feat: added custom fields in email template doctype

crm/hooks.py

@@ -76,7 +76,7 @@ after_install = "crm.install.after_install"
 # Uninstallation
 # ------------
 
-# before_uninstall = "crm.uninstall.before_uninstall"
+before_uninstall = "crm.uninstall.before_uninstall"
 # after_uninstall = "crm.uninstall.after_uninstall"
 
 # Integration Setup

crm/install.py

@@ -1,9 +1,11 @@
 # Copyright (c) 2022, Frappe Technologies Pvt. Ltd. and Contributors
 # MIT License. See license.txt
-
 from __future__ import unicode_literals
+import click
 import frappe
 
+from frappe.custom.doctype.custom_field.custom_field import create_custom_fields
+
 def before_install():
 	pass
 
@@ -12,6 +14,7 @@ def after_install():
 	add_default_deal_statuses()
 	add_default_communication_statuses()
 	add_property_setter()
+	add_email_template_custom_fields()
 	frappe.db.commit()
 
 def add_default_lead_statuses():
@@ -113,4 +116,31 @@ def add_property_setter():
 		doc.property = "search_fields"
 		doc.property_type = "Data"
 		doc.value = "email_id"
-		doc.insert()
+		doc.insert()
+
+def add_email_template_custom_fields():
+	if not frappe.get_meta("Email Template").has_field("enabled"):
+		click.secho("* Installing Custom Fields in Email Template")
+
+		create_custom_fields(
+			{
+				"Email Template": [
+					{
+						"default": "0",
+						"fieldname": "enabled",
+						"fieldtype": "Check",
+						"label": "Enabled",
+						"insert_after": "",
+					},
+					{
+						"fieldname": "reference_doctype",
+						"fieldtype": "Link",
+						"label": "Doctype",
+						"options": "DocType",
+						"insert_after": "enabled",
+					},
+				]
+			}
+		)
+
+		frappe.clear_cache(doctype="Email Template")

crm/uninstall.py

@@ -0,0 +1,22 @@
+# Copyright (c) 2022, Frappe Technologies Pvt. Ltd. and Contributors
+# MIT License. See license.txt
+from __future__ import unicode_literals
+import click
+import frappe
+
+def before_uninstall():
+	delete_email_template_custom_fields()
+
+def delete_email_template_custom_fields():
+	if frappe.get_meta("Email Template").has_field("enabled"):
+		click.secho("* Uninstalling Custom Fields from Email Template")
+
+		fieldnames = (
+			"enabled",
+			"reference_doctype",
+		)
+
+		for fieldname in fieldnames:
+			frappe.db.delete("Custom Field", {"name": "Email Template-" + fieldname})
+
+		frappe.clear_cache(doctype="Email Template")