fix: priority not working for multiple pricing rules (backport #41516) (#41525)

* fix: priority not working for multiple pricing rules (#41516)

(cherry picked from commit 5cf5b18aea)

# Conflicts:
#	erpnext/accounts/doctype/pricing_rule/pricing_rule.json

* chore: fix conflicts

---------

Co-authored-by: rohitwaghchaure <rohitw1991@gmail.com>

erpnext/accounts/doctype/pricing_rule/pricing_rule.json

@@ -74,15 +74,21 @@
   "discount_amount",
   "discount_percentage",
   "for_price_list",
-  "section_break_13",
+  "dynamic_condition_tab",
-  "threshold_percentage",
-  "priority",
   "condition",
-  "column_break_66",
+  "section_break_13",
   "apply_multiple_pricing_rules",
   "apply_discount_on_rate",
+  "column_break_66",
+  "threshold_percentage",
+  "validate_pricing_rule_section",
   "validate_applied_rule",
+  "column_break_texp",
   "rule_description",
+  "priority_section",
+  "has_priority",
+  "column_break_sayg",
+  "priority",
   "help_section",
   "pricing_rule_help",
   "reference_section",
@@ -477,7 +483,7 @@
   {
    "collapsible": 1,
    "fieldname": "section_break_13",
-   "fieldtype": "Section Break",
+   "fieldtype": "Tab Break",
    "label": "Advanced Settings"
   },
   {
@@ -487,6 +493,7 @@
    "label": "Threshold for Suggestion (In Percentage)"
   },
   {
+   "depends_on": "has_priority",
    "description": "Higher the number, higher the priority",
    "fieldname": "priority",
    "fieldtype": "Select",
@@ -513,6 +520,7 @@
   {
    "default": "0",
    "depends_on": "eval:doc.price_or_product_discount == 'Price'",
+   "description": "If enabled, then system will only validate the pricing rule and not apply automatically. User has to manually set the discount percentage / margin / free items to validate the pricing rule",
    "fieldname": "validate_applied_rule",
    "fieldtype": "Check",
    "label": "Validate Applied Rule"
@@ -525,7 +533,8 @@
   },
   {
    "fieldname": "help_section",
-   "fieldtype": "Section Break",
+   "fieldtype": "Tab Break",
+   "label": "Help Article",
    "options": "Simple"
   },
   {
@@ -603,12 +612,42 @@
    "fieldname": "apply_recursion_over",
    "fieldtype": "Float",
    "label": "Apply Recursion Over (As Per Transaction UOM)"
+  },
+  {
+   "fieldname": "priority_section",
+   "fieldtype": "Section Break",
+   "label": "Priority"
+  },
+  {
+   "fieldname": "dynamic_condition_tab",
+   "fieldtype": "Tab Break",
+   "label": "Dynamic Condition"
+  },
+  {
+   "fieldname": "validate_pricing_rule_section",
+   "fieldtype": "Section Break",
+   "label": "Validate Pricing Rule"
+  },
+  {
+   "fieldname": "column_break_texp",
+   "fieldtype": "Column Break"
+  },
+  {
+   "fieldname": "column_break_sayg",
+   "fieldtype": "Column Break"
+  },
+  {
+   "default": "0",
+   "description": "Enable this checkbox even if you want to set the zero priority",
+   "fieldname": "has_priority",
+   "fieldtype": "Check",
+   "label": "Has Priority"
   }
  ],
  "icon": "fa fa-gift",
  "idx": 1,
  "links": [],
- "modified": "2023-02-14 04:53:34.887358",
+ "modified": "2024-05-17 13:16:34.496704",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Pricing Rule",

erpnext/accounts/doctype/pricing_rule/pricing_rule.py

@@ -27,9 +27,7 @@ class PricingRule(Document):
 		from frappe.types import DF
 
 		from erpnext.accounts.doctype.pricing_rule_brand.pricing_rule_brand import PricingRuleBrand
-		from erpnext.accounts.doctype.pricing_rule_item_code.pricing_rule_item_code import (
+		from erpnext.accounts.doctype.pricing_rule_item_code.pricing_rule_item_code import PricingRuleItemCode
-			PricingRuleItemCode,
-		)
 		from erpnext.accounts.doctype.pricing_rule_item_group.pricing_rule_item_group import (
 			PricingRuleItemGroup,
 		)
@@ -67,6 +65,7 @@ class PricingRule(Document):
 		free_item_rate: DF.Currency
 		free_item_uom: DF.Link | None
 		free_qty: DF.Float
+		has_priority: DF.Check
 		is_cumulative: DF.Check
 		is_recursive: DF.Check
 		item_groups: DF.Table[PricingRuleItemGroup]
@@ -156,6 +155,12 @@ class PricingRule(Document):
 				frappe.throw(_("Duplicate {0} found in the table").format(self.apply_on))
 
 	def validate_mandatory(self):
+		if self.has_priority and not self.priority:
+			throw(_("Priority is mandatory"), frappe.MandatoryError, _("Please Set Priority"))
+
+		if self.priority and not self.has_priority:
+			self.has_priority = 1
+
 		for apply_on, field in apply_on_dict.items():
 			if self.apply_on == apply_on and len(self.get(field) or []) < 1:
 				throw(_("{0} is not added in the table").format(apply_on), frappe.MandatoryError)

erpnext/accounts/doctype/pricing_rule/test_pricing_rule.py

@@ -1157,6 +1157,62 @@ class TestPricingRule(unittest.TestCase):
 		frappe.delete_doc_if_exists("Pricing Rule", "_Test Pricing Rule 1")
 		frappe.delete_doc_if_exists("Pricing Rule", "_Test Pricing Rule 2")
 
+	def test_priority_of_multiple_pricing_rules(self):
+		frappe.delete_doc_if_exists("Pricing Rule", "_Test Pricing Rule 1")
+		frappe.delete_doc_if_exists("Pricing Rule", "_Test Pricing Rule 2")
+
+		test_record = {
+			"doctype": "Pricing Rule",
+			"title": "_Test Pricing Rule 1",
+			"name": "_Test Pricing Rule 1",
+			"apply_on": "Item Code",
+			"currency": "USD",
+			"items": [
+				{
+					"item_code": "_Test Item",
+				}
+			],
+			"selling": 1,
+			"price_or_product_discount": "Price",
+			"rate_or_discount": "Discount Percentage",
+			"discount_percentage": 10,
+			"has_priority": 1,
+			"priority": 1,
+			"company": "_Test Company",
+		}
+
+		frappe.get_doc(test_record.copy()).insert()
+
+		test_record = {
+			"doctype": "Pricing Rule",
+			"title": "_Test Pricing Rule 2",
+			"name": "_Test Pricing Rule 2",
+			"apply_on": "Item Code",
+			"currency": "USD",
+			"items": [
+				{
+					"item_code": "_Test Item",
+				}
+			],
+			"selling": 1,
+			"price_or_product_discount": "Price",
+			"rate_or_discount": "Discount Percentage",
+			"discount_percentage": 20,
+			"has_priority": 1,
+			"priority": 3,
+			"company": "_Test Company",
+		}
+
+		frappe.get_doc(test_record.copy()).insert()
+
+		so = make_sales_order(item_code="_Test Item", qty=1, price_list_rate=1000, do_not_submit=True)
+		self.assertEqual(so.items[0].discount_percentage, 20)
+		self.assertEqual(so.items[0].rate, 800)
+
+		frappe.delete_doc_if_exists("Sales Order", so.name)
+		frappe.delete_doc_if_exists("Pricing Rule", "_Test Pricing Rule 1")
+		frappe.delete_doc_if_exists("Pricing Rule", "_Test Pricing Rule 2")
+
 
 test_dependencies = ["Campaign"]
 
@@ -1185,6 +1241,7 @@ def make_pricing_rule(**args):
 			"priority": args.priority or 1,
 			"discount_amount": args.discount_amount or 0.0,
 			"apply_multiple_pricing_rules": args.apply_multiple_pricing_rules or 0,
+			"has_priority": args.has_priority or 0,
 		}
 	)
 

erpnext/accounts/doctype/pricing_rule/utils.py

@@ -33,6 +33,9 @@ def get_pricing_rules(args, doc=None):
 
 	for apply_on in ["Item Code", "Item Group", "Brand"]:
 		pricing_rules.extend(_get_pricing_rules(apply_on, args, values))
+		if pricing_rules and pricing_rules[0].has_priority:
+			continue
+
 		if pricing_rules and not apply_multiple_pricing_rules(pricing_rules):
 			break
 

erpnext/patches.txt

@@ -364,3 +364,4 @@ erpnext.patches.v15_0.delete_orphaned_asset_movement_item_records
 erpnext.patches.v15_0.fix_debit_credit_in_transaction_currency
 erpnext.patches.v15_0.remove_cancelled_asset_capitalization_from_asset
 erpnext.patches.v15_0.rename_purchase_receipt_amount_to_purchase_amount
+erpnext.patches.v14_0.enable_set_priority_for_pricing_rules #1

erpnext/patches/v14_0/enable_set_priority_for_pricing_rules.py

@@ -0,0 +1,10 @@
+import frappe
+
+
+def execute():
+	pr_table = frappe.qb.DocType("Pricing Rule")
+	(
+		frappe.qb.update(pr_table)
+		.set(pr_table.has_priority, 1)
+		.where((pr_table.priority.isnotnull()) & (pr_table.priority != ""))
+	).run()