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gitea/services/pull/review.go
David Svantesson 25531c71a7 Mark PR reviews as stale at push and allow to dismiss stale approvals (#9532)
Fix #5997.

If a push causes the patch/diff of a PR towards target branch to change, all existing reviews for the PR will be set and shown as stale.
New branch protection option to dismiss stale approvals are added.
To show that a review is not based on the latest PR changes, an hourglass is shown
2020-01-09 01:47:45 +00:00

197 lines
5.6 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 pull
import (
"bytes"
"fmt"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/notification"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/services/gitdiff"
)
// CreateCodeComment creates a comment on the code line
func CreateCodeComment(doer *models.User, gitRepo *git.Repository, issue *models.Issue, line int64, content string, treePath string, isReview bool, replyReviewID int64, latestCommitID string) (*models.Comment, error) {
var (
existsReview bool
err error
)
// CreateCodeComment() is used for:
// - Single comments
// - Comments that are part of a review
// - Comments that reply to an existing review
if !isReview {
// It's not part of a review; maybe a reply to a review comment or a single comment.
// Check if there are reviews for that line already; if there are, this is a reply
if existsReview, err = models.ReviewExists(issue, treePath, line); err != nil {
return nil, err
}
}
// Comments that are replies don't require a review header to show up in the issue view
if !isReview && existsReview {
if err = issue.LoadRepo(); err != nil {
return nil, err
}
comment, err := createCodeComment(
doer,
issue.Repo,
issue,
content,
treePath,
line,
replyReviewID,
)
if err != nil {
return nil, err
}
notification.NotifyCreateIssueComment(doer, issue.Repo, issue, comment)
return comment, nil
}
review, err := models.GetCurrentReview(doer, issue)
if err != nil {
if !models.IsErrReviewNotExist(err) {
return nil, err
}
review, err = models.CreateReview(models.CreateReviewOptions{
Type: models.ReviewTypePending,
Reviewer: doer,
Issue: issue,
Official: false,
CommitID: latestCommitID,
})
if err != nil {
return nil, err
}
}
comment, err := createCodeComment(
doer,
issue.Repo,
issue,
content,
treePath,
line,
review.ID,
)
if err != nil {
return nil, err
}
if !isReview && !existsReview {
// Submit the review we've just created so the comment shows up in the issue view
if _, _, err = SubmitReview(doer, gitRepo, issue, models.ReviewTypeComment, "", latestCommitID); err != nil {
return nil, err
}
}
// NOTICE: if it's a pending review the notifications will not be fired until user submit review.
return comment, nil
}
// 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
if err := issue.LoadPullRequest(); err != nil {
return nil, fmt.Errorf("GetPullRequestByIssueID: %v", err)
}
pr := issue.PullRequest
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)
}
defer gitRepo.Close()
// 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,
})
}
// SubmitReview creates a review out of the existing pending review or creates a new one if no pending review exist
func SubmitReview(doer *models.User, gitRepo *git.Repository, issue *models.Issue, reviewType models.ReviewType, content, commitID string) (*models.Review, *models.Comment, error) {
pr, err := issue.GetPullRequest()
if err != nil {
return nil, nil, err
}
var stale bool
if reviewType != models.ReviewTypeApprove && reviewType != models.ReviewTypeReject {
stale = false
} else {
headCommitID, err := gitRepo.GetRefCommitID(pr.GetGitRefName())
if err != nil {
return nil, nil, err
}
if headCommitID == commitID {
stale = false
} else {
stale, err = checkIfPRContentChanged(pr, commitID, headCommitID)
if err != nil {
return nil, nil, err
}
}
}
review, comm, err := models.SubmitReview(doer, issue, reviewType, content, commitID, stale)
if err != nil {
return nil, nil, err
}
notification.NotifyPullRequestReview(pr, review, comm)
return review, comm, nil
}