brotherton-erpnext/erpnext/selling/page/point_of_sale/point_of_sale.js

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/* global Clusterize */
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frappe.provide('erpnext.pos');
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frappe.pages['point-of-sale'].on_page_load = function(wrapper) {
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frappe.ui.make_app_page({
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parent: wrapper,
title: 'Point of Sale',
single_column: true
});
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frappe.db.get_value('POS Settings', {name: 'POS Settings'}, 'is_online', (r) => {
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if (r && !cint(r.use_pos_in_offline_mode)) {
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// online
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wrapper.pos = new erpnext.pos.PointOfSale(wrapper);
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window.cur_pos = wrapper.pos;
} else {
// offline
frappe.flags.is_offline = true;
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frappe.set_route('pos');
}
});
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};
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frappe.pages['point-of-sale'].refresh = function(wrapper) {
if (wrapper.pos) {
wrapper.pos.make_new_invoice();
}
if (frappe.flags.is_offline) {
frappe.set_route('pos');
}
}
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erpnext.pos.PointOfSale = class PointOfSale {
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constructor(wrapper) {
this.wrapper = $(wrapper).find('.layout-main-section');
this.page = wrapper.page;
const assets = [
'assets/erpnext/js/pos/clusterize.js',
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'assets/erpnext/css/pos.css'
];
frappe.require(assets, () => {
this.make();
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});
}
make() {
return frappe.run_serially([
() => frappe.dom.freeze(),
() => {
this.prepare_dom();
this.prepare_menu();
this.set_online_status();
},
() => this.setup_company(),
() => this.make_new_invoice(),
() => {
frappe.dom.unfreeze();
},
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() => this.page.set_title(__('Point of Sale'))
]);
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}
set_online_status() {
this.connection_status = false;
this.page.set_indicator(__("Offline"), "grey");
frappe.call({
method: "frappe.handler.ping",
callback: r => {
if (r.message) {
this.connection_status = true;
this.page.set_indicator(__("Online"), "green");
}
}
});
}
prepare_dom() {
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this.wrapper.append(`
<div class="pos">
<section class="cart-container">
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</section>
<section class="item-container">
</section>
</div>
`);
}
make_cart() {
this.cart = new POSCart({
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frm: this.frm,
wrapper: this.wrapper.find('.cart-container'),
events: {
on_customer_change: (customer) => {
this.frm.set_value('customer', customer);
},
on_field_change: (item_code, field, value, batch_no) => {
this.update_item_in_cart(item_code, field, value, batch_no);
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},
on_numpad: (value) => {
if (value == __('Pay')) {
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if (!this.payment) {
this.make_payment_modal();
} else {
this.frm.doc.payments.map(p => {
this.payment.dialog.set_value(p.mode_of_payment, p.amount);
});
this.payment.set_title();
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}
this.payment.open_modal();
}
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},
on_select_change: () => {
this.cart.numpad.set_inactive();
this.set_form_action();
},
get_item_details: (item_code) => {
return this.items.get(item_code);
},
get_loyalty_details: () => {
var me = this;
if (this.frm.doc.customer) {
frappe.call({
method: "erpnext.accounts.doctype.loyalty_program.loyalty_program.get_loyalty_program_details",
args: {
"customer": me.frm.doc.customer,
"expiry_date": me.frm.doc.posting_date,
"company": me.frm.doc.company,
"silent": true
},
callback: function(r) {
if (r.message.loyalty_program && r.message.loyalty_points) {
me.cart.events.set_loyalty_details(r.message, true);
}
if (!r.message.loyalty_program) {
var loyalty_details = {
loyalty_points: 0,
loyalty_program: '',
expense_account: '',
cost_center: ''
}
me.cart.events.set_loyalty_details(loyalty_details, false);
}
}
});
}
},
set_loyalty_details: (details, view_status) => {
if (view_status) {
this.cart.available_loyalty_points.$wrapper.removeClass("hide");
} else {
this.cart.available_loyalty_points.$wrapper.addClass("hide");
}
this.cart.available_loyalty_points.set_value(details.loyalty_points);
this.cart.available_loyalty_points.refresh_input();
this.frm.set_value("loyalty_program", details.loyalty_program);
this.frm.set_value("loyalty_redemption_account", details.expense_account);
this.frm.set_value("loyalty_redemption_cost_center", details.cost_center);
}
}
});
frappe.ui.form.on('Sales Invoice', 'selling_price_list', (frm) => {
if(this.items && frm.doc.pos_profile) {
this.items.reset_items();
}
})
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}
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toggle_editing(flag) {
let disabled;
if (flag !== undefined) {
disabled = !flag;
} else {
disabled = this.frm.doc.docstatus == 1 ? true: false;
}
const pointer_events = disabled ? 'none' : 'inherit';
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this.wrapper.find('input, button, select').prop("disabled", disabled);
this.wrapper.find('.number-pad-container').toggleClass("hide", disabled);
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this.wrapper.find('.cart-container').css('pointer-events', pointer_events);
this.wrapper.find('.item-container').css('pointer-events', pointer_events);
this.page.clear_actions();
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}
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make_items() {
this.items = new POSItems({
wrapper: this.wrapper.find('.item-container'),
frm: this.frm,
events: {
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update_cart: (item, field, value) => {
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if(!this.frm.doc.customer) {
frappe.throw(__('Please select a customer'));
}
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this.update_item_in_cart(item, field, value);
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this.cart && this.cart.unselect_all();
}
}
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});
}
update_item_in_cart(item_code, field='qty', value=1, batch_no) {
frappe.dom.freeze();
if(this.cart.exists(item_code, batch_no)) {
const search_field = batch_no ? 'batch_no' : 'item_code';
const search_value = batch_no || item_code;
const item = this.frm.doc.items.find(i => i[search_field] === search_value);
frappe.flags.hide_serial_batch_dialog = false;
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if (typeof value === 'string' && !in_list(['serial_no', 'batch_no'], field)) {
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// value can be of type '+1' or '-1'
value = item[field] + flt(value);
}
if(field === 'serial_no') {
value = item.serial_no + '\n'+ value;
}
// if actual_batch_qty and actual_qty if there is only one batch. In such
// a case, no point showing the dialog
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const show_dialog = item.has_serial_no || item.has_batch_no;
if (show_dialog && field == 'qty' && ((!item.batch_no && item.has_batch_no) ||
(item.has_serial_no) || (item.actual_batch_qty != item.actual_qty)) ) {
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this.select_batch_and_serial_no(item);
} else {
this.update_item_in_frm(item, field, value)
.then(() => {
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this.frm.doc.items.forEach(item_row => {
// update cart
frappe.run_serially([
() => this.update_cart_data(item_row),
() => this.set_form_action()
]);
});
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});
}
return;
}
let args = { item_code: item_code };
if (in_list(['serial_no', 'batch_no'], field)) {
args[field] = value;
}
// add to cur_frm
const item = this.frm.add_child('items', args);
frappe.flags.hide_serial_batch_dialog = true;
frappe.run_serially([
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() => {
this.frm.script_manager.trigger('item_code', item.doctype, item.name)
.then(() => {
this.frm.script_manager.trigger('qty', item.doctype, item.name)
.then(() => {
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this.frm.doc.items.forEach(item => {
this.update_cart_data(item);
});
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});
});
},
() => {
const show_dialog = item.has_serial_no || item.has_batch_no;
// if actual_batch_qty and actual_qty if then there is only one batch. In such
// a case, no point showing the dialog
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if (show_dialog && field == 'qty' && ((!item.batch_no && item.has_batch_no) ||
(item.has_serial_no) || (item.actual_batch_qty != item.actual_qty)) ) {
// check has serial no/batch no and update cart
this.select_batch_and_serial_no(item);
}
}
]);
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}
select_batch_and_serial_no(row) {
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frappe.dom.unfreeze();
erpnext.show_serial_batch_selector(this.frm, row, () => {
this.frm.doc.items.forEach(item => {
this.update_item_in_frm(item, 'qty', item.qty)
.then(() => {
// update cart
frappe.run_serially([
() => {
if (item.qty === 0) {
frappe.model.clear_doc(item.doctype, item.name);
}
},
() => this.update_cart_data(item)
]);
});
})
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}, () => {
this.on_close(row);
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}, true);
}
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on_close(item) {
if (!this.cart.exists(item.item_code, item.batch_no) && item.qty) {
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frappe.model.clear_doc(item.doctype, item.name);
}
}
update_cart_data(item) {
this.cart.add_item(item);
this.cart.update_taxes_and_totals();
this.cart.update_grand_total();
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this.cart.update_qty_total();
frappe.dom.unfreeze();
}
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update_item_in_frm(item, field, value) {
if (field == 'qty' && value < 0) {
frappe.msgprint(__("Quantity must be positive"));
value = item.qty;
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} else {
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if (in_list(["qty", "serial_no", "batch"], field)) {
item[field] = value;
if (field == "serial_no" && value) {
let serial_nos = value.split("\n");
item["qty"] = serial_nos.filter(d => {
return d!=="";
}).length;
}
} else {
return frappe.model.set_value(item.doctype, item.name, field, value);
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}
}
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return this.frm.script_manager.trigger('qty', item.doctype, item.name)
.then(() => {
if (field === 'qty' && item.qty === 0) {
frappe.model.clear_doc(item.doctype, item.name);
}
})
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return Promise.resolve();
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}
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make_payment_modal() {
this.payment = new Payment({
frm: this.frm,
events: {
submit_form: () => {
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this.submit_sales_invoice();
}
}
});
}
submit_sales_invoice() {
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this.frm.savesubmit()
.then((r) => {
if (r && r.doc) {
this.frm.doc.docstatus = r.doc.docstatus;
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frappe.show_alert({
indicator: 'green',
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message: __(`Sales invoice ${r.doc.name} created succesfully`)
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});
this.toggle_editing();
this.set_form_action();
this.set_primary_action_in_modal();
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}
});
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}
set_primary_action_in_modal() {
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if (!this.frm.msgbox) {
this.frm.msgbox = frappe.msgprint(
`<a class="btn btn-primary" onclick="cur_frm.print_preview.printit(true)" style="margin-right: 5px;">
${__('Print')}</a>
<a class="btn btn-default">
${__('New')}</a>`
);
$(this.frm.msgbox.body).find('.btn-default').on('click', () => {
this.frm.msgbox.hide();
this.make_new_invoice();
})
}
}
change_pos_profile() {
return new Promise((resolve) => {
const on_submit = ({ pos_profile, set_as_default }) => {
if (pos_profile) {
this.pos_profile = pos_profile;
}
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if (set_as_default) {
frappe.call({
method: "erpnext.accounts.doctype.pos_profile.pos_profile.set_default_profile",
args: {
'pos_profile': pos_profile,
'company': this.frm.doc.company
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}
}).then(() => {
this.on_change_pos_profile();
});
} else {
this.on_change_pos_profile();
}
}
frappe.prompt(this.get_prompt_fields(),
on_submit,
__('Select POS Profile')
);
});
}
on_change_pos_profile() {
return frappe.run_serially([
() => this.make_sales_invoice_frm(),
() => {
this.frm.doc.pos_profile = this.pos_profile;
this.set_pos_profile_data()
.then(() => {
this.reset_cart();
if (this.items) {
this.items.reset_items();
}
});
}
]);
}
get_prompt_fields() {
return [{
fieldtype: 'Link',
label: __('POS Profile'),
options: 'POS Profile',
fieldname: 'pos_profile',
reqd: 1,
get_query: () => {
return {
query: 'erpnext.accounts.doctype.pos_profile.pos_profile.pos_profile_query',
filters: {
company: this.frm.doc.company
}
};
}
}, {
fieldtype: 'Check',
label: __('Set as default'),
fieldname: 'set_as_default'
}];
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}
setup_company() {
this.company = frappe.sys_defaults.company;
return new Promise(resolve => {
if(!this.company) {
frappe.prompt({fieldname:"company", options: "Company", fieldtype:"Link",
label: __("Select Company"), reqd: 1}, (data) => {
this.company = data.company;
resolve(this.company);
}, __("Select Company"));
} else {
resolve(this.company);
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}
})
}
make_new_invoice() {
return frappe.run_serially([
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() => this.make_sales_invoice_frm(),
() => this.set_pos_profile_data(),
() => {
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if (this.cart) {
this.cart.frm = this.frm;
this.cart.reset();
} else {
this.make_items();
this.make_cart();
}
this.toggle_editing(true);
},
]);
}
reset_cart() {
this.cart.frm = this.frm;
this.cart.reset();
this.items.reset_search_field();
}
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make_sales_invoice_frm() {
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const doctype = 'Sales Invoice';
return new Promise(resolve => {
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if (this.frm) {
this.frm = get_frm(this.frm);
resolve();
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} else {
frappe.model.with_doctype(doctype, () => {
this.frm = get_frm();
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resolve();
});
}
});
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function get_frm(_frm) {
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const page = $('<div>');
const frm = _frm || new _f.Frm(doctype, page, false);
const name = frappe.model.make_new_doc_and_get_name(doctype, true);
frm.refresh(name);
frm.doc.items = [];
frm.doc.is_pos = 1;
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return frm;
}
}
set_pos_profile_data() {
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this.frm.doc.company = this.company;
return new Promise(resolve => {
return this.frm.call({
doc: this.frm.doc,
method: "set_missing_values",
}).then((r) => {
if(!r.exc) {
if (!this.frm.doc.pos_profile) {
frappe.dom.unfreeze();
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setTimeout(() => frappe.set_route('List', 'POS Profile'), 2000);
frappe.throw(__("POS Profile is required to use Point-of-Sale"));
}
this.frm.script_manager.trigger("update_stock");
frappe.model.set_default_values(this.frm.doc);
this.frm.cscript.calculate_taxes_and_totals();
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if (r.message) {
this.frm.meta.default_print_format = r.message.print_format || "";
this.frm.allow_edit_rate = r.message.allow_edit_rate;
this.frm.allow_edit_discount = r.message.allow_edit_discount;
this.frm.doc.campaign = r.message.campaign;
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}
}
resolve();
});
});
}
prepare_menu() {
var me = this;
this.page.clear_menu();
// for mobile
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// this.page.add_menu_item(__("Pay"), function () {
//
// }).addClass('visible-xs');
this.page.add_menu_item(__("Form View"), function () {
frappe.model.sync(me.frm.doc);
frappe.set_route("Form", me.frm.doc.doctype, me.frm.doc.name);
});
this.page.add_menu_item(__("POS Profile"), function () {
frappe.set_route('List', 'POS Profile');
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});
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this.page.add_menu_item(__('POS Settings'), function() {
frappe.set_route('Form', 'POS Settings');
});
this.page.add_menu_item(__('Change POS Profile'), function() {
me.change_pos_profile();
});
this.page.add_menu_item(__('Close the POS'), function() {
var voucher = frappe.model.get_new_doc('POS Closing Voucher');
voucher.pos_profile = me.frm.doc.pos_profile;
voucher.user = frappe.session.user;
voucher.company = me.frm.doc.company;
voucher.period_start_date = me.frm.doc.posting_date;
voucher.period_end_date = me.frm.doc.posting_date;
voucher.posting_date = me.frm.doc.posting_date;
frappe.set_route('Form', 'POS Closing Voucher', voucher.name);
});
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}
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set_form_action() {
if(this.frm.doc.docstatus == 1 || (this.frm.doc.allow_print_before_pay == 1&&this.frm.doc.items.length>0)){
this.page.set_secondary_action(__("Print"), async() => {
if(this.frm.doc.docstatus != 1 ){
await this.frm.save();
}
this.frm.print_preview.printit(true);
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});
}
if(this.frm.doc.items.length == 0){
this.page.clear_secondary_action();
}
if (this.frm.doc.docstatus == 1) {
this.page.set_primary_action(__("New"), () => {
this.make_new_invoice();
});
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this.page.add_menu_item(__("Email"), () => {
this.frm.email_doc();
});
}
}
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};
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const [Qty,Disc,Rate,Del,Pay] = [__("Qty"), __('Disc'), __('Rate'), __('Del'), __('Pay')];
class POSCart {
constructor({frm, wrapper, events}) {
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this.frm = frm;
this.item_data = {};
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this.wrapper = wrapper;
this.events = events;
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this.make();
this.bind_events();
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}
make() {
this.make_dom();
this.make_customer_field();
this.make_loyalty_points();
this.make_numpad();
}
make_dom() {
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this.wrapper.append(`
<div class="pos-cart">
<div class="customer-field">
</div>
<div class="cart-wrapper">
<div class="list-item-table">
<div class="list-item list-item--head">
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<div class="list-item__content list-item__content--flex-1.5 text-muted">${__('Item Name')}</div>
<div class="list-item__content text-muted text-right">${__('Quantity')}</div>
<div class="list-item__content text-muted text-right">${__('Discount')}</div>
<div class="list-item__content text-muted text-right">${__('Rate')}</div>
</div>
<div class="cart-items">
<div class="empty-state">
<span>${__('No Items added to cart')}</span>
</div>
</div>
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<div class="taxes-and-totals">
${this.get_taxes_and_totals()}
</div>
<div class="discount-amount">`+
(!this.frm.allow_edit_discount ? `` : `${this.get_discount_amount()}`)+
`</div>
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<div class="grand-total">
${this.get_grand_total()}
</div>
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<div class="quantity-total">
${this.get_item_qty_total()}
</div>
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</div>
</div>
<div class="row">
<div class="number-pad-container col-sm-6"></div>
<div class="col-sm-6 loyalty-program-section">
<div class="loyalty-program-field"> </div>
</div>
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</div>
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</div>
`);
this.$cart_items = this.wrapper.find('.cart-items');
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this.$empty_state = this.wrapper.find('.cart-items .empty-state');
this.$taxes_and_totals = this.wrapper.find('.taxes-and-totals');
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this.$discount_amount = this.wrapper.find('.discount-amount');
this.$grand_total = this.wrapper.find('.grand-total');
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this.$qty_total = this.wrapper.find('.quantity-total');
// this.$loyalty_button = this.wrapper.find('.loyalty-button');
// this.$loyalty_button.on('click', () => {
// this.loyalty_button.show();
// })
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this.toggle_taxes_and_totals(false);
this.$grand_total.on('click', () => {
this.toggle_taxes_and_totals();
});
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}
reset() {
this.$cart_items.find('.list-item').remove();
this.$empty_state.show();
this.$taxes_and_totals.html(this.get_taxes_and_totals());
this.numpad && this.numpad.reset_value();
this.customer_field.set_value("");
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this.frm.msgbox = "";
let total_item_qty = 0.0;
this.frm.set_value("pos_total_qty",total_item_qty);
this.$discount_amount.find('input:text').val('');
this.wrapper.find('.grand-total-value').text(
format_currency(this.frm.doc.grand_total, this.frm.currency));
this.wrapper.find('.rounded-total-value').text(
format_currency(this.frm.doc.rounded_total, this.frm.currency));
this.$qty_total.find(".quantity-total").text(total_item_qty);
const customer = this.frm.doc.customer;
this.customer_field.set_value(customer);
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}
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get_grand_total() {
let total = this.get_total_template('Grand Total', 'grand-total-value');
if (!cint(frappe.sys_defaults.disable_rounded_total)) {
total += this.get_total_template('Rounded Total', 'rounded-total-value');
}
return total;
}
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get_item_qty_total() {
let total = this.get_total_template('Total Qty', 'quantity-total');
return total;
}
get_total_template(label, class_name) {
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return `
<div class="list-item">
<div class="list-item__content text-muted">${__(label)}</div>
<div class="list-item__content list-item__content--flex-2 ${class_name}">0.00</div>
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</div>
`;
}
get_discount_amount() {
const get_currency_symbol = window.get_currency_symbol;
return `
<div class="list-item">
<div class="list-item__content list-item__content--flex-2 text-muted">${__('Discount')}</div>
<div class="list-item__content discount-inputs">
<input type="text"
class="form-control additional_discount_percentage text-right"
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placeholder="% 0.00"
>
<input type="text"
class="form-control discount_amount text-right"
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placeholder="${get_currency_symbol(this.frm.doc.currency)} 0.00"
>
</div>
</div>
`;
}
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get_taxes_and_totals() {
return `
<div class="list-item">
<div class="list-item__content list-item__content--flex-2 text-muted">${__('Net Total')}</div>
<div class="list-item__content net-total">0.00</div>
</div>
<div class="list-item">
<div class="list-item__content list-item__content--flex-2 text-muted">${__('Taxes')}</div>
<div class="list-item__content taxes">0.00</div>
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</div>
`;
}
toggle_taxes_and_totals(flag) {
if (flag !== undefined) {
this.tax_area_is_shown = flag;
} else {
this.tax_area_is_shown = !this.tax_area_is_shown;
}
this.$taxes_and_totals.toggle(this.tax_area_is_shown);
this.$discount_amount.toggle(this.tax_area_is_shown);
}
update_taxes_and_totals() {
if (!this.frm.doc.taxes) { return; }
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const currency = this.frm.doc.currency;
this.frm.refresh_field('taxes');
// Update totals
this.$taxes_and_totals.find('.net-total')
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.html(format_currency(this.frm.doc.total, currency));
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// Update taxes
const taxes_html = this.frm.doc.taxes.map(tax => {
return `
<div>
<span>${tax.description}</span>
<span class="text-right bold">
${format_currency(tax.tax_amount, currency)}
</span>
</div>
`;
}).join("");
this.$taxes_and_totals.find('.taxes').html(taxes_html);
}
update_grand_total() {
this.$grand_total.find('.grand-total-value').text(
format_currency(this.frm.doc.grand_total, this.frm.currency)
);
this.$grand_total.find('.rounded-total-value').text(
format_currency(this.frm.doc.rounded_total, this.frm.currency)
);
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}
update_qty_total() {
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var total_item_qty = 0;
$.each(this.frm.doc["items"] || [], function (i, d) {
if (d.qty > 0) {
total_item_qty += d.qty;
}
});
this.$qty_total.find('.quantity-total').text(total_item_qty);
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this.frm.set_value("pos_total_qty",total_item_qty);
}
make_customer_field() {
this.customer_field = frappe.ui.form.make_control({
df: {
fieldtype: 'Link',
label: 'Customer',
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fieldname: 'customer',
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options: 'Customer',
reqd: 1,
get_query: function() {
return {
query: 'erpnext.controllers.queries.customer_query'
}
},
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onchange: () => {
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this.events.on_customer_change(this.customer_field.get_value());
this.events.get_loyalty_details();
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}
},
parent: this.wrapper.find('.customer-field'),
render_input: true
});
this.customer_field.set_value(this.frm.doc.customer);
}
make_loyalty_points() {
this.available_loyalty_points = frappe.ui.form.make_control({
df: {
fieldtype: 'Int',
label: 'Available Loyalty Points',
read_only: 1,
fieldname: 'available_loyalty_points'
},
parent: this.wrapper.find('.loyalty-program-field')
});
this.available_loyalty_points.set_value(this.frm.doc.loyalty_points);
}
disable_numpad_control() {
let disabled_btns = [];
if(!this.frm.allow_edit_rate) {
disabled_btns.push(__('Rate'));
}
if(!this.frm.allow_edit_discount) {
disabled_btns.push(__('Disc'));
}
return disabled_btns;
}
make_numpad() {
var pay_class = {}
pay_class[__('Pay')]='brand-primary'
this.numpad = new NumberPad({
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button_array: [
[1, 2, 3, Qty],
[4, 5, 6, Disc],
[7, 8, 9, Rate],
[Del, 0, '.', Pay]
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],
add_class: pay_class,
disable_highlight: [Qty, Disc, Rate, Pay],
reset_btns: [Qty, Disc, Rate, Pay],
del_btn: Del,
disable_btns: this.disable_numpad_control(),
wrapper: this.wrapper.find('.number-pad-container'),
onclick: (btn_value) => {
// on click
if (!this.selected_item && btn_value !== Pay) {
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frappe.show_alert({
indicator: 'red',
message: __('Please select an item in the cart')
});
return;
}
if ([Qty, Disc, Rate].includes(btn_value)) {
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this.set_input_active(btn_value);
} else if (btn_value !== Pay) {
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if (!this.selected_item.active_field) {
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frappe.show_alert({
indicator: 'red',
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message: __('Please select a field to edit from numpad')
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});
return;
}
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if (this.selected_item.active_field == 'discount_percentage' && this.numpad.get_value() > cint(100)) {
frappe.show_alert({
indicator: 'red',
message: __('Discount amount cannot be greater than 100%')
});
this.numpad.reset_value();
} else {
const item_code = unescape(this.selected_item.attr('data-item-code'));
const batch_no = this.selected_item.attr('data-batch-no');
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const field = this.selected_item.active_field;
const value = this.numpad.get_value();
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this.events.on_field_change(item_code, field, value, batch_no);
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}
}
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this.events.on_numpad(btn_value);
}
});
}
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set_input_active(btn_value) {
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this.selected_item.removeClass('qty disc rate');
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this.numpad.set_active(btn_value);
if (btn_value === Qty) {
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this.selected_item.addClass('qty');
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this.selected_item.active_field = 'qty';
} else if (btn_value == Disc) {
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this.selected_item.addClass('disc');
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this.selected_item.active_field = 'discount_percentage';
} else if (btn_value == Rate) {
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this.selected_item.addClass('rate');
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this.selected_item.active_field = 'rate';
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}
}
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add_item(item) {
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this.$empty_state.hide();
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if (this.exists(item.item_code, item.batch_no)) {
// update quantity
this.update_item(item);
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} else if (flt(item.qty) > 0.0) {
// add to cart
const $item = $(this.get_item_html(item));
$item.appendTo(this.$cart_items);
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}
this.highlight_item(item.item_code);
this.scroll_to_item(item.item_code);
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}
update_item(item) {
const item_selector = item.batch_no ?
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`[data-batch-no="${item.batch_no}"]` : `[data-item-code="${escape(item.item_code)}"]`;
const $item = this.$cart_items.find(item_selector);
if(item.qty > 0) {
const is_stock_item = this.get_item_details(item.item_code).is_stock_item;
const indicator_class = (!is_stock_item || item.actual_qty >= item.qty) ? 'green' : 'red';
const remove_class = indicator_class == 'green' ? 'red' : 'green';
$item.find('.quantity input').val(item.qty);
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$item.find('.discount').text(item.discount_percentage + '%');
$item.find('.rate').text(format_currency(item.rate, this.frm.doc.currency));
$item.addClass(indicator_class);
$item.removeClass(remove_class);
} else {
$item.remove();
}
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}
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get_item_html(item) {
const is_stock_item = this.get_item_details(item.item_code).is_stock_item;
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const rate = format_currency(item.rate, this.frm.doc.currency);
const indicator_class = (!is_stock_item || item.actual_qty >= item.qty) ? 'green' : 'red';
const batch_no = item.batch_no || '';
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return `
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<div class="list-item indicator ${indicator_class}" data-item-code="${escape(item.item_code)}"
data-batch-no="${batch_no}" title="Item: ${item.item_name} Available Qty: ${item.actual_qty}">
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<div class="item-name list-item__content list-item__content--flex-1.5 ellipsis">
${item.item_name}
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</div>
<div class="quantity list-item__content text-right">
${get_quantity_html(item.qty)}
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</div>
<div class="discount list-item__content text-right">
${item.discount_percentage}%
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</div>
<div class="rate list-item__content text-right">
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${rate}
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</div>
</div>
`;
function get_quantity_html(value) {
return `
<div class="input-group input-group-xs">
<span class="input-group-btn">
<button class="btn btn-default btn-xs" data-action="increment">+</button>
</span>
<input class="form-control" type="number" value="${value}">
<span class="input-group-btn">
<button class="btn btn-default btn-xs" data-action="decrement">-</button>
</span>
</div>
`;
}
}
get_item_details(item_code) {
if (!this.item_data[item_code]) {
this.item_data[item_code] = this.events.get_item_details(item_code);
}
return this.item_data[item_code];
}
exists(item_code, batch_no) {
const is_exists = batch_no ?
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`[data-batch-no="${batch_no}"]` : `[data-item-code="${escape(item_code)}"]`;
let $item = this.$cart_items.find(is_exists);
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return $item.length > 0;
}
highlight_item(item_code) {
const $item = this.$cart_items.find(`[data-item-code="${escape(item_code)}"]`);
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$item.addClass('highlight');
setTimeout(() => $item.removeClass('highlight'), 1000);
}
scroll_to_item(item_code) {
const $item = this.$cart_items.find(`[data-item-code="${escape(item_code)}"]`);
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if ($item.length === 0) return;
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const scrollTop = $item.offset().top - this.$cart_items.offset().top + this.$cart_items.scrollTop();
this.$cart_items.animate({ scrollTop });
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}
bind_events() {
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const me = this;
const events = this.events;
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// quantity change
this.$cart_items.on('click',
'[data-action="increment"], [data-action="decrement"]', function() {
const $btn = $(this);
const $item = $btn.closest('.list-item[data-item-code]');
const item_code = unescape($item.attr('data-item-code'));
const action = $btn.attr('data-action');
if(action === 'increment') {
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events.on_field_change(item_code, 'qty', '+1');
} else if(action === 'decrement') {
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events.on_field_change(item_code, 'qty', '-1');
}
});
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this.$cart_items.on('change', '.quantity input', function() {
const $input = $(this);
const $item = $input.closest('.list-item[data-item-code]');
const item_code = unescape($item.attr('data-item-code'));
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events.on_field_change(item_code, 'qty', flt($input.val()));
});
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// current item
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this.$cart_items.on('click', '.list-item', function() {
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me.set_selected_item($(this));
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});
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this.wrapper.find('.additional_discount_percentage').on('change', (e) => {
const discount_percentage = flt(e.target.value,
precision("additional_discount_percentage"));
frappe.model.set_value(this.frm.doctype, this.frm.docname,
'additional_discount_percentage', discount_percentage)
.then(() => {
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let discount_wrapper = this.wrapper.find('.discount_amount');
discount_wrapper.val(flt(this.frm.doc.discount_amount,
precision('discount_amount')));
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discount_wrapper.trigger('change');
});
});
this.wrapper.find('.discount_amount').on('change', (e) => {
const discount_amount = flt(e.target.value, precision('discount_amount'));
frappe.model.set_value(this.frm.doctype, this.frm.docname,
'discount_amount', discount_amount);
this.frm.trigger('discount_amount')
.then(() => {
this.update_discount_fields();
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this.update_taxes_and_totals();
this.update_grand_total();
});
});
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}
update_discount_fields() {
let discount_wrapper = this.wrapper.find('.additional_discount_percentage');
let discount_amt_wrapper = this.wrapper.find('.discount_amount');
discount_wrapper.val(flt(this.frm.doc.additional_discount_percentage,
precision('additional_discount_percentage')));
discount_amt_wrapper.val(flt(this.frm.doc.discount_amount,
precision('discount_amount')));
}
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set_selected_item($item) {
this.selected_item = $item;
this.$cart_items.find('.list-item').removeClass('current-item qty disc rate');
this.selected_item.addClass('current-item');
this.events.on_select_change();
}
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unselect_all() {
this.$cart_items.find('.list-item').removeClass('current-item qty disc rate');
this.selected_item = null;
this.events.on_select_change();
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}
}
class POSItems {
constructor({wrapper, frm, events}) {
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this.wrapper = wrapper;
this.frm = frm;
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this.items = {};
this.events = events;
this.currency = this.frm.doc.currency;
frappe.db.get_value("Item Group", {lft: 1, is_group: 1}, "name", (r) => {
this.parent_item_group = r.name;
this.make_dom();
this.make_fields();
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this.init_clusterize();
this.bind_events();
this.load_items_data();
})
}
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load_items_data() {
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// bootstrap with 20 items
this.get_items()
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.then(({ items }) => {
this.all_items = items;
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this.items = items;
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this.render_items(items);
});
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}
reset_items() {
this.wrapper.find('.pos-items').empty();
this.init_clusterize();
this.load_items_data();
}
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make_dom() {
this.wrapper.html(`
<div class="fields">
<div class="search-field">
</div>
<div class="item-group-field">
</div>
</div>
<div class="items-wrapper">
</div>
`);
this.items_wrapper = this.wrapper.find('.items-wrapper');
this.items_wrapper.append(`
<div class="list-item-table pos-items-wrapper">
<div class="pos-items image-view-container">
</div>
</div>
`);
}
make_fields() {
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// Search field
const me = this;
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this.search_field = frappe.ui.form.make_control({
df: {
fieldtype: 'Data',
label: __('Search Item (Ctrl + i)'),
placeholder: __('Search by item code, serial number, batch no or barcode')
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},
parent: this.wrapper.find('.search-field'),
render_input: true,
});
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frappe.ui.keys.on('ctrl+i', () => {
this.search_field.set_focus();
});
this.search_field.$input.on('input', (e) => {
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clearTimeout(this.last_search);
this.last_search = setTimeout(() => {
const search_term = e.target.value;
this.filter_items({ search_term });
}, 300);
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});
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this.item_group_field = frappe.ui.form.make_control({
df: {
fieldtype: 'Link',
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label: 'Item Group',
options: 'Item Group',
default: me.parent_item_group,
onchange: () => {
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const item_group = this.item_group_field.get_value();
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if (item_group) {
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this.filter_items({ item_group: item_group });
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}
},
get_query: () => {
return {
query: 'erpnext.selling.page.point_of_sale.point_of_sale.item_group_query',
filters: {
pos_profile: this.frm.doc.pos_profile
}
};
}
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},
parent: this.wrapper.find('.item-group-field'),
render_input: true
});
}
init_clusterize() {
this.clusterize = new Clusterize({
scrollElem: this.wrapper.find('.pos-items-wrapper')[0],
contentElem: this.wrapper.find('.pos-items')[0],
rows_in_block: 6
});
}
render_items(items) {
let _items = items || this.items;
const all_items = Object.values(_items).map(item => this.get_item_html(item));
let row_items = [];
const row_container = '<div class="image-view-row">';
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let curr_row = row_container;
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for (let i=0; i < all_items.length; i++) {
// wrap 4 items in a div to emulate
// a row for clusterize
if(i % 4 === 0 && i !== 0) {
curr_row += '</div>';
row_items.push(curr_row);
curr_row = row_container;
}
curr_row += all_items[i];
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if(i == all_items.length - 1) {
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row_items.push(curr_row);
}
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}
this.clusterize.update(row_items);
}
filter_items({ search_term='', item_group=this.parent_item_group }={}) {
if (search_term) {
search_term = search_term.toLowerCase();
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// memoize
this.search_index = this.search_index || {};
if (this.search_index[search_term]) {
const items = this.search_index[search_term];
this.items = items;
this.render_items(items);
this.set_item_in_the_cart(items);
return;
}
} else if (item_group == this.parent_item_group) {
this.items = this.all_items;
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return this.render_items(this.all_items);
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}
this.get_items({search_value: search_term, item_group })
.then(({ items, serial_no, batch_no, barcode }) => {
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if (search_term && !barcode) {
this.search_index[search_term] = items;
}
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this.items = items;
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this.render_items(items);
this.set_item_in_the_cart(items, serial_no, batch_no, barcode);
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});
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}
set_item_in_the_cart(items, serial_no, batch_no, barcode) {
if (serial_no) {
this.events.update_cart(items[0].item_code,
'serial_no', serial_no);
this.reset_search_field();
return;
}
if (batch_no) {
this.events.update_cart(items[0].item_code,
'batch_no', batch_no);
this.reset_search_field();
return;
}
if (items.length === 1 && (serial_no || batch_no || barcode)) {
this.events.update_cart(items[0].item_code,
'qty', '+1');
this.reset_search_field();
}
}
reset_search_field() {
this.search_field.set_value('');
this.search_field.$input.trigger("input");
}
bind_events() {
var me = this;
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this.wrapper.on('click', '.pos-item-wrapper', function() {
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const $item = $(this);
const item_code = unescape($item.attr('data-item-code'));
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me.events.update_cart(item_code, 'qty', '+1');
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});
}
get(item_code) {
let item = {};
this.items.map(data => {
if (data.item_code === item_code) {
item = data;
}
})
return item
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}
get_all() {
return this.items;
}
get_item_html(item) {
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const price_list_rate = format_currency(item.price_list_rate, this.currency);
const { item_code, item_name, item_image} = item;
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const item_title = item_name || item_code;
const template = `
<div class="pos-item-wrapper image-view-item" data-item-code="${escape(item_code)}">
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<div class="image-view-header">
<div>
<a class="grey list-id" data-name="${item_code}" title="${item_title}">
${item_title}
</a>
</div>
</div>
<div class="image-view-body">
<a data-item-code="${item_code}"
title="${item_title}"
>
<div class="image-field"
style="${!item_image ? 'background-color: #fafbfc;' : ''} border: 0px;"
>
${!item_image ? `<span class="placeholder-text">
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${frappe.get_abbr(item_title)}
</span>` : '' }
${item_image ? `<img src="${item_image}" alt="${item_title}">` : '' }
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</div>
<span class="price-info">
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${price_list_rate}
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</span>
</a>
</div>
</div>
`;
return template;
}
get_items({start = 0, page_length = 40, search_value='', item_group=this.parent_item_group}={}) {
const price_list = this.frm.doc.selling_price_list;
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return new Promise(res => {
frappe.call({
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method: "erpnext.selling.page.point_of_sale.point_of_sale.get_items",
freeze: true,
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args: {
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start,
page_length,
price_list,
item_group,
search_value,
pos_profile: this.frm.doc.pos_profile
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}
}).then(r => {
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// const { items, serial_no, batch_no } = r.message;
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// this.serial_no = serial_no || "";
res(r.message);
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});
});
}
}
class NumberPad {
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constructor({
wrapper, onclick, button_array,
add_class={}, disable_highlight=[],
reset_btns=[], del_btn='', disable_btns
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}) {
this.wrapper = wrapper;
this.onclick = onclick;
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this.button_array = button_array;
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this.add_class = add_class;
this.disable_highlight = disable_highlight;
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this.reset_btns = reset_btns;
this.del_btn = del_btn;
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this.disable_btns = disable_btns || [];
this.make_dom();
this.bind_events();
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this.value = '';
}
make_dom() {
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if (!this.button_array) {
this.button_array = [
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[1, 2, 3],
[4, 5, 6],
[7, 8, 9],
['', 0, '']
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];
}
this.wrapper.html(`
<div class="number-pad">
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${this.button_array.map(get_row).join("")}
</div>
`);
function get_row(row) {
return '<div class="num-row">' + row.map(get_col).join("") + '</div>';
}
function get_col(col) {
return `<div class="num-col" data-value="${col}"><div>${col}</div></div>`;
}
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this.set_class();
if(this.disable_btns) {
this.disable_btns.forEach((btn) => {
const $btn = this.get_btn(btn);
$btn.prop("disabled", true)
$btn.hover(() => {
$btn.css('cursor','not-allowed');
})
})
}
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}
set_class() {
for (const btn in this.add_class) {
const class_name = this.add_class[btn];
this.get_btn(btn).addClass(class_name);
}
}
bind_events() {
// bind click event
const me = this;
this.wrapper.on('click', '.num-col', function() {
const $btn = $(this);
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const btn_value = $btn.attr('data-value');
if (!me.disable_highlight.includes(btn_value)) {
me.highlight_button($btn);
}
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if (me.reset_btns.includes(btn_value)) {
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me.reset_value();
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} else {
if (btn_value === me.del_btn) {
me.value = me.value.substr(0, me.value.length - 1);
} else {
me.value += btn_value;
}
}
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me.onclick(btn_value);
});
}
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reset_value() {
this.value = '';
}
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get_value() {
return flt(this.value);
}
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get_btn(btn_value) {
return this.wrapper.find(`.num-col[data-value="${btn_value}"]`);
}
highlight_button($btn) {
$btn.addClass('highlight');
setTimeout(() => $btn.removeClass('highlight'), 1000);
}
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set_active(btn_value) {
const $btn = this.get_btn(btn_value);
this.wrapper.find('.num-col').removeClass('active');
$btn.addClass('active');
}
set_inactive() {
this.wrapper.find('.num-col').removeClass('active');
}
}
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class Payment {
constructor({frm, events}) {
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this.frm = frm;
this.events = events;
this.make();
this.bind_events();
this.set_primary_action();
}
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open_modal() {
this.dialog.show();
}
make() {
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this.set_flag();
this.dialog = new frappe.ui.Dialog({
fields: this.get_fields(),
width: 800,
invoice_frm: this.frm
});
this.set_title();
this.$body = this.dialog.body;
this.numpad = new NumberPad({
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wrapper: $(this.$body).find('[data-fieldname="numpad"]'),
button_array: [
[1, 2, 3],
[4, 5, 6],
[7, 8, 9],
[__('Del'), 0, '.'],
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],
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onclick: () => {
if(this.fieldname) {
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this.dialog.set_value(this.fieldname, this.numpad.get_value());
}
}
});
}
set_title() {
let title = __('Total Amount {0}',
[format_currency(this.frm.doc.rounded_total || this.frm.doc.grand_total,
this.frm.doc.currency)]);
this.dialog.set_title(title);
}
bind_events() {
var me = this;
$(this.dialog.body).find('.input-with-feedback').focusin(function() {
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me.numpad.reset_value();
me.fieldname = $(this).prop('dataset').fieldname;
if (me.frm.doc.outstanding_amount > 0 &&
!in_list(['write_off_amount', 'change_amount'], me.fieldname)) {
me.frm.doc.payments.forEach((data) => {
if (data.mode_of_payment == me.fieldname && !data.amount) {
me.dialog.set_value(me.fieldname,
me.frm.doc.outstanding_amount / me.frm.doc.conversion_rate);
return;
}
})
}
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});
}
set_primary_action() {
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var me = this;
this.dialog.set_primary_action(__("Submit"), function() {
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me.dialog.hide();
me.events.submit_form();
});
}
get_fields() {
const me = this;
let fields = this.frm.doc.payments.map(p => {
return {
fieldtype: 'Currency',
label: __(p.mode_of_payment),
options: me.frm.doc.currency,
fieldname: p.mode_of_payment,
default: p.amount,
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onchange: () => {
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const value = this.dialog.get_value(this.fieldname) || 0;
me.update_payment_value(this.fieldname, value);
}
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};
});
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fields = fields.concat([
{
fieldtype: 'Column Break',
},
{
fieldtype: 'HTML',
fieldname: 'numpad'
},
{
fieldtype: 'Section Break',
depends_on: 'eval: this.invoice_frm.doc.loyalty_program'
},
{
fieldtype: 'Check',
label: 'Redeem Loyalty Points',
fieldname: 'redeem_loyalty_points',
onchange: () => {
me.update_cur_frm_value("redeem_loyalty_points", () => {
frappe.flags.redeem_loyalty_points = false;
me.update_loyalty_points();
});
}
},
{
fieldtype: 'Column Break',
},
{
fieldtype: 'Int',
fieldname: "loyalty_points",
label: __("Loyalty Points"),
depends_on: "redeem_loyalty_points",
onchange: () => {
me.update_cur_frm_value("loyalty_points", () => {
frappe.flags.loyalty_points = false;
me.update_loyalty_points();
});
}
},
{
fieldtype: 'Currency',
label: __("Loyalty Amount"),
fieldname: "loyalty_amount",
options: me.frm.doc.currency,
read_only: 1,
depends_on: "redeem_loyalty_points"
},
{
fieldtype: 'Section Break',
},
{
fieldtype: 'Currency',
label: __("Write off Amount"),
options: me.frm.doc.currency,
fieldname: "write_off_amount",
default: me.frm.doc.write_off_amount,
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onchange: () => {
me.update_cur_frm_value('write_off_amount', () => {
frappe.flags.change_amount = false;
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me.update_change_amount();
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});
}
},
{
fieldtype: 'Column Break',
},
{
fieldtype: 'Currency',
label: __("Change Amount"),
options: me.frm.doc.currency,
fieldname: "change_amount",
default: me.frm.doc.change_amount,
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onchange: () => {
me.update_cur_frm_value('change_amount', () => {
frappe.flags.write_off_amount = false;
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me.update_write_off_amount();
});
}
},
{
fieldtype: 'Section Break',
},
{
fieldtype: 'Currency',
label: __("Paid Amount"),
options: me.frm.doc.currency,
fieldname: "paid_amount",
default: me.frm.doc.paid_amount,
read_only: 1
},
{
fieldtype: 'Column Break',
},
{
fieldtype: 'Currency',
label: __("Outstanding Amount"),
options: me.frm.doc.currency,
fieldname: "outstanding_amount",
default: me.frm.doc.outstanding_amount,
read_only: 1
},
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]);
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return fields;
}
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set_flag() {
frappe.flags.write_off_amount = true;
frappe.flags.change_amount = true;
frappe.flags.loyalty_points = true;
frappe.flags.redeem_loyalty_points = true;
frappe.flags.payment_method = true;
}
update_cur_frm_value(fieldname, callback) {
if (frappe.flags[fieldname]) {
const value = this.dialog.get_value(fieldname);
this.frm.set_value(fieldname, value)
.then(() => {
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callback();
});
}
frappe.flags[fieldname] = true;
}
update_payment_value(fieldname, value) {
var me = this;
$.each(this.frm.doc.payments, function(i, data) {
if (__(data.mode_of_payment) == __(fieldname)) {
frappe.model.set_value('Sales Invoice Payment', data.name, 'amount', value)
.then(() => {
me.update_change_amount();
me.update_write_off_amount();
});
}
});
}
update_change_amount() {
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this.dialog.set_value("change_amount", this.frm.doc.change_amount);
this.show_paid_amount();
}
update_write_off_amount() {
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this.dialog.set_value("write_off_amount", this.frm.doc.write_off_amount);
}
show_paid_amount() {
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this.dialog.set_value("paid_amount", this.frm.doc.paid_amount);
this.dialog.set_value("outstanding_amount", this.frm.doc.outstanding_amount);
}
update_payment_amount() {
var me = this;
$.each(this.frm.doc.payments, function(i, data) {
console.log("setting the ", data.mode_of_payment, " for the value", data.amount);
me.dialog.set_value(data.mode_of_payment, data.amount);
});
}
update_loyalty_points() {
if (this.dialog.get_value("redeem_loyalty_points")) {
this.dialog.set_value("loyalty_points", this.frm.doc.loyalty_points);
this.dialog.set_value("loyalty_amount", this.frm.doc.loyalty_amount);
this.update_payment_amount();
this.show_paid_amount();
}
}
}