// Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. // License: GNU General Public License v3. See license.txt wn.provide("erpnext"); wn.require("app/js/controllers/stock_controller.js"); erpnext.TransactionController = erpnext.stock.StockController.extend({ onload: function() { if(this.frm.doc.__islocal) { var me = this, today = get_today(), currency = wn.defaults.get_default("currency"); $.each({ posting_date: today, due_date: today, transaction_date: today, currency: currency, price_list_currency: currency, status: "Draft", company: wn.defaults.get_default("company"), fiscal_year: wn.defaults.get_default("fiscal_year"), is_subcontracted: "No", conversion_rate: 1.0, plc_conversion_rate: 1.0 }, function(fieldname, value) { if(me.frm.fields_dict[fieldname] && !me.frm.doc[fieldname]) me.frm.set_value(fieldname, value); }); me.frm.script_manager.trigger("company"); } }, onload_post_render: function() { if(this.frm.doc.__islocal && this.frm.doc.company && !this.frm.doc.customer) { var me = this; return this.frm.call({ doc: this.frm.doc, method: "onload_post_render", freeze: true, callback: function(r) { // remove this call when using client side mapper me.set_default_values(); me.set_dynamic_labels(); } }); } }, refresh: function() { this.frm.clear_custom_buttons(); erpnext.hide_naming_series(); erpnext.hide_company(); this.show_item_wise_taxes(); this.set_dynamic_labels(); }, validate: function() { this.calculate_taxes_and_totals(); }, set_default_values: function() { $.each(wn.model.get_doclist(this.frm.doctype, this.frm.docname), function(i, doc) { var updated = wn.model.set_default_values(doc); if(doc.parentfield) { refresh_field(doc.parentfield); } else { refresh_field(updated); } }); }, company: function() { if(this.frm.doc.company && this.frm.fields_dict.currency) { if(!this.frm.doc.currency) { this.frm.set_value("currency", this.get_company_currency()); } this.frm.script_manager.trigger("currency"); } }, get_company_currency: function() { return erpnext.get_currency(this.frm.doc.company); }, currency: function() { var me = this; this.set_dynamic_labels(); var company_currency = this.get_company_currency(); if(this.frm.doc.currency !== company_currency) { this.get_exchange_rate(this.frm.doc.currency, company_currency, function(exchange_rate) { if(exchange_rate) { me.frm.set_value("conversion_rate", exchange_rate); me.conversion_rate(); } }); } else { this.conversion_rate(); } }, conversion_rate: function() { if(this.frm.doc.currency === this.get_company_currency()) { this.frm.set_value("conversion_rate", 1.0); } else if(this.frm.doc.currency === this.frm.doc.price_list_currency && this.frm.doc.plc_conversion_rate !== this.frm.doc.conversion_rate) { this.frm.set_value("plc_conversion_rate", this.frm.doc.conversion_rate); } this.calculate_taxes_and_totals(); }, price_list_name: function(buying_or_selling) { var me = this; if(this.frm.doc.price_list_name) { return this.frm.call({ method: "setup.utils.get_price_list_currency", args: { price_list_name: this.frm.doc.price_list_name, }, callback: function(r) { if(!r.exc) { me.price_list_currency(); } } }); } }, get_exchange_rate: function(from_currency, to_currency, callback) { var exchange_name = from_currency + "-" + to_currency; wn.model.with_doc("Currency Exchange", exchange_name, function(name) { var exchange_doc = wn.model.get_doc("Currency Exchange", exchange_name); callback(exchange_doc ? flt(exchange_doc.exchange_rate) : 0); }); }, price_list_currency: function() { this.set_dynamic_labels(); var company_currency = this.get_company_currency(); if(this.frm.doc.price_list_currency !== company_currency) { this.get_exchange_rate(this.frm.doc.price_list_currency, company_currency, function(exchange_rate) { if(exchange_rate) { me.frm.set_value("price_list_currency", exchange_rate); me.plc_conversion_rate(); } }); } else { this.plc_conversion_rate(); } }, plc_conversion_rate: function() { if(this.frm.doc.price_list_currency === this.get_company_currency()) { this.frm.set_value("plc_conversion_rate", 1.0); } else if(this.frm.doc.price_list_currency === this.frm.doc.currency) { this.frm.set_value("conversion_rate", this.frm.doc.plc_conversion_rate); this.calculate_taxes_and_totals(); } }, qty: function(doc, cdt, cdn) { this.calculate_taxes_and_totals(); }, tax_rate: function(doc, cdt, cdn) { this.calculate_taxes_and_totals(); }, row_id: function(doc, cdt, cdn) { var tax = wn.model.get_doc(cdt, cdn); try { this.validate_on_previous_row(tax); this.calculate_taxes_and_totals(); } catch(e) { tax.row_id = null; refresh_field("row_id", tax.name, tax.parentfield); throw e; } }, set_dynamic_labels: function() { // What TODO? should we make price list system non-mandatory? this.frm.toggle_reqd("plc_conversion_rate", !!(this.frm.doc.price_list_name && this.frm.doc.price_list_currency)); var company_currency = this.get_company_currency(); this.change_form_labels(company_currency); this.change_grid_labels(company_currency); this.frm.refresh_fields(); }, recalculate: function() { this.calculate_taxes_and_totals(); }, recalculate_values: function() { this.calculate_taxes_and_totals(); }, calculate_charges: function() { this.calculate_taxes_and_totals(); }, included_in_print_rate: function(doc, cdt, cdn) { var tax = wn.model.get_doc(cdt, cdn); try { this.validate_on_previous_row(tax); this.validate_inclusive_tax(tax); this.calculate_taxes_and_totals(); } catch(e) { tax.included_in_print_rate = 0; refresh_field("included_in_print_rate", tax.name, tax.parentfield); throw e; } }, validate_on_previous_row: function(tax) { // validate if a valid row id is mentioned in case of // On Previous Row Amount and On Previous Row Total if((["On Previous Row Amount", "On Previous Row Total"].indexOf(tax.charge_type) != -1) && (!tax.row_id || cint(tax.row_id) >= tax.idx)) { var msg = repl(wn._("Row") + " # %(idx)s [%(doctype)s]: " + wn._("Please specify a valid") + " %(row_id_label)s", { idx: tax.idx, doctype: tax.doctype, row_id_label: wn.meta.get_label(tax.doctype, "row_id", tax.name) }); msgprint(msg); throw msg; } }, validate_inclusive_tax: function(tax) { if(!this.frm.tax_doclist) this.frm.tax_doclist = this.get_tax_doclist(); var actual_type_error = function() { var msg = repl(wn._("For row") + " # %(idx)s [%(doctype)s]: " + "%(charge_type_label)s = \"%(charge_type)s\" " + wn._("cannot be included in Item's rate"), { idx: tax.idx, doctype: tax.doctype, charge_type_label: wn.meta.get_label(tax.doctype, "charge_type", tax.name), charge_type: tax.charge_type }); msgprint(msg); throw msg; }; var on_previous_row_error = function(row_range) { var msg = repl(wn._("For row") + " # %(idx)s [%(doctype)s]: " + wn._("to be included in Item's rate, it is required that: ") + " [" + wn._("Row") + " # %(row_range)s] " + wn._("also be included in Item's rate"), { idx: tax.idx, doctype: tax.doctype, charge_type_label: wn.meta.get_label(tax.doctype, "charge_type", tax.name), charge_type: tax.charge_type, inclusive_label: wn.meta.get_label(tax.doctype, "included_in_print_rate", tax.name), row_range: row_range, }); msgprint(msg); throw msg; }; if(cint(tax.included_in_print_rate)) { if(tax.charge_type == "Actual") { // inclusive tax cannot be of type Actual actual_type_error(); } else if(tax.charge_type == "On Previous Row Amount" && !cint(this.frm.tax_doclist[tax.row_id - 1].included_in_print_rate)) { // referred row should also be an inclusive tax on_previous_row_error(tax.row_id); } else if(tax.charge_type == "On Previous Row Total") { var taxes_not_included = $.map(this.frm.tax_doclist.slice(0, tax.row_id), function(t) { return cint(t.included_in_print_rate) ? null : t; }); if(taxes_not_included.length > 0) { // all rows above this tax should be inclusive on_previous_row_error(tax.row_id == 1 ? "1" : "1 - " + tax.row_id); } } } }, _load_item_tax_rate: function(item_tax_rate) { return item_tax_rate ? JSON.parse(item_tax_rate) : {}; }, _get_tax_rate: function(tax, item_tax_map) { return (keys(item_tax_map).indexOf(tax.account_head) != -1) ? flt(item_tax_map[tax.account_head], precision("rate", tax)) : tax.rate; }, get_item_wise_taxes_html: function() { var item_tax = {}; var tax_accounts = []; var company_currency = this.get_company_currency(); $.each(this.get_tax_doclist(), function(i, tax) { var tax_amount_precision = precision("tax_amount", tax); var tax_rate_precision = precision("rate", tax); $.each(JSON.parse(tax.item_wise_tax_detail || '{}'), function(item_code, tax_data) { if(!item_tax[item_code]) item_tax[item_code] = {}; if($.isArray(tax_data)) { var tax_rate = tax_data[0] == null ? "" : (flt(tax_data[0], tax_rate_precision) + "%"), tax_amount = format_currency(flt(tax_data[1], tax_amount_precision), company_currency); item_tax[item_code][tax.name] = [tax_rate, tax_amount]; } else { item_tax[item_code][tax.name] = [flt(tax_data, tax_rate_precision) + "%", ""]; } }); tax_accounts.push([tax.name, tax.account_head]); }); var headings = $.map([wn._("Item Name")].concat($.map(tax_accounts, function(head) { return head[1]; })), function(head) { return '' + (head || "") + "" }).join("\n"); var rows = $.map(this.get_item_doclist(), function(item) { var item_tax_record = item_tax[item.item_code || item.item_name]; if(!item_tax_record) { return null; } return repl("%(item_name)s%(taxes)s", { item_name: item.item_name, taxes: $.map(tax_accounts, function(head) { return item_tax_record[head[0]] ? "(" + item_tax_record[head[0]][0] + ") " + item_tax_record[head[0]][1] + "" : ""; }).join("\n") }); }).join("\n"); if(!rows) return ""; return '
\ ' + headings + ' \ ' + rows + ' \
'; }, _validate_before_fetch: function(fieldname) { var me = this; if(!me.frm.doc[fieldname]) { return (wn._("Please specify") + ": " + wn.meta.get_label(me.frm.doc.doctype, fieldname, me.frm.doc.name) + ". " + wn._("It is needed to fetch Item Details.")); } return null; }, validate_company_and_party: function(party_field) { var me = this; var valid = true; var msg = ""; $.each(["company", party_field], function(i, fieldname) { var msg_for_fieldname = me._validate_before_fetch(fieldname); if(msg_for_fieldname) { msgprint(msg_for_fieldname); valid = false; } }); return valid; }, get_item_doclist: function() { return wn.model.get_doclist(this.frm.doc.doctype, this.frm.doc.name, {parentfield: this.fname}); }, get_tax_doclist: function() { return wn.model.get_doclist(this.frm.doc.doctype, this.frm.doc.name, {parentfield: this.other_fname}); }, validate_conversion_rate: function() { this.frm.doc.conversion_rate = flt(this.frm.doc.conversion_rate, precision("conversion_rate")); var conversion_rate_label = wn.meta.get_label(this.frm.doc.doctype, "conversion_rate", this.frm.doc.name); if(this.frm.doc.conversion_rate == 0) { wn.throw(wn._(conversion_rate_label) + " " + wn._("cannot be 0")); } var company_currency = this.get_company_currency(); var valid_conversion_rate = this.frm.doc.conversion_rate ? ((this.frm.doc.currency == company_currency && this.frm.doc.conversion_rate == 1.0) || (this.frm.doc.currency != company_currency && this.frm.doc.conversion_rate != 1.0)) : false; if(!valid_conversion_rate) { wn.throw(wn._("Please enter valid") + " " + wn._(conversion_rate_label) + " 1 " + this.frm.doc.currency + " = [?] " + company_currency); } }, calculate_taxes_and_totals: function() { this.validate_conversion_rate(); this.frm.item_doclist = this.get_item_doclist(); this.frm.tax_doclist = this.get_tax_doclist(); this.calculate_item_values(); this.initialize_taxes(); this.determine_exclusive_rate && this.determine_exclusive_rate(); this.calculate_net_total(); this.calculate_taxes(); this.calculate_totals(); this._cleanup(); this.show_item_wise_taxes(); }, initialize_taxes: function() { var me = this; $.each(this.frm.tax_doclist, function(i, tax) { tax.item_wise_tax_detail = {}; $.each(["tax_amount", "total", "tax_amount_for_current_item", "grand_total_for_current_item", "tax_fraction_for_current_item", "grand_total_fraction_for_current_item"], function(i, fieldname) { tax[fieldname] = 0.0 }); me.validate_on_previous_row(tax); me.validate_inclusive_tax(tax); wn.model.round_floats_in(tax); }); }, calculate_taxes: function() { var me = this; $.each(this.frm.item_doclist, function(n, item) { var item_tax_map = me._load_item_tax_rate(item.item_tax_rate); $.each(me.frm.tax_doclist, function(i, tax) { // tax_amount represents the amount of tax for the current step var current_tax_amount = me.get_current_tax_amount(item, tax, item_tax_map); me.set_item_tax_amount && me.set_item_tax_amount(item, tax, current_tax_amount); // case when net total is 0 but there is an actual type charge // in this case add the actual amount to tax.tax_amount // and tax.grand_total_for_current_item for the first such iteration if(tax.charge_type == "Actual" && !(current_tax_amount || me.frm.doc.net_total || tax.tax_amount)) { var zero_net_total_adjustment = flt(tax.rate, precision("tax_amount", tax)); current_tax_amount += zero_net_total_adjustment; } // store tax_amount for current item as it will be used for // charge type = 'On Previous Row Amount' tax.tax_amount_for_current_item = current_tax_amount; // accumulate tax amount into tax.tax_amount tax.tax_amount += current_tax_amount; // for buying if(tax.category) { // if just for valuation, do not add the tax amount in total // hence, setting it as 0 for further steps current_tax_amount = (tax.category == "Valuation") ? 0.0 : current_tax_amount; current_tax_amount *= (tax.add_deduct_tax == "Deduct") ? -1.0 : 1.0; } // Calculate tax.total viz. grand total till that step // note: grand_total_for_current_item contains the contribution of // item's amount, previously applied tax and the current tax on that item if(i==0) { tax.grand_total_for_current_item = flt(item.amount + current_tax_amount, precision("total", tax)); } else { tax.grand_total_for_current_item = flt(me.frm.tax_doclist[i-1].grand_total_for_current_item + current_tax_amount, precision("total", tax)); } // in tax.total, accumulate grand total for each item tax.total += tax.grand_total_for_current_item; }); }); }, get_current_tax_amount: function(item, tax, item_tax_map) { var tax_rate = this._get_tax_rate(tax, item_tax_map); var current_tax_amount = 0.0; if(tax.charge_type == "Actual") { // distribute the tax amount proportionally to each item row var actual = flt(tax.rate, precision("tax_amount", tax)); current_tax_amount = this.frm.doc.net_total ? ((item.amount / this.frm.doc.net_total) * actual) : 0.0; } else if(tax.charge_type == "On Net Total") { current_tax_amount = (tax_rate / 100.0) * item.amount; } else if(tax.charge_type == "On Previous Row Amount") { current_tax_amount = (tax_rate / 100.0) * this.frm.tax_doclist[cint(tax.row_id) - 1].tax_amount_for_current_item; } else if(tax.charge_type == "On Previous Row Total") { current_tax_amount = (tax_rate / 100.0) * this.frm.tax_doclist[cint(tax.row_id) - 1].grand_total_for_current_item; } current_tax_amount = flt(current_tax_amount, precision("tax_amount", tax)); // store tax breakup for each item tax.item_wise_tax_detail[item.item_code || item.item_name] = [tax_rate, current_tax_amount]; return current_tax_amount; }, _cleanup: function() { $.each(this.frm.tax_doclist, function(i, tax) { $.each(["tax_amount_for_current_item", "grand_total_for_current_item", "tax_fraction_for_current_item", "grand_total_fraction_for_current_item"], function(i, fieldname) { delete tax[fieldname]; }); tax.item_wise_tax_detail = JSON.stringify(tax.item_wise_tax_detail); }); }, calculate_total_advance: function(parenttype, advance_parentfield) { if(this.frm.doc.doctype == parenttype && this.frm.doc.docstatus < 2) { var advance_doclist = wn.model.get_doclist(this.frm.doc.doctype, this.frm.doc.name, {parentfield: advance_parentfield}); this.frm.doc.total_advance = flt(wn.utils.sum( $.map(advance_doclist, function(adv) { return adv.allocated_amount }) ), precision("total_advance")); this.calculate_outstanding_amount(); } }, _set_in_company_currency: function(item, print_field, base_field) { // set values in base currency item[base_field] = flt(item[print_field] * this.frm.doc.conversion_rate, precision(base_field, item)); }, get_terms: function() { var me = this; if(this.frm.doc.tc_name) { return this.frm.call({ method: "webnotes.client.get_value", args: { doctype: "Terms and Conditions", fieldname: "terms", filters: { name: this.frm.doc.tc_name }, }, }); } }, });