Merge pull request #3596 from neilLasrado/pos

Mode of Payment added to POS Profile
diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
index 50a79ec..af144cb 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
@@ -124,20 +124,11 @@
 			}
 		})
 
-		if cint(frappe.defaults.get_global_default('maintain_same_rate')):
-			super(PurchaseInvoice, self).validate_with_previous_doc({
-				"Purchase Order Item": {
-					"ref_dn_field": "po_detail",
-					"compare_fields": [["rate", "="]],
-					"is_child_table": True,
-					"allow_duplicate_prev_row_id": True
-				},
-				"Purchase Receipt Item": {
-					"ref_dn_field": "pr_detail",
-					"compare_fields": [["rate", "="]],
-					"is_child_table": True
-				}
-			})
+		if cint(frappe.db.get_single_value('Buying Settings', 'maintain_same_rate')):
+			self.validate_rate_with_reference_doc([
+				["Purchase Order", "purchase_order", "po_detail"], 
+				["Purchase Receipt", "purchase_receipt", "pr_detail"]
+			])
 
 	def set_against_expense_account(self):
 		auto_accounting_for_stock = cint(frappe.defaults.get_global_default("auto_accounting_for_stock"))
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index c620ff7..f3acc74 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -264,20 +264,11 @@
 			},
 		})
 
-		if cint(frappe.defaults.get_global_default('maintain_same_sales_rate')):
-			super(SalesInvoice, self).validate_with_previous_doc({
-				"Sales Order Item": {
-					"ref_dn_field": "so_detail",
-					"compare_fields": [["rate", "="]],
-					"is_child_table": True,
-					"allow_duplicate_prev_row_id": True
-				},
-				"Delivery Note Item": {
-					"ref_dn_field": "dn_detail",
-					"compare_fields": [["rate", "="]],
-					"is_child_table": True
-				}
-			})
+		if cint(frappe.db.get_single_value('Selling Settings', 'maintain_same_sales_rate')):
+			self.validate_rate_with_reference_doc([
+				["Sales Order", "sales_order", "so_detail"], 
+				["Delivery Note", "delivery_note", "dn_detail"]
+			])
 
 	def set_against_income_account(self):
 		"""Set against account for debit to account"""
diff --git a/erpnext/crm/doctype/opportunity/opportunity.py b/erpnext/crm/doctype/opportunity/opportunity.py
index 0225398..78729a3 100644
--- a/erpnext/crm/doctype/opportunity/opportunity.py
+++ b/erpnext/crm/doctype/opportunity/opportunity.py
@@ -79,7 +79,8 @@
 		if self.customer:
 			self.customer_name = frappe.db.get_value("Customer", self.customer, "customer_name")
 		elif self.lead:
-			self.customer_name = frappe.db.get_value("Lead", self.lead, "lead_name")
+			lead_name, company_name = frappe.db.get_value("Lead", self.lead, ["lead_name", "company_name"])
+			self.customer_name = company_name or lead_name
 
 	def get_cust_address(self,name):
 		details = frappe.db.sql("""select customer_name, address, territory, customer_group
diff --git a/erpnext/stock/doctype/delivery_note/delivery_note.py b/erpnext/stock/doctype/delivery_note/delivery_note.py
index f52f7e5..90a8a6c 100644
--- a/erpnext/stock/doctype/delivery_note/delivery_note.py
+++ b/erpnext/stock/doctype/delivery_note/delivery_note.py
@@ -108,11 +108,9 @@
 		if not self.installation_status: self.installation_status = 'Not Installed'
 
 	def validate_with_previous_doc(self):
-		items = self.get("items")
-
 		for fn in (("Sales Order", "against_sales_order", "so_detail"), 
 				("Sales Invoice", "against_sales_invoice", "si_detail")):
-			if filter(None, [getattr(d, fn[1], None) for d in items]):
+			if filter(None, [getattr(d, fn[1], None) for d in self.get("items")]):
 				super(DeliveryNote, self).validate_with_previous_doc({
 					fn[0]: {
 						"ref_dn_field": fn[1],
@@ -120,15 +118,10 @@
 							["currency", "="]],
 					},
 				})
-
-				if cint(frappe.defaults.get_global_default('maintain_same_sales_rate')):
-					super(DeliveryNote, self).validate_with_previous_doc({
-						fn[0] + " Item": {
-							"ref_dn_field": fn[2],
-							"compare_fields": [["rate", "="]],
-							"is_child_table": True
-						}
-					})
+				
+		if cint(frappe.db.get_single_value('Selling Settings', 'maintain_same_sales_rate')):
+			self.validate_rate_with_reference_doc([["Sales Order", "sales_order", "so_detail"], 
+				["Sales Invoice", "sales_invoice", "si_detail"]])
 
 	def validate_proj_cust(self):
 		"""check for does customer belong to same project as entered.."""
diff --git a/erpnext/stock/doctype/manage_variants/manage_variants.py b/erpnext/stock/doctype/manage_variants/manage_variants.py
index b6784d3..4dcfb22 100644
--- a/erpnext/stock/doctype/manage_variants/manage_variants.py
+++ b/erpnext/stock/doctype/manage_variants/manage_variants.py
@@ -36,8 +36,8 @@
 	def get_attributes(self):
 		attributes = {}
 		self.set('attributes', [])
-		for d in frappe.db.sql("""select attribute, attribute_value from `tabVariant Attribute` as attribute, 
-			`tabItem` as item where attribute.parent= item.name and item.variant_of = %s""", self.item_code, as_dict=1):
+		for d in frappe.db.sql("""select attr.attribute, attr.attribute_value from `tabVariant Attribute` as attr, 
+			`tabItem` as item where attr.parent = item.name and item.variant_of = %s""", self.item_code, as_dict=1):
 				attributes.setdefault(d.attribute, []).append(d.attribute_value)
 		for d in attributes:
 			attribute_values = set(attributes[d])
diff --git a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
index e56cd1e..e782889 100644
--- a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
+++ b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
@@ -104,15 +104,8 @@
 			}
 		})
 
-		if cint(frappe.defaults.get_global_default('maintain_same_rate')):
-			super(PurchaseReceipt, self).validate_with_previous_doc({
-				"Purchase Order Item": {
-					"ref_dn_field": "prevdoc_detail_docname",
-					"compare_fields": [["rate", "="]],
-					"is_child_table": True
-				}
-			})
-
+		if cint(frappe.db.get_single_value('Buying Settings', 'maintain_same_rate')):
+			self.validate_rate_with_reference_doc([["Purchase Order", "prevdoc_docname", "prevdoc_detail_docname"]])
 
 	def po_required(self):
 		if frappe.db.get_value("Buying Settings", None, "po_required") == 'Yes':
diff --git a/erpnext/stock/doctype/stock_entry/stock_entry.py b/erpnext/stock/doctype/stock_entry/stock_entry.py
index 813a61b..d896b25 100644
--- a/erpnext/stock/doctype/stock_entry/stock_entry.py
+++ b/erpnext/stock/doctype/stock_entry/stock_entry.py
@@ -870,8 +870,6 @@
 			"account": r.get("account"),
 			"party_type": r.get("party_type"),
 			"party": r.get("party"),
-			"against_invoice": r.get("against_invoice"),
-			"against_voucher": r.get("against_voucher"),
 			"balance": get_balance_on(r.get("account"), se.posting_date) if r.get("account") else 0
 		})
 
@@ -882,8 +880,7 @@
 	parent = {
 		"account": ref.doc.debit_to,
 		"party_type": "Customer",
-		"party": ref.doc.customer,
-		"against_invoice": ref.doc.name,
+		"party": ref.doc.customer
 	}
 
 	# income account entries
@@ -957,9 +954,6 @@
 
 			break
 
-	if len(invoices_against_delivery) == 1:
-		parent["against_invoice"] = invoices_against_delivery[0]
-
 	result = [parent] + [{"account": account} for account in children]
 
 	return result
@@ -1015,9 +1009,6 @@
 
 			break
 
-	if len(invoice_against_receipt) == 1:
-		parent["against_voucher"] = invoice_against_receipt[0]
-
 	result = [parent] + [{"account": account} for account in children]
 
 	return result
diff --git a/erpnext/utilities/transaction_base.py b/erpnext/utilities/transaction_base.py
index be74aeb..50b0319 100644
--- a/erpnext/utilities/transaction_base.py
+++ b/erpnext/utilities/transaction_base.py
@@ -4,7 +4,7 @@
 from __future__ import unicode_literals
 import frappe
 from frappe import _
-from frappe.utils import cstr, now_datetime, cint
+from frappe.utils import cstr, now_datetime, cint, flt
 import frappe.share
 
 from erpnext.controllers.status_updater import StatusUpdater
@@ -92,6 +92,17 @@
 				for field, condition in fields:
 					if prevdoc_values[field] is not None:
 						self.validate_value(field, condition, prevdoc_values[field], doc)
+						
+						
+	def validate_rate_with_reference_doc(self, ref_details):
+		for ref_dt, ref_dn_field, ref_link_field in ref_details:
+			for d in self.get("items"):
+				if d.get(ref_link_field):
+					ref_rate = frappe.db.get_value(ref_dt + " Item", d.get(ref_link_field), "rate")
+					
+					if abs(flt(d.rate - ref_rate, d.precision("rate"))) >= .01:
+						frappe.throw(_("Row #{0}: Rate must be same as {1}: {2} ({3} / {4}) ")
+							.format(d.idx, ref_dt, d.get(ref_dn_field), d.rate, ref_rate))
 
 
 def delete_events(ref_type, ref_name):