brotherton-erpnext/erpnext/public/js/utils/barcode_scanner.js
2022-03-28 12:07:00 +05:30

151 lines
4.2 KiB
JavaScript

erpnext.utils.BarcodeScanner = class BarcodeScanner {
constructor(opts) {
$.extend(this, opts);
// field from which to capture input of scanned data
this.scan_field_name = opts.scan_field_name || "scan_barcode";
this.scan_barcode_field = this.frm.fields_dict[this.scan_field_name];
this.items_table_name = opts.items_table_name || "items";
this.items_table = this.frm.doc[this.items_table_name];
this.scan_api = opts.scan_api || "erpnext.selling.page.point_of_sale.point_of_sale.search_for_serial_or_batch_or_barcode_number";
}
process_scan() {
let me = this;
const input = this.scan_barcode_field.value;
if (!input) {
return;
}
frappe.call({
method: this.scan_api,
args: {
search_value: input,
}
}).then(r => {
const data = r && r.message;
if (!data || Object.keys(data).length === 0) {
frappe.show_alert({
message: __('Cannot find Item with this Barcode'),
indicator: 'red'
});
return;
}
me.modify_table_after_scan(data);
});
this.clean_up();
}
modify_table_after_scan(data) {
let cur_grid = this.frm.fields_dict[this.items_table_name].grid;
let row_to_modify = null;
// Check if batch is scanned and table has batch no field
let batch_no_scan = Boolean(data.batch_no) && frappe.meta.has_field(cur_grid.doctype, "batch_no");
if (batch_no_scan) {
row_to_modify = this.get_batch_row_to_modify(data.batch_no);
} else {
// serial or barcode scan
row_to_modify = this.get_row_to_modify_on_scan(row_to_modify, data);
}
if (!row_to_modify) {
// add new row if new item/batch is scanned
row_to_modify = frappe.model.add_child(this.frm.doc, cur_grid.doctype, this.items_table_name);
// trigger any row add triggers defined on child table.
this.frm.script_manager.trigger(`${this.items_table_name}_add`, row_to_modify.doctype, row_to_modify.name);
}
if (this.is_duplicate_serial_no(row_to_modify, data.serial_no)) {
this.clean_up();
return;
};
this.show_scan_message(row_to_modify.idx, row_to_modify.item_code);
this.set_scanned_values(row_to_modify, data);
}
set_scanned_values(row_to_modify, data) {
// increase qty and set scanned value and item in row
this.frm.from_barcode = this.frm.from_barcode ? this.frm.from_barcode + 1 : 1;
frappe.model.set_value(row_to_modify.doctype, row_to_modify.name, {
item_code: data.item_code,
qty: (row_to_modify.qty || 0) + 1
});
['serial_no', 'batch_no', 'barcode'].forEach(field => {
if (data[field] && frappe.meta.has_field(row_to_modify.doctype, field)) {
let is_serial_no = row_to_modify[field] && field === "serial_no";
let value = data[field];
if (is_serial_no) {
value = row_to_modify[field] + '\n' + data[field];
}
frappe.model.set_value(row_to_modify.doctype, row_to_modify.name, field, value);
}
});
this.clean_up();
}
show_scan_message (idx, exist = null) {
// show new row or qty increase toast
if (exist) {
frappe.show_alert({
message: __('Row #{0}: Qty increased by 1', [idx]),
indicator: 'green'
}, 5);
} else {
frappe.show_alert({
message: __('Row #{0}: Item added', [idx]),
indicator: 'green'
}, 5);
}
}
is_duplicate_serial_no(row, serial_no) {
const is_duplicate = !!serial_no && !!row.serial_no && row.serial_no.includes(serial_no);
if (is_duplicate) {
frappe.show_alert({
message: __('Serial No {0} is already added', [serial_no]),
indicator: 'orange'
}, 5);
}
return is_duplicate;
}
get_batch_row_to_modify(batch_no) {
// get row if batch already exists in table
const existing_batch_row = this.items_table.find(d => d.batch_no === batch_no);
return existing_batch_row || null;
}
get_row_to_modify_on_scan(row_to_modify, data) {
// get an existing item row to increment or blank row to modify
const existing_item_row = this.items_table.find(d => d.item_code === data.item_code);
const blank_item_row = this.items_table.find(d => !d.item_code);
if (existing_item_row) {
row_to_modify = existing_item_row;
} else if (blank_item_row) {
row_to_modify = blank_item_row;
}
return row_to_modify;
}
clean_up() {
this.scan_barcode_field.set_value("");
refresh_field(this.items_table_name);
}
};