fix: render missing terms before printing (#58358)

erpnext/controllers/accounts_controller.py

@@ -535,6 +535,8 @@ class AccountsController(TransactionBase):
 			frappe.throw(_("To Date cannot be before From Date"), title=_("Invalid Auto Repeat Date"))
 
 	def before_print(self, settings=None):
+		self.set_missing_terms()
+
 		if self.doctype in [
 			"Purchase Order",
 			"Sales Order",
@@ -558,6 +560,16 @@ class AccountsController(TransactionBase):
 		set_print_templates_for_item_table(self, settings)
 		set_print_templates_for_taxes(self, settings)
 
+	def set_missing_terms(self):
+		if not self.get("tc_name") or self.get("terms"):
+			return
+
+		from erpnext.setup.doctype.terms_and_conditions.terms_and_conditions import (
+			get_terms_and_conditions,
+		)
+
+		self.terms = get_terms_and_conditions(self.tc_name, self.as_dict())
+
 	def calculate_paid_amount(self):
 		if hasattr(self, "is_pos") or hasattr(self, "is_paid"):
 			is_paid = self.get("is_pos") or self.get("is_paid")

erpnext/controllers/buying_controller.py

@@ -84,18 +84,10 @@ class BuyingController(SubcontractingController):
 				),
 			)
 
-		if (
-			self.get("company")
-			and (
-				default_buying_terms := frappe.get_value(
-					"Company", self.get("company"), "default_buying_terms"
-				)
-			)
-			and not self.get("tc_name")
-			and not self.get("terms")
-		):
-			self.tc_name = default_buying_terms
-			self.terms = frappe.get_value("Terms and Conditions", self.get("tc_name"), "terms")
+		if self.get("company") and not self.get("terms"):
+			if not self.get("tc_name"):
+				self.tc_name = frappe.get_value("Company", self.company, "default_buying_terms")
+			self.set_missing_terms()
 
 	def validate_posting_date_with_po(self):
 		po_list = {x.purchase_order for x in self.items if x.purchase_order}

erpnext/controllers/selling_controller.py

@@ -44,18 +44,10 @@ class SellingController(StockController):
 				),
 			)
 
-		if (
-			self.get("company")
-			and (
-				default_selling_terms := frappe.get_value(
-					"Company", self.get("company"), "default_selling_terms"
-				)
-			)
-			and not self.get("tc_name")
-			and not self.get("terms")
-		):
-			self.tc_name = default_selling_terms
-			self.terms = frappe.get_value("Terms and Conditions", self.get("tc_name"), "terms")
+		if self.get("company") and not self.get("terms"):
+			if not self.get("tc_name"):
+				self.tc_name = frappe.get_value("Company", self.company, "default_selling_terms")
+			self.set_missing_terms()
 
 	def validate(self):
 		super().validate()