[feature/frontend] Let admins send test email to validate SMTP config (#2934)

* [feature/frontend] Let admins send test email to validate SMTP config

* wee

2 files changed, 73 insertions, 22 deletions

diff --git a/web/source/settings/lib/query/admin/actions/index.ts b/web/source/settings/lib/query/admin/actions/index.ts
new file mode 100644
index 000000000..7bf34c9ba
--- /dev/null
+++ b/web/source/settings/lib/query/admin/actions/index.ts
@@ -0,0 +1,73 @@
+/*
+	GoToSocial
+	Copyright (C) GoToSocial Authors admin@gotosocial.org
+	SPDX-License-Identifier: AGPL-3.0-or-later
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+
+	You should have received a copy of the GNU Affero General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+import { gtsApi } from "../../gts-api";
+
+const extended = gtsApi.injectEndpoints({
+	endpoints: (build) => ({
+		mediaCleanup: build.mutation({
+			query: (days) => ({
+				method: "POST",
+				url: `/api/v1/admin/media_cleanup`,
+				params: {
+					remote_cache_days: days
+				}
+			})
+		}),
+
+		instanceKeysExpire: build.mutation({
+			query: (domain) => ({
+				method: "POST",
+				url: `/api/v1/admin/domain_keys_expire`,
+				params: {
+					domain: domain
+				}
+			})
+		}),
+
+		sendTestEmail: build.mutation<any, { email: string, message?: string }>({
+			query: (params) => ({
+				method: "POST",
+				url: `/api/v1/admin/email/test`,
+				params: params,
+			})
+		}),
+	}),
+});
+
+/**
+ * POST to /api/v1/admin/media_cleanup to trigger manual cleanup.
+ */
+const useMediaCleanupMutation = extended.useMediaCleanupMutation;
+
+/**
+ * POST to /api/v1/admin/domain_keys_expire to expire domain keys for the given domain.
+ */
+const useInstanceKeysExpireMutation = extended.useInstanceKeysExpireMutation;
+
+/**
+ * POST to /api/v1/admin/email/test to send a test email to the given address.
+ */
+const useSendTestEmailMutation = extended.useSendTestEmailMutation;
+
+export {
+	useMediaCleanupMutation,
+	useInstanceKeysExpireMutation,
+	useSendTestEmailMutation,
+};
diff --git a/web/source/settings/lib/query/admin/index.ts b/web/source/settings/lib/query/admin/index.ts
index 3a095a8a1..fba028853 100644
--- a/web/source/settings/lib/query/admin/index.ts
+++ b/web/source/settings/lib/query/admin/index.ts
@@ -37,26 +37,6 @@ const extended = gtsApi.injectEndpoints({
 			...replaceCacheOnMutation("instanceV1"),
 		}),
 
-		mediaCleanup: build.mutation({
-			query: (days) => ({
-				method: "POST",
-				url: `/api/v1/admin/media_cleanup`,
-				params: {
-					remote_cache_days: days
-				}
-			})
-		}),
-
-		instanceKeysExpire: build.mutation({
-			query: (domain) => ({
-				method: "POST",
-				url: `/api/v1/admin/domain_keys_expire`,
-				params: {
-					domain: domain
-				}
-			})
-		}),
-
 		getAccount: build.query<AdminAccount, string>({
 			query: (id) => ({
 				url: `/api/v1/admin/accounts/${id}`
@@ -214,8 +194,6 @@ const extended = gtsApi.injectEndpoints({
 
 export const {
 	useUpdateInstanceMutation,
-	useMediaCleanupMutation,
-	useInstanceKeysExpireMutation,
 	useGetAccountQuery,
 	useLazyGetAccountQuery,
 	useActionAccountMutation,