("tax_book_profit_18_5");
// TAX PAYABLE = 18.5% BOOK PROFIT (user enters)
var tax_payable = getVal("tax_book_profit_18_5");
setVal("tax_payable", tax_payable);
// Surcharge 12%
let surcharge_12 = tax_payable * 0.12;
// SURCHARGE
var surcharge_12 = tax_payable * 0.12;
setVal("surcharge_12", surcharge_12);
// Education Cess 3%
let edu_cess_3 = (tax_payable + surcharge_12) * 0.03;
// CESS
var edu_cess_3 = (tax_payable + surcharge_12) * 0.03;
setVal("edu_cess_3", edu_cess_3);
// Total Tax Payable
let total_tax_payable = tax_payable + surcharge_12 + edu_cess_3;
// TOTAL TAX PAYABLE
var total_tax_payable = tax_payable + surcharge_12 + edu_cess_3;
setVal("total_tax_payable", total_tax_payable);
// MAT + Interest
let mat_credit = getVal("mat_credit");
let interest_234c = getVal("interest_234c");
// OTHER VALUES
var mat_credit = getVal("mat_credit");
var interest_234c = getVal("interest_234c");
// Total Tax
let total_tax = total_tax_payable + mat_credit + interest_234c;
// FINAL TAX
var total_tax = total_tax_payable + mat_credit + interest_234c;
setVal("total_tax", total_tax);
// Assessment → Advance Tax + TDS + TCS
let advance_tax = getVal("advance_tax");
let tds = getVal("tds");
let tcs = getVal("tcs");
// PAYMENTS
var advance_tax = getVal("advance_tax");
var tds = getVal("tds");
var tcs = getVal("tcs");
let tax_on_assessment = advance_tax + tds + tcs;
var tax_on_assessment = advance_tax + tds + tcs;
setVal("tax_on_assessment", tax_on_assessment);
// Refund (or payable)
let refund = total_tax - tax_on_assessment;
// REFUND
var refund = total_tax - tax_on_assessment;
setVal("refund", refund);
}
// Attach listeners
fields.forEach(id => {
let el = document.getElementsByName(id)[0];
if (el) el.addEventListener("input", calculate);
});
};
});

83
static/js/itr_calc.js
View File

@@ -1,83 +1,72 @@
document.addEventListener("DOMContentLoaded", function () {
const fields = [
"gross_total_income", "disallowance_14a", "disallowance_37",
"deduction_80ia_business", "deduction_80ia_misc", "deduction_80ia_other",
"deduction_sec37_disallowance", "deduction_80g", "net_taxable_income",
"tax_30_percent", "tax_book_profit_18_5", "tax_payable", "surcharge_12",
"edu_cess_3", "total_tax_payable", "mat_credit", "interest_234c",
"total_tax", "advance_tax", "tds", "tcs", "tax_on_assessment", "refund"
];
function getValue(id) {
return parseFloat(document.getElementsByName(id)[0].value) || 0;
var el = document.getElementsByName(id)[0];
return el ? parseFloat(el.value) || 0 : 0;
}
function setValue(id, val) {
document.getElementsByName(id)[0].value = val.toFixed(2);
var el = document.getElementsByName(id)[0];
if (el) el.value = Number(val).toFixed(2);
}
function calculate() {
window.calculate = function () {
let gross_total_income = getValue("gross_total_income");
let disallowance_14a = getValue("disallowance_14a");
let disallowance_37 = getValue("disallowance_37");
// --- BASIC INPUTS ---
var gross_total_income = getValue("gross_total_income");
var disallowance_14a = getValue("disallowance_14a");
var disallowance_37 = getValue("disallowance_37");
// FORMULAS
// // Auto-calculations (your logic)
setValue("gross_total_income", disallowance_37 + gross_total_income);
setValue("disallowance_37", disallowance_14a + disallowance_37);
// Deductions
let d80_business = getValue("deduction_80ia_business");
let d80_misc = getValue("deduction_80ia_misc");
let d80_other = getValue("deduction_80ia_other");
// --- DEDUCTIONS ---
var d80_business = getValue("deduction_80ia_business");
var d80_misc = getValue("deduction_80ia_misc");
var d80_other = getValue("deduction_80ia_other");
let deduction_sec37 = d80_business + d80_misc + d80_other - 1.35;
var deduction_sec37 = d80_business + d80_misc + d80_other - 1.35;
setValue("deduction_sec37_disallowance", deduction_sec37);
let deduction_80g = getValue("deduction_80g");
var deduction_80g = getValue("deduction_80g");
// Net taxable income
let net_taxable_income = gross_total_income - deduction_sec37 - deduction_80g;
// --- NET TAXABLE INCOME ---
var net_taxable_income = gross_total_income - deduction_sec37 - deduction_80g;
setValue("net_taxable_income", net_taxable_income);
// Tax calculations
// --- TAX 30% ---
setValue("tax_30_percent", net_taxable_income * 0.30);
let tax_book_profit = getValue("tax_book_profit_18_5");
setValue("tax_payable", tax_book_profit);
// --- TAX PAYABLE (18.5%) ---
var tax_book = getValue("tax_book_profit_18_5");
setValue("tax_payable", tax_book);
let surcharge = tax_book_profit * 0.12;
var surcharge = tax_book * 0.12;
setValue("surcharge_12", surcharge);
let edu_cess = (tax_book_profit + surcharge) * 0.03;
var edu_cess = (tax_book + surcharge) * 0.03;
setValue("edu_cess_3", edu_cess);
let total_tax_payable = tax_book_profit + surcharge + edu_cess;
var total_tax_payable = tax_book + surcharge + edu_cess;
setValue("total_tax_payable", total_tax_payable);
let mat_credit = getValue("mat_credit");
let interest_234c = getValue("interest_234c");
// --- FINAL TAX ---
var mat_credit = getValue("mat_credit");
var interest_234c = getValue("interest_234c");
let total_tax = total_tax_payable + mat_credit + interest_234c;
var total_tax = total_tax_payable + mat_credit + interest_234c;
setValue("total_tax", total_tax);
// Assessment
let adv_tax = getValue("advance_tax");
let tds = getValue("tds");
let tcs = getValue("tcs");
// --- ASSESSMENT ---
var adv_tax = getValue("advance_tax");
var tds = getValue("tds");
var tcs = getValue("tcs");
let tax_on_assessment = adv_tax + tds + tcs;
var tax_on_assessment = adv_tax + tds + tcs;
setValue("tax_on_assessment", tax_on_assessment);
let refund = total_tax - tax_on_assessment;
var refund = total_tax - tax_on_assessment;
setValue("refund", refund);
}
// Attach event listeners
fields.forEach(id => {
const element = document.getElementsByName(id)[0];
if (element) {
element.addEventListener("input", calculate);
}
});
};
});

42
static/js/year_dropdown.js
View File

@@ -1,23 +1,51 @@
document.addEventListener("DOMContentLoaded", function () {
const yearDropdown = document.getElementById("year");
const errorDiv = document.getElementById("yearError");
// Get the form dynamically
const form = document.querySelector("form"); // get from id as table name
// Dynamic table name = form id
const tableName = form.id.toLowerCase();
const currentYear = new Date().getFullYear();
const startYear = 1990;
// Fill Year dropdown
for (let y = currentYear; y >= startYear; y--) {
let nextYear = y + 1;
let option = document.createElement("option");
// Backend receives only first year (example 2024)
option.value = y;
// User sees (example AY 2024–2025)
option.textContent = `AY ${y}-${nextYear}`;
yearDropdown.appendChild(option);
}
// Validate selected year
yearDropdown.addEventListener("change", function () {
let selectedYear = parseInt(this.value);
fetch("/check_year", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
table: tableName, // dynamic table name
year: selectedYear
})
})
.then(res => res.json())
.then(data => {
if (data.exists) {
errorDiv.style.display = "block";
errorDiv.innerText = `Year ${selectedYear} already exists!`;
// Block submission
form.onsubmit = function () { return false; };
} else {
errorDiv.style.display = "none";
form.onsubmit = null; // Allow submit
}
});
});
});