1 files changed, 71 insertions, 0 deletions

diff --git a/services/pull/pull.go b/services/pull/pull.go
index 3c6caec882..8c0b65fd8b 100644
--- a/services/pull/pull.go
+++ b/services/pull/pull.go
@@ -10,6 +10,7 @@ import (
 	"os"
 	"regexp"
 	"strings"
+	"time"
 
 	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/models/db"
@@ -17,7 +18,9 @@ import (
 	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/base"
 	"code.gitea.io/gitea/modules/container"
+	gitea_context "code.gitea.io/gitea/modules/context"
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/graceful"
 	"code.gitea.io/gitea/modules/json"
@@ -856,3 +859,71 @@ func IsHeadEqualWithBranch(ctx context.Context, pr *issues_model.PullRequest, br
 	}
 	return baseCommit.HasPreviousCommit(headCommit.ID)
 }
+
+type CommitInfo struct {
+	Summary               string `json:"summary"`
+	CommitterOrAuthorName string `json:"committer_or_author_name"`
+	ID                    string `json:"id"`
+	ShortSha              string `json:"short_sha"`
+	Time                  string `json:"time"`
+}
+
+// GetPullCommits returns all commits on given pull request and the last review commit sha
+func GetPullCommits(ctx *gitea_context.Context, issue *issues_model.Issue) ([]CommitInfo, string, error) {
+	pull := issue.PullRequest
+
+	baseGitRepo := ctx.Repo.GitRepo
+
+	if err := pull.LoadBaseRepo(ctx); err != nil {
+		return nil, "", err
+	}
+	baseBranch := pull.BaseBranch
+	if pull.HasMerged {
+		baseBranch = pull.MergeBase
+	}
+	prInfo, err := baseGitRepo.GetCompareInfo(pull.BaseRepo.RepoPath(), baseBranch, pull.GetGitRefName(), true, false)
+	if err != nil {
+		return nil, "", err
+	}
+
+	commits := make([]CommitInfo, 0, len(prInfo.Commits))
+
+	for _, commit := range prInfo.Commits {
+		var committerOrAuthorName string
+		var commitTime time.Time
+		if commit.Committer != nil {
+			committerOrAuthorName = commit.Committer.Name
+			commitTime = commit.Committer.When
+		} else {
+			committerOrAuthorName = commit.Author.Name
+			commitTime = commit.Author.When
+		}
+
+		commits = append(commits, CommitInfo{
+			Summary:               commit.Summary(),
+			CommitterOrAuthorName: committerOrAuthorName,
+			ID:                    commit.ID.String(),
+			ShortSha:              base.ShortSha(commit.ID.String()),
+			Time:                  commitTime.Format(time.RFC3339),
+		})
+	}
+
+	var lastReviewCommitID string
+	if ctx.IsSigned {
+		// get last review of current user and store information in context (if available)
+		lastreview, err := issues_model.FindLatestReviews(ctx, issues_model.FindReviewOptions{
+			IssueID:    issue.ID,
+			ReviewerID: ctx.Doer.ID,
+			Type:       issues_model.ReviewTypeUnknown,
+		})
+
+		if err != nil && !issues_model.IsErrReviewNotExist(err) {
+			return nil, "", err
+		}
+		if len(lastreview) > 0 {
+			lastReviewCommitID = lastreview[0].CommitID
+		}
+	}
+
+	return commits, lastReviewCommitID, nil
+}