Add migrate from OneDev (#16356)

* Use context to simplify logic.

* Added migration from OneDev.
This PR adds [OneDev](https://code.onedev.io/) as migration source.

Supported:
- [x] Milestones
- [x] Issues
- [x] Pull Requests
- [x] Comments
- [x] Reviews
- [x] Labels

1 files changed, 7 insertions, 3 deletions

diff --git a/modules/migrations/restore.go b/modules/migrations/restore.go
index 6177f80cbb..6287d601c2 100644
--- a/modules/migrations/restore.go
+++ b/modules/migrations/restore.go
@@ -208,13 +208,16 @@ func (r *RepositoryRestorer) GetIssues(page, perPage int) ([]*base.Issue, bool,
 	if err != nil {
 		return nil, false, err
 	}
+	for _, issue := range issues {
+		issue.Context = base.BasicIssueContext(issue.Number)
+	}
 	return issues, true, nil
 }
 
 // GetComments returns comments according issueNumber
 func (r *RepositoryRestorer) GetComments(opts base.GetCommentOptions) ([]*base.Comment, bool, error) {
 	var comments = make([]*base.Comment, 0, 10)
-	p := filepath.Join(r.commentDir(), fmt.Sprintf("%d.yml", opts.IssueNumber))
+	p := filepath.Join(r.commentDir(), fmt.Sprintf("%d.yml", opts.Context.ForeignID()))
 	_, err := os.Stat(p)
 	if err != nil {
 		if os.IsNotExist(err) {
@@ -258,14 +261,15 @@ func (r *RepositoryRestorer) GetPullRequests(page, perPage int) ([]*base.PullReq
 	}
 	for _, pr := range pulls {
 		pr.PatchURL = "file://" + filepath.Join(r.baseDir, pr.PatchURL)
+		pr.Context = base.BasicIssueContext(pr.Number)
 	}
 	return pulls, true, nil
 }
 
 // GetReviews returns pull requests review
-func (r *RepositoryRestorer) GetReviews(pullRequestNumber int64) ([]*base.Review, error) {
+func (r *RepositoryRestorer) GetReviews(context base.IssueContext) ([]*base.Review, error) {
 	var reviews = make([]*base.Review, 0, 10)
-	p := filepath.Join(r.reviewDir(), fmt.Sprintf("%d.yml", pullRequestNumber))
+	p := filepath.Join(r.reviewDir(), fmt.Sprintf("%d.yml", context.ForeignID()))
 	_, err := os.Stat(p)
 	if err != nil {
 		if os.IsNotExist(err) {