Move modules/mirror to services (#26737)

To solve the cyclic imports in a better way

Closes #20261

services/mirror/notifier.go

@@ -0,0 +1,32 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package mirror
+
+import (
+	"context"
+
+	repo_model "code.gitea.io/gitea/models/repo"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/notification"
+	"code.gitea.io/gitea/modules/notification/base"
+	"code.gitea.io/gitea/modules/repository"
+)
+
+func init() {
+	notification.RegisterNotifier(&mirrorNotifier{})
+}
+
+type mirrorNotifier struct {
+	base.NullNotifier
+}
+
+var _ base.Notifier = &mirrorNotifier{}
+
+func (m *mirrorNotifier) NotifyPushCommits(ctx context.Context, _ *user_model.User, repo *repo_model.Repository, _ *repository.PushUpdateOptions, _ *repository.PushCommits) {
+	syncPushMirrorWithSyncOnCommit(ctx, repo.ID)
+}
+
+func (m *mirrorNotifier) NotifySyncPushCommits(ctx context.Context, _ *user_model.User, repo *repo_model.Repository, _ *repository.PushUpdateOptions, _ *repository.PushCommits) {
+	syncPushMirrorWithSyncOnCommit(ctx, repo.ID)
+}