Rename prevdoc field in purchase order and purchase receipt doctype

erpnext/patches/v7_0/rename_prevdoc_fields.py

@@ -0,0 +1,75 @@
+import frappe
+import json
+from frappe.model.utils.rename_field import update_reports, rename_field, update_property_setters
+from frappe.custom.doctype.property_setter.property_setter import make_property_setter
+
+def execute():
+	frappe.reload_doctype('Purchase Order Item')
+	frappe.reload_doctype('Purchase Receipt Item')
+	update_po_fields()
+	update_prop_setters_reports_print_format_for_po()
+	set_sales_order_field()
+	rename_pr_fields()
+
+def update_po_fields():
+	for data in frappe.db.sql(""" select prevdoc_docname, prevdoc_detail_docname, name, prevdoc_doctype
+		from `tabPurchase Order Item` where prevdoc_doctype is not null""", as_dict=True):
+		if data.prevdoc_doctype == 'Material Request':
+			frappe.db.set_value("Purchase Order Item", data.name, "material_request", data.prevdoc_docname, update_modified=False)
+			frappe.db.set_value("Purchase Order Item", data.name, "material_request_item", data.prevdoc_detail_docname, update_modified=False)
+		elif data.prevdoc_doctype == 'Sales Order':
+			frappe.db.set_value("Purchase Order Item", data.name, "sales_order", data.prevdoc_docname, update_modified=False)
+			frappe.db.set_value("Purchase Order Item", data.name, "sales_order_item", data.prevdoc_detail_docname, update_modified=False)
+
+def get_columns():
+	return {
+		'prevdoc_docname': 'material_request',
+		'prevdoc_detail_docname': 'material_request_item'
+	}
+
+def update_prop_setters_reports_print_format_for_po():
+	for key, val in get_columns().items():
+		update_property_setters('Purchase Order Item', key, val)
+		update_reports('Purchase Order Item', key, val)
+		update_print_format_for_po(key, val, 'Purchase Order')
+
+def update_print_format_for_po(old_fieldname, new_fieldname, doc_type):
+	column_mapper = get_columns()
+
+	for data in frappe.db.sql(""" select name, format_data from `tabPrint Format` where
+		format_data like %(old_fieldname)s and doc_type = %(doc_type)s""", 
+		{'old_fieldname': '%%%s%%'%(old_fieldname), 'doc_type': doc_type}, as_dict=True):
+
+		update_print_format_fields(old_fieldname, new_fieldname, data)
+
+def update_print_format_fields(old_fieldname, new_fieldname, args):
+	report_dict = json.loads(args.format_data)
+	update = False
+
+	for col in report_dict:
+		if col.get('fieldname') and col.get('fieldname') == old_fieldname:
+			col['fieldname'] = new_fieldname
+			update = True
+
+		if col.get('visible_columns'):
+			for key in col.get('visible_columns'):
+				if key.get('fieldname') == old_fieldname:
+					key['fieldname'] = new_fieldname
+					update = True
+
+	if update:
+		val = json.dumps(report_dict)
+		frappe.db.sql("""update `tabPrint Format` set `format_data`=%s where name=%s""", (val, args.name))
+		
+def set_sales_order_field():
+	for data in frappe.db.sql("""select doc_type, field_name, property, value, property_type 
+		from `tabProperty Setter` where doc_type = 'Purchase Order Item' 
+		and field_name in('material_request', 'material_request_item')""", as_dict=True):
+		if data.field_name == 'material_request':
+			make_property_setter(data.doc_type, 'sales_order', data.property, data.value, data.property_type)
+		else:
+			make_property_setter(data.doc_type, 'sales_order_item', data.property, data.value, data.property_type)
+
+def rename_pr_fields():
+	rename_field("Purchase Receipt Item", "prevdoc_docname", "purchase_order")
+	rename_field("Purchase Receipt Item", "prevdoc_detail_docname", "purchase_order_item")