Merge pull request #2506 from sapk/add-branche-api-support

Implement API for branches listing

models/repo.go

@@ -288,6 +288,20 @@ func (repo *Repository) GetMirror() (err error) {
 	return err
 }
 
+func (repo *Repository) GetBranch(br string) (*Branch, error) {
+	if(!git.IsBranchExist(repo.RepoPath(), br)){
+		return nil, fmt.Errorf("Branch does not exist: %s", br);
+	}
+	return &Branch{
+			Path: repo.RepoPath(),
+			Name: br,
+	},nil
+}
+
+func (repo *Repository) GetBranches() ([]*Branch, error) {
+	return GetBranchesByPath(repo.RepoPath())
+}
+
 func (repo *Repository) GetBaseRepo() (err error) {
 	if !repo.IsFork {
 		return nil

models/repo_branch.go

@@ -0,0 +1,43 @@
+// Copyright 2016 The Gogs 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 models
+
+import (
+	"github.com/gogits/git-module"
+)
+
+type Branch struct {
+	Path		string
+	Name      	string
+}
+
+func GetBranchesByPath(path string) ([]*Branch, error) {
+	gitRepo, err := git.OpenRepository(path)
+	if err != nil {
+		return nil, err
+	}
+
+	brs, err := gitRepo.GetBranches()
+	if err != nil {
+		return nil, err
+	}
+
+	Branches := make([]*Branch, len(brs))
+	for i := range brs {
+		Branches[i] = &Branch{
+			Path: path,
+			Name: brs[i],
+		}
+	}
+	return Branches, nil
+}
+
+func (br *Branch) GetCommit() (*git.Commit, error) {
+	gitRepo, err := git.OpenRepository(br.Path)
+	if err != nil {
+		return nil, err
+	}
+	return gitRepo.GetBranchCommit(br.Name)
+}

routers/api/v1/api.go

@@ -183,7 +183,10 @@ func RegisterRoutes(m *macaron.Macaron) {
 				m.Patch("/hooks/:id:int", bind(api.EditHookOption{}), repo.EditHook)
 				m.Get("/raw/*", middleware.RepoRef(), repo.GetRawFile)
 				m.Get("/archive/*", repo.GetArchive)
-
+				m.Group("/branches", func() {
+					m.Get("",repo.ListBranches)
+					m.Get("/:branchname",repo.GetBranch)
+				})
 				m.Group("/keys", func() {
 					m.Combo("").Get(repo.ListDeployKeys).
 						Post(bind(api.CreateKeyOption{}), repo.CreateDeployKey)

routers/api/v1/convert/convert.go

@@ -10,6 +10,7 @@ import (
 	"github.com/Unknwon/com"
 
 	api "github.com/gogits/go-gogs-client"
+	"github.com/gogits/git-module"
 
 	"github.com/gogits/gogs/models"
 	"github.com/gogits/gogs/modules/setting"
@@ -50,6 +51,28 @@ func ToApiRepository(owner *models.User, repo *models.Repository, permission api
 	}
 }
 
+// ToApiBranch converts user to its API format.
+func ToApiBranch(b *models.Branch,c *git.Commit) *api.Branch {
+	return &api.Branch{
+			Name: b.Name,
+			Commit: ToApiCommit(c),
+		}
+}
+
+// ToApiCommit converts user to its API format.
+func ToApiCommit(c *git.Commit) *api.PayloadCommit {
+	return &api.PayloadCommit{
+		ID: c.ID.String(),
+		Message: c.Message(),
+		URL: "Not implemented",
+		Author: &api.PayloadAuthor{
+			Name: c.Committer.Name,
+			Email: c.Committer.Email,
+			/* UserName: c.Committer.UserName, */
+		},
+	}
+}
+
 // ToApiPublicKey converts public key to its API format.
 func ToApiPublicKey(apiLink string, key *models.PublicKey) *api.PublicKey {
 	return &api.PublicKey{

routers/api/v1/repo/branch.go

@@ -0,0 +1,55 @@
+// Copyright 2016 The Gogs 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 (
+	api "github.com/gogits/go-gogs-client"
+
+	"github.com/gogits/gogs/modules/middleware"
+	"github.com/gogits/gogs/routers/api/v1/convert"
+)
+
+// Temporary: https://gist.github.com/sapk/df64347ff218baf4a277#get-a-branch
+// https://github.com/gogits/go-gogs-client/wiki/Repositories-Branches#get-a-branch
+func GetBranch(ctx *middleware.Context) {
+	// Getting the branch requested
+	branch, err := ctx.Repo.Repository.GetBranch(ctx.Params(":branchname"))
+	if err != nil {
+		ctx.APIError(500, "Repository.GetBranch", err)
+		return
+	}
+	// Getting the last commit of the branch
+	c, err := branch.GetCommit()
+	if err != nil {
+		ctx.APIError(500, "Branch.GetCommit", err)
+		return
+	}
+	// Converting to API format and send payload
+	ctx.JSON(200, convert.ToApiBranch(branch,c))
+}
+
+// Temporary: https://gist.github.com/sapk/df64347ff218baf4a277#list-branches
+// https://github.com/gogits/go-gogs-client/wiki/Repositories-Branches#list-branches
+func ListBranches(ctx *middleware.Context) {
+	// Listing of branches
+	Branches, err := ctx.Repo.Repository.GetBranches()
+	if err != nil {
+		ctx.APIError(500, "Repository.GetBranches", err)
+		return
+	}
+	// Getting the last commit of each branch
+	apiBranches := make([]*api.Branch, len(Branches))
+	for i := range Branches {
+		c, err := Branches[i].GetCommit()
+		if err != nil {
+			ctx.APIError(500, "Branch.GetCommit", err)
+			return
+		}
+		// Converting to API format
+		apiBranches[i] = convert.ToApiBranch(Branches[i],c)
+	}
+	// Sending the payload
+	ctx.JSON(200, &apiBranches)
+}