542 lines
20 KiB
JavaScript
542 lines
20 KiB
JavaScript
// Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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// License: GNU General Public License v3. See license.txt
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erpnext.taxes_and_totals = erpnext.stock.StockController.extend({
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calculate_taxes_and_totals: function(update_paid_amount) {
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this.discount_amount_applied = false;
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this._calculate_taxes_and_totals();
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if (frappe.meta.get_docfield(this.frm.doc.doctype, "discount_amount"))
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this.apply_discount_amount();
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// Advance calculation applicable to Sales /Purchase Invoice
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if(in_list(["Sales Invoice", "Purchase Invoice"], this.frm.doc.doctype)
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&& this.frm.doc.docstatus < 2 && !this.frm.doc.is_return) {
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this.calculate_total_advance(update_paid_amount);
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}
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// Sales person's commission
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if(in_list(["Quotation", "Sales Order", "Delivery Note", "Sales Invoice"], this.frm.doc.doctype)) {
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this.calculate_commission();
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this.calculate_contribution();
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}
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this.frm.refresh_fields();
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},
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_calculate_taxes_and_totals: function() {
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this.validate_conversion_rate();
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this.calculate_item_values();
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this.initialize_taxes();
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this.determine_exclusive_rate();
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this.calculate_net_total();
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this.calculate_taxes();
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this.manipulate_grand_total_for_inclusive_tax();
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this.calculate_totals();
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this._cleanup();
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this.show_item_wise_taxes();
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},
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validate_conversion_rate: function() {
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this.frm.doc.conversion_rate = flt(this.frm.doc.conversion_rate, precision("conversion_rate"));
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var conversion_rate_label = frappe.meta.get_label(this.frm.doc.doctype, "conversion_rate",
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this.frm.doc.name);
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var company_currency = this.get_company_currency();
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if(!this.frm.doc.conversion_rate) {
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if(this.frm.doc.currency == company_currency) {
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this.frm.set_value("conversion_rate", 1);
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} else {
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frappe.throw(repl('%(conversion_rate_label)s' +
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__(' is mandatory. Maybe Currency Exchange record is not created for ') +
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'%(from_currency)s' + __(" to ") + '%(to_currency)s',
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{
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"conversion_rate_label": conversion_rate_label,
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"from_currency": this.frm.doc.currency,
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"to_currency": company_currency
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}));
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}
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}
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},
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calculate_item_values: function() {
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var me = this;
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if (!this.discount_amount_applied) {
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$.each(this.frm.doc["items"] || [], function(i, item) {
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frappe.model.round_floats_in(item);
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item.net_rate = item.rate;
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item.amount = flt(item.rate * item.qty, precision("amount", item));
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item.net_amount = item.amount;
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item.item_tax_amount = 0.0;
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me.set_in_company_currency(item, ["price_list_rate", "rate", "amount", "net_rate", "net_amount"]);
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});
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}
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},
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set_in_company_currency: function(doc, fields) {
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var me = this;
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$.each(fields, function(i, f) {
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doc["base_"+f] = flt(flt(doc[f], precision(f, doc)) * me.frm.doc.conversion_rate, precision("base_" + f, doc));
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})
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},
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initialize_taxes: function() {
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var me = this;
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$.each(this.frm.doc["taxes"] || [], function(i, tax) {
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tax.item_wise_tax_detail = {};
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tax_fields = ["total", "tax_amount_after_discount_amount",
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"tax_amount_for_current_item", "grand_total_for_current_item",
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"tax_fraction_for_current_item", "grand_total_fraction_for_current_item"]
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if (cstr(tax.charge_type) != "Actual" &&
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!(me.discount_amount_applied && me.frm.doc.apply_discount_on=="Grand Total"))
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tax_fields.push("tax_amount");
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$.each(tax_fields, function(i, fieldname) { tax[fieldname] = 0.0 });
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if (!this.discount_amount_applied) {
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cur_frm.cscript.validate_taxes_and_charges(tax.doctype, tax.name);
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me.validate_inclusive_tax(tax);
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}
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frappe.model.round_floats_in(tax);
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});
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},
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determine_exclusive_rate: function() {
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var me = this;
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var has_inclusive_tax = false;
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$.each(me.frm.doc["taxes"] || [], function(i, row) {
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if(cint(row.included_in_print_rate)) has_inclusive_tax = true;
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})
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if(has_inclusive_tax==false) return;
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$.each(me.frm.doc["items"] || [], function(n, item) {
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var item_tax_map = me._load_item_tax_rate(item.item_tax_rate);
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var cumulated_tax_fraction = 0.0;
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$.each(me.frm.doc["taxes"] || [], function(i, tax) {
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tax.tax_fraction_for_current_item = me.get_current_tax_fraction(tax, item_tax_map);
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if(i==0) {
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tax.grand_total_fraction_for_current_item = 1 + tax.tax_fraction_for_current_item;
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} else {
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tax.grand_total_fraction_for_current_item =
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me.frm.doc["taxes"][i-1].grand_total_fraction_for_current_item +
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tax.tax_fraction_for_current_item;
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}
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cumulated_tax_fraction += tax.tax_fraction_for_current_item;
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});
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if(cumulated_tax_fraction && !me.discount_amount_applied) {
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item.net_amount = flt(item.amount / (1 + cumulated_tax_fraction), precision("net_amount", item));
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item.net_rate = flt(item.net_amount / item.qty, precision("net_rate", item));
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me.set_in_company_currency(item, ["net_rate", "net_amount"]);
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}
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});
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},
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get_current_tax_fraction: function(tax, item_tax_map) {
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// Get tax fraction for calculating tax exclusive amount
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// from tax inclusive amount
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var current_tax_fraction = 0.0;
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if(cint(tax.included_in_print_rate)) {
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var tax_rate = this._get_tax_rate(tax, item_tax_map);
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if(tax.charge_type == "On Net Total") {
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current_tax_fraction = (tax_rate / 100.0);
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} else if(tax.charge_type == "On Previous Row Amount") {
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current_tax_fraction = (tax_rate / 100.0) *
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this.frm.doc["taxes"][cint(tax.row_id) - 1].tax_fraction_for_current_item;
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} else if(tax.charge_type == "On Previous Row Total") {
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current_tax_fraction = (tax_rate / 100.0) *
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this.frm.doc["taxes"][cint(tax.row_id) - 1].grand_total_fraction_for_current_item;
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}
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}
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if(tax.add_deduct_tax) {
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current_tax_fraction *= (tax.add_deduct_tax == "Deduct") ? -1.0 : 1.0;
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}
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return current_tax_fraction;
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},
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_get_tax_rate: function(tax, item_tax_map) {
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return (keys(item_tax_map).indexOf(tax.account_head) != -1) ?
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flt(item_tax_map[tax.account_head], precision("rate", tax)) : tax.rate;
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},
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calculate_net_total: function() {
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var me = this;
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this.frm.doc.total = this.frm.doc.base_total = this.frm.doc.net_total = this.frm.doc.base_net_total = 0.0;
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$.each(this.frm.doc["items"] || [], function(i, item) {
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me.frm.doc.total += item.amount;
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me.frm.doc.base_total += item.base_amount;
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me.frm.doc.net_total += item.net_amount;
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me.frm.doc.base_net_total += item.base_net_amount;
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});
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frappe.model.round_floats_in(this.frm.doc, ["total", "base_total", "net_total", "base_net_total"]);
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},
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calculate_taxes: function() {
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var me = this;
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var actual_tax_dict = {};
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// maintain actual tax rate based on idx
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$.each(this.frm.doc["taxes"] || [], function(i, tax) {
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if (tax.charge_type == "Actual") {
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actual_tax_dict[tax.idx] = flt(tax.tax_amount, precision("tax_amount", tax));
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}
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});
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$.each(this.frm.doc["items"] || [], function(n, item) {
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var item_tax_map = me._load_item_tax_rate(item.item_tax_rate);
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$.each(me.frm.doc["taxes"] || [], function(i, tax) {
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// tax_amount represents the amount of tax for the current step
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var current_tax_amount = me.get_current_tax_amount(item, tax, item_tax_map);
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// Adjust divisional loss to the last item
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if (tax.charge_type == "Actual") {
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actual_tax_dict[tax.idx] -= current_tax_amount;
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if (n == me.frm.doc["items"].length - 1) {
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current_tax_amount += actual_tax_dict[tax.idx]
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}
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}
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// accumulate tax amount into tax.tax_amount
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if (tax.charge_type != "Actual" &&
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!(me.discount_amount_applied && me.frm.doc.apply_discount_on=="Grand Total"))
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tax.tax_amount += current_tax_amount;
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// store tax_amount for current item as it will be used for
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// charge type = 'On Previous Row Amount'
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tax.tax_amount_for_current_item = current_tax_amount;
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// tax amount after discount amount
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tax.tax_amount_after_discount_amount += current_tax_amount;
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// for buying
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if(tax.category) {
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// if just for valuation, do not add the tax amount in total
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// hence, setting it as 0 for further steps
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current_tax_amount = (tax.category == "Valuation") ? 0.0 : current_tax_amount;
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current_tax_amount *= (tax.add_deduct_tax == "Deduct") ? -1.0 : 1.0;
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}
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// Calculate tax.total viz. grand total till that step
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// note: grand_total_for_current_item contains the contribution of
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// item's amount, previously applied tax and the current tax on that item
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if(i==0) {
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tax.grand_total_for_current_item = flt(item.net_amount + current_tax_amount, precision("total", tax));
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} else {
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tax.grand_total_for_current_item =
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flt(me.frm.doc["taxes"][i-1].grand_total_for_current_item + current_tax_amount, precision("total", tax));
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}
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// in tax.total, accumulate grand total for each item
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tax.total += tax.grand_total_for_current_item;
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// set precision in the last item iteration
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if (n == me.frm.doc["items"].length - 1) {
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me.round_off_totals(tax);
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// adjust Discount Amount loss in last tax iteration
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if ((i == me.frm.doc["taxes"].length - 1) && me.discount_amount_applied
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&& me.frm.doc.apply_discount_on == "Grand Total" && me.frm.doc.discount_amount)
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me.adjust_discount_amount_loss(tax);
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}
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});
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});
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},
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_load_item_tax_rate: function(item_tax_rate) {
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return item_tax_rate ? JSON.parse(item_tax_rate) : {};
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},
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get_current_tax_amount: function(item, tax, item_tax_map) {
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var tax_rate = this._get_tax_rate(tax, item_tax_map);
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var current_tax_amount = 0.0;
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if(tax.charge_type == "Actual") {
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// distribute the tax amount proportionally to each item row
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var actual = flt(tax.tax_amount, precision("tax_amount", tax));
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current_tax_amount = this.frm.doc.net_total ?
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((item.net_amount / this.frm.doc.net_total) * actual) : 0.0;
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} else if(tax.charge_type == "On Net Total") {
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current_tax_amount = (tax_rate / 100.0) * item.net_amount;
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} else if(tax.charge_type == "On Previous Row Amount") {
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current_tax_amount = (tax_rate / 100.0) *
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this.frm.doc["taxes"][cint(tax.row_id) - 1].tax_amount_for_current_item;
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} else if(tax.charge_type == "On Previous Row Total") {
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current_tax_amount = (tax_rate / 100.0) *
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this.frm.doc["taxes"][cint(tax.row_id) - 1].grand_total_for_current_item;
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}
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current_tax_amount = flt(current_tax_amount, precision("tax_amount", tax));
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this.set_item_wise_tax(item, tax, tax_rate, current_tax_amount);
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return current_tax_amount;
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},
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set_item_wise_tax: function(item, tax, tax_rate, current_tax_amount) {
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// store tax breakup for each item
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var key = item.item_code || item.item_name;
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var item_wise_tax_amount = current_tax_amount * this.frm.doc.conversion_rate;
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if (tax.item_wise_tax_detail && tax.item_wise_tax_detail[key])
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item_wise_tax_amount += tax.item_wise_tax_detail[key][1]
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tax.item_wise_tax_detail[key] = [tax_rate,flt(item_wise_tax_amount, precision("base_tax_amount", tax))]
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},
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round_off_totals: function(tax) {
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tax.total = flt(tax.total, precision("total", tax));
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tax.tax_amount = flt(tax.tax_amount, precision("tax_amount", tax));
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tax.tax_amount_after_discount_amount = flt(tax.tax_amount_after_discount_amount, precision("tax_amount", tax));
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this.set_in_company_currency(tax, ["total", "tax_amount", "tax_amount_after_discount_amount"]);
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},
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adjust_discount_amount_loss: function(tax) {
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var discount_amount_loss = this.frm.doc.grand_total - flt(this.frm.doc.discount_amount) - tax.total;
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tax.tax_amount_after_discount_amount = flt(tax.tax_amount_after_discount_amount +
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discount_amount_loss, precision("tax_amount", tax));
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tax.total = flt(tax.total + discount_amount_loss, precision("total", tax));
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this.set_in_company_currency(tax, ["total", "tax_amount_after_discount_amount"]);
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},
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manipulate_grand_total_for_inclusive_tax: function() {
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var me = this;
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// if fully inclusive taxes and diff
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if (this.frm.doc["taxes"] && this.frm.doc["taxes"].length) {
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var all_inclusive = frappe.utils.all(this.frm.doc["taxes"].map(function(d) {
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return cint(d.included_in_print_rate);
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}));
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if (all_inclusive) {
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var last_tax = me.frm.doc["taxes"].slice(-1)[0];
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var diff = me.frm.doc.total - flt(last_tax.total, precision("grand_total"));
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if ( diff && Math.abs(diff) <= (2.0 / Math.pow(10, precision("tax_amount", last_tax))) ) {
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last_tax.tax_amount += diff;
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last_tax.tax_amount_after_discount += diff;
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last_tax.total += diff;
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this.set_in_company_currency(last_tax,
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["total", "tax_amount", "tax_amount_after_discount_amount"]);
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}
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}
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}
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},
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calculate_totals: function() {
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// Changing sequence can cause roundiing issue and on-screen discrepency
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var me = this;
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var tax_count = this.frm.doc["taxes"] ? this.frm.doc["taxes"].length : 0;
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this.frm.doc.grand_total = flt(tax_count ? this.frm.doc["taxes"][tax_count - 1].total : this.frm.doc.net_total);
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if(in_list(["Quotation", "Sales Order", "Delivery Note", "Sales Invoice"], this.frm.doc.doctype)) {
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this.frm.doc.base_grand_total = (this.frm.doc.total_taxes_and_charges) ?
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flt(this.frm.doc.grand_total * this.frm.doc.conversion_rate) : this.frm.doc.base_net_total;
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} else {
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// other charges added/deducted
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this.frm.doc.taxes_and_charges_added = this.frm.doc.taxes_and_charges_deducted = 0.0;
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if(tax_count) {
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$.each(this.frm.doc["taxes"] || [], function(i, tax) {
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if (in_list(["Valuation and Total", "Total"], tax.category)) {
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if(tax.add_deduct_tax == "Add") {
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me.frm.doc.taxes_and_charges_added += flt(tax.tax_amount_after_discount_amount);
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} else {
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me.frm.doc.taxes_and_charges_deducted += flt(tax.tax_amount_after_discount_amount);
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}
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}
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})
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frappe.model.round_floats_in(this.frm.doc, ["taxes_and_charges_added", "taxes_and_charges_deducted"]);
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}
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this.frm.doc.base_grand_total = flt((this.frm.doc.taxes_and_charges_added || this.frm.doc.taxes_and_charges_deducted) ?
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flt(this.frm.doc.grand_total * this.frm.doc.conversion_rate) : this.frm.doc.base_net_total);
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this.set_in_company_currency(this.frm.doc, ["taxes_and_charges_added", "taxes_and_charges_deducted"]);
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}
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this.frm.doc.total_taxes_and_charges = flt(this.frm.doc.grand_total - this.frm.doc.net_total,
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precision("total_taxes_and_charges"));
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this.set_in_company_currency(this.frm.doc, ["total_taxes_and_charges"]);
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// Round grand total as per precision
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frappe.model.round_floats_in(this.frm.doc, ["grand_total", "base_grand_total"]);
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// rounded totals
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if(frappe.meta.get_docfield(this.frm.doc.doctype, "rounded_total", this.frm.doc.name)) {
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this.frm.doc.rounded_total = round_based_on_smallest_currency_fraction(this.frm.doc.grand_total,
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this.frm.doc.currency, precision("rounded_total"));
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}
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if(frappe.meta.get_docfield(this.frm.doc.doctype, "base_rounded_total", this.frm.doc.name)) {
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var company_currency = this.get_company_currency();
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this.frm.doc.base_rounded_total =
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round_based_on_smallest_currency_fraction(this.frm.doc.base_grand_total,
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company_currency, precision("base_rounded_total"));
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}
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},
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_cleanup: function() {
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this.frm.doc.base_in_words = this.frm.doc.in_words = "";
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if(this.frm.doc["items"] && this.frm.doc["items"].length) {
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if(!frappe.meta.get_docfield(this.frm.doc["items"][0].doctype, "item_tax_amount", this.frm.doctype)) {
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$.each(this.frm.doc["items"] || [], function(i, item) {
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delete item["item_tax_amount"];
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});
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}
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}
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|
|
|
if(this.frm.doc["taxes"] && this.frm.doc["taxes"].length) {
|
|
var temporary_fields = ["tax_amount_for_current_item", "grand_total_for_current_item",
|
|
"tax_fraction_for_current_item", "grand_total_fraction_for_current_item"]
|
|
|
|
if(!frappe.meta.get_docfield(this.frm.doc["taxes"][0].doctype, "tax_amount_after_discount_amount", this.frm.doctype)) {
|
|
temporary_fields.push("tax_amount_after_discount_amount");
|
|
}
|
|
|
|
$.each(this.frm.doc["taxes"] || [], function(i, tax) {
|
|
$.each(temporary_fields, function(i, fieldname) {
|
|
delete tax[fieldname];
|
|
});
|
|
|
|
tax.item_wise_tax_detail = JSON.stringify(tax.item_wise_tax_detail);
|
|
});
|
|
}
|
|
},
|
|
|
|
apply_discount_amount: function() {
|
|
var me = this;
|
|
var distributed_amount = 0.0;
|
|
|
|
if (this.frm.doc.discount_amount) {
|
|
if(!this.frm.doc.apply_discount_on)
|
|
frappe.throw(__("Please select Apply Discount On"));
|
|
|
|
this.frm.set_value("base_discount_amount",
|
|
flt(this.frm.doc.discount_amount * this.frm.doc.conversion_rate, precision("base_discount_amount")))
|
|
|
|
var total_for_discount_amount = this.get_total_for_discount_amount();
|
|
// calculate item amount after Discount Amount
|
|
if (total_for_discount_amount) {
|
|
$.each(this.frm.doc["items"] || [], function(i, item) {
|
|
distributed_amount = flt(me.frm.doc.discount_amount) * item.net_amount / total_for_discount_amount;
|
|
item.net_amount = flt(item.net_amount - distributed_amount, precision("base_amount", item));
|
|
item.net_rate = flt(item.net_amount / item.qty, precision("net_rate", item));
|
|
|
|
me.set_in_company_currency(item, ["net_rate", "net_amount"]);
|
|
});
|
|
|
|
this.discount_amount_applied = true;
|
|
this._calculate_taxes_and_totals();
|
|
}
|
|
} else {
|
|
this.frm.set_value("base_discount_amount", 0);
|
|
}
|
|
},
|
|
|
|
get_total_for_discount_amount: function() {
|
|
var me = this;
|
|
|
|
if(this.frm.doc.apply_discount_on == "Net Total") {
|
|
return this.frm.doc.net_total
|
|
} else {
|
|
var total_actual_tax = 0.0;
|
|
var actual_taxes_dict = {};
|
|
|
|
$.each(this.frm.doc["taxes"] || [], function(i, tax) {
|
|
if (tax.charge_type == "Actual")
|
|
actual_taxes_dict[tax.idx] = tax.tax_amount;
|
|
else if (actual_taxes_dict[tax.row_id] !== null) {
|
|
actual_tax_amount = flt(actual_taxes_dict[tax.row_id]) * flt(tax.rate) / 100;
|
|
actual_taxes_dict[tax.idx] = actual_tax_amount;
|
|
}
|
|
});
|
|
|
|
$.each(actual_taxes_dict, function(key, value) {
|
|
if (value) total_actual_tax += value;
|
|
});
|
|
|
|
return flt(this.frm.doc.grand_total - total_actual_tax, precision("grand_total"));
|
|
}
|
|
},
|
|
|
|
calculate_total_advance: function(update_paid_amount) {
|
|
var total_allocated_amount = frappe.utils.sum($.map(this.frm.doc["advances"] || [], function(adv) {
|
|
return flt(adv.allocated_amount, precision("allocated_amount", adv))
|
|
}));
|
|
this.frm.doc.total_advance = flt(total_allocated_amount, precision("total_advance"));
|
|
|
|
this.calculate_outstanding_amount(update_paid_amount);
|
|
},
|
|
|
|
calculate_outstanding_amount: function(update_paid_amount) {
|
|
// NOTE:
|
|
// paid_amount and write_off_amount is only for POS Invoice
|
|
// total_advance is only for non POS Invoice
|
|
if(this.frm.doc.is_return || this.frm.doc.docstatus > 0) return;
|
|
|
|
frappe.model.round_floats_in(this.frm.doc, ["grand_total", "total_advance", "write_off_amount"]);
|
|
if(this.frm.doc.party_account_currency == this.frm.doc.currency) {
|
|
var total_amount_to_pay = flt((this.frm.doc.grand_total - this.frm.doc.total_advance
|
|
- this.frm.doc.write_off_amount), precision("grand_total"));
|
|
} else {
|
|
var total_amount_to_pay = flt(
|
|
(flt(this.frm.doc.grand_total*this.frm.doc.conversion_rate, precision("grand_total"))
|
|
- this.frm.doc.total_advance - this.frm.doc.base_write_off_amount),
|
|
precision("base_grand_total")
|
|
);
|
|
}
|
|
|
|
if(this.frm.doc.doctype == "Sales Invoice" || this.frm.doc.doctype == "Purchase Invoice") {
|
|
frappe.model.round_floats_in(this.frm.doc, ["paid_amount"]);
|
|
|
|
if(this.frm.doc.is_pos || this.frm.doc.is_paid) {
|
|
if(!this.frm.doc.paid_amount || update_paid_amount===undefined || update_paid_amount) {
|
|
this.frm.doc.paid_amount = flt(total_amount_to_pay);
|
|
}
|
|
} else {
|
|
this.frm.doc.paid_amount = 0
|
|
}
|
|
this.set_in_company_currency(this.frm.doc, ["paid_amount"]);
|
|
this.frm.refresh_field("paid_amount");
|
|
this.frm.refresh_field("base_paid_amount");
|
|
|
|
var paid_amount = (this.frm.doc.party_account_currency == this.frm.doc.currency) ?
|
|
this.frm.doc.paid_amount : this.frm.doc.base_paid_amount;
|
|
|
|
var outstanding_amount = flt(total_amount_to_pay - flt(paid_amount),
|
|
precision("outstanding_amount"));
|
|
|
|
} else if(this.frm.doc.doctype == "Purchase Invoice") {
|
|
var outstanding_amount = flt(total_amount_to_pay, precision("outstanding_amount"));
|
|
}
|
|
this.frm.set_value("outstanding_amount", outstanding_amount);
|
|
}
|
|
})
|