feat: add participant CRUD and per-account submission listing
Participant (the Verantwortungsmatrix — who briefed, who approved) is not append-only like finding/extraction/evidence_package; getting a role wrong and correcting it isn't rewriting evidence, so full CRUD is legitimate here: Create/List/Get/Update/Delete. UpdateParticipant sets approved_at the first time freigegeben flips to true and never moves it again on subsequent no-op updates — it marks when approval first happened, not "last touched". ListSubmissionsForAccount is the query the upcoming archive overview needs: every submission for a tenant plus a findings count and highest severity, computed with the same anti-join ListCurrentFindings already uses for "currently valid" findings. Also fixed a real bug this surfaced: CreateFinding let a nil Sources slice reach a NOT NULL TEXT[] column, which Postgres rejects with an unhelpful constraint error instead of a clear message. It now normalizes nil to an empty slice before inserting — matters for any future rule that ships without a fundstelle entry. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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121
internal/store/participant.go
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121
internal/store/participant.go
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package store
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import (
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"context"
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"errors"
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"fmt"
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"time"
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"github.com/jackc/pgx/v5"
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)
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// Participant ist ein Beteiligter an einer Submission (Verantwortungs-
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// matrix). Anders als finding/extraction/evidence_package ist participant
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// NICHT append-only — wer vorgegeben/freigegeben hat, kann sich klären
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// oder korrigieren, ohne dass das ein Beweis-Eintrag ist.
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type Participant struct {
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ID string
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SubmissionID string
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Role string
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Name string
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Vorgegeben bool
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Freigegeben bool
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ApprovedAt *time.Time
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CreatedAt time.Time
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}
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// CreateParticipant fügt einen Beteiligten zu einer Submission hinzu.
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func (s *Store) CreateParticipant(ctx context.Context, submissionID, role, name string, vorgegeben, freigegeben bool) (Participant, error) {
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var p Participant
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err := s.Pool.QueryRow(ctx, `
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INSERT INTO participant (submission_id, role, name, vorgegeben, freigegeben, approved_at)
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VALUES ($1, $2, $3, $4, $5, CASE WHEN $5 THEN now() ELSE NULL END)
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RETURNING id, submission_id, role, name, vorgegeben, freigegeben, approved_at, created_at
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`, submissionID, role, name, vorgegeben, freigegeben).Scan(
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&p.ID, &p.SubmissionID, &p.Role, &p.Name, &p.Vorgegeben, &p.Freigegeben, &p.ApprovedAt, &p.CreatedAt,
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)
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if err != nil {
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return Participant{}, fmt.Errorf("store: create participant: %w", err)
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}
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return p, nil
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}
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// ListParticipants liefert alle Beteiligten einer Submission.
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func (s *Store) ListParticipants(ctx context.Context, submissionID string) ([]Participant, error) {
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rows, err := s.Pool.Query(ctx, `
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SELECT id, submission_id, role, name, vorgegeben, freigegeben, approved_at, created_at
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FROM participant WHERE submission_id = $1 ORDER BY created_at
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`, submissionID)
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if err != nil {
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return nil, fmt.Errorf("store: list participants: %w", err)
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}
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defer rows.Close()
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var participants []Participant
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for rows.Next() {
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var p Participant
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if err := rows.Scan(&p.ID, &p.SubmissionID, &p.Role, &p.Name, &p.Vorgegeben, &p.Freigegeben, &p.ApprovedAt, &p.CreatedAt); err != nil {
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return nil, fmt.Errorf("store: scan participant: %w", err)
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}
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participants = append(participants, p)
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}
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if err := rows.Err(); err != nil {
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return nil, fmt.Errorf("store: list participants: %w", err)
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}
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return participants, nil
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}
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// GetParticipant liest einen Beteiligten anhand seiner ID — u. a. um vor
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// einem Update/Delete zu prüfen, zu welcher Submission (und damit zu
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// welchem Account) er gehört.
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func (s *Store) GetParticipant(ctx context.Context, id string) (Participant, error) {
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var p Participant
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err := s.Pool.QueryRow(ctx, `
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SELECT id, submission_id, role, name, vorgegeben, freigegeben, approved_at, created_at
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FROM participant WHERE id = $1
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`, id).Scan(&p.ID, &p.SubmissionID, &p.Role, &p.Name, &p.Vorgegeben, &p.Freigegeben, &p.ApprovedAt, &p.CreatedAt)
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if errors.Is(err, pgx.ErrNoRows) {
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return Participant{}, ErrNotFound
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}
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if err != nil {
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return Participant{}, fmt.Errorf("store: get participant: %w", err)
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}
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return p, nil
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}
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// UpdateParticipant setzt vorgegeben/freigegeben. approved_at wird beim
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// ersten Wechsel zu freigegeben=true gesetzt und danach nicht mehr
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// verändert (er hält fest, wann zuerst freigegeben wurde).
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func (s *Store) UpdateParticipant(ctx context.Context, id string, vorgegeben, freigegeben bool) (Participant, error) {
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var p Participant
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err := s.Pool.QueryRow(ctx, `
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UPDATE participant
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SET vorgegeben = $2,
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freigegeben = $3,
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approved_at = CASE WHEN $3 AND approved_at IS NULL THEN now() ELSE approved_at END
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WHERE id = $1
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RETURNING id, submission_id, role, name, vorgegeben, freigegeben, approved_at, created_at
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`, id, vorgegeben, freigegeben).Scan(
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&p.ID, &p.SubmissionID, &p.Role, &p.Name, &p.Vorgegeben, &p.Freigegeben, &p.ApprovedAt, &p.CreatedAt,
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)
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if errors.Is(err, pgx.ErrNoRows) {
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return Participant{}, ErrNotFound
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}
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if err != nil {
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return Participant{}, fmt.Errorf("store: update participant: %w", err)
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}
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return p, nil
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}
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// DeleteParticipant entfernt einen Beteiligten (z. B. versehentlich
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// falsch angelegt).
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func (s *Store) DeleteParticipant(ctx context.Context, id string) error {
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tag, err := s.Pool.Exec(ctx, `DELETE FROM participant WHERE id = $1`, id)
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if err != nil {
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return fmt.Errorf("store: delete participant: %w", err)
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}
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if tag.RowsAffected() == 0 {
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return ErrNotFound
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}
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return nil
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}
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