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