refactor: added naming series for pricing rule
diff --git a/erpnext/accounts/doctype/pricing_rule/pricing_rule.json b/erpnext/accounts/doctype/pricing_rule/pricing_rule.json
index 0be41b4..99c5b34 100644
--- a/erpnext/accounts/doctype/pricing_rule/pricing_rule.json
+++ b/erpnext/accounts/doctype/pricing_rule/pricing_rule.json
@@ -2,12 +2,13 @@
  "actions": [],
  "allow_import": 1,
  "allow_rename": 1,
- "autoname": "field:title",
+ "autoname": "naming_series:",
  "creation": "2014-02-21 15:02:51",
  "doctype": "DocType",
  "engine": "InnoDB",
  "field_order": [
   "applicability_section",
+  "naming_series",
   "title",
   "disable",
   "apply_on",
@@ -95,8 +96,7 @@
    "fieldtype": "Data",
    "label": "Title",
    "no_copy": 1,
-   "reqd": 1,
-   "unique": 1
+   "reqd": 1
   },
   {
    "default": "0",
@@ -571,6 +571,13 @@
    "fieldname": "is_recursive",
    "fieldtype": "Check",
    "label": "Is Recursive"
+  },
+  {
+   "default": "PRLE-.####",
+   "fieldname": "naming_series",
+   "fieldtype": "Select",
+   "label": "Naming Series",
+   "options": "PRLE-.####"
   }
  ],
  "icon": "fa fa-gift",
@@ -634,5 +641,6 @@
  ],
  "show_name_in_global_search": 1,
  "sort_field": "modified",
- "sort_order": "DESC"
-}
\ No newline at end of file
+ "sort_order": "DESC",
+ "title_field": "title"
+}
diff --git a/erpnext/accounts/doctype/promotional_scheme/promotional_scheme.py b/erpnext/accounts/doctype/promotional_scheme/promotional_scheme.py
index 53239fe..f4ee188 100644
--- a/erpnext/accounts/doctype/promotional_scheme/promotional_scheme.py
+++ b/erpnext/accounts/doctype/promotional_scheme/promotional_scheme.py
@@ -81,7 +81,7 @@
 	new_doc = []
 	args = get_args_for_pricing_rule(doc)
 	applicable_for = frappe.scrub(doc.get('applicable_for'))
-	for d in doc.get(child_doc):
+	for idx, d in enumerate(doc.get(child_doc)):
 		if d.name in rules:
 			for applicable_for_value in args.get(applicable_for):
 				temp_args = args.copy()
@@ -93,24 +93,24 @@
 						applicable_for: applicable_for_value
 					}
 				)
-					
+
 				if docname:
 					pr = frappe.get_doc('Pricing Rule', docname[0].get('name'))
 					temp_args[applicable_for] = applicable_for_value
 					pr = set_args(temp_args, pr, doc, child_doc, discount_fields, d)
 				else:
 					pr = frappe.new_doc("Pricing Rule")
-					pr.title = make_autoname("{0}/.####".format(doc.name))
+					pr.title = doc.name
 					temp_args[applicable_for] = applicable_for_value
 					pr = set_args(temp_args, pr, doc, child_doc, discount_fields, d)
-				
+
 				new_doc.append(pr)
-				
+
 		else:
 			for i in range(len(args.get(applicable_for))) :
 
 				pr = frappe.new_doc("Pricing Rule")
-				pr.title = make_autoname("{0}/.####".format(doc.name))
+				pr.title = doc.name
 				temp_args = args.copy()
 				temp_args[applicable_for] = args[applicable_for][i]
 				pr = set_args(temp_args, pr, doc, child_doc, discount_fields, d)
@@ -144,13 +144,13 @@
 def get_args_for_pricing_rule(doc):
 	args = { 'promotional_scheme': doc.name }
 	applicable_for = frappe.scrub(doc.get('applicable_for'))
-	
+
 	for d in pricing_rule_fields:
 		if d == applicable_for:
 			items = []
 			for applicable_for_values in doc.get(applicable_for):
-				items.append(applicable_for_values.get(applicable_for))	
-			args[d] = items	
+				items.append(applicable_for_values.get(applicable_for))
+			args[d] = items
 		else:
 			args[d] = doc.get(d)
 	return args