feat(ECR-029): ContentSafety BlockPolicy 只读并 Closed

BlockPolicy catalog (000030) · Loop continuous.

apps/api/internal/service/admin/block_policy.go

@@ -0,0 +1,34 @@
+package admin
+
+import (
+	"context"
+	"errors"
+
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5"
+
+	"github.com/yuxingu/digital-psychology/apps/api/internal/repository"
+)
+
+var ErrBlockPolicyNotFound = errString("block policy not found")
+
+// ListBlockPolicies returns catalog.
+func (s *Service) ListBlockPolicies(ctx context.Context) ([]repository.BlockPolicyRow, error) {
+	items, err := s.Repo.ListBlockPolicies(ctx)
+	if err != nil {
+		return nil, err
+	}
+	if items == nil {
+		items = []repository.BlockPolicyRow{}
+	}
+	return items, nil
+}
+
+// GetBlockPolicy loads one.
+func (s *Service) GetBlockPolicy(ctx context.Context, id uuid.UUID) (*repository.BlockPolicyRow, error) {
+	row, err := s.Repo.GetBlockPolicy(ctx, id)
+	if errors.Is(err, pgx.ErrNoRows) {
+		return nil, ErrBlockPolicyNotFound
+	}
+	return row, err
+}