chore: Patch to copy custom fields (field filters) from Item to Website Item

erpnext/patches.txt

@@ -359,3 +359,4 @@ erpnext.patches.v13_0.enable_ksa_vat_docs #1
 erpnext.patches.v13_0.create_gst_custom_fields_in_quotation
 erpnext.patches.v13_0.update_expense_claim_status_for_paid_advances
 erpnext.patches.v13_0.set_return_against_in_pos_invoice_references
+erpnext.patches.v13_0.copy_custom_field_filters_to_website_item

erpnext/patches/v13_0/copy_custom_field_filters_to_website_item.py

@@ -0,0 +1,54 @@
+import frappe
+from frappe.custom.doctype.custom_field.custom_field import create_custom_field
+
+
+def execute():
+	"Add Field Filters, that are not standard fields in Website Item, as Custom Fields."
+	settings = frappe.get_doc("E Commerce Settings")
+
+	if not (settings.filter_fields or settings.field_filters):
+		return
+
+	item_meta = frappe.get_meta("Item")
+	valid_item_fields = [
+		df.fieldname for df in item_meta.fields if df.fieldtype in ["Link", "Table MultiSelect"]
+	]
+
+	web_item_meta = frappe.get_meta("Website Item")
+	valid_web_item_fields = [
+		df.fieldname for df in web_item_meta.fields if df.fieldtype in ["Link", "Table MultiSelect"]
+	]
+
+	for row in settings.filter_fields:
+		# skip if illegal field
+		if row.fieldname not in valid_item_fields:
+			continue
+
+		# if Item field is not in Website Item, add it as a custom field
+		if row.fieldname not in valid_web_item_fields:
+			df = item_meta.get_field(row.fieldname)
+			create_custom_field(
+				"Website Item",
+				dict(
+					owner="Administrator",
+					fieldname=df.fieldname,
+					label=df.label,
+					fieldtype=df.fieldtype,
+					options=df.options,
+					description=df.description,
+					read_only=df.read_only,
+					no_copy=df.no_copy,
+					insert_after="on_backorder",
+				),
+			)
+
+			# map field values
+			frappe.db.sql(
+				"""
+				UPDATE `tabWebsite Item` wi, `tabItem` i
+				SET wi.{0} = i.{0}
+				WHERE wi.item_code = i.item_code
+			""".format(
+					row.fieldname
+				)
+			)