feat: Configurable search link limit (#24539)

frappe/core/doctype/system_settings/system_settings.json

@@ -94,7 +94,9 @@
   "dormant_days",
   "telemetry_section",
   "allow_error_traceback",
-  "enable_telemetry"
+  "enable_telemetry",
+  "search_section",
+  "link_field_results_limit"
  ],
  "fields": [
   {
@@ -634,12 +636,24 @@
   {
    "fieldname": "column_break_uhqk",
    "fieldtype": "Column Break"
+  },
+  {
+   "fieldname": "search_section",
+   "fieldtype": "Section Break",
+   "label": "Search"
+  },
+  {
+   "default": "10",
+   "fieldname": "link_field_results_limit",
+   "fieldtype": "Int",
+   "label": "Link Field Results Limit",
+   "non_negative": 1
   }
  ],
  "icon": "fa fa-cog",
  "issingle": 1,
  "links": [],
- "modified": "2023-12-08 15:52:37.525003",
+ "modified": "2024-01-26 11:29:20.924425",
  "modified_by": "Administrator",
  "module": "Core",
  "name": "System Settings",

frappe/core/doctype/system_settings/system_settings.py

@@ -61,6 +61,7 @@ class SystemSettings(Document):
 		hide_footer_in_auto_email_reports: DF.Check
 		language: DF.Link
 		lifespan_qrcode_image: DF.Int
+		link_field_results_limit: DF.Int
 		login_with_email_link: DF.Check
 		login_with_email_link_expiry: DF.Int
 		logout_on_password_reset: DF.Check
@@ -94,6 +95,7 @@ class SystemSettings(Document):
 		two_factor_method: DF.Literal["OTP App", "SMS", "Email"]
 		welcome_email_template: DF.Link | None
 	# end: auto-generated types
+
 	def validate(self):
 		from frappe.twofactor import toggle_two_factor_auth
 
@@ -130,6 +132,13 @@ class SystemSettings(Document):
 		self.validate_backup_limit()
 		self.validate_file_extensions()
 
+		if self.link_field_results_limit > 50:
+			self.link_field_results_limit = 50
+			label = _(self.meta.get_label("link_field_results_limit"))
+			frappe.msgprint(
+				_("{0} can not be more than {1}").format(label, 50), alert=True, indicator="yellow"
+			)
+
 	def validate_user_pass_login(self):
 		if not self.disable_user_pass_login:
 			return

frappe/public/js/frappe/form/controls/link.js

@@ -252,6 +252,7 @@ frappe.ui.form.ControlLink = class ControlLink extends frappe.ui.form.ControlDat
 					doctype: doctype,
 					ignore_user_permissions: me.df.ignore_user_permissions,
 					reference_doctype: me.get_reference_doctype() || "",
+					page_length: cint(frappe.boot.sysdefaults.link_field_results_limit) || 10,
 				};
 
 				me.set_custom_query(args);