chore: patch to enable total number of booked depreciations field (backport #41940)

erpnext/accounts/doctype/journal_entry/journal_entry.py

@@ -226,7 +226,7 @@ def on_cancel(self):
 		self.unlink_inter_company_jv()
 		self.unlink_asset_adjustment_entry()
 		self.update_invoice_discounting()
-		self.update_booked_depreciation()
+		self.update_booked_depreciation(1)
 
 	def get_title(self):
 		return self.pay_to_recd_from or self.accounts[0].account
@@ -441,7 +441,7 @@ def _validate_invoice_discounting_status(inv_disc, id_status, expected_status, r
 			if status:
 				inv_disc_doc.set_status(status=status)
 
-	def update_booked_depreciation(self):
+	def update_booked_depreciation(self, cancel=0):
 		for d in self.get("accounts"):
 			if (
 				self.voucher_type == "Depreciation Entry"
@@ -453,14 +453,11 @@ def update_booked_depreciation(self):
 				asset = frappe.get_doc("Asset", d.reference_name)
 				for fb_row in asset.get("finance_books"):
 					if fb_row.finance_book == self.finance_book:
-						depr_schedule = get_depr_schedule(asset.name, "Active", fb_row.finance_book)
-						total_number_of_booked_depreciations = asset.opening_number_of_booked_depreciations
-						for je in depr_schedule:
-							if je.journal_entry:
-								total_number_of_booked_depreciations += 1
-						fb_row.db_set(
-							"total_number_of_booked_depreciations", total_number_of_booked_depreciations
-						)
+						if cancel:
+							fb_row.total_number_of_booked_depreciations -= 1
+						else:
+							fb_row.total_number_of_booked_depreciations += 1
+						fb_row.db_update()
 						break
 
 	def unlink_advance_entry_reference(self):

erpnext/patches.txt

@@ -366,3 +366,6 @@ 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.v15_0.rename_number_of_depreciations_booked_to_opening_booked_depreciations
+erpnext.patches.v15_0.add_default_operations
+erpnext.patches.v15_0.enable_old_serial_batch_fields
+erpnext.patches.v15_0.update_total_number_of_booked_depreciations

erpnext/patches/v15_0/update_total_number_of_booked_depreciations.py

@@ -0,0 +1,29 @@
+import frappe
+
+from erpnext.assets.doctype.asset_depreciation_schedule.asset_depreciation_schedule import (
+	get_depr_schedule,
+)
+
+
+def execute():
+	if frappe.db.has_column("Asset Finance Book", "total_number_of_booked_depreciations"):
+		assets = frappe.get_all(
+			"Asset", filters={"docstatus": 1}, fields=["name", "opening_number_of_booked_depreciations"]
+		)
+
+		for asset in assets:
+			asset_doc = frappe.get_doc("Asset", asset.name)
+
+			for fb_row in asset_doc.get("finance_books"):
+				depr_schedule = get_depr_schedule(asset.name, "Active", fb_row.finance_book)
+				total_number_of_booked_depreciations = asset.opening_number_of_booked_depreciations or 0
+
+				for je in depr_schedule:
+					if je.journal_entry:
+						total_number_of_booked_depreciations += 1
+				frappe.db.set_value(
+					"Asset Finance Book",
+					fb_row.name,
+					"total_number_of_booked_depreciations",
+					total_number_of_booked_depreciations,
+				)