Add API to list tags (#5850)

* Add API to list tags

* update dependency gitea sdk vendor

* fix swagger generation

* fix swagger

* add tests

* update code.gitea.io/git vendor

routers/api/v1/api.go

@@ -513,6 +513,9 @@ func RegisterRoutes(m *macaron.Macaron) {
 					m.Get("", repo.ListBranches)
 					m.Get("/*", context.RepoRefByType(context.RepoRefBranch), repo.GetBranch)
 				}, reqRepoReader(models.UnitTypeCode))
+				m.Group("/tags", func() {
+					m.Get("", repo.ListTags)
+				}, reqRepoReader(models.UnitTypeCode))
 				m.Group("/keys", func() {
 					m.Combo("").Get(repo.ListDeployKeys).
 						Post(bind(api.CreateKeyOption{}), repo.CreateDeployKey)

routers/api/v1/convert/convert.go

@@ -34,6 +34,22 @@ func ToBranch(repo *models.Repository, b *models.Branch, c *git.Commit) *api.Bra
 	}
 }
 
+// ToTag convert a tag to an api.Tag
+func ToTag(repo *models.Repository, t *git.Tag) *api.Tag {
+	return &api.Tag{
+		Name: t.Name,
+		Commit: struct {
+			SHA string `json:"sha"`
+			URL string `json:"url"`
+		}{
+			SHA: t.ID.String(),
+			URL: util.URLJoin(repo.Link(), "commit", t.ID.String()),
+		},
+		ZipballURL: util.URLJoin(repo.Link(), "archive", t.Name+".zip"),
+		TarballURL: util.URLJoin(repo.Link(), "archive", t.Name+".tar.gz"),
+	}
+}
+
 // ToCommit convert a commit to api.PayloadCommit
 func ToCommit(repo *models.Repository, c *git.Commit) *api.PayloadCommit {
 	authorUsername := ""

routers/api/v1/repo/tag.go

@@ -0,0 +1,47 @@
+// Copyright 2019 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 repo
+
+import (
+	"code.gitea.io/gitea/modules/context"
+	"code.gitea.io/gitea/routers/api/v1/convert"
+
+	api "code.gitea.io/sdk/gitea"
+)
+
+// ListTags list all the tags of a repository
+func ListTags(ctx *context.APIContext) {
+	// swagger:operation GET /repos/{owner}/{repo}/tags repository repoListTags
+	// ---
+	// summary: List a repository's tags
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: owner
+	//   in: path
+	//   description: owner of the repo
+	//   type: string
+	//   required: true
+	// - name: repo
+	//   in: path
+	//   description: name of the repo
+	//   type: string
+	//   required: true
+	// responses:
+	//   "200":
+	//     "$ref": "#/responses/TagList"
+	tags, err := ctx.Repo.Repository.GetTags()
+	if err != nil {
+		ctx.Error(500, "GetTags", err)
+		return
+	}
+
+	apiTags := make([]*api.Tag, len(tags))
+	for i := range tags {
+		apiTags[i] = convert.ToTag(ctx.Repo.Repository, tags[i])
+	}
+
+	ctx.JSON(200, &apiTags)
+}

routers/api/v1/swagger/repo.go

@@ -36,6 +36,13 @@ type swaggerResponseBranchList struct {
 	Body []api.Branch `json:"body"`
 }
 
+// TagList
+// swagger:response TagList
+type swaggerReponseTagList struct {
+	// in:body
+	Body []api.Tag `json:"body"`
+}
+
 // Reference
 // swagger:response Reference
 type swaggerResponseReference struct {