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import ( "context" "iter" "net/url" "slices" "time"
"tangled.org/core/api/tangled" "tangled.org/core/appview/db" "tangled.org/core/appview/models" "tangled.org/core/orm" "tangled.org/core/tid"
comatproto "github.com/bluesky-social/indigo/api/atproto" "github.com/bluesky-social/indigo/atproto/atclient" "github.com/bluesky-social/indigo/atproto/syntax" lexutil "github.com/bluesky-social/indigo/lex/util")
func (s *Pulls) pullLabelDefs(repo *models.Repo) (map[string]*models.LabelDefinition, error) { defs, err := db.GetLabelDefinitions( s.db, orm.FilterIn("at_uri", repo.Labels), orm.FilterContains("scope", tangled.RepoPullNSID), ) if err != nil { return nil, err }
out := make(map[string]*models.LabelDefinition, len(defs)) for i := range defs { d := defs[i] if !slices.Contains(d.Scope, tangled.RepoPullNSID) { continue } out[d.AtUri().String()] = &d } return out, nil}
func formLabelEntries(form url.Values, defs map[string]*models.LabelDefinition) iter.Seq2[string, string] { return func(yield func(string, string) bool) { for key := range defs { for _, v := range form[key] { if v == "" { continue } if !yield(key, v) { return } } } }}
func labelStateFromForm(form url.Values, defs map[string]*models.LabelDefinition) models.LabelState { state := models.NewLabelState() actx := &models.LabelApplicationCtx{Defs: defs} for key, val := range formLabelEntries(form, defs) { _ = actx.ApplyLabelOp(state, models.LabelOp{ Operation: models.LabelOperationAdd, OperandKey: key, OperandValue: val, }) } return state}
func buildCreationLabelOps( userDid syntax.DID, subject syntax.ATURI, rkey string, form url.Values, defs map[string]*models.LabelDefinition, performedAt time.Time,) []models.LabelOp { var ops []models.LabelOp for key, val := range formLabelEntries(form, defs) { ops = append(ops, models.LabelOp{ Did: userDid.String(), Rkey: rkey, Subject: subject, Operation: models.LabelOperationAdd, OperandKey: key, OperandValue: val, PerformedAt: performedAt, }) } return ops}
func (s *Pulls) applyCreationLabels( ctx context.Context, client *atclient.APIClient, userDid syntax.DID, pulls []*models.Pull, form url.Values, repo *models.Repo,) { l := s.logger.With("handler", "applyCreationLabels", "user", userDid)
defs, err := s.pullLabelDefs(repo) if err != nil { l.Warn("failed to fetch label defs", "err", err) return } if len(defs) == 0 { return }
perCidForms := parseStackLabelForms(form)
applyAll := form.Get("applyLabelsToAll") == "on" var firstStackForm url.Values if applyAll && len(pulls) > 0 && len(pulls[0].Submissions) > 0 { if firstCid := pulls[0].Submissions[0].ChangeId(); firstCid != "" { if f, ok := perCidForms[firstCid]; ok { firstStackForm = f } } }
performedAt := time.Now() for _, pull := range pulls { labelForm := form if firstStackForm != nil { labelForm = firstStackForm } else if len(perCidForms) > 0 && len(pull.Submissions) > 0 { if cid := pull.Submissions[0].ChangeId(); cid != "" { if perForm, ok := perCidForms[cid]; ok { labelForm = perForm } } } rkey := tid.TID() raw := buildCreationLabelOps(userDid, pull.AtUri(), rkey, labelForm, defs, performedAt)
valid := make([]models.LabelOp, 0, len(raw)) for _, op := range raw { def := defs[op.OperandKey]
// validate permissions: only collaborators can apply labels currently // // TODO: introduce a repo:triage permission ok, err := s.acl.HasRepoPermissionErr(ctx, repo, op.Did, "repo:push") if err != nil { l.Warn("invalid label op", "err", err, "subject", op.Subject, "key", op.OperandKey) continue } if !ok { l.Warn("forbidden label op", "subject", op.Subject, "key", op.OperandKey) continue }
// resolve Handle to DID if def.ValueType.IsString() && def.ValueType.IsDidFormat() { val := syntax.AtIdentifier(op.OperandValue) if val.IsHandle() { ident, err := s.idResolver.Directory().Lookup(ctx, val) if err != nil { l.Warn("failed to resolve handle", "err", err, "subject", op.Subject, "key", op.OperandKey) } op.OperandValue = ident.DID.String() } }
if err := def.ValidateOperandValue(&op); err != nil { l.Warn("invalid label op", "err", err, "subject", op.Subject, "key", op.OperandKey) continue } valid = append(valid, op) } if len(valid) == 0 { continue }
record := models.LabelOpsAsRecord(valid) if _, err := comatproto.RepoPutRecord(ctx, client, &comatproto.RepoPutRecord_Input{ Collection: tangled.LabelOpNSID, Repo: userDid.String(), Rkey: rkey, Record: &lexutil.LexiconTypeDecoder{Val: &record}, }); err != nil { l.Warn("failed to write label ops to PDS", "err", err, "subject", pull.AtUri()) continue }
if err := s.indexLabelOps(ctx, valid); err != nil { l.Warn("failed to index label ops", "err", err, "subject", pull.AtUri()) if _, err := comatproto.RepoDeleteRecord(context.Background(), client, &comatproto.RepoDeleteRecord_Input{ Collection: tangled.LabelOpNSID, Repo: userDid.String(), Rkey: rkey, }); err != nil { l.Warn("failed to rollback label ops record from PDS", "err", err, "subject", pull.AtUri()) } continue }
s.notifier.NewPullLabelOp(ctx, userDid, pull, valid) }}
func (s *Pulls) indexLabelOps(ctx context.Context, ops []models.LabelOp) error { tx, err := s.db.BeginTx(ctx, nil) if err != nil { return err } defer tx.Rollback() for _, op := range ops { if _, err := db.AddLabelOp(tx, &op); err != nil { return err } } return tx.Commit()}