aii: gl_entries for sales invoice
diff --git a/accounts/doctype/sales_invoice/sales_invoice.py b/accounts/doctype/sales_invoice/sales_invoice.py
index b31d549..597e2ff 100644
--- a/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/accounts/doctype/sales_invoice/sales_invoice.py
@@ -25,6 +25,8 @@
 from webnotes.model.code import get_obj
 from webnotes import _, msgprint
 
+from stock.utils import get_buying_amount, get_sales_bom
+
 session = webnotes.session
 
 month_map = {'Monthly': 1, 'Quarterly': 3, 'Half-yearly': 6, 'Yearly': 12}
@@ -95,7 +97,8 @@
 			if not self.doc.recurring_id:
 				get_obj('Authorization Control').validate_approving_authority(self.doc.doctype, 
 				 	self.doc.company, self.doc.grand_total, self)
-
+				
+		self.set_buying_amount()
 		self.check_prev_docstatus()
 		get_obj("Sales Common").update_prevdoc_detail(1,self)
 		
@@ -126,7 +129,7 @@
 		self.check_next_docstatus()
 		sales_com_obj.update_prevdoc_detail(0, self)
 		
-		self.make_gl_entries(is_cancel=1)
+		self.make_gl_entries()
 
 	def on_update_after_submit(self):
 		self.validate_recurring_invoice()
@@ -619,8 +622,7 @@
 			'is_cancelled'				: (update_stock==1) and 'No' or 'Yes',
 			'batch_no'						: cstr(d['batch_no']),
 			'serial_no'					 : d['serial_no']
-		})	
-			
+		})			
 
 	def update_stock_ledger(self, update_stock):
 		self.values = []
@@ -648,14 +650,29 @@
 		return ret
 
 
-	def make_gl_entries(self, is_cancel=0):
-		from accounts.general_ledger import make_gl_entries
-		gl_entries = []
-		auto_inventory_accounting = webnotes.conn.get_value("Global Defaults", None, 
-		 	"automatic_inventory_accounting")
-		abbr = self.get_company_abbr()
+	def make_gl_entries(self):
+		from accounts.general_ledger import make_gl_entries, merge_similar_entries
 		
-		# parent's gl entry
+		gl_entries = []
+		
+		self.make_customer_gl_entry(gl_entries)
+	
+		self.make_tax_gl_entries(gl_entries)
+		
+		self.make_item_gl_entries(gl_entries)
+		
+		# merge gl entries before adding pos entries
+		gl_entries = merge_similar_entries(gl_entries)
+						
+		self.make_pos_gl_entries(gl_entries)
+		
+		update_outstanding = cint(self.doc.is_pos) and self.doc.write_off_account and 'No' or 'Yes'
+		
+		if gl_entries:
+			make_gl_entries(gl_entries, cancel=(self.doc.docstatus == 2), 
+				update_outstanding=update_outstanding, merge_entries=False)
+				
+	def make_customer_gl_entry(self, gl_entries):
 		if self.doc.grand_total:
 			gl_entries.append(
 				self.get_gl_dict({
@@ -665,10 +682,10 @@
 					"remarks": self.doc.remarks,
 					"against_voucher": self.doc.name,
 					"against_voucher_type": self.doc.doctype,
-				}, is_cancel)
+				})
 			)
-	
-		# tax table gl entries
+				
+	def make_tax_gl_entries(self, gl_entries):
 		for tax in self.doclist.get({"parentfield": "other_charges"}):
 			if flt(tax.tax_amount):
 				gl_entries.append(
@@ -678,11 +695,21 @@
 						"credit": flt(tax.tax_amount),
 						"remarks": self.doc.remarks,
 						"cost_center": tax.cost_center_other_charges
-					}, is_cancel)
+					})
 				)
-		
+				
+	def make_item_gl_entries(self, gl_entries):
 		# item gl entries
-		for item in getlist(self.doclist, 'entries'):
+		auto_inventory_accounting = \
+			cint(webnotes.defaults.get_global_default("auto_inventory_accounting"))
+			
+		if auto_inventory_accounting:
+			if cint(self.doc.is_pos) and cint(self.doc.update_stock):
+				stock_account = self.get_stock_in_hand_account()
+			else:
+				stock_account = "Stock Delivered But Not Billed - %s" % (self.company_abbr,)
+		
+		for item in self.doclist.get({"parentfield": "entries"}):
 			# income account gl entries
 			if flt(item.amount):
 				gl_entries.append(
@@ -692,35 +719,31 @@
 						"credit": item.amount,
 						"remarks": self.doc.remarks,
 						"cost_center": item.cost_center
-					}, is_cancel)
+					})
 				)
-			# if auto inventory accounting enabled and stock item, 
-			# then do stock related gl entries
-			if auto_inventory_accounting and item.delivery_note and \
-					webnotes.conn.get_value("Item", item.item_code, "is_stock_item")=="Yes":
-				# to-do
-				purchase_rate = webnotes.conn.get_value("Delivery Note Item", 
-					item.dn_detail, "purchase_rate")
-				valuation_amount =  purchase_rate * item.qty
-				# expense account gl entries
-				if flt(valuation_amount):
-					gl_entries.append(
-						self.get_gl_dict({
-							"account": item.expense_account,
-							"against": "Stock Delivered But Not Billed - %s" % (abbr,),
-							"debit": valuation_amount,
-							"remarks": self.doc.remarks or "Accounting Entry for Stock"
-						}, is_cancel)
-					)
-					gl_entries.append(
-						self.get_gl_dict({
-							"account": "Stock Delivered But Not Billed - %s" % (abbr,),
-							"against": item.expense_account,
-							"credit": valuation_amount,
-							"remarks": self.doc.remarks or "Accounting Entry for Stock"
-						}, is_cancel)
-					)
-		if self.doc.is_pos and self.doc.cash_bank_account and self.doc.paid_amount:
+				
+			# expense account gl entries
+			if auto_inventory_accounting and flt(item.buying_amount):
+				gl_entries.append(
+					self.get_gl_dict({
+						"account": item.expense_account,
+						"against": stock_account,
+						"debit": item.buying_amount,
+						"remarks": self.doc.remarks or "Accounting Entry for Stock",
+						"cost_center": item.cost_center
+					})
+				)
+				gl_entries.append(
+					self.get_gl_dict({
+						"account": stock_account,
+						"against": item.expense_account,
+						"credit": item.buying_amount,
+						"remarks": self.doc.remarks or "Accounting Entry for Stock"
+					})
+				)
+	
+	def make_pos_gl_entries(self, gl_entries):
+		if cint(self.doc.is_pos) and self.doc.cash_bank_account and self.doc.paid_amount:
 			# POS, make payment entries
 			gl_entries.append(
 				self.get_gl_dict({
@@ -730,7 +753,7 @@
 					"remarks": self.doc.remarks,
 					"against_voucher": self.doc.name,
 					"against_voucher_type": self.doc.doctype,
-				}, is_cancel)
+				})
 			)
 			gl_entries.append(
 				self.get_gl_dict({
@@ -738,7 +761,7 @@
 					"against": self.doc.debit_to,
 					"debit": self.doc.paid_amount,
 					"remarks": self.doc.remarks,
-				}, is_cancel)
+				})
 			)
 			# write off entries, applicable if only pos
 			if self.doc.write_off_account and self.doc.write_off_amount:
@@ -750,7 +773,7 @@
 						"remarks": self.doc.remarks,
 						"against_voucher": self.doc.name,
 						"against_voucher_type": self.doc.doctype,
-					}, is_cancel)
+					})
 				)
 				gl_entries.append(
 					self.get_gl_dict({
@@ -759,23 +782,45 @@
 						"debit": self.doc.write_off_amount,
 						"remarks": self.doc.remarks,
 						"cost_center": self.doc.write_off_cost_center
-					}, is_cancel)
+					})
 				)
+	
+	def set_buying_amount(self):
+		if cint(self.doc.is_pos) and cint(self.doc.update_stock):
+			stock_ledger_entries = self.get_stock_ledger_entries()
+			item_sales_bom = get_sales_bom()
+		else:
+			stock_ledger_entries = item_sales_bom = None
+			
+		for item in self.doclist.get({"parentfield": "entries"}):
+			if item.item_code in self.stock_items:
+				item.buying_amount = self.get_item_buying_amount(item, stock_ledger_entries, 
+					item_sales_bom)
+				webnotes.conn.set_value("Sales Invoice Item", item.name, 
+					"buying_amount", item.buying_amount)
+	
+	def get_item_buying_amount(self, item, stock_ledger_entries, item_sales_bom):
+		item_buying_amount = 0
+		if stock_ledger_entries:
+			# is pos and update stock
+			item_buying_amount = get_buying_amount(item.item_code, item.warehouse, item.qty, 
+				self.doc.doctype, self.doc.name, item.name, stock_ledger_entries, item_sales_bom)
+		elif item.delivery_note and item.dn_detail:
+			# against delivery note
+			dn_item = webnotes.conn.get_value("Delivery Note Item", item.dn_detail, 
+				["buying_amount", "qty"], as_dict=1)
+			item_buying_rate = flt(dn_item.buying_amount) / flt(dn_item.qty)
+			item_buying_amount = item_buying_rate * flt(item.qty)
 		
-		
-		update_outstanding = self.doc.is_pos and self.doc.write_off_account and 'No' or 'Yes'
-		merge_entries=cint(self.doc.is_pos)!=1 and 1 or 0
-		if gl_entries:
-			make_gl_entries(gl_entries, cancel=is_cancel, 
-				update_outstanding=update_outstanding, merge_entries=merge_entries)
-
+		return item_buying_amount
+			
 	def update_c_form(self):
 		"""Update amended id in C-form"""
 		if self.doc.c_form_no and self.doc.amended_from:
 			webnotes.conn.sql("""update `tabC-Form Invoice Detail` set invoice_no = %s,
-					invoice_date = %s, territory = %s, net_total = %s,
-					grand_total = %s where invoice_no = %s and parent = %s""", (self.doc.name, self.doc.amended_from, self.doc.c_form_no))
-
+				invoice_date = %s, territory = %s, net_total = %s,
+				grand_total = %s where invoice_no = %s and parent = %s""", 
+				(self.doc.name, self.doc.amended_from, self.doc.c_form_no))
 
 	def check_next_docstatus(self):
 		submit_jv = webnotes.conn.sql("select t1.name from `tabJournal Voucher` t1,`tabJournal Voucher Detail` t2 where t1.name = t2.parent and t2.against_invoice = '%s' and t1.docstatus = 1" % (self.doc.name))
diff --git a/accounts/doctype/sales_invoice/test_sales_invoice.py b/accounts/doctype/sales_invoice/test_sales_invoice.py
index 1f165f0..84eddea 100644
--- a/accounts/doctype/sales_invoice/test_sales_invoice.py
+++ b/accounts/doctype/sales_invoice/test_sales_invoice.py
@@ -53,16 +53,17 @@
 			"Batched for Billing")
 			
 	def test_sales_invoice_gl_entry_without_aii(self):
+		webnotes.defaults.set_global_default("auto_inventory_accounting", 0)
+		
 		si = webnotes.bean(webnotes.copy_doclist(test_records[1]))
 		si.insert()
 		si.submit()
 		
-		webnotes.defaults.set_global_default("auto_inventory_accounting", 0)
-		
 		gl_entries = webnotes.conn.sql("""select account, debit, credit
 			from `tabGL Entry` where voucher_type='Sales Invoice' and voucher_no=%s
 			order by account asc""", si.doc.name, as_dict=1)
 		self.assertTrue(gl_entries)
+		
 		expected_values = sorted([
 			[si.doc.debit_to, 630.0, 0.0],
 			[test_records[1][1]["income_account"], 0.0, 500.0],
@@ -74,8 +75,20 @@
 			self.assertEquals(expected_values[i][0], gle.account)
 			self.assertEquals(expected_values[i][1], gle.debit)
 			self.assertEquals(expected_values[i][2], gle.credit)
+			
+		# cancel
+		si.cancel()
 		
-	def test_sales_invoice_gl_entry_with_aii(self):
+		gle_count = webnotes.conn.sql("""select count(name) from `tabGL Entry` 
+			where voucher_type='Sales Invoice' and voucher_no=%s 
+			and ifnull(is_cancelled, 'No') = 'Yes'
+			order by account asc""", si.doc.name)
+		
+		self.assertEquals(gle_count[0][0], 8)
+		
+	def test_sales_invoice_gl_entry_with_aii_delivery_note(self):
+		webnotes.conn.sql("delete from `tabStock Ledger Entry`")
+		
 		webnotes.defaults.set_global_default("auto_inventory_accounting", 1)
 		
 		self._insert_purchase_receipt()
@@ -83,8 +96,10 @@
 		
 		si_against_dn = webnotes.copy_doclist(test_records[1])
 		si_against_dn[1]["delivery_note"] = dn.doc.name
-		si = webnotes.bean(si_against_dn)
+		si_against_dn[1]["dn_detail"] = dn.doclist[1].name
+		si = webnotes.bean(si_against_dn)		
 		si.insert()
+		
 		si.submit()
 		
 		gl_entries = webnotes.conn.sql("""select account, debit, credit
@@ -100,15 +115,154 @@
 			["Stock Delivered But Not Billed - _TC", 0.0, 375.0],
 			[test_records[1][1]["expense_account"], 375.0, 0.0]
 		])
-		print expected_values
-		print gl_entries
 		for i, gle in enumerate(gl_entries):
 			self.assertEquals(expected_values[i][0], gle.account)
 			self.assertEquals(expected_values[i][1], gle.debit)
 			self.assertEquals(expected_values[i][2], gle.credit)
 			
+		si.cancel()
+		gl_entries = webnotes.conn.sql("""select account, debit, credit
+			from `tabGL Entry` where voucher_type='Sales Invoice' and voucher_no=%s
+			and ifnull(is_cancelled, 'No') = 'No' 
+			order by account asc, name asc""", si.doc.name, as_dict=1)
+			
+		expected_values = sorted([
+			[si.doc.debit_to, 630.0, 0.0],
+			[si.doc.debit_to, 0.0, 630.0],
+			[test_records[1][1]["income_account"], 0.0, 500.0],
+			[test_records[1][1]["income_account"], 500.0, 0.0],
+			[test_records[1][2]["account_head"], 0.0, 80.0],
+			[test_records[1][2]["account_head"], 80.0, 0.0],
+			[test_records[1][3]["account_head"], 0.0, 50.0],
+			[test_records[1][3]["account_head"], 50.0, 0.0],
+			["Stock Delivered But Not Billed - _TC", 0.0, 375.0],
+			["Stock Delivered But Not Billed - _TC", 375.0, 0.0],
+			[test_records[1][1]["expense_account"], 375.0, 0.0],
+			[test_records[1][1]["expense_account"], 0.0, 375.0]
+			
+		])
+		for i, gle in enumerate(gl_entries):
+			self.assertEquals(expected_values[i][0], gle.account)
+			self.assertEquals(expected_values[i][1], gle.debit)
+			self.assertEquals(expected_values[i][2], gle.credit)
+			
+		webnotes.defaults.set_global_default("auto_inventory_accounting", 0)
+		
+	def test_pos_gl_entry_with_aii(self):
+		webnotes.conn.sql("delete from `tabStock Ledger Entry`")
 		webnotes.defaults.set_global_default("auto_inventory_accounting", 1)
 		
+		self._insert_purchase_receipt()
+		self._insert_pos_settings()
+		
+		pos = webnotes.copy_doclist(test_records[1])
+		pos[0]["is_pos"] = 1
+		pos[0]["update_stock"] = 1
+		pos[0]["posting_time"] = "12:05"
+		pos[0]["cash_bank_account"] = "_Test Account Bank Account - _TC"
+		pos[0]["paid_amount"] = 600.0
+
+		si = webnotes.bean(pos)
+		si.insert()
+		si.submit()
+		
+		# check stock ledger entries
+		sle = webnotes.conn.sql("""select * from `tabStock Ledger Entry` 
+			where voucher_type = 'Sales Invoice' and voucher_no = %s""", si.doc.name, as_dict=1)[0]
+		self.assertTrue(sle)
+		self.assertEquals([sle.item_code, sle.warehouse, sle.actual_qty], 
+			["_Test Item", "_Test Warehouse", -5.0])
+		
+		# check gl entries
+		stock_in_hand_account = webnotes.conn.get_value("Company", "_Test Company", 
+			"stock_in_hand_account")
+		
+		gl_entries = webnotes.conn.sql("""select account, debit, credit
+			from `tabGL Entry` where voucher_type='Sales Invoice' and voucher_no=%s
+			order by account asc, debit asc""", si.doc.name, as_dict=1)
+		self.assertTrue(gl_entries)
+		
+		expected_gl_entries = sorted([
+			[si.doc.debit_to, 630.0, 0.0],
+			[test_records[1][1]["income_account"], 0.0, 500.0],
+			[test_records[1][2]["account_head"], 0.0, 80.0],
+			[test_records[1][3]["account_head"], 0.0, 50.0],
+			[stock_in_hand_account, 0.0, 375.0],
+			[test_records[1][1]["expense_account"], 375.0, 0.0],
+			[si.doc.debit_to, 0.0, 600.0],
+			["_Test Account Bank Account - _TC", 600.0, 0.0]
+		])
+		for i, gle in enumerate(gl_entries):
+			self.assertEquals(expected_gl_entries[i][0], gle.account)
+			self.assertEquals(expected_gl_entries[i][1], gle.debit)
+			self.assertEquals(expected_gl_entries[i][2], gle.credit)
+		
+		# cancel
+		si.cancel()
+		gl_count = webnotes.conn.sql("""select count(name)
+			from `tabGL Entry` where voucher_type='Sales Invoice' and voucher_no=%s
+			and ifnull(is_cancelled, 'No') = 'Yes' 
+			order by account asc, name asc""", si.doc.name)
+		
+		self.assertEquals(gl_count[0][0], 16)
+			
+		webnotes.defaults.set_global_default("auto_inventory_accounting", 0)
+		
+	def test_sales_invoice_gl_entry_with_aii_no_item_code(self):		
+		webnotes.defaults.set_global_default("auto_inventory_accounting", 1)
+				
+		si_copy = webnotes.copy_doclist(test_records[1])
+		si_copy[1]["item_code"] = None
+		si = webnotes.bean(si_copy)		
+		si.insert()
+		si.submit()
+		
+		gl_entries = webnotes.conn.sql("""select account, debit, credit
+			from `tabGL Entry` where voucher_type='Sales Invoice' and voucher_no=%s
+			order by account asc""", si.doc.name, as_dict=1)
+		self.assertTrue(gl_entries)
+		
+		expected_values = sorted([
+			[si.doc.debit_to, 630.0, 0.0],
+			[test_records[1][1]["income_account"], 0.0, 500.0],
+			[test_records[1][2]["account_head"], 0.0, 80.0],
+			[test_records[1][3]["account_head"], 0.0, 50.0],
+		])
+		for i, gle in enumerate(gl_entries):
+			self.assertEquals(expected_values[i][0], gle.account)
+			self.assertEquals(expected_values[i][1], gle.debit)
+			self.assertEquals(expected_values[i][2], gle.credit)
+				
+		webnotes.defaults.set_global_default("auto_inventory_accounting", 0)
+	
+	def test_sales_invoice_gl_entry_with_aii_non_stock_item(self):		
+		webnotes.defaults.set_global_default("auto_inventory_accounting", 1)
+		
+		si_copy = webnotes.copy_doclist(test_records[1])
+		si_copy[1]["item_code"] = "_Test Non Stock Item"
+		si = webnotes.bean(si_copy)
+		si.insert()
+		si.submit()
+		
+		gl_entries = webnotes.conn.sql("""select account, debit, credit
+			from `tabGL Entry` where voucher_type='Sales Invoice' and voucher_no=%s
+			order by account asc""", si.doc.name, as_dict=1)
+		self.assertTrue(gl_entries)
+		
+		expected_values = sorted([
+			[si.doc.debit_to, 630.0, 0.0],
+			[test_records[1][1]["income_account"], 0.0, 500.0],
+			[test_records[1][2]["account_head"], 0.0, 80.0],
+			[test_records[1][3]["account_head"], 0.0, 50.0],
+		])
+		for i, gle in enumerate(gl_entries):
+			self.assertEquals(expected_values[i][0], gle.account)
+			self.assertEquals(expected_values[i][1], gle.debit)
+			self.assertEquals(expected_values[i][2], gle.credit)
+				
+		webnotes.defaults.set_global_default("auto_inventory_accounting", 0)
+		
+		
 		
 	def _insert_purchase_receipt(self):
 		from stock.doctype.purchase_receipt.test_purchase_receipt import test_records \
@@ -126,6 +280,23 @@
 		dn.submit()
 		return dn
 		
+	def _insert_pos_settings(self):
+		ps = webnotes.bean([
+			{
+				"cash_bank_account": "_Test Account Bank Account - _TC", 
+				"company": "_Test Company", 
+				"conversion_rate": 1.0, 
+				"cost_center": "_Test Cost Center - _TC", 
+				"currency": "INR", 
+				"doctype": "POS Setting", 
+				"income_account": "_Test Account Bank Account - _TC", 
+				"price_list_name": "_Test Price List", 
+				"territory": "_Test Territory", 
+				"warehouse": "_Test Warehouse"
+			}
+		])
+		ps.insert()
+		
 test_dependencies = ["Journal Voucher"]
 
 test_records = [
@@ -178,7 +349,19 @@
 			"doctype": "Sales Taxes and Charges", 
 			"parentfield": "other_charges",
 			"tax_amount": 31.8,
-		}
+		},
+		{
+			"parentfield": "sales_team",
+			"doctype": "Sales Team",
+			"sales_person": "_Test Sales Person 1",
+			"allocated_percentage": 65.5,
+		},
+		{
+			"parentfield": "sales_team",
+			"doctype": "Sales Team",
+			"sales_person": "_Test Sales Person 2",
+			"allocated_percentage": 34.5,
+		},
 	],
 	[
 		{
@@ -207,13 +390,13 @@
 			"description": "_Test Item", 
 			"doctype": "Sales Invoice Item", 
 			"parentfield": "entries",
-			"qty": 1.0,
+			"qty": 5.0,
 			"basic_rate": 500.0,
 			"amount": 500.0, 
 			"export_rate": 500.0, 
 			"export_amount": 500.0, 
 			"income_account": "Sales - _TC",
-			"expense_account": "_Test Account Cost for Goods Sold",
+			"expense_account": "_Test Account Cost for Goods Sold - _TC",
 			"cost_center": "_Test Cost Center - _TC",
 		}, 
 		{
diff --git a/accounts/doctype/sales_invoice_item/sales_invoice_item.txt b/accounts/doctype/sales_invoice_item/sales_invoice_item.txt
index c8b18a4..ca078b5 100644
--- a/accounts/doctype/sales_invoice_item/sales_invoice_item.txt
+++ b/accounts/doctype/sales_invoice_item/sales_invoice_item.txt
@@ -1,8 +1,8 @@
 [
  {
-  "creation": "2013-03-05 09:11:04", 
+  "creation": "2013-03-07 11:42:55", 
   "docstatus": 0, 
-  "modified": "2013-03-07 07:03:30", 
+  "modified": "2013-03-11 14:58:50", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -30,7 +30,8 @@
   "fieldname": "barcode", 
   "fieldtype": "Data", 
   "label": "Barcode", 
-  "print_hide": 1
+  "print_hide": 1, 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -42,6 +43,7 @@
   "oldfieldtype": "Link", 
   "options": "Item", 
   "print_hide": 0, 
+  "read_only": 0, 
   "reqd": 0, 
   "search_index": 1
  }, 
@@ -63,6 +65,7 @@
   "oldfieldname": "item_name", 
   "oldfieldtype": "Data", 
   "print_hide": 1, 
+  "read_only": 0, 
   "reqd": 1, 
   "search_index": 0
  }, 
@@ -74,6 +77,7 @@
   "oldfieldname": "description", 
   "oldfieldtype": "Text", 
   "print_width": "200px", 
+  "read_only": 0, 
   "reqd": 1, 
   "width": "200px"
  }, 
@@ -84,6 +88,7 @@
   "label": "Qty", 
   "oldfieldname": "qty", 
   "oldfieldtype": "Currency", 
+  "read_only": 0, 
   "reqd": 0
  }, 
  {
@@ -102,6 +107,7 @@
   "oldfieldtype": "Currency", 
   "options": "currency", 
   "print_hide": 1, 
+  "read_only": 0, 
   "reqd": 0
  }, 
  {
@@ -111,7 +117,8 @@
   "label": "Discount (%)", 
   "oldfieldname": "adj_rate", 
   "oldfieldtype": "Float", 
-  "print_hide": 1
+  "print_hide": 1, 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -121,6 +128,7 @@
   "oldfieldname": "export_rate", 
   "oldfieldtype": "Currency", 
   "options": "currency", 
+  "read_only": 0, 
   "reqd": 1
  }, 
  {
@@ -155,6 +163,7 @@
   "oldfieldtype": "Currency", 
   "options": "Company:company:default_currency", 
   "print_hide": 1, 
+  "read_only": 0, 
   "reqd": 1, 
   "search_index": 0
  }, 
@@ -179,7 +188,8 @@
   "oldfieldname": "warehouse", 
   "oldfieldtype": "Link", 
   "options": "Warehouse", 
-  "print_hide": 1
+  "print_hide": 1, 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -192,11 +202,22 @@
   "options": "Account", 
   "print_hide": 1, 
   "print_width": "120px", 
+  "read_only": 0, 
   "reqd": 1, 
   "width": "120px"
  }, 
  {
   "doctype": "DocField", 
+  "fieldname": "expense_account", 
+  "fieldtype": "Link", 
+  "hidden": 1, 
+  "in_filter": 1, 
+  "label": "Expense Account", 
+  "options": "Account", 
+  "print_hide": 1
+ }, 
+ {
+  "doctype": "DocField", 
   "fieldname": "cost_center", 
   "fieldtype": "Link", 
   "in_filter": 1, 
@@ -206,6 +227,7 @@
   "options": "Cost Center", 
   "print_hide": 1, 
   "print_width": "120px", 
+  "read_only": 0, 
   "reqd": 0, 
   "width": "120px"
  }, 
@@ -217,7 +239,8 @@
   "label": "Serial No", 
   "oldfieldname": "serial_no", 
   "oldfieldtype": "Small Text", 
-  "print_hide": 0
+  "print_hide": 0, 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -225,7 +248,8 @@
   "fieldtype": "Link", 
   "label": "Batch No", 
   "options": "Batch", 
-  "print_hide": 1
+  "print_hide": 1, 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -249,7 +273,8 @@
   "label": "Brand Name", 
   "oldfieldname": "brand", 
   "oldfieldtype": "Data", 
-  "print_hide": 1
+  "print_hide": 1, 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -328,7 +353,8 @@
   "fieldname": "time_log_batch", 
   "fieldtype": "Link", 
   "label": "Time Log Batch", 
-  "options": "Time Log Batch"
+  "options": "Time Log Batch", 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -354,6 +380,17 @@
   "read_only": 1
  }, 
  {
+  "doctype": "DocField", 
+  "fieldname": "buying_amount", 
+  "fieldtype": "Currency", 
+  "hidden": 1, 
+  "label": "Buying Amount", 
+  "no_copy": 1, 
+  "options": "Company:company:default_currency", 
+  "print_hide": 1, 
+  "read_only": 1
+ }, 
+ {
   "allow_on_submit": 1, 
   "doctype": "DocField", 
   "fieldname": "page_break", 
@@ -361,6 +398,7 @@
   "label": "Page Break", 
   "no_copy": 1, 
   "print_hide": 1, 
+  "read_only": 0, 
   "report_hide": 1
  }
 ]
\ No newline at end of file
diff --git a/accounts/report/gross_profit/gross_profit.py b/accounts/report/gross_profit/gross_profit.py
index fa926da..f1ae00e 100644
--- a/accounts/report/gross_profit/gross_profit.py
+++ b/accounts/report/gross_profit/gross_profit.py
@@ -25,7 +25,7 @@
 	for row in delivery_note_items:
 		selling_amount = flt(row.amount)
 		buying_amount = get_buying_amount(row.item_code, row.warehouse, 
-			row.qty, row.name, row.item_row, stock_ledger_entries, item_sales_bom)
+			row.qty, "Delivery Note", row.name, row.item_row, stock_ledger_entries, item_sales_bom)
 		if selling_amount:
 			gross_profit = selling_amount - buying_amount
 			gross_profit_percent = (gross_profit / selling_amount) * 100.0
diff --git a/controllers/accounts_controller.py b/controllers/accounts_controller.py
index aa52b5e..73d7608 100644
--- a/controllers/accounts_controller.py
+++ b/controllers/accounts_controller.py
@@ -21,7 +21,7 @@
 from utilities.transaction_base import TransactionBase
 
 class AccountsController(TransactionBase):
-	def get_gl_dict(self, args, cancel):
+	def get_gl_dict(self, args, cancel=None):
 		"""this method populates the common properties of a gl entry record"""
 		gl_dict = {
 			'company': self.doc.company, 
@@ -30,7 +30,7 @@
 			'voucher_no': self.doc.name,
 			'aging_date': self.doc.fields.get("aging_date") or self.doc.posting_date,
 			'remarks': self.doc.remarks,
-			'is_cancelled': cancel and "Yes" or "No",
+			'is_cancelled': self.doc.docstatus == 2 and "Yes" or "No",
 			'fiscal_year': self.doc.fiscal_year,
 			'debit': 0,
 			'credit': 0,
diff --git a/controllers/selling_controller.py b/controllers/selling_controller.py
index 94a56e3..40606c3 100644
--- a/controllers/selling_controller.py
+++ b/controllers/selling_controller.py
@@ -37,4 +37,27 @@
 				self.doc.grand_total or self.doc.rounded_total, company_currency)
 		if self.meta.get_field("in_words_export"):
 			self.doc.in_words_export = money_in_words(disable_rounded_total and 
-				self.doc.grand_total_export or self.doc.rounded_total_export, self.doc.currency)
\ No newline at end of file
+				self.doc.grand_total_export or self.doc.rounded_total_export, self.doc.currency)
+	
+	def get_stock_ledger_entries(self):
+		item_list, warehouse_list = self.get_distinct_item_warehouse()
+		if item_list and warehouse_list:
+			return webnotes.conn.sql("""select item_code, voucher_type, voucher_no,
+				voucher_detail_no, posting_date, posting_time, stock_value,
+				warehouse, actual_qty as qty from `tabStock Ledger Entry` 
+				where ifnull(`is_cancelled`, "No") = "No" and company = %s 
+				and item_code in (%s) and warehouse in (%s)
+				order by item_code desc, warehouse desc, posting_date desc, 
+				posting_time desc, name desc""" % 
+				('%s', ', '.join(['%s']*len(item_list)), ', '.join(['%s']*len(warehouse_list))), 
+				tuple([self.doc.company] + item_list + warehouse_list), as_dict=1)
+
+	def get_distinct_item_warehouse(self):
+		item_list = []
+		warehouse_list = []
+		for item in self.doclist.get({"parentfield": self.fname}) \
+				+ self.doclist.get({"parentfield": "packing_details"}):
+			item_list.append(item.item_code)
+			warehouse_list.append(item.warehouse)
+			
+		return list(set(item_list)), list(set(warehouse_list))
\ No newline at end of file
diff --git a/home/page/latest_updates/latest_updates.js b/home/page/latest_updates/latest_updates.js
index b387aad..b66fe4c 100644
--- a/home/page/latest_updates/latest_updates.js
+++ b/home/page/latest_updates/latest_updates.js
@@ -1,6 +1,14 @@
 erpnext.updates = [
+	["5th March", ["Refactored Upload Attendace Tool"]],
+	["4th March", ["Lead organization added in Quotation classic/spartan/modern print format"]],
 	["1st March", [
-		"Time Log, Time Log Batch: Created feature to batch Time Logs so that they can be tracked for billing."
+		"Time Log, Time Log Batch: Created feature to batch Time Logs so that they can be tracked for billing.",
+		"Sub-contracting code refactored for PO",
+	]],
+	["28th February", [
+	"Datatype validation in Voucher Import Tool",
+	"Fixes for conversion factor in old invoices",
+	"Fixed asynchronus issue in purchase cycle"
 	]],
 	["27th February", [
 		"Time Log: Created Time Log System, with Calendar View."
diff --git a/patches/march_2013/p03_update_buying_amount.py b/patches/march_2013/p03_update_buying_amount.py
new file mode 100644
index 0000000..e45a3db
--- /dev/null
+++ b/patches/march_2013/p03_update_buying_amount.py
@@ -0,0 +1,10 @@
+import webnotes
+
+def execute():
+	dn_list = webnotes.conn.sql("""select name from `tabDelivery Note` where docstatus < 2""")
+	for dn in dn_list:
+		webnotes.bean("Delivery Note", dn[0]).set_buying_amount()
+		
+	si_list = webnotes.conn.sql("""select name from `tabSales Invoice` where docstatus < 2""")
+	for si in si_list:
+		webnotes.bean("Sales Invoice", si[0]).set_buying_amount()
\ No newline at end of file
diff --git a/setup/doctype/sales_person/test_sales_person.py b/setup/doctype/sales_person/test_sales_person.py
index 5af4509..2dea3e5 100644
--- a/setup/doctype/sales_person/test_sales_person.py
+++ b/setup/doctype/sales_person/test_sales_person.py
@@ -4,5 +4,19 @@
 		"sales_person_name": "_Test Sales Person",
 		"parent_sales_person": "All Sales Persons",
 		"is_group": "No"
+	}],
+	[{
+		"doctype": "Sales Person",
+		"sales_person_name": "_Test Sales Person 1",
+		"parent_sales_person": "All Sales Persons",
+		"is_group": "No"
+	}],
+	[{
+		"doctype": "Sales Person",
+		"sales_person_name": "_Test Sales Person 2",
+		"parent_sales_person": "All Sales Persons",
+		"is_group": "No"
 	}]
+	
+	
 ]
\ No newline at end of file
diff --git a/stock/doctype/delivery_note/delivery_note.py b/stock/doctype/delivery_note/delivery_note.py
index c0b9916..3d799c4 100644
--- a/stock/doctype/delivery_note/delivery_note.py
+++ b/stock/doctype/delivery_note/delivery_note.py
@@ -225,7 +225,12 @@
 			bin = sql("select actual_qty, projected_qty from `tabBin` where item_code =	%s and warehouse = %s", (d.item_code, d.warehouse), as_dict = 1)
 			d.actual_qty = bin and flt(bin[0]['actual_qty']) or 0
 			d.projected_qty = bin and flt(bin[0]['projected_qty']) or 0
-
+			
+	def on_update(self):
+		self.doclist = get_obj('Sales Common').make_packing_list(self,'delivery_note_details')
+		sl = get_obj('Stock Ledger')
+		sl.scrub_serial_nos(self)
+		sl.scrub_serial_nos(self, 'packing_details')
 
 	def on_submit(self):
 		self.validate_packed_qty()
@@ -252,6 +257,7 @@
 
 		self.credit_limit()
 		
+		self.set_buying_amount()
 		self.make_gl_entries()
 
 		# set DN status
@@ -387,13 +393,19 @@
 		if amount != 0:
 			total = (amount/self.doc.net_total)*self.doc.grand_total
 			get_obj('Sales Common').check_credit(self, total)
-
-
-	def on_update(self):
-		self.doclist = get_obj('Sales Common').make_packing_list(self,'delivery_note_details')
-		sl = get_obj('Stock Ledger')
-		sl.scrub_serial_nos(self)
-		sl.scrub_serial_nos(self, 'packing_details')
+		
+	def set_buying_amount(self):
+		from stock.utils import get_buying_amount, get_sales_bom
+		stock_ledger_entries = self.get_stock_ledger_entries()
+		item_sales_bom = get_sales_bom()
+		
+		if stock_ledger_entries:
+			for item in self.doclist.get({"parentfield": "delivery_note_details"}):
+				item.buying_amount = get_buying_amount(item.item_code, item.warehouse, item.qty, 
+					self.doc.doctype, self.doc.name, item.name, stock_ledger_entries, 
+					item_sales_bom)
+				webnotes.conn.set_value("Delivery Note Item", item.name, "buying_amount", 
+					item.buying_amount)
 		
 	def make_gl_entries(self):
 		if not cint(webnotes.defaults.get_global_default("auto_inventory_accounting")):
@@ -426,38 +438,6 @@
 			make_gl_entries(gl_entries, cancel=self.doc.docstatus == 2)
 			
 	def get_total_buying_amount(self):
-		from stock.utils import get_buying_amount, get_sales_bom
-		stock_ledger_entries = self.get_stock_ledger_entries()
-		item_sales_bom = get_sales_bom()
-		total_buying_amount = 0
-		
-		if stock_ledger_entries:
-			for item in self.doclist.get({"parentfield": "delivery_note_details"}):
-				buying_amount = get_buying_amount(item.item_code, item.warehouse, item.qty, 
-					self.doc.name, item.name, stock_ledger_entries, item_sales_bom)
-				total_buying_amount += buying_amount
-			
-		return total_buying_amount
-		
-	def get_stock_ledger_entries(self):
-		item_list, warehouse_list = self.get_distinct_item_warehouse()
-		if item_list and warehouse_list:
-			return webnotes.conn.sql("""select item_code, voucher_type, voucher_no,
-				voucher_detail_no, posting_date, posting_time, stock_value,
-				warehouse, actual_qty as qty from `tabStock Ledger Entry` 
-				where ifnull(`is_cancelled`, "No") = "No" and company = %s 
-				and item_code in (%s) and warehouse in (%s)
-				order by item_code desc, warehouse desc, posting_date desc, 
-				posting_time desc, name desc""" % 
-				('%s', ', '.join(['%s']*len(item_list)), ', '.join(['%s']*len(warehouse_list))), 
-				tuple([self.doc.company] + item_list + warehouse_list), as_dict=1)
-
-	def get_distinct_item_warehouse(self):
-		item_list = []
-		warehouse_list = []
-		for item in self.doclist.get({"parentfield": "delivery_note_details"}) \
-				+ self.doclist.get({"parentfield": "packing_details"}):
-			item_list.append(item.item_code)
-			warehouse_list.append(item.warehouse)
-			
-		return list(set(item_list)), list(set(warehouse_list))
\ No newline at end of file
+		total_buying_amount = sum([item.buying_amount for item in 
+			self.doclist.get({"parentfield": "delivery_note_details"})])
+		return total_buying_amount
\ No newline at end of file
diff --git a/stock/doctype/delivery_note/test_delivery_note.py b/stock/doctype/delivery_note/test_delivery_note.py
index acdf8b9..d0b440c 100644
--- a/stock/doctype/delivery_note/test_delivery_note.py
+++ b/stock/doctype/delivery_note/test_delivery_note.py
@@ -48,6 +48,8 @@
 		
 	def test_delivery_note_gl_entry(self):
 		webnotes.conn.sql("""delete from `tabBin`""")
+		webnotes.conn.sql("delete from `tabStock Ledger Entry`")
+		
 		webnotes.defaults.set_global_default("auto_inventory_accounting", 1)
 		self.assertEqual(cint(webnotes.defaults.get_global_default("auto_inventory_accounting")), 1)
 		
diff --git a/stock/doctype/delivery_note_item/delivery_note_item.txt b/stock/doctype/delivery_note_item/delivery_note_item.txt
index 985a072..47b0d33 100644
--- a/stock/doctype/delivery_note_item/delivery_note_item.txt
+++ b/stock/doctype/delivery_note_item/delivery_note_item.txt
@@ -1,8 +1,8 @@
 [
  {
-  "creation": "2013-02-22 01:28:00", 
+  "creation": "2013-03-07 11:42:59", 
   "docstatus": 0, 
-  "modified": "2013-03-07 07:03:20", 
+  "modified": "2013-03-07 15:46:43", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -30,7 +30,8 @@
   "fieldname": "barcode", 
   "fieldtype": "Data", 
   "label": "Barcode", 
-  "print_hide": 1
+  "print_hide": 1, 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -42,6 +43,7 @@
   "oldfieldtype": "Link", 
   "options": "Item", 
   "print_width": "150px", 
+  "read_only": 0, 
   "reqd": 1, 
   "search_index": 1, 
   "width": "150px"
@@ -64,6 +66,7 @@
   "oldfieldtype": "Data", 
   "print_hide": 1, 
   "print_width": "150px", 
+  "read_only": 0, 
   "reqd": 1, 
   "width": "150px"
  }, 
@@ -75,6 +78,7 @@
   "oldfieldname": "description", 
   "oldfieldtype": "Small Text", 
   "print_width": "300px", 
+  "read_only": 0, 
   "reqd": 1, 
   "width": "300px"
  }, 
@@ -87,6 +91,7 @@
   "oldfieldname": "qty", 
   "oldfieldtype": "Currency", 
   "print_width": "100px", 
+  "read_only": 0, 
   "reqd": 1, 
   "width": "100px"
  }, 
@@ -115,6 +120,7 @@
   "options": "currency", 
   "print_hide": 1, 
   "print_width": "100px", 
+  "read_only": 0, 
   "reqd": 0, 
   "width": "100px"
  }, 
@@ -128,6 +134,7 @@
   "oldfieldtype": "Float", 
   "print_hide": 1, 
   "print_width": "100px", 
+  "read_only": 0, 
   "width": "100px"
  }, 
  {
@@ -140,6 +147,7 @@
   "options": "currency", 
   "print_hide": 0, 
   "print_width": "150px", 
+  "read_only": 0, 
   "reqd": 0, 
   "width": "150px"
  }, 
@@ -181,6 +189,7 @@
   "options": "Company:company:default_currency", 
   "print_hide": 1, 
   "print_width": "150px", 
+  "read_only": 0, 
   "reqd": 0, 
   "width": "150px"
  }, 
@@ -208,6 +217,7 @@
   "options": "Warehouse", 
   "print_hide": 1, 
   "print_width": "100px", 
+  "read_only": 0, 
   "width": "100px"
  }, 
  {
@@ -219,7 +229,8 @@
   "no_copy": 1, 
   "oldfieldname": "serial_no", 
   "oldfieldtype": "Text", 
-  "print_hide": 0
+  "print_hide": 0, 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -229,7 +240,8 @@
   "oldfieldname": "batch_no", 
   "oldfieldtype": "Link", 
   "options": "Batch", 
-  "print_hide": 1
+  "print_hide": 1, 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -376,6 +388,17 @@
   "read_only": 1
  }, 
  {
+  "doctype": "DocField", 
+  "fieldname": "buying_amount", 
+  "fieldtype": "Currency", 
+  "hidden": 1, 
+  "label": "Buying Amount", 
+  "no_copy": 1, 
+  "options": "Company:company:default_currency", 
+  "print_hide": 1, 
+  "read_only": 1
+ }, 
+ {
   "allow_on_submit": 1, 
   "doctype": "DocField", 
   "fieldname": "page_break", 
@@ -383,6 +406,7 @@
   "label": "Page Break", 
   "oldfieldname": "page_break", 
   "oldfieldtype": "Check", 
-  "print_hide": 1
+  "print_hide": 1, 
+  "read_only": 0
  }
 ]
\ No newline at end of file
diff --git a/stock/doctype/item/test_item.py b/stock/doctype/item/test_item.py
index 035774b..f31f245 100644
--- a/stock/doctype/item/test_item.py
+++ b/stock/doctype/item/test_item.py
@@ -127,4 +127,23 @@
 		"is_sub_contracted_item": "Yes",
 		"stock_uom": "_Test UOM"
 	}],
+	[{
+		"doctype": "Item",
+		"item_code": "_Test Non Stock Item",
+		"item_name": "_Test Non Stock Item",
+		"description": "_Test Non Stock Item",
+		"item_group": "_Test Item Group Desktops",
+		"is_stock_item": "No",
+		"is_asset_item": "No",
+		"has_batch_no": "No",
+		"has_serial_no": "No",
+		"is_purchase_item": "Yes",
+		"is_sales_item": "Yes",
+		"is_service_item": "No",
+		"is_sample_item": "No",
+		"inspection_required": "No",
+		"is_pro_applicable": "No",
+		"is_sub_contracted_item": "No",
+		"stock_uom": "_Test UOM"
+	}],
 ]
\ No newline at end of file
diff --git a/stock/stock_ledger.py b/stock/stock_ledger.py
index 60b5fd4..883ced7 100644
--- a/stock/stock_ledger.py
+++ b/stock/stock_ledger.py
@@ -36,7 +36,6 @@
 		}
 	"""
 	previous_sle = get_sle_before_datetime(args)
-	
 	qty_after_transaction = flt(previous_sle.get("qty_after_transaction"))
 	valuation_rate = flt(previous_sle.get("valuation_rate"))
 	stock_queue = json.loads(previous_sle.get("stock_queue") or "[]")
@@ -214,7 +213,6 @@
 def get_fifo_values(qty_after_transaction, sle, stock_queue):
 	incoming_rate = flt(sle.incoming_rate)
 	actual_qty = flt(sle.actual_qty)
-
 	if not stock_queue:
 		stock_queue.append([0, 0])
 
diff --git a/stock/utils.py b/stock/utils.py
index 9055cee..bc6054f 100644
--- a/stock/utils.py
+++ b/stock/utils.py
@@ -164,23 +164,24 @@
 				wlist.append([w])
 	return wlist
 
-def get_buying_amount(item_code, warehouse, qty, voucher_no, voucher_detail_no, 
+def get_buying_amount(item_code, warehouse, qty, voucher_type, voucher_no, voucher_detail_no, 
 		stock_ledger_entries, item_sales_bom):
 	if item_sales_bom.get(item_code):
 		# sales bom item
 		buying_amount = 0.0
 		for bom_item in item_sales_bom[item_code]:
-			buying_amount += _get_buying_amount(voucher_no, "[** No Item Row **]",
+			buying_amount += _get_buying_amount(voucher_type, voucher_no, "[** No Item Row **]",
 				item_code, warehouse, bom_item.qty * qty, stock_ledger_entries)
 		return buying_amount
 	else:
 		# doesn't have sales bom
-		return _get_buying_amount(voucher_no, voucher_detail_no, item_code, warehouse, qty, 
-			stock_ledger_entries)
+		return _get_buying_amount(voucher_type, voucher_no, voucher_detail_no, 
+			item_code, warehouse, qty, stock_ledger_entries)
 		
-def _get_buying_amount(voucher_no, item_row, item_code, warehouse, qty, stock_ledger_entries):
+def _get_buying_amount(voucher_type, voucher_no, item_row, item_code, warehouse, qty, 
+		stock_ledger_entries):
 	for i, sle in enumerate(stock_ledger_entries):
-		if sle.voucher_type == "Delivery Note" and sle.voucher_no == voucher_no:
+		if sle.voucher_type == voucher_type and sle.voucher_no == voucher_no:
 			if (sle.voucher_detail_no == item_row) or \
 				(sle.item_code == item_code and sle.warehouse == warehouse and \
 				abs(flt(sle.qty)) == qty):