admin: "Self Check" should only show for some db types

The "Self Check" menu essentially runs the collation check that is also
performed at startup, and displays the results. This is only a thing for
MariaDB/MySQL and MSSQL. As such, the menu item should only be available
for these database types.

Signed-off-by: Gergely Nagy <forgejo@gergo.csillger.hu>

routers/web/web.go

@@ -676,7 +676,9 @@ func registerRoutes(m *web.Route) {
 		m.Get("", admin.Dashboard)
 		m.Post("", web.Bind(forms.AdminDashboardForm{}), admin.DashboardPost)
 
-		m.Get("/self_check", admin.SelfCheck)
+		if setting.Database.Type.IsMySQL() || setting.Database.Type.IsMSSQL() {
+			m.Get("/self_check", admin.SelfCheck)
+		}
 
 		m.Group("/config", func() {
 			m.Get("", admin.Config)

templates/admin/navbar.tmpl

@@ -4,9 +4,11 @@
 		<a class="{{if .PageIsAdminDashboard}}active {{end}}item" href="{{AppSubUrl}}/admin">
 			{{ctx.Locale.Tr "admin.dashboard"}}
 		</a>
+		{{if or .DatabaseType.IsMySQL .DatabaseType.IsMSSQL}}
 		<a class="{{if .PageIsAdminSelfCheck}}active {{end}}item" href="{{AppSubUrl}}/admin/self_check">
 			{{ctx.Locale.Tr "admin.self_check"}}
 		</a>
+		{{end}}
 		<details class="item toggleable-item" {{if or .PageIsAdminUsers .PageIsAdminEmails .PageIsAdminOrganizations .PageIsAdminAuthentications}}open{{end}}>
 			<summary>{{ctx.Locale.Tr "admin.identity_access"}}</summary>
 			<div class="menu">

tests/integration/db_collation_test.go

@@ -1,9 +1,11 @@
 // Copyright 2023 The Gitea Authors. All rights reserved.
+// Copyright 2024 The Forgejo Authors c/o Codeberg e.V.. All rights reserved.
 // SPDX-License-Identifier: MIT
 
 package integration
 
 import (
+	"net/http"
 	"testing"
 	"time"
 
@@ -21,6 +23,29 @@ type TestCollationTbl struct {
 	Txt string `xorm:"VARCHAR(10) UNIQUE"`
 }
 
+func TestDatabaseCollationSelfCheckUI(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+
+	assertSelfCheckExists := func(exists bool) {
+		expectedHTTPResponse := http.StatusOK
+		if !exists {
+			expectedHTTPResponse = http.StatusNotFound
+		}
+		session := loginUser(t, "user1")
+		req := NewRequest(t, "GET", "/admin/self_check")
+		resp := session.MakeRequest(t, req, expectedHTTPResponse)
+		htmlDoc := NewHTMLParser(t, resp.Body)
+
+		htmlDoc.AssertElement(t, "a.item[href*='/admin/self_check']", exists)
+	}
+
+	if setting.Database.Type.IsMySQL() || setting.Database.Type.IsMSSQL() {
+		assertSelfCheckExists(true)
+	} else {
+		assertSelfCheckExists(false)
+	}
+}
+
 func TestDatabaseCollation(t *testing.T) {
 	x := db.GetEngine(db.DefaultContext).(*xorm.Engine)