gitea/services/comments/comments.go
Lunny Xiao c03d75fbd5 Move git diff codes from models to services/gitdiff (#7889)
* move git diff codes from models to services/gitdiff

* fix template

* fix test

* fix template
2019-09-05 22:20:09 -04:00

69 lines
2.4 KiB
Go

// 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 comments
import (
"bytes"
"fmt"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/services/gitdiff"
)
// CreateCodeComment creates a plain code comment at the specified line / path
func CreateCodeComment(doer *models.User, repo *models.Repository, issue *models.Issue, content, treePath string, line, reviewID int64) (*models.Comment, error) {
var commitID, patch string
pr, err := models.GetPullRequestByIssueID(issue.ID)
if err != nil {
return nil, fmt.Errorf("GetPullRequestByIssueID: %v", err)
}
if err := pr.GetBaseRepo(); err != nil {
return nil, fmt.Errorf("GetHeadRepo: %v", err)
}
gitRepo, err := git.OpenRepository(pr.BaseRepo.RepoPath())
if err != nil {
return nil, fmt.Errorf("OpenRepository: %v", err)
}
// FIXME validate treePath
// Get latest commit referencing the commented line
// No need for get commit for base branch changes
if line > 0 {
commit, err := gitRepo.LineBlame(pr.GetGitRefName(), gitRepo.Path, treePath, uint(line))
if err == nil {
commitID = commit.ID.String()
} else if !strings.Contains(err.Error(), "exit status 128 - fatal: no such path") {
return nil, fmt.Errorf("LineBlame[%s, %s, %s, %d]: %v", pr.GetGitRefName(), gitRepo.Path, treePath, line, err)
}
}
// Only fetch diff if comment is review comment
if reviewID != 0 {
headCommitID, err := gitRepo.GetRefCommitID(pr.GetGitRefName())
if err != nil {
return nil, fmt.Errorf("GetRefCommitID[%s]: %v", pr.GetGitRefName(), err)
}
patchBuf := new(bytes.Buffer)
if err := gitdiff.GetRawDiffForFile(gitRepo.Path, pr.MergeBase, headCommitID, gitdiff.RawDiffNormal, treePath, patchBuf); err != nil {
return nil, fmt.Errorf("GetRawDiffForLine[%s, %s, %s, %s]: %v", err, gitRepo.Path, pr.MergeBase, headCommitID, treePath)
}
patch = gitdiff.CutDiffAroundLine(patchBuf, int64((&models.Comment{Line: line}).UnsignedLine()), line < 0, setting.UI.CodeCommentLines)
}
return models.CreateComment(&models.CreateCommentOptions{
Type: models.CommentTypeCode,
Doer: doer,
Repo: repo,
Issue: issue,
Content: content,
LineNum: line,
TreePath: treePath,
CommitSHA: commitID,
ReviewID: reviewID,
Patch: patch,
})
}