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Monorepo for Tangled forked from tangled.org/core
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import ( "context" "fmt" "net/http" "strconv"
"tangled.org/core/api/tangled" "tangled.org/core/appview/db" "tangled.org/core/appview/models" "tangled.org/core/appview/pages" "tangled.org/core/orm" "tangled.org/core/patchutil" "tangled.org/core/types" "tangled.org/core/xrpc/xrpcclient"
"github.com/bluesky-social/indigo/atproto/syntax" indigoxrpc "github.com/bluesky-social/indigo/xrpc" "github.com/go-chi/chi/v5" "tangled.org/core/hostutil")
// htmx fragmentfunc (s *Pulls) PullActions(w http.ResponseWriter, r *http.Request) { l := s.logger.With("handler", "PullActions")
switch r.Method { case http.MethodGet: user := s.oauth.GetMultiAccountUser(r) if user != nil { l = l.With("user", user.Did) }
f, err := s.repoResolver.Resolve(r) if err != nil { l.Error("failed to get repo and knot", "err", err) return }
pull, ok := r.Context().Value("pull").(*models.Pull) if !ok { l.Error("failed to get pull") s.pages.Notice(w, "pull-error", "Failed to edit patch. Try again later.") return } l = l.With("pull_id", pull.PullId, "pull_owner", pull.OwnerDid)
// can be nil if this pull is not stacked stack, _ := r.Context().Value("stack").(models.Stack)
roundNumberStr := chi.URLParam(r, "round") roundNumber, err := strconv.Atoi(roundNumberStr) if err != nil { roundNumber = pull.LastRoundNumber() } if roundNumber >= len(pull.Submissions) { http.Error(w, "bad round id", http.StatusBadRequest) l.Error("failed to parse round id", "err", err, "round_number", roundNumber) return }
// only the last round's buttons and banners use merge/resubmit checks isLastRound := roundNumber == pull.LastRoundNumber() branchDeleteStatus := s.branchDeleteStatus(r, f, pull)
var workflowsChanged bool var changedWorkflows []string hasPipeline := false if isLastRound && f.Spindle != "" { pipelines, err := s.fetchPipelines(r.Context(), f.Spindle, f.RepoDid, []string{pull.LatestSha()}) if err != nil { l.Error("failed to fetch latest pipeline", "err", err) } else if pipelines != nil { _, hasPipeline = pipelines[pull.LatestSha()] }
if pull.IsForkBased() && !hasPipeline { changedWorkflows, err = changedWorkflowFiles(pull.LatestSubmission().CombinedPatch()) if err != nil { l.Error("failed to inspect latest round's patch for workflow changes", "err", err) } workflowsChanged = len(changedWorkflows) > 0 } }
mergeCheckResponse := types.MergeCheckResponse{} resubmitResult := pages.Unknown if isLastRound { mergeCheckResponse = s.mergeCheck(r, f, pull, stack) if user != nil && user.Did == pull.OwnerDid { resubmitResult = s.resubmitCheck(r, f, pull, stack) } }
s.pages.PullActionsFragment(w, pages.PullActionsParams{ BaseParams: pages.BaseParamsFromContext(r.Context()), RepoInfo: s.repoResolver.GetRepoInfo(r, user), Pull: pull, RoundNumber: roundNumber, MergeCheck: mergeCheckResponse, ResubmitCheck: resubmitResult, BranchDeleteStatus: branchDeleteStatus, Stack: stack, WorkflowsChanged: workflowsChanged, ChangedWorkflowFiles: changedWorkflows, HasPipeline: hasPipeline, }) return }}
func (s *Pulls) repoPullHelper(w http.ResponseWriter, r *http.Request, interdiff bool) { l := s.logger.With("handler", "repoPullHelper", "interdiff", interdiff)
user := s.oauth.GetMultiAccountUser(r) if user != nil { l = l.With("user", user.Did) }
f, err := s.repoResolver.Resolve(r) if err != nil { l.Error("failed to get repo and knot", "err", err) return }
pull, ok := r.Context().Value("pull").(*models.Pull) if !ok { l.Error("failed to get pull") s.pages.Notice(w, "pull-error", "Failed to edit patch. Try again later.") return } l = l.With("pull_id", pull.PullId, "pull_owner", pull.OwnerDid)
if user != nil { userDid := user.Did repoDid := f.RepoDid pullId := pull.PullId atUri := pull.AtUri().String() focusing := pages.BaseParamsFromContext(r.Context()).FocusParams.Focusing go func() { if !focusing { if err := db.MarkNotificationsReadForPull(s.db, userDid, repoDid, pullId); err != nil { l.Error("failed to mark pull notifications as read", "err", err) } } if err := db.UpsertRecentLink(s.db, userDid, models.RecentLinkTypePull, atUri); err != nil { l.Error("failed to upsert recent link", "err", err) } }() }
backlinks, err := db.GetBacklinks(s.db, pull.AtUri()) if err != nil { l.Error("failed to get pull backlinks", "err", err) s.pages.Notice(w, "pull-error", "Failed to get pull. Try again later.") return }
roundId := chi.URLParam(r, "round") roundIdInt := pull.LastRoundNumber() if r, err := strconv.Atoi(roundId); err == nil { roundIdInt = r } if roundIdInt < 0 || roundIdInt >= len(pull.Submissions) { http.Error(w, "bad round id", http.StatusBadRequest) l.Error("failed to parse round id", "err", err, "round_number", roundIdInt) return }
var diffOpts types.DiffOpts if d := r.URL.Query().Get("diff"); d == "split" { diffOpts.Split = true }
// can be nil if this pull is not stacked stack, _ := r.Context().Value("stack").(models.Stack)
var shas []string for _, s := range pull.Submissions { shas = append(shas, s.SourceRev) } for _, p := range stack { shas = append(shas, p.LatestSha()) }
pipelines, err := s.fetchPipelines(r.Context(), f.Spindle, f.RepoDid, shas) if err != nil { l.Error("failed to fetch pipelines", "err", err) } if pipelines == nil { pipelines = make(map[string]types.Pipeline) }
entities := []syntax.ATURI{pull.AtUri()} for _, s := range pull.Submissions { for _, c := range s.Comments { entities = append(entities, c.FeedCommentAtUri()) } } reactions, err := db.ListReactionDisplayDataMap(s.db, entities, 20) if err != nil { l.Error("failed to get pull reactions", "err", err) }
var userReactions map[syntax.ATURI]map[models.ReactionKind]bool if user != nil { userReactions, err = db.ListReactionStatusMap(s.db, entities, syntax.DID(user.Did)) if err != nil { s.logger.Error("failed to get user reactions", "err", err) } }
labelDefs, err := db.GetLabelDefinitions( s.db, orm.FilterIn("at_uri", f.Labels), orm.FilterContains("scope", tangled.RepoPullNSID), ) if err != nil { l.Error("failed to fetch labels", "err", err) s.pages.Error503(w) return }
defs := make(map[string]*models.LabelDefinition) for _, l := range labelDefs { defs[l.AtUri().String()] = &l }
vouchRelationships := make(map[syntax.DID]*models.VouchRelationship) vouchSkips := make(map[syntax.DID]bool) if user != nil { participants := pull.Participants() vouchRelationships, err = db.GetVouchRelationshipsBatch(s.db, syntax.DID(user.Did), participants) if err != nil { l.Error("failed to fetch vouch relationships", "err", err) } ownerDid := syntax.DID(pull.OwnerDid) skipped, err := db.IsVouchSkipped(s.db, user.Did, pull.OwnerDid) if err != nil { l.Error("failed to check vouch skip", "err", err) } vouchSkips[ownerDid] = skipped }
var diff types.DiffRenderer if interdiff { currentPatch, err := patchutil.AsDiff(pull.Submissions[roundIdInt].CombinedPatch()) if err != nil { l.Error("failed to interdiff; current patch malformed", "err", err, "round_number", roundIdInt) s.pages.Notice(w, fmt.Sprintf("interdiff-error-%d", roundIdInt), "Failed to calculate interdiff; current patch is invalid.") return }
previousPatch, err := patchutil.AsDiff(pull.Submissions[roundIdInt-1].CombinedPatch()) if err != nil { l.Error("failed to interdiff; previous patch malformed", "err", err, "round_number", roundIdInt) s.pages.Notice(w, fmt.Sprintf("interdiff-error-%d", roundIdInt), "Failed to calculate interdiff; previous patch is invalid.") return }
diff = patchutil.Interdiff(previousPatch, currentPatch) } else { diff = s.combinedDiff(pull, roundIdInt) }
var isSubscribed *bool if user != nil { pullDbId := int64(pull.ID) sub, found, err2 := db.GetPullSubscription(s.db, user.Did, pullDbId) if err2 == nil { if found { isSubscribed = &sub } else { // Implicitly subscribed if author or participant. isAuthorOrParticipant := pull.OwnerDid == user.Did if !isAuthorOrParticipant { for _, p := range pull.Participants() { if p.String() == user.Did { isAuthorOrParticipant = true break } } } if isAuthorOrParticipant { t := true isSubscribed = &t } } } }
err = s.pages.RepoSinglePull(w, pages.RepoSinglePullParams{ BaseParams: pages.BaseParamsFromContext(r.Context()), RepoInfo: s.repoResolver.GetRepoInfo(r, user), Pull: pull, Stack: stack, Backlinks: backlinks, BranchDeleteStatus: nil, MergeCheck: types.MergeCheckResponse{}, ResubmitCheck: pages.Unknown, Pipelines: pipelines, Diff: diff, DiffOpts: diffOpts, ActiveRound: roundIdInt, IsInterdiff: interdiff,
Reactions: reactions, UserReacted: userReactions,
LabelDefs: defs, VouchRelationships: vouchRelationships, VouchSkips: vouchSkips, IsSubscribed: isSubscribed, }) if err != nil { l.Error("failed to render page", "err", err) }}
// SubscribePull handles subscribe/unsubscribe for a specific pull request.func (s *Pulls) SubscribePull(w http.ResponseWriter, r *http.Request) { l := s.logger.With("handler", "SubscribePull") user := s.oauth.GetMultiAccountUser(r) if user == nil { w.WriteHeader(http.StatusUnauthorized) return }
pull, ok := r.Context().Value("pull").(*models.Pull) if !ok { l.Error("failed to get pull from context") w.WriteHeader(http.StatusNotFound) return }
subscribe := r.FormValue("subscribe") != "false" pullDbId := int64(pull.ID)
if err := db.UpsertPullSubscription(s.db, user.Did, pullDbId, subscribe); err != nil { l.Error("failed to update pull subscription", "err", err) w.WriteHeader(http.StatusInternalServerError) return }
repoInfo := s.repoResolver.GetRepoInfo(r, user) s.pages.PullSubscribeFragment(w, pages.PullSubscribeParams{ RepoInfo: repoInfo, PullId: pull.PullId, IsSubscribed: &subscribe, })}
func (s *Pulls) combinedDiff(pull *models.Pull, round int) types.DiffRenderer { submission := pull.Submissions[round] key := fmt.Sprintf("%s|%d|%s", pull.AtUri(), round, submission.SourceRev) if cached, ok := s.diffCache.Get(key); ok { return cached }
diff := patchutil.AsNiceDiff(submission.CombinedPatch(), pull.TargetBranch) s.diffCache.Add(key, diff) return diff}
func (s *Pulls) fetchPipelines(ctx context.Context, spindle string, repoDid string, shas []string) (map[string]types.Pipeline, error) { if spindle == "" { return nil, nil } spindleUrl, err := hostutil.EnsureHttpScheme(spindle) if err != nil { return nil, err } xrpcc := &indigoxrpc.Client{Host: spindleUrl} out, err := tangled.CiQueryPipelines(ctx, xrpcc, shas, "", nil, 0, repoDid) if err != nil { return nil, err } return types.PipelinesByCommit(out.Pipelines), nil}
func (s *Pulls) RepoSinglePull(w http.ResponseWriter, r *http.Request) { l := s.logger.With("handler", "RepoSinglePull")
pull, ok := r.Context().Value("pull").(*models.Pull) if !ok { l.Error("failed to get pull") s.pages.Notice(w, "pull-error", "Failed to edit patch. Try again later.") return }
http.Redirect(w, r, r.URL.String()+fmt.Sprintf("/round/%d", pull.LastRoundNumber()), http.StatusFound)}
func (s *Pulls) mergeCheck(r *http.Request, f *models.Repo, pull *models.Pull, stack models.Stack) types.MergeCheckResponse { if pull.State == models.PullMerged { return types.MergeCheckResponse{} }
xrpcc := s.knotClient(f.Knot)
// combine patches of substack subStack := stack.Below(pull) // collect the portion of the stack that is mergeable mergeable := subStack.Mergeable() // combine each patch patch := mergeable.CombinedPatch()
resp, err := tangled.RepoMergeCheck( r.Context(), xrpcc, &tangled.RepoMergeCheck_Input{ Did: f.Did, Name: f.Name, Repo: f.RepoDidPtr(), Branch: pull.TargetBranch, Patch: patch, }, ) if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil { s.logger.Error("failed to check for mergeability", "xrpcerr", xrpcerr, "err", err, "pull_id", pull.PullId, "target_branch", pull.TargetBranch) return types.MergeCheckResponse{ Error: fmt.Sprintf("failed to check merge status: %s", xrpcerr.Error()), } }
return mergeCheckResponseFrom(resp)}
func mergeCheckResponseFrom(resp *tangled.RepoMergeCheck_Output) types.MergeCheckResponse { conflicts := make([]types.ConflictInfo, len(resp.Conflicts)) for i, c := range resp.Conflicts { conflicts[i] = types.ConflictInfo{Filename: c.Filename, Reason: c.Reason} } out := types.MergeCheckResponse{ IsConflicted: resp.Is_conflicted, Conflicts: conflicts, } if resp.Message != nil { out.Message = *resp.Message } if resp.Error != nil { out.Error = *resp.Error } return out}
func (s *Pulls) branchDeleteStatus(r *http.Request, repo *models.Repo, pull *models.Pull) *models.BranchDeleteStatus { if pull.State != models.PullMerged { return nil }
user := s.oauth.GetMultiAccountUser(r) if user == nil { return nil }
var branch string // check if the branch exists // NOTE: appview could cache branches/tags etc. for every repo by listening for gitRefUpdates if pull.IsBranchBased() { branch = pull.PullSource.Branch } else if pull.IsForkBased() { branch = pull.PullSource.Branch repo = pull.PullSource.Repo } else { return nil }
// deleted fork if repo == nil { return nil }
// user can only delete branch if they are a collaborator in the repo that the branch belongs to if !s.acl.HasRepoPermission(r.Context(), repo, user.Did, "repo:push") { return nil }
xrpcc := &indigoxrpc.Client{Host: s.config.KnotMirror.Url} resp, err := tangled.GitTempGetBranch(r.Context(), xrpcc, branch, repo.RepoDid) if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil { s.logger.Error("failed to get branch", "xrpcerr", xrpcerr, "err", err) return nil }
return &models.BranchDeleteStatus{ Repo: repo, Branch: resp.Name, }}
func (s *Pulls) resubmitCheck(r *http.Request, repo *models.Repo, pull *models.Pull, stack models.Stack) pages.ResubmitResult { if pull.State == models.PullMerged || pull.State == models.PullAbandoned || pull.PullSource == nil { return pages.Unknown }
var sourceRepoDid string if pull.PullSource.RepoDid != nil { sourceRepoDid = string(*pull.PullSource.RepoDid) } else { sourceRepoDid = repo.RepoDid }
xrpcc := &indigoxrpc.Client{Host: s.config.KnotMirror.Url} branchResp, err := tangled.GitTempGetBranch(r.Context(), xrpcc, pull.PullSource.Branch, sourceRepoDid) if err != nil { if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil { s.logger.Error("failed to call XRPC repo.branches", "xrpcerr", xrpcerr, "err", err, "pull_id", pull.PullId, "branch", pull.PullSource.Branch) return pages.Unknown } s.logger.Error("failed to reach knotserver", "err", err, "pull_id", pull.PullId) return pages.Unknown }
targetBranch := branchResp
top := stack[0] latestSourceRev := top.LatestSha()
if latestSourceRev != targetBranch.Hash { return pages.ShouldResubmit }
return pages.ShouldNotResubmit}
func (s *Pulls) RepoPullPatch(w http.ResponseWriter, r *http.Request) { s.repoPullHelper(w, r, false)}
func (s *Pulls) RepoPullInterdiff(w http.ResponseWriter, r *http.Request) { s.repoPullHelper(w, r, true)}
func (s *Pulls) RepoPullPatchRaw(w http.ResponseWriter, r *http.Request) { l := s.logger.With("handler", "RepoPullPatchRaw")
pull, ok := r.Context().Value("pull").(*models.Pull) if !ok { l.Error("failed to get pull") s.pages.Notice(w, "pull-error", "Failed to edit patch. Try again later.") return } l = l.With("pull_id", pull.PullId)
roundId := chi.URLParam(r, "round") roundIdInt, err := strconv.Atoi(roundId) if err != nil || roundIdInt >= len(pull.Submissions) { http.Error(w, "bad round id", http.StatusBadRequest) l.Error("failed to parse round id", "err", err, "round_id_str", roundId) return }
w.Header().Set("Content-Type", "text/plain; charset=utf-8") w.Write([]byte(pull.Submissions[roundIdInt].Patch))}