Merge pull request #26472 from deepeshgarg007/payment_entry_taxes_unallocated_amount_v13

fix: Unallocated amount in Payment Entry after taxes
diff --git a/erpnext/accounts/doctype/payment_entry/payment_entry.json b/erpnext/accounts/doctype/payment_entry/payment_entry.json
index 51f18a5..6f362c1 100644
--- a/erpnext/accounts/doctype/payment_entry/payment_entry.json
+++ b/erpnext/accounts/doctype/payment_entry/payment_entry.json
@@ -667,6 +667,7 @@
   {
    "fieldname": "base_paid_amount_after_tax",
    "fieldtype": "Currency",
+   "hidden": 1,
    "label": "Paid Amount After Tax (Company Currency)",
    "options": "Company:company:default_currency",
    "read_only": 1
@@ -693,21 +694,25 @@
    "depends_on": "eval:doc.received_amount && doc.payment_type != 'Internal Transfer'",
    "fieldname": "received_amount_after_tax",
    "fieldtype": "Currency",
+   "hidden": 1,
    "label": "Received Amount After Tax",
-   "options": "paid_to_account_currency"
+   "options": "paid_to_account_currency",
+   "read_only": 1
   },
   {
    "depends_on": "doc.received_amount",
    "fieldname": "base_received_amount_after_tax",
    "fieldtype": "Currency",
+   "hidden": 1,
    "label": "Received Amount After Tax (Company Currency)",
-   "options": "Company:company:default_currency"
+   "options": "Company:company:default_currency",
+   "read_only": 1
   }
  ],
  "index_web_pages_for_search": 1,
  "is_submittable": 1,
  "links": [],
- "modified": "2021-06-22 20:37:06.154206",
+ "modified": "2021-07-09 08:58:15.008761",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Payment Entry",
diff --git a/erpnext/accounts/doctype/payment_entry/payment_entry.py b/erpnext/accounts/doctype/payment_entry/payment_entry.py
index 0c21aae..7f665db 100644
--- a/erpnext/accounts/doctype/payment_entry/payment_entry.py
+++ b/erpnext/accounts/doctype/payment_entry/payment_entry.py
@@ -404,9 +404,15 @@
 		if not self.advance_tax_account:
 			frappe.throw(_("Advance TDS account is mandatory for advance TDS deduction"))
 
-		reference_doclist = []
 		net_total = self.paid_amount
-		included_in_paid_amount = 0
+
+		for reference in self.get("references"):
+			net_total_for_tds = 0
+			if reference.reference_doctype == 'Purchase Order':
+				net_total_for_tds += flt(frappe.db.get_value('Purchase Order', reference.reference_name, 'net_total'))
+		
+			if net_total_for_tds:
+				net_total = net_total_for_tds
 
 		# Adding args as purchase invoice to get TDS amount
 		args = frappe._dict({
@@ -423,7 +429,7 @@
 			return
 
 		tax_withholding_details.update({
-			'included_in_paid_amount': included_in_paid_amount,
+			'add_deduct_tax': 'Add',
 			'cost_center': self.cost_center or erpnext.get_default_cost_center(self.company)
 		})
 
@@ -512,16 +518,19 @@
 		self.unallocated_amount = 0
 		if self.party:
 			total_deductions = sum(flt(d.amount) for d in self.get("deductions"))
+			included_taxes = self.get_included_taxes()
 			if self.payment_type == "Receive" \
-				and self.base_total_allocated_amount < self.base_received_amount_after_tax + total_deductions \
-				and self.total_allocated_amount < self.paid_amount_after_tax + (total_deductions / self.source_exchange_rate):
-				self.unallocated_amount = (self.received_amount_after_tax + total_deductions -
+				and self.base_total_allocated_amount < self.base_received_amount + total_deductions \
+				and self.total_allocated_amount < self.paid_amount + (total_deductions / self.source_exchange_rate):
+				self.unallocated_amount = (self.received_amount + total_deductions -
 					self.base_total_allocated_amount) / self.source_exchange_rate
+				self.unallocated_amount -= included_taxes
 			elif self.payment_type == "Pay" \
-				and self.base_total_allocated_amount < (self.base_paid_amount_after_tax - total_deductions) \
-				and self.total_allocated_amount < self.received_amount_after_tax + (total_deductions / self.target_exchange_rate):
-				self.unallocated_amount = (self.base_paid_amount_after_tax - (total_deductions +
+				and self.base_total_allocated_amount < (self.base_paid_amount - total_deductions) \
+				and self.total_allocated_amount < self.received_amount + (total_deductions / self.target_exchange_rate):
+				self.unallocated_amount = (self.base_paid_amount - (total_deductions +
 					self.base_total_allocated_amount)) / self.target_exchange_rate
+				self.unallocated_amount -= included_taxes
 
 	def set_difference_amount(self):
 		base_unallocated_amount = flt(self.unallocated_amount) * (flt(self.source_exchange_rate)
@@ -530,17 +539,29 @@
 		base_party_amount = flt(self.base_total_allocated_amount) + flt(base_unallocated_amount)
 
 		if self.payment_type == "Receive":
-			self.difference_amount = base_party_amount - self.base_received_amount_after_tax
+			self.difference_amount = base_party_amount - self.base_received_amount
 		elif self.payment_type == "Pay":
-			self.difference_amount = self.base_paid_amount_after_tax - base_party_amount
+			self.difference_amount = self.base_paid_amount - base_party_amount
 		else:
-			self.difference_amount = self.base_paid_amount_after_tax - flt(self.base_received_amount_after_tax)
+			self.difference_amount = self.base_paid_amount - flt(self.base_received_amount)
 
 		total_deductions = sum(flt(d.amount) for d in self.get("deductions"))
+		included_taxes = self.get_included_taxes()
 
-		self.difference_amount = flt(self.difference_amount - total_deductions,
+		self.difference_amount = flt(self.difference_amount - total_deductions - included_taxes,
 			self.precision("difference_amount"))
 
+	def get_included_taxes(self):
+		included_taxes = 0
+		for tax in self.get('taxes'):
+			if tax.included_in_paid_amount:
+				if tax.add_deduct_tax == 'Add':
+					included_taxes += tax.base_tax_amount
+				else:
+					included_taxes -= tax.base_tax_amount
+
+		return included_taxes
+
 	# Paid amount is auto allocated in the reference document by default.
 	# Clear the reference document which doesn't have allocated amount on validate so that form can be loaded fast
 	def clear_unallocated_reference_document_rows(self):
@@ -683,8 +704,8 @@
 					"account": self.paid_from,
 					"account_currency": self.paid_from_account_currency,
 					"against": self.party if self.payment_type=="Pay" else self.paid_to,
-					"credit_in_account_currency": self.paid_amount_after_tax,
-					"credit": self.base_paid_amount_after_tax,
+					"credit_in_account_currency": self.paid_amount,
+					"credit": self.base_paid_amount,
 					"cost_center": self.cost_center
 				}, item=self)
 			)
@@ -694,8 +715,8 @@
 					"account": self.paid_to,
 					"account_currency": self.paid_to_account_currency,
 					"against": self.party if self.payment_type=="Receive" else self.paid_from,
-					"debit_in_account_currency": self.received_amount_after_tax,
-					"debit": self.base_received_amount_after_tax,
+					"debit_in_account_currency": self.received_amount,
+					"debit": self.base_received_amount,
 					"cost_center": self.cost_center
 				}, item=self)
 			)
@@ -708,35 +729,42 @@
 
 			if self.payment_type in ('Pay', 'Internal Transfer'):
 				dr_or_cr = "debit" if d.add_deduct_tax == "Add" else "credit"
+				against = self.party or self.paid_from
 			elif self.payment_type == 'Receive':
 				dr_or_cr = "credit" if d.add_deduct_tax == "Add" else "debit"
+				against = self.party or self.paid_to
 
 			payment_or_advance_account = self.get_party_account_for_taxes()
+			tax_amount = d.tax_amount
+			base_tax_amount = d.base_tax_amount
+
+			if self.advance_tax_account:
+				tax_amount = -1 * tax_amount
+				base_tax_amount = -1 * base_tax_amount
 
 			gl_entries.append(
 				self.get_gl_dict({
 					"account": d.account_head,
-					"against": self.party if self.payment_type=="Receive" else self.paid_from,
-					dr_or_cr: d.base_tax_amount,
-					dr_or_cr + "_in_account_currency": d.base_tax_amount
+					"against": against,
+					dr_or_cr: tax_amount,
+					dr_or_cr + "_in_account_currency": base_tax_amount
 					if account_currency==self.company_currency
 					else d.tax_amount,
 					"cost_center": d.cost_center
 				}, account_currency, item=d))
 
 			#Intentionally use -1 to get net values in party account
-			gl_entries.append(
-				self.get_gl_dict({
-					"account": payment_or_advance_account,
-					"against": self.party if self.payment_type=="Receive" else self.paid_from,
-					dr_or_cr: -1 * d.base_tax_amount,
-					dr_or_cr + "_in_account_currency": -1*d.base_tax_amount
-					if account_currency==self.company_currency
-					else d.tax_amount,
-					"cost_center": self.cost_center,
-					"party_type": self.party_type,
-					"party": self.party
-				}, account_currency, item=d))
+			if not d.included_in_paid_amount or self.advance_tax_account:
+				gl_entries.append(
+					self.get_gl_dict({
+						"account": payment_or_advance_account,
+						"against": against,
+						dr_or_cr: -1 * tax_amount,
+						dr_or_cr + "_in_account_currency": -1 * base_tax_amount
+						if account_currency==self.company_currency
+						else d.tax_amount,
+						"cost_center": self.cost_center,
+					}, account_currency, item=d))
 
 	def add_deductions_gl_entries(self, gl_entries):
 		for d in self.get("deductions"):
@@ -760,9 +788,9 @@
 		if self.advance_tax_account:
 			return self.advance_tax_account
 		elif self.payment_type == 'Receive':
-			return self.paid_from
-		elif self.payment_type in ('Pay', 'Internal Transfer'):
 			return self.paid_to
+		elif self.payment_type in ('Pay', 'Internal Transfer'):
+			return self.paid_from
 
 	def update_advance_paid(self):
 		if self.payment_type in ("Receive", "Pay") and self.party:
@@ -1634,12 +1662,6 @@
 			if dt == "Employee Advance":
 				paid_amount = received_amount * doc.get('exchange_rate', 1)
 
-	if dt == "Purchase Order" and doc.apply_tds:
-		if party_account_currency == bank.account_currency:
-			paid_amount = received_amount = doc.base_net_total
-		else:
-			paid_amount = received_amount = doc.base_net_total * doc.get('exchange_rate', 1)
-
 	return paid_amount, received_amount
 
 def apply_early_payment_discount(paid_amount, received_amount, doc):
diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index 1c086e9..5d30b65 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -751,11 +751,11 @@
 					account_currency = get_account_currency(tax.account_head)
 
 					if self.doctype == "Purchase Invoice":
-						dr_or_cr = "credit" if tax.add_deduct_tax == "Add" else "debit"
-						rev_dr_cr = "debit" if tax.add_deduct_tax == "Add" else "credit"
-					else:
 						dr_or_cr = "debit" if tax.add_deduct_tax == "Add" else "credit"
 						rev_dr_cr = "credit" if tax.add_deduct_tax == "Add" else "debit"
+					else:
+						dr_or_cr = "credit" if tax.add_deduct_tax == "Add" else "debit"
+						rev_dr_cr = "debit" if tax.add_deduct_tax == "Add" else "credit"
 
 					party = self.supplier if self.doctype == "Purchase Invoice" else self.customer
 					unallocated_amount = tax.tax_amount - tax.allocated_amount