Add new API endpoints for push mirrors management (#19841)

- Add a new push mirror to specific repository
- Sync now ( send all the changes to the configured push mirrors )
- Get list of all push mirrors of a repository
- Get a push mirror by ID
- Delete push mirror by ID

Signed-off-by: Mohamed Sekour <mohamed.sekour@exfo.com>
Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: zeripath <art27@cantab.net>

modules/convert/mirror.go

@@ -0,0 +1,39 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package convert
+
+import (
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/modules/git"
+	api "code.gitea.io/gitea/modules/structs"
+)
+
+// ToPushMirror convert from repo_model.PushMirror and remoteAddress to api.TopicResponse
+func ToPushMirror(pm *repo_model.PushMirror) (*api.PushMirror, error) {
+	repo := pm.GetRepository()
+	remoteAddress, err := getRemoteAddress(repo, pm.RemoteName)
+	if err != nil {
+		return nil, err
+	}
+	return &api.PushMirror{
+		RepoName:       repo.Name,
+		RemoteName:     pm.RemoteName,
+		RemoteAddress:  remoteAddress,
+		CreatedUnix:    pm.CreatedUnix.FormatLong(),
+		LastUpdateUnix: pm.LastUpdateUnix.FormatLong(),
+		LastError:      pm.LastError,
+		Interval:       pm.Interval.String(),
+	}, nil
+}
+
+func getRemoteAddress(repo *repo_model.Repository, remoteName string) (string, error) {
+	url, err := git.GetRemoteURL(git.DefaultContext, repo.RepoPath(), remoteName)
+	if err != nil {
+		return "", err
+	}
+	// remove confidential information
+	url.User = nil
+	return url.String(), nil
+}