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// Copyright 2018 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 (
"net/http"
"strings"
"time"
"github.com/gogs/git-module"
api "github.com/gogs/go-gogs-client"
"gogs.io/gogs/internal/conf"
"gogs.io/gogs/internal/context"
"gogs.io/gogs/internal/db"
"gogs.io/gogs/internal/gitutil"
)
// GetAllCommits returns a slice of commits starting from HEAD.
func GetAllCommits(c *context.APIContext) {
// Get pagesize, set default if it is not specified.
pageSize := c.QueryInt("pageSize")
if pageSize == 0 {
pageSize = 30
}
gitRepo, err := git.Open(c.Repo.Repository.RepoPath())
if err != nil {
c.Error(err, "open repository")
return
}
// The response object returned as JSON
result := make([]*api.Commit, 0, pageSize)
commits, err := gitRepo.Log("HEAD", git.LogOptions{MaxCount: pageSize})
if err != nil {
c.Error(err, "git log")
}
for _, commit := range commits {
apiCommit, err := gitCommitToAPICommit(commit, c)
if err != nil {
c.Error(err, "convert git commit to api commit")
return
}
result = append(result, apiCommit)
}
c.JSONSuccess(result)
}
// GetSingleCommit will return a single Commit object based on the specified SHA.
func GetSingleCommit(c *context.APIContext) {
if strings.Contains(c.Req.Header.Get("Accept"), api.MediaApplicationSHA) {
c.SetParams("*", c.Params(":sha"))
GetReferenceSHA(c)
return
}
gitRepo, err := git.Open(c.Repo.Repository.RepoPath())
if err != nil {
c.Error(err, "open repository")
return
}
commit, err := gitRepo.CatFileCommit(c.Params(":sha"))
if err != nil {
c.NotFoundOrError(gitutil.NewError(err), "get commit")
return
}
apiCommit, err := gitCommitToAPICommit(commit, c)
if err != nil {
c.Error(err, "convert git commit to api commit")
}
c.JSONSuccess(apiCommit)
}
func GetReferenceSHA(c *context.APIContext) {
gitRepo, err := git.Open(c.Repo.Repository.RepoPath())
if err != nil {
c.Error(err, "open repository")
return
}
ref := c.Params("*")
refType := 0 // 0-unknown, 1-branch, 2-tag
if strings.HasPrefix(ref, git.RefsHeads) {
ref = strings.TrimPrefix(ref, git.RefsHeads)
refType = 1
} else if strings.HasPrefix(ref, git.RefsTags) {
ref = strings.TrimPrefix(ref, git.RefsTags)
refType = 2
} else {
if gitRepo.HasBranch(ref) {
refType = 1
} else if gitRepo.HasTag(ref) {
refType = 2
} else {
c.NotFound()
return
}
}
var sha string
if refType == 1 {
sha, err = gitRepo.BranchCommitID(ref)
} else if refType == 2 {
sha, err = gitRepo.TagCommitID(ref)
}
if err != nil {
c.NotFoundOrError(gitutil.NewError(err), "get reference commit ID")
return
}
c.PlainText(http.StatusOK, sha)
}
// gitCommitToApiCommit is a helper function to convert git commit object to API commit.
func gitCommitToAPICommit(commit *git.Commit, c *context.APIContext) (*api.Commit, error) {
// Retrieve author and committer information
var apiAuthor, apiCommitter *api.User
author, err := db.GetUserByEmail(commit.Author.Email)
if err != nil && !db.IsErrUserNotExist(err) {
return nil, err
} else if err == nil {
apiAuthor = author.APIFormat()
}
// Save one query if the author is also the committer
if commit.Committer.Email == commit.Author.Email {
apiCommitter = apiAuthor
} else {
committer, err := db.GetUserByEmail(commit.Committer.Email)
if err != nil && !db.IsErrUserNotExist(err) {
return nil, err
} else if err == nil {
apiCommitter = committer.APIFormat()
}
}
// Retrieve parent(s) of the commit
apiParents := make([]*api.CommitMeta, commit.ParentsCount())
for i := 0; i < commit.ParentsCount(); i++ {
sha, _ := commit.ParentID(i)
apiParents[i] = &api.CommitMeta{
URL: c.BaseURL + "/repos/" + c.Repo.Repository.FullName() + "/commits/" + sha.String(),
SHA: sha.String(),
}
}
return &api.Commit{
CommitMeta: &api.CommitMeta{
URL: conf.Server.ExternalURL + c.Link[1:],
SHA: commit.ID.String(),
},
HTMLURL: c.Repo.Repository.HTMLURL() + "/commits/" + commit.ID.String(),
RepoCommit: &api.RepoCommit{
URL: conf.Server.ExternalURL + c.Link[1:],
Author: &api.CommitUser{
Name: commit.Author.Name,
Email: commit.Author.Email,
Date: commit.Author.When.Format(time.RFC3339),
},
Committer: &api.CommitUser{
Name: commit.Committer.Name,
Email: commit.Committer.Email,
Date: commit.Committer.When.Format(time.RFC3339),
},
Message: commit.Summary(),
Tree: &api.CommitMeta{
URL: c.BaseURL + "/repos/" + c.Repo.Repository.FullName() + "/tree/" + commit.ID.String(),
SHA: commit.ID.String(),
},
},
Author: apiAuthor,
Committer: apiCommitter,
Parents: apiParents,
}, nil
}
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