brotherton-erpnext/public/js/transaction.js

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// ERPNext - web based ERP (http://erpnext.com)
// Copyright (C) 2012 Web Notes Technologies Pvt Ltd
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
wn.provide("erpnext");
erpnext.TransactionController = wn.ui.form.Controller.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);
});
}
},
refresh: function() {
this.frm.clear_custom_buttons();
erpnext.hide_naming_series();
erpnext.hide_company();
this.show_item_wise_taxes();
this.frm.fields_dict.currency ? this.currency() : this.set_dynamic_labels();
},
onload_post_render: function() {
if(this.frm.doc.__islocal && this.frm.doc.company) {
var me = this;
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.frm.refresh();
}
});
}
},
validate: function() {
this.calculate_taxes_and_totals();
},
company: function() {
if(this.frm.doc.company && this.frm.fields_dict.currency) {
var me = this;
var company_currency = this.get_company_currency();
$.each(["currency", "price_list_currency"], function(i, fieldname) {
if(!me.doc[fieldname]) {
me.frm.set_value(fieldname, company_currency);
me[fieldname]();
}
});
}
},
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.doc.conversion_rate !== 1.0) {
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) {
this.frm.call({
method: "setup.utils.get_price_list_currency",
args: { args: {
price_list_name: this.frm.doc.price_list_name,
buying_or_selling: buying_or_selling
}},
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);
2013-06-25 05:26:39 +00:00
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);
},
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.account_head] = [tax_rate, tax_amount];
} else {
item_tax[item_code][tax.account_head] = [flt(tax_data, tax_rate_precision) + "%", ""];
}
});
tax_accounts.push(tax.account_head);
});
var headings = $.map([wn._("Item Name")].concat(tax_accounts),
function(head) { return '<th style="min-width: 100px;">' + (head || "") + "</th>" }).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("<tr><td>%(item_name)s</td>%(taxes)s</tr>", {
item_name: item.item_name,
taxes: $.map(tax_accounts, function(head) {
return "<td>(" + item_tax_record[head][0] + ") " + item_tax_record[head][1] + "</td>"
}).join("\n")
});
}).join("\n");
if(!rows) return "";
return '<div style="overflow-x: scroll;"><table class="table table-bordered table-hover">\
<thead><tr>' + headings + '</tr></thead> \
<tbody>' + rows + '</tbody> \
</table></div>';
},
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);
}
});
},
_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) {
this.frm.call({
method: "webnotes.client.get_value",
args: {
doctype: "Terms and Conditions",
fieldname: "terms",
filters: { name: this.frm.doc.tc_name },
},
});
}
},
});