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Monorepo for Tangled
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Go
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import ( "fmt" "net/http" "time"
"tangled.org/core/api/tangled" "tangled.org/core/appview/db" "tangled.org/core/appview/models" "tangled.org/core/appview/oauth" "tangled.org/core/appview/reporesolver" "tangled.org/core/appview/xrpcclient" "tangled.org/core/orm"
"github.com/bluesky-social/indigo/atproto/syntax")
func (s *Pulls) MergePull(w http.ResponseWriter, r *http.Request) { l := s.logger.With("handler", "MergePull")
user := s.oauth.GetMultiAccountUser(r) if user == nil { l.Error("nil user") s.pages.Notice(w, "pull-action-error", "You must be logged in to merge this pull.") return } l = l.With("user", user.Did)
f, err := s.repoResolver.Resolve(r) if err != nil { l.Error("failed to resolve repo", "err", err) s.pages.Notice(w, "pull-action-error", "Failed to merge pull request. Try again later.") return } l = l.With("repo_at", f.RepoAt().String())
pull, ok := r.Context().Value("pull").(*models.Pull) if !ok { l.Error("failed to get pull") s.pages.Notice(w, "pull-action-error", "Failed to merge patch. Try again later.") return } l = l.With("pull_id", pull.PullId, "target_branch", pull.TargetBranch)
stack, ok := r.Context().Value("stack").(models.Stack) if !ok { l.Error("failed to get stack") s.pages.Notice(w, "pull-action-error", "Failed to merge patch. Try again later.") return }
// combine patches of substack subStack := stack.Below(pull) // collect the portion of the stack that is mergeable pullsToMerge := subStack.Mergeable() l = l.With("pulls_to_merge", len(pullsToMerge))
patch := pullsToMerge.CombinedPatch()
ident, err := s.idResolver.ResolveIdent(r.Context(), pull.OwnerDid) if err != nil { l.Error("failed to resolve identity", "err", err, "owner_did", pull.OwnerDid) w.WriteHeader(http.StatusNotFound) return }
email, err := db.GetPrimaryEmail(s.db, pull.OwnerDid) if err != nil { l.Warn("failed to get primary email", "err", err, "owner_did", pull.OwnerDid) }
authorName := ident.Handle.String() mergeInput := &tangled.RepoMerge_Input{ Did: f.Did, Name: f.Name, Branch: pull.TargetBranch, Patch: patch, CommitMessage: &pull.Title, AuthorName: &authorName, }
if pull.Body != "" { mergeInput.CommitBody = &pull.Body }
if email.Address != "" { mergeInput.AuthorEmail = &email.Address }
client, err := s.oauth.ServiceClient( r, oauth.WithService(f.Knot), oauth.WithLxm(tangled.RepoMergeNSID), oauth.WithDev(s.config.Core.Dev), oauth.WithTimeout(time.Second*20), // merge is quite slow on large repos, like witchsky ) if err != nil { l.Error("failed to connect to knot server", "err", err, "knot", f.Knot) s.pages.Notice(w, "pull-action-error", "Failed to merge pull request. Try again later.") return }
err = tangled.RepoMerge(r.Context(), client, mergeInput) if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil { s.logger.Error("failed to merge", "xrpcerr", xrpcerr, "err", err) s.pages.Notice(w, "pull-action-error", xrpcerr.Error()) return }
var atUris []syntax.ATURI for _, p := range pullsToMerge { atUris = append(atUris, p.AtUri()) p.State = models.PullMerged }
if err := s.writePullStatusRecords(r, user.Did, atUris, models.StateMerged); err != nil { l.Error("failed to write pull status records after merge", "err", err) }
tx, err := s.db.Begin() if err != nil { l.Error("failed to start transaction", "err", err) s.pages.Notice(w, "pull-action-error", "Failed to merge pull request. Try again later.") return } defer tx.Rollback()
err = db.MergePulls(tx, orm.FilterEq("repo_did", string(f.RepoDid)), orm.FilterIn("at_uri", atUris)) if err != nil { l.Error("failed to update pull request status in database", "err", err) s.pages.Notice(w, "pull-action-error", "Failed to merge pull request. Try again later.") return }
err = tx.Commit() if err != nil { // TODO: this is unsound, we should also revert the merge from the knotserver here l.Error("failed to commit merge transaction", "err", err) s.pages.Notice(w, "pull-action-error", "Failed to merge pull request. Try again later.") return }
// notify about the pull merge for _, p := range pullsToMerge { s.notifier.NewPullState(r.Context(), syntax.DID(user.Did), p) }
ownerSlashRepo := reporesolver.GetBaseRepoPath(r, f) s.pages.HxLocation(w, fmt.Sprintf("/%s/pulls/%d", ownerSlashRepo, pull.PullId))}