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// Copyright 2019 The Gitea Authors.
// All rights reserved.
// SPDX-License-Identifier: MIT
package pull
import (
"context"
"fmt"
"io"
"regexp"
"strings"
"code.gitea.io/gitea/models/db"
issues_model "code.gitea.io/gitea/models/issues"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/notification"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
issue_service "code.gitea.io/gitea/services/issue"
)
var notEnoughLines = regexp.MustCompile(`fatal: file .* has only \d+ lines?`)
// checkInvalidation checks if the line of code comment got changed by another commit.
// If the line got changed the comment is going to be invalidated.
func checkInvalidation(ctx context.Context, c *issues_model.Comment, doer *user_model.User, repo *git.Repository, branch string) error {
// FIXME differentiate between previous and proposed line
commit, err := repo.LineBlame(branch, repo.Path, c.TreePath, uint(c.UnsignedLine()))
if err != nil && (strings.Contains(err.Error(), "fatal: no such path") || notEnoughLines.MatchString(err.Error())) {
c.Invalidated = true
return issues_model.UpdateCommentInvalidate(ctx, c)
}
if err != nil {
return err
}
if c.CommitSHA != "" && c.CommitSHA != commit.ID.String() {
c.Invalidated = true
return issues_model.UpdateCommentInvalidate(ctx, c)
}
return nil
}
// InvalidateCodeComments will lookup the prs for code comments which got invalidated by change
func InvalidateCodeComments(ctx context.Context, prs issues_model.PullRequestList, doer *user_model.User, repo *git.Repository, branch string) error {
if len(prs) == 0 {
return nil
}
issueIDs := prs.GetIssueIDs()
var codeComments []*issues_model.Comment
if err := db.Find(ctx, &issues_model.FindCommentsOptions{
ListOptions: db.ListOptions{
ListAll: true,
},
Type: issues_model.CommentTypeCode,
Invalidated: util.OptionalBoolFalse,
IssueIDs: issueIDs,
}, &codeComments); err != nil {
return fmt.Errorf("find code comments: %v", err)
}
for _, comment := range codeComments {
if err := checkInvalidation(ctx, comment, doer, repo, branch); err != nil {
return err
}
}
return nil
}
// CreateCodeComment creates a comment on the code line
func CreateCodeComment(ctx context.Context, doer *user_model.User, gitRepo *git.Repository, issue *issues_model.Issue, line int64, content, treePath string, isReview bool, replyReviewID int64, latestCommitID string) (*issues_model.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 && replyReviewID != 0 {
// 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 = issues_model.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(ctx); err != nil {
return nil, err
}
comment, err := createCodeComment(ctx,
doer,
issue.Repo,
issue,
content,
treePath,
line,
replyReviewID,
)
if err != nil {
return nil, err
}
mentions, err := issues_model.FindAndUpdateIssueMentions(ctx, issue, doer, comment.Content)
if err != nil {
return nil, err
}
notification.NotifyCreateIssueComment(ctx, doer, issue.Repo, issue, comment, mentions)
return comment, nil
}
review, err := issues_model.GetCurrentReview(ctx, doer, issue)
if err != nil {
if !issues_model.IsErrReviewNotExist(err) {
return nil, err
}
if review, err = issues_model.CreateReview(ctx, issues_model.CreateReviewOptions{
Type: issues_model.ReviewTypePending,
Reviewer: doer,
Issue: issue,
Official: false,
CommitID: latestCommitID,
}); err != nil {
return nil, err
}
}
comment, err := createCodeComment(ctx,
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(ctx, doer, gitRepo, issue, issues_model.ReviewTypeComment, "", latestCommitID, nil); 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(ctx context.Context, doer *user_model.User, repo *repo_model.Repository, issue *issues_model.Issue, content, treePath string, line, reviewID int64) (*issues_model.Comment, error) {
var commitID, patch string
if err := issue.LoadPullRequest(ctx); err != nil {
return nil, fmt.Errorf("LoadPullRequest: %w", err)
}
pr := issue.PullRequest
if err := pr.LoadBaseRepo(ctx); err != nil {
return nil, fmt.Errorf("LoadBaseRepo: %w", err)
}
gitRepo, closer, err := git.RepositoryFromContextOrOpen(ctx, pr.BaseRepo.RepoPath())
if err != nil {
return nil, fmt.Errorf("RepositoryFromContextOrOpen: %w", err)
}
defer closer.Close()
invalidated := false
head := pr.GetGitRefName()
if line > 0 {
if reviewID != 0 {
first, err := issues_model.FindComments(ctx, &issues_model.FindCommentsOptions{
ReviewID: reviewID,
Line: line,
TreePath: treePath,
Type: issues_model.CommentTypeCode,
ListOptions: db.ListOptions{
PageSize: 1,
Page: 1,
},
})
if err == nil && len(first) > 0 {
commitID = first[0].CommitSHA
invalidated = first[0].Invalidated
patch = first[0].Patch
} else if err != nil && !issues_model.IsErrCommentNotExist(err) {
return nil, fmt.Errorf("Find first comment for %d line %d path %s. Error: %w", reviewID, line, treePath, err)
} else {
review, err := issues_model.GetReviewByID(ctx, reviewID)
if err == nil && len(review.CommitID) > 0 {
head = review.CommitID
} else if err != nil && !issues_model.IsErrReviewNotExist(err) {
return nil, fmt.Errorf("GetReviewByID %d. Error: %w", reviewID, err)
}
}
}
if len(commitID) == 0 {
// FIXME validate treePath
// Get latest commit referencing the commented line
// No need for get commit for base branch changes
commit, err := gitRepo.LineBlame(head, 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") || notEnoughLines.MatchString(err.Error())) {
return nil, fmt.Errorf("LineBlame[%s, %s, %s, %d]: %w", pr.GetGitRefName(), gitRepo.Path, treePath, line, err)
}
}
}
// Only fetch diff if comment is review comment
if len(patch) == 0 && reviewID != 0 {
headCommitID, err := gitRepo.GetRefCommitID(pr.GetGitRefName())
if err != nil {
return nil, fmt.Errorf("GetRefCommitID[%s]: %w", pr.GetGitRefName(), err)
}
if len(commitID) == 0 {
commitID = headCommitID
}
reader, writer := io.Pipe()
defer func() {
_ = reader.Close()
_ = writer.Close()
}()
go func() {
if err := git.GetRepoRawDiffForFile(gitRepo, pr.MergeBase, headCommitID, git.RawDiffNormal, treePath, writer); err != nil {
_ = writer.CloseWithError(fmt.Errorf("GetRawDiffForLine[%s, %s, %s, %s]: %w", gitRepo.Path, pr.MergeBase, headCommitID, treePath, err))
return
}
_ = writer.Close()
}()
patch, err = git.CutDiffAroundLine(reader, int64((&issues_model.Comment{Line: line}).UnsignedLine()), line < 0, setting.UI.CodeCommentLines)
if err != nil {
log.Error("Error whilst generating patch: %v", err)
return nil, err
}
}
return issue_service.CreateComment(&issues_model.CreateCommentOptions{
Type: issues_model.CommentTypeCode,
Doer: doer,
Repo: repo,
Issue: issue,
Content: content,
LineNum: line,
TreePath: treePath,
CommitSHA: commitID,
ReviewID: reviewID,
Patch: patch,
Invalidated: invalidated,
})
}
// SubmitReview creates a review out of the existing pending review or creates a new one if no pending review exist
func SubmitReview(ctx context.Context, doer *user_model.User, gitRepo *git.Repository, issue *issues_model.Issue, reviewType issues_model.ReviewType, content, commitID string, attachmentUUIDs []string) (*issues_model.Review, *issues_model.Comment, error) {
pr, err := issue.GetPullRequest()
if err != nil {
return nil, nil, err
}
var stale bool
if reviewType != issues_model.ReviewTypeApprove && reviewType != issues_model.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(ctx, pr, commitID, headCommitID)
if err != nil {
return nil, nil, err
}
}
}
review, comm, err := issues_model.SubmitReview(doer, issue, reviewType, content, commitID, stale, attachmentUUIDs)
if err != nil {
return nil, nil, err
}
mentions, err := issues_model.FindAndUpdateIssueMentions(ctx, issue, doer, comm.Content)
if err != nil {
return nil, nil, err
}
notification.NotifyPullRequestReview(ctx, pr, review, comm, mentions)
for _, lines := range review.CodeComments {
for _, comments := range lines {
for _, codeComment := range comments {
mentions, err := issues_model.FindAndUpdateIssueMentions(ctx, issue, doer, codeComment.Content)
if err != nil {
return nil, nil, err
}
notification.NotifyPullRequestCodeComment(ctx, pr, codeComment, mentions)
}
}
}
return review, comm, nil
}
// DismissReview dismissing stale review by repo admin
func DismissReview(ctx context.Context, reviewID, repoID int64, message string, doer *user_model.User, isDismiss, dismissPriors bool) (comment *issues_model.Comment, err error) {
review, err := issues_model.GetReviewByID(ctx, reviewID)
if err != nil {
return
}
if review.Type != issues_model.ReviewTypeApprove && review.Type != issues_model.ReviewTypeReject {
return nil, fmt.Errorf("not need to dismiss this review because it's type is not Approve or change request")
}
// load data for notify
if err = review.LoadAttributes(ctx); err != nil {
return nil, err
}
// Check if the review's repoID is the one we're currently expecting.
if review.Issue.RepoID != repoID {
return nil, fmt.Errorf("reviews's repository is not the same as the one we expect")
}
if err = issues_model.DismissReview(review, isDismiss); err != nil {
return
}
if dismissPriors {
reviews, err := issues_model.GetReviews(ctx, &issues_model.GetReviewOptions{
IssueID: review.IssueID,
ReviewerID: review.ReviewerID,
Dismissed: util.OptionalBoolFalse,
})
if err != nil {
return nil, err
}
for _, oldReview := range reviews {
if err = issues_model.DismissReview(oldReview, true); err != nil {
return nil, err
}
}
}
if !isDismiss {
return nil, nil
}
if err = review.Issue.LoadPullRequest(ctx); err != nil {
return
}
if err = review.Issue.LoadAttributes(ctx); err != nil {
return
}
comment, err = issue_service.CreateComment(&issues_model.CreateCommentOptions{
Doer: doer,
Content: message,
Type: issues_model.CommentTypeDismissReview,
ReviewID: review.ID,
Issue: review.Issue,
Repo: review.Issue.Repo,
})
if err != nil {
return
}
comment.Review = review
comment.Poster = doer
comment.Issue = review.Issue
notification.NotifyPullReviewDismiss(ctx, doer, review, comment)
return comment, err
}
|