[fix] patch merge conflict fixed

accounts/doctype/purchase_invoice/purchase_invoice.js

@@ -8,6 +8,7 @@ cur_frm.cscript.other_fname = "purchase_tax_details";
 wn.provide("erpnext.accounts");
 wn.require('app/accounts/doctype/purchase_taxes_and_charges_master/purchase_taxes_and_charges_master.js');
 wn.require('app/buying/doctype/purchase_common/purchase_common.js');
+wn.require('app/accounts/doctype/sales_invoice/pos.js');
 
 erpnext.accounts.PurchaseInvoice = erpnext.buying.BuyingController.extend({
 	onload: function() {

accounts/doctype/sales_invoice/pos.js

@@ -7,7 +7,7 @@ erpnext.POS = Class.extend({
 		this.frm = frm;
 		this.wrapper.html('<div class="container">\
 			<div class="row">\
-				<div class="customer-area col-sm-3 col-xs-6"></div>\
+				<div class="party-area col-sm-3 col-xs-6"></div>\
 				<div class="barcode-area col-sm-3 col-xs-6"></div>\
 				<div class="search-area col-sm-3 col-xs-6"></div>\
 				<div class="item-group-area col-sm-3 col-xs-6"></div>\
@@ -72,6 +72,17 @@ erpnext.POS = Class.extend({
 				</div>\
 			</div></div>');
 		
+		if (wn.meta.has_field(cur_frm.doc.doctype, "customer")) {
+			this.party = "Customer";
+			this.price_list = this.frm.doc.selling_price_list;
+			this.sales_or_purchase = "Sales";
+		}
+		else if (wn.meta.has_field(cur_frm.doc.doctype, "supplier")) {
+			this.party = "Supplier";
+			this.price_list = this.frm.doc.buying_price_list;
+			this.sales_or_purchase = "Purchase";
+		}
+		
 		this.make();
 
 		var me = this;
@@ -88,28 +99,29 @@ erpnext.POS = Class.extend({
 		});
 	},
 	make: function() {
-		this.make_customer();
+		this.make_party();
 		this.make_item_group();
 		this.make_search();
 		this.make_barcode();
 		this.make_item_list();
 	},
-	make_customer: function() {
+	make_party: function() {
 		var me = this;
-		this.customer = wn.ui.form.make_control({
+		this.party_field = wn.ui.form.make_control({
 			df: {
 				"fieldtype": "Link",
-				"options": "Customer",
+				"options": this.party,
-				"label": "Customer",
+				"label": this.party,
-				"fieldname": "pos_customer",
+				"fieldname": "pos_party",
-				"placeholder": "Customer"
+				"placeholder": this.party
 			},
-			parent: this.wrapper.find(".customer-area")
+			parent: this.wrapper.find(".party-area")
 		});
-		this.customer.make_input();
+		this.party_field.make_input();
-		this.customer.$input.on("change", function() {
+		this.party_field.$input.on("change", function() {
-			if(!me.customer.autocomplete_open)
+			if(!me.party_field.autocomplete_open)
-				wn.model.set_value("Sales Invoice", me.frm.docname, "customer", this.value);
+				wn.model.set_value(me.frm.doctype, me.frm.docname, 
+					me.party.toLowerCase(), this.value);
 		});
 	},
 	make_item_group: function() {
@@ -171,7 +183,8 @@ erpnext.POS = Class.extend({
 		wn.call({
 			method: 'accounts.doctype.sales_invoice.pos.get_items',
 			args: {
-				price_list: cur_frm.doc.selling_price_list,
+				sales_or_purchase: this.sales_or_purchase,
+				price_list: this.price_list,
 				item_group: this.item_group.$input.val(),
 				item: this.search.$input.val()
 			},
@@ -202,10 +215,11 @@ erpnext.POS = Class.extend({
 				// if form is local then allow this function
 				if (cur_frm.doc.docstatus===0) {
 					$("div.pos-item").on("click", function() {
-						if(!cur_frm.doc.customer) {
+						if(!cur_frm.doc[me.party.toLowerCase()]) {
-							msgprint("Please select customer first.");
+							msgprint("Please select " + me.party + " first.");
 							return;
 						}
+						else
 							me.add_to_cart($(this).attr("data-item_code"));
 					});
 				}
@@ -217,12 +231,12 @@ erpnext.POS = Class.extend({
 		var caught = false;
 
 		// get no_of_items
-		no_of_items = me.wrapper.find("#cart tbody").length;
+		var no_of_items = me.wrapper.find("#cart tbody tr").length;
 		
 		// check whether the item is already added
 		if (no_of_items != 0) {
-			$.each(wn.model.get_children("Sales Invoice Item", this.frm.doc.name, "entries", 
+			$.each(wn.model.get_children(this.frm.doctype + " Item", this.frm.doc.name, 
-			"Sales Invoice"), function(i, d) {
+				this.frm.cscript.fname,	this.frm.doctype), function(i, d) {
 				if (d.item_code == item_code)
 					caught = true;
 			});
@@ -233,15 +247,16 @@ erpnext.POS = Class.extend({
 			me.update_qty(item_code, 1);
 		}
 		else {
-			var child = wn.model.add_child(me.frm.doc, "Sales Invoice Item", "entries");
+			var child = wn.model.add_child(me.frm.doc, this.frm.doctype + " Item", 
+				this.frm.cscript.fname);
 			child.item_code = item_code;
 			me.frm.cscript.item_code(me.frm.doc, child.doctype, child.name);
 		}
 	},
 	update_qty: function(item_code, qty, textbox_qty) {
 		var me = this;
-		$.each(wn.model.get_children("Sales Invoice Item", this.frm.doc.name, "entries", 
+		$.each(wn.model.get_children(this.frm.doctype + " Item", this.frm.doc.name, 
-		"Sales Invoice"), function(i, d) {
+			this.frm.cscript.fname, this.frm.doctype), function(i, d) {
 			if (d.item_code == item_code) {
 				if (textbox_qty) {
 					if (qty == 0 && d.item_code == item_code)
@@ -259,14 +274,14 @@ erpnext.POS = Class.extend({
 	},
 	refresh: function() {
 		var me = this;
-		this.customer.set_input(this.frm.doc.customer);
+		this.party_field.set_input(this.frm.doc[this.party.toLowerCase()]);
 		this.barcode.set_input("");
 
 		// add items
 		var $items = me.wrapper.find("#cart tbody").empty();
 
-		$.each(wn.model.get_children("Sales Invoice Item", this.frm.doc.name, "entries", 
+		$.each(wn.model.get_children(this.frm.doctype + " Item", this.frm.doc.name, 
-			"Sales Invoice"), function(i, d) {
+			this.frm.cscript.fname, this.frm.doctype), function(i, d) {
 			$(repl('<tr id="%(item_code)s" data-selected="false">\
 					<td>%(item_code)s%(item_name)s</td>\
 					<td><input type="text" value="%(qty)s" \
@@ -277,15 +292,15 @@ erpnext.POS = Class.extend({
 					item_code: d.item_code,
 					item_name: d.item_name===d.item_code ? "" : ("<br>" + d.item_name),
 					qty: d.qty,
-					rate: format_currency(d.ref_rate, cur_frm.doc.price_list_currency),
+					rate: format_currency(d.ref_rate, cur_frm.doc.currency),
-					amount: format_currency(d.export_amount, cur_frm.doc.price_list_currency)
+					amount: format_currency(d.export_amount, cur_frm.doc.currency)
 				}
 			)).appendTo($items);
 		});
 
 		// taxes
-		var taxes = wn.model.get_children("Sales Taxes and Charges", this.frm.doc.name, "other_charges", 
+		var taxes = wn.model.get_children(this.sales_or_purchase + " Taxes and Charges", 
-			"Sales Invoice");
+			this.frm.doc.name, this.frm.cscript.other_fname, this.frm.doctype);
 		$(".tax-table")
 			.toggle((taxes && taxes.length) ? true : false)
 			.find("tbody").empty();
@@ -297,15 +312,15 @@ erpnext.POS = Class.extend({
 			<tr>', {
 				description: d.description,
 				rate: d.rate,
-				tax_amount: format_currency(d.tax_amount, me.frm.doc.price_list_currency)
+				tax_amount: format_currency(d.tax_amount, me.frm.doc.currency)
 			})).appendTo(".tax-table tbody");
 		});
 
 		// set totals
 		this.wrapper.find(".net-total").text(format_currency(this.frm.doc.net_total_export, 
-			cur_frm.doc.price_list_currency));
+			cur_frm.doc.currency));
 		this.wrapper.find(".grand-total").text(format_currency(this.frm.doc.grand_total_export, 
-			cur_frm.doc.price_list_currency));
+			cur_frm.doc.currency));
 
 		// if form is local then only run all these functions
 		if (cur_frm.doc.docstatus===0) {
@@ -320,7 +335,7 @@ erpnext.POS = Class.extend({
 			});
 
 			// on td click toggle the highlighting of row
-			$("#cart tbody tr td").on("click", function() {
+			me.wrapper.find("#cart tbody tr td").on("click", function() {
 				var row = $(this).closest("tr");
 				if (row.attr("data-selected") == "false") {
 					row.attr("class", "warning");
@@ -339,13 +354,21 @@ erpnext.POS = Class.extend({
 		}
 
 		// if form is submitted & cancelled then disable all input box & buttons
-		if (cur_frm.doc.docstatus>=1 && cint(cur_frm.doc.is_pos)) {
+		if (cur_frm.doc.docstatus>=1) {
 			me.wrapper.find('input, button').each(function () {
 				$(this).prop('disabled', true);
 			});
 			$(".delete-items").hide();
 			$(".make-payment").hide();
 		}
+
+		// Show Make Payment button only in Sales Invoice
+		if (this.frm.doctype != "Sales Invoice")
+			$(".make-payment").hide();
+
+		if (this.frm.doctype == "Quotation")
+			if (cur_frm.doc.quotation_to=="Customer")
+				this.party_field.remove();
 	},
 	refresh_delete_btn: function() {
 		$(".delete-items").toggle($(".item-cart .warning").length ? true : false);		
@@ -370,32 +393,32 @@ erpnext.POS = Class.extend({
 	remove_selected_item: function() {
 		var me = this;
 		var selected_items = [];
-		var no_of_items = $("#cart tbody tr").length;
+		var no_of_items = me.wrapper.find("#cart tbody tr").length;
 		for(var x=0; x<=no_of_items - 1; x++) {
-			var row = $("#cart tbody tr:eq(" + x + ")");
+			var row = me.wrapper.find("#cart tbody tr:eq(" + x + ")");
 			if(row.attr("data-selected") == "true") {
 				selected_items.push(row.attr("id"));
 			}
 		}
 
-		var child = wn.model.get_children("Sales Invoice Item", this.frm.doc.name, "entries", 
+		var child = wn.model.get_children(this.frm.doctype + " Item", this.frm.doc.name, 
-		"Sales Invoice");
+			this.frm.cscript.fname, this.frm.doctype);
+
 		$.each(child, function(i, d) {
 			for (var i in selected_items) {
 				if (d.item_code == selected_items[i]) {
-					// cur_frm.fields_dict["entries"].grid.grid_rows[d.idx].remove();
 					wn.model.clear_doc(d.doctype, d.name);
 				}
 			}
 		});
-		cur_frm.fields_dict["entries"].grid.refresh();
+		cur_frm.fields_dict[this.frm.cscript.fname].grid.refresh();
 		cur_frm.script_manager.trigger("calculate_taxes_and_totals");
 		me.frm.dirty();
 		me.refresh();
 	},
 	make_payment: function() {
 		var me = this;
-		var no_of_items = $("#cart tbody tr").length;
+		var no_of_items = me.wrapper.find("#cart tbody tr").length;
 		var mode_of_payment = [];
 		
 		if (no_of_items == 0)

accounts/doctype/sales_invoice/pos.py

@@ -3,17 +3,22 @@
 
 from __future__ import unicode_literals
 import webnotes
-from webnotes import msgprint
+from webnotes import msgprint, errprint
 
 @webnotes.whitelist()
-def get_items(price_list, item=None, item_group=None):
+def get_items(price_list, sales_or_purchase, item=None, item_group=None):
 	condition = ""
 	
+	if sales_or_purchase == "Sales":
+		condition = "i.is_sales_item='Yes'"
+	else:
+		condition = "i.is_purchase_item='Yes'"
+	
 	if item_group and item_group != "All Item Groups":
-		condition = "and i.item_group='%s'" % item_group
+		condition += " and i.item_group='%s'" % item_group
 
 	if item:
-		condition = "and i.name='%s'" % item
+		condition += " and i.name='%s'" % item
 
 	return webnotes.conn.sql("""select i.name, i.item_name, i.image, 
 		pl_items.ref_rate, pl_items.currency 
@@ -24,7 +29,7 @@ def get_items(price_list, item=None, item_group=None):
 		ON
 			pl_items.item_code=i.name
 		where
-			i.is_sales_item='Yes'%s""" % ('%s', condition), (price_list), as_dict=1)
+			%s""" % ('%s', condition), (price_list), as_dict=1)
 
 @webnotes.whitelist()
 def get_item_from_barcode(barcode):

accounts/doctype/sales_invoice/sales_invoice.css

@@ -1,15 +0,0 @@
-.pos-item {
-	height: 200px;
-	overflow: hidden;
-	cursor: pointer;
-	padding-left: 5px !important;
-	padding-right: 5px !important;
-}
-
-.pos-bill {
-	padding: 20px 5px;
-	font-family: Monospace;
-	border: 1px solid #eee;
-    -webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
-            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
-}

accounts/doctype/sales_invoice/sales_invoice.js

@@ -78,14 +78,11 @@ erpnext.accounts.SalesInvoiceController = erpnext.selling.SellingController.exte
 				cur_frm.add_custom_button('Make Payment Entry', cur_frm.cscript.make_bank_voucher);
 		}
 
-		if (doc.docstatus===0) {
+		// Show buttons only when pos view is active
+		if (doc.docstatus===0 && !this.pos_active) {
 			cur_frm.cscript.sales_order_btn();
 			cur_frm.cscript.delivery_note_btn();
 		}
-		
-		// Show POS button only if it enabled from features setup
-		if(cint(sys_defaults.fs_pos_view)===1)
-			cur_frm.cscript.pos_btn();
 	},
 
 	sales_order_btn: function() {
@@ -125,61 +122,12 @@ erpnext.accounts.SalesInvoiceController = erpnext.selling.SellingController.exte
 			});
 	},
 	
-	pos_btn: function() {
-		if(cur_frm.$pos_btn) 
-			cur_frm.$pos_btn.remove();
-
-		if(!cur_frm.pos_active) {
-			var btn_label = wn._("POS View"),
-				icon = "icon-desktop";
-
-			cur_frm.cscript.sales_order_btn();
-			cur_frm.cscript.delivery_note_btn();
-		} else {
-			var btn_label = wn._("Invoice View"),
-				icon = "icon-file-text";
-
-			if (cur_frm.doc.docstatus===0) {
-				this.$delivery_note_btn.remove();
-				this.$sales_order_btn.remove();
-			}
-		}
-
-		cur_frm.$pos_btn = cur_frm.add_custom_button(btn_label, function() {
-			cur_frm.cscript.toggle_pos();
-			cur_frm.cscript.pos_btn();
-		}, icon);
-	},
-
-	toggle_pos: function(show) {		
-		if (!this.frm.doc.selling_price_list)
-			msgprint(wn._("Please select Price List"))
-		else {
-			if((show===true && cur_frm.pos_active) || (show===false && !cur_frm.pos_active)) return;
-
-			// make pos
-			if(!cur_frm.pos) {
-				cur_frm.layout.add_view("pos");
-				cur_frm.pos = new erpnext.POS(cur_frm.layout.views.pos, cur_frm);
-			}
-
-			// toggle view
-			cur_frm.layout.set_view(cur_frm.pos_active ? "" : "pos");
-			cur_frm.pos_active = !cur_frm.pos_active;
-
-			// refresh
-			if(cur_frm.pos_active)
-				cur_frm.pos.refresh();
-		}
-	},
-	
 	tc_name: function() {
 		this.get_terms();
 	},
 	
 	is_pos: function() {
 		cur_frm.cscript.hide_fields(this.frm.doc);
-		
 		if(cint(this.frm.doc.is_pos)) {
 			if(!this.frm.doc.company) {
 				this.frm.set_value("is_pos", 0);
@@ -197,6 +145,7 @@ erpnext.accounts.SalesInvoiceController = erpnext.selling.SellingController.exte
 				});
 			}
 		}
+
 	},
 	
 	debit_to: function() {

accounts/doctype/sales_invoice/sales_invoice.txt

@@ -2,7 +2,7 @@
  {
   "creation": "2013-05-24 19:29:05", 
   "docstatus": 0, 
-  "modified": "2013-09-01 05:26:13", 
+  "modified": "2013-09-19 11:42:13", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -180,6 +180,7 @@
   "search_index": 1
  }, 
  {
+  "default": "Today", 
   "description": "Enter the date by which payments from customer is expected against this invoice.", 
   "doctype": "DocField", 
   "fieldname": "due_date", 
@@ -411,7 +412,7 @@
   "doctype": "DocField", 
   "fieldname": "other_charges", 
   "fieldtype": "Table", 
-  "label": "Taxes and Charges1", 
+  "label": "Sales Taxes and Charges", 
   "oldfieldname": "other_charges", 
   "oldfieldtype": "Table", 
   "options": "Sales Taxes and Charges", 

buying/doctype/purchase_order/purchase_order.js

@@ -10,6 +10,7 @@ cur_frm.cscript.other_fname = "purchase_tax_details";
 wn.require('app/accounts/doctype/purchase_taxes_and_charges_master/purchase_taxes_and_charges_master.js');
 wn.require('app/utilities/doctype/sms_control/sms_control.js');
 wn.require('app/buying/doctype/purchase_common/purchase_common.js');
+wn.require('app/accounts/doctype/sales_invoice/pos.js');
 
 erpnext.buying.PurchaseOrderController = erpnext.buying.BuyingController.extend({
 	refresh: function(doc, cdt, cdn) {

buying/doctype/supplier_quotation/supplier_quotation.js

@@ -9,6 +9,7 @@ cur_frm.cscript.other_fname = "purchase_tax_details";
 // attach required files
 wn.require('app/accounts/doctype/purchase_taxes_and_charges_master/purchase_taxes_and_charges_master.js');
 wn.require('app/buying/doctype/purchase_common/purchase_common.js');
+wn.require('app/accounts/doctype/sales_invoice/pos.js');
 
 erpnext.buying.SupplierQuotationController = erpnext.buying.BuyingController.extend({
 	refresh: function() {

buying/utils.py

@@ -65,7 +65,7 @@ def _get_basic_details(args, item_bean):
 	
 	out = webnotes._dict({
 		"description": item.description_html or item.description,
-		"qty": 0.0,
+		"qty": 1.0,
 		"uom": item.stock_uom,
 		"conversion_factor": 1.0,
 		"warehouse": args.warehouse or item.default_warehouse,

public/js/startup.css

@@ -30,3 +30,20 @@ span, div, td, input, textarea, button, select {
 	height: 32px; 
 	margin: -10px auto;
 }
+
+/* pos */
+.pos-item {
+	height: 200px;
+	overflow: hidden;
+	cursor: pointer;
+	padding-left: 5px !important;
+	padding-right: 5px !important;
+}
+
+.pos-bill {
+	padding: 20px 5px;
+	font-family: Monospace;
+	border: 1px solid #eee;
+    -webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
+            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
+}

public/js/transaction.js

@@ -62,6 +62,56 @@ erpnext.TransactionController = erpnext.stock.StockController.extend({
 		erpnext.hide_company();
 		this.show_item_wise_taxes();
 		this.set_dynamic_labels();
+
+		// Show POS button only if it is enabled from features setup
+		if(cint(sys_defaults.fs_pos_view)===1 && this.frm.doctype!="Material Request")
+			this.pos_btn();
+	},
+
+	pos_btn: function() {
+		if(this.$pos_btn) 
+			this.$pos_btn.remove();
+
+		if(!this.pos_active) {
+			var btn_label = wn._("POS View"),
+				icon = "icon-desktop";
+		} else {
+			var btn_label = wn._(this.frm.doctype) + wn._(" View"),
+				icon = "icon-file-text";
+		}
+		var me = this;
+
+		this.$pos_btn = this.frm.add_custom_button(btn_label, function() {
+			me.toggle_pos();
+			me.pos_btn();
+		}, icon);
+	},
+
+	toggle_pos: function(show) {
+		// Check whether it is Selling or Buying cycle
+		var price_list = wn.meta.has_field(cur_frm.doc.doctype, "selling_price_list") ?
+			this.frm.doc.selling_price_list : this.frm.doc.buying_price_list;
+		
+		if (!price_list)
+			msgprint(wn._("Please select Price List"))
+		else {
+			if((show===true && this.pos_active) || (show===false && !this.pos_active)) return;
+
+			// make pos
+			if(!this.frm.pos) {
+				this.frm.layout.add_view("pos");
+				this.frm.pos = new erpnext.POS(this.frm.layout.views.pos, this.frm);
+			}
+
+			// toggle view
+			this.frm.layout.set_view(this.pos_active ? "" : "pos");
+			this.pos_active = !this.pos_active;
+
+			// refresh
+			if(this.pos_active)
+				this.frm.pos.refresh();
+			this.frm.refresh();
+		}
 	},
 	
 	validate: function() {
@@ -418,10 +468,10 @@ erpnext.TransactionController = erpnext.stock.StockController.extend({
 			(this.frm.doc.currency != company_currency && this.frm.doc.conversion_rate != 1.0)) :
 			false;
 		
-		// if(!valid_conversion_rate) {
+		if(!valid_conversion_rate) {
-		// 	wn.throw(wn._("Please enter valid") + " " + wn._(conversion_rate_label) + 
+			wn.throw(wn._("Please enter valid") + " " + wn._(conversion_rate_label) + 
-		// 		" 1 " + this.frm.doc.currency + " = [?] " + company_currency);
+				" 1 " + this.frm.doc.currency + " = [?] " + company_currency);
-		// }
+		}
 	},
 	
 	calculate_taxes_and_totals: function() {

selling/doctype/quotation/quotation.js

@@ -11,6 +11,7 @@ cur_frm.cscript.sales_team_fname = "sales_team";
 wn.require('app/accounts/doctype/sales_taxes_and_charges_master/sales_taxes_and_charges_master.js');
 wn.require('app/utilities/doctype/sms_control/sms_control.js');
 wn.require('app/selling/doctype/sales_common/sales_common.js');
+wn.require('app/accounts/doctype/sales_invoice/pos.js');
 
 erpnext.selling.QuotationController = erpnext.selling.SellingController.extend({
 	onload: function(doc, dt, dn) {

selling/doctype/sales_order/sales_order.js

@@ -12,6 +12,7 @@ cur_frm.cscript.sales_team_fname = "sales_team";
 wn.require('app/selling/doctype/sales_common/sales_common.js');
 wn.require('app/accounts/doctype/sales_taxes_and_charges_master/sales_taxes_and_charges_master.js');
 wn.require('app/utilities/doctype/sms_control/sms_control.js');
+wn.require('app/accounts/doctype/sales_invoice/pos.js');
 
 erpnext.selling.SalesOrderController = erpnext.selling.SellingController.extend({
 	refresh: function(doc, dt, dn) {

stock/doctype/delivery_note/delivery_note.js

@@ -10,6 +10,7 @@ cur_frm.cscript.sales_team_fname = "sales_team";
 wn.require('app/accounts/doctype/sales_taxes_and_charges_master/sales_taxes_and_charges_master.js');
 wn.require('app/utilities/doctype/sms_control/sms_control.js');
 wn.require('app/selling/doctype/sales_common/sales_common.js');
+wn.require('app/accounts/doctype/sales_invoice/pos.js');
 
 wn.provide("erpnext.stock");
 erpnext.stock.DeliveryNoteController = erpnext.selling.SellingController.extend({

stock/doctype/purchase_receipt/purchase_receipt.js

@@ -8,6 +8,7 @@ cur_frm.cscript.other_fname = "purchase_tax_details";
 wn.require('app/accounts/doctype/purchase_taxes_and_charges_master/purchase_taxes_and_charges_master.js');
 wn.require('app/utilities/doctype/sms_control/sms_control.js');
 wn.require('app/buying/doctype/purchase_common/purchase_common.js');
+wn.require('app/accounts/doctype/sales_invoice/pos.js');
 
 wn.provide("erpnext.stock");
 erpnext.stock.PurchaseReceiptController = erpnext.buying.BuyingController.extend({