Merge pull request #51282 from khushi8112/validate-finance-books-row-values

fix: validate finance books row values

erpnext/assets/doctype/asset/asset.py

@@ -480,6 +480,7 @@ class Asset(AccountsController):
 
 	def set_depreciation_rate(self):
 		for d in self.get("finance_books"):
+			self.validate_asset_finance_books(d)
 			d.rate_of_depreciation = flt(
 				self.get_depreciation_rate(d, on_validate=True), d.precision("rate_of_depreciation")
 			)
@@ -488,6 +489,10 @@ class Asset(AccountsController):
 		row.expected_value_after_useful_life = flt(
 			row.expected_value_after_useful_life, self.precision("gross_purchase_amount")
 		)
+
+		if flt(row.expected_value_after_useful_life) < 0:
+			frappe.throw(_("Row {0}: Expected Value After Useful Life cannot be negative").format(row.idx))
+
 		if flt(row.expected_value_after_useful_life) >= flt(self.gross_purchase_amount):
 			frappe.throw(
 				_("Row {0}: Expected Value After Useful Life must be less than Gross Purchase Amount").format(
@@ -503,50 +508,71 @@ class Asset(AccountsController):
 					title=_("Invalid Schedule"),
 				)
 			row.depreciation_start_date = get_last_day(self.available_for_use_date)
+		self.validate_depreciation_start_date(row)
+		self.validate_total_number_of_depreciations_and_frequency(row)
 
 		if not self.is_existing_asset:
 			self.opening_accumulated_depreciation = 0
 			self.opening_number_of_booked_depreciations = 0
 		else:
-			depreciable_amount = flt(
+			self.validate_opening_depreciation_values(row)
-				flt(self.gross_purchase_amount) - flt(row.expected_value_after_useful_life),
+
-				self.precision("gross_purchase_amount"),
+	def validate_depreciation_start_date(self, row):
-			)
+		if row.depreciation_start_date:
-			if flt(self.opening_accumulated_depreciation) > depreciable_amount:
+			if getdate(row.depreciation_start_date) < getdate(self.purchase_date):
 				frappe.throw(
-					_("Opening Accumulated Depreciation must be less than or equal to {0}").format(
+					_("Row #{0}: Next Depreciation Date cannot be before Purchase Date").format(row.idx)
-						depreciable_amount
+				)
+
+			if getdate(row.depreciation_start_date) < getdate(self.available_for_use_date):
+				frappe.throw(
+					_("Row #{0}: Next Depreciation Date cannot be before Available-for-use Date").format(
+						row.idx
 					)
 				)
-
+		else:
-			if self.opening_accumulated_depreciation:
-				if not self.opening_number_of_booked_depreciations:
-					frappe.throw(_("Please set Opening Number of Booked Depreciations"))
-			else:
-				self.opening_number_of_booked_depreciations = 0
-
-			if flt(row.total_number_of_depreciations) <= cint(self.opening_number_of_booked_depreciations):
-				frappe.throw(
-					_(
-						"Row {0}: Total Number of Depreciations cannot be less than or equal to Opening Number of Booked Depreciations"
-					).format(row.idx),
-					title=_("Invalid Schedule"),
-				)
-
-		if row.depreciation_start_date and getdate(row.depreciation_start_date) < getdate(self.purchase_date):
 			frappe.throw(
-				_("Depreciation Row {0}: Next Depreciation Date cannot be before Purchase Date").format(
+				_("Row #{0}: Depreciation Start Date is required").format(row.idx),
-					row.idx
+				title=_("Invalid Schedule"),
+			)
+
+	def validate_total_number_of_depreciations_and_frequency(self, row):
+		if row.total_number_of_depreciations <= 0:
+			frappe.throw(
+				_("Row #{0}: Total Number of Depreciations must be greater than zero").format(row.idx)
+			)
+
+		if row.frequency_of_depreciation <= 0:
+			frappe.throw(_("Row #{0}: Frequency of Depreciation must be greater than zero").format(row.idx))
+
+	def validate_opening_depreciation_values(self, row):
+		row.expected_value_after_useful_life = flt(
+			row.expected_value_after_useful_life, self.precision("gross_purchase_amount")
+		)
+
+		depreciable_amount = flt(
+			flt(self.gross_purchase_amount) - flt(row.expected_value_after_useful_life),
+			self.precision("gross_purchase_amount"),
+		)
+		if flt(self.opening_accumulated_depreciation) > depreciable_amount:
+			frappe.throw(
+				_("Opening Accumulated Depreciation must be less than or equal to {0}").format(
+					depreciable_amount
 				)
 			)
 
-		if row.depreciation_start_date and getdate(row.depreciation_start_date) < getdate(
+		if self.opening_accumulated_depreciation:
-			self.available_for_use_date
+			if not self.opening_number_of_booked_depreciations:
-		):
+				frappe.throw(_("Please set Opening Number of Booked Depreciations"))
+		else:
+			self.opening_number_of_booked_depreciations = 0
+
+		if flt(row.total_number_of_depreciations) <= cint(self.opening_number_of_booked_depreciations):
 			frappe.throw(
 				_(
-					"Depreciation Row {0}: Next Depreciation Date cannot be before Available-for-use Date"
+					"Row {0}: Total Number of Depreciations cannot be less than or equal to Opening Number of Booked Depreciations"
-				).format(row.idx)
+				).format(row.idx),
+				title=_("Invalid Schedule"),
 			)
 
 	def set_total_booked_depreciations(self):