fix: Advance payment against payment terms (#34872)

erpnext/accounts/doctype/accounts_settings/accounts_settings.json

@@ -184,6 +184,7 @@
   },
   {
    "default": "0",
+   "description": "Payment Terms from orders will be fetched into the invoices as is",
    "fieldname": "automatically_fetch_payment_terms",
    "fieldtype": "Check",
    "label": "Automatically Fetch Payment Terms from Order"
@@ -375,7 +376,7 @@
  "index_web_pages_for_search": 1,
  "issingle": 1,
  "links": [],
- "modified": "2023-03-28 09:50:20.375233",
+ "modified": "2023-04-14 17:22:03.680886",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Accounts Settings",

erpnext/accounts/doctype/payment_entry/payment_entry.py

@@ -1754,7 +1754,12 @@ def get_payment_entry(
 	if doc.doctype == "Purchase Invoice" and doc.invoice_is_blocked():
 		frappe.msgprint(_("{0} is on hold till {1}").format(doc.name, doc.release_date))
 	else:
-		if doc.doctype in ("Sales Invoice", "Purchase Invoice") and frappe.get_cached_value(
+		if doc.doctype in (
+			"Sales Invoice",
+			"Purchase Invoice",
+			"Purchase Order",
+			"Sales Order",
+		) and frappe.get_cached_value(
 			"Payment Terms Template",
 			doc.payment_terms_template,
 			"allocate_payment_based_on_payment_terms",

erpnext/controllers/accounts_controller.py

@@ -273,8 +273,8 @@ class AccountsController(TransactionBase):
 		self.validate_payment_schedule_dates()
 		self.set_due_date()
 		self.set_payment_schedule()
-		self.validate_payment_schedule_amount()
 		if not self.get("ignore_default_payment_terms_template"):
+			self.validate_payment_schedule_amount()
 			self.validate_due_date()
 		self.validate_advance_entries()
 
@@ -1607,6 +1607,7 @@ class AccountsController(TransactionBase):
 
 		base_grand_total = self.get("base_rounded_total") or self.base_grand_total
 		grand_total = self.get("rounded_total") or self.grand_total
+		automatically_fetch_payment_terms = 0
 
 		if self.doctype in ("Sales Invoice", "Purchase Invoice"):
 			base_grand_total = base_grand_total - flt(self.base_write_off_amount)
@@ -1652,19 +1653,20 @@ class AccountsController(TransactionBase):
 				)
 				self.append("payment_schedule", data)
 
-		for d in self.get("payment_schedule"):
-			if d.invoice_portion:
-				d.payment_amount = flt(
-					grand_total * flt(d.invoice_portion / 100), d.precision("payment_amount")
-				)
-				d.base_payment_amount = flt(
-					base_grand_total * flt(d.invoice_portion / 100), d.precision("base_payment_amount")
-				)
-				d.outstanding = d.payment_amount
-			elif not d.invoice_portion:
-				d.base_payment_amount = flt(
-					d.payment_amount * self.get("conversion_rate"), d.precision("base_payment_amount")
-				)
+		if not automatically_fetch_payment_terms:
+			for d in self.get("payment_schedule"):
+				if d.invoice_portion:
+					d.payment_amount = flt(
+						grand_total * flt(d.invoice_portion / 100), d.precision("payment_amount")
+					)
+					d.base_payment_amount = flt(
+						base_grand_total * flt(d.invoice_portion / 100), d.precision("base_payment_amount")
+					)
+					d.outstanding = d.payment_amount
+				elif not d.invoice_portion:
+					d.base_payment_amount = flt(
+						d.payment_amount * self.get("conversion_rate"), d.precision("base_payment_amount")
+					)
 
 	def get_order_details(self):
 		if self.doctype == "Sales Invoice":
@@ -1717,6 +1719,10 @@ class AccountsController(TransactionBase):
 				"invoice_portion": schedule.invoice_portion,
 				"mode_of_payment": schedule.mode_of_payment,
 				"description": schedule.description,
+				"payment_amount": schedule.payment_amount,
+				"base_payment_amount": schedule.base_payment_amount,
+				"outstanding": schedule.outstanding,
+				"paid_amount": schedule.paid_amount,
 			}
 
 			if schedule.discount_type == "Percentage":

erpnext/public/js/controllers/transaction.js

@@ -1920,7 +1920,7 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 	}
 
 	prompt_user_for_reference_date(){
-		var me = this;
+		let me = this;
 		frappe.prompt({
 			label: __("Cheque/Reference Date"),
 			fieldname: "reference_date",
@@ -1947,7 +1947,7 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 		let has_payment_schedule = this.frm.doc.payment_schedule && this.frm.doc.payment_schedule.length;
 		if(!is_eligible || !has_payment_schedule) return false;
 
-		let has_discount = this.frm.doc.payment_schedule.some(row => row.discount_date);
+		let has_discount = this.frm.doc.payment_schedule.some(row => row.discount);
 		return has_discount;
 	}