WeKnora deployment source with the reviewed wiki identity, summary and recovery fixes

internal/application/service/user_resource_favorite.go

@@ -0,0 +1,64 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"strings"
+
+	"github.com/Tencent/WeKnora/internal/types"
+	"github.com/Tencent/WeKnora/internal/types/interfaces"
+)
+
+// Sentinel errors so the handler can map cleanly to HTTP status codes
+// without leaking GORM internals.
+var (
+	ErrFavoriteInvalidType = errors.New("invalid favorite resource type")
+	ErrFavoriteEmptyID     = errors.New("favorite resource id is required")
+)
+
+type userResourceFavoriteService struct {
+	repo interfaces.UserResourceFavoriteRepository
+}
+
+// NewUserResourceFavoriteService wraps the repository with input
+// validation (allowlist of resource types, non-empty resource id).
+// We keep service thin on purpose — favoriting is a non-business action
+// that doesn't need audit logging or cross-aggregate side effects.
+func NewUserResourceFavoriteService(repo interfaces.UserResourceFavoriteRepository) interfaces.UserResourceFavoriteService {
+	return &userResourceFavoriteService{repo: repo}
+}
+
+func (s *userResourceFavoriteService) List(
+	ctx context.Context, userID string, tenantID uint64, resourceType string,
+) ([]*types.UserResourceFavorite, error) {
+	if !types.IsValidFavoriteResourceType(resourceType) {
+		return nil, ErrFavoriteInvalidType
+	}
+	return s.repo.List(ctx, userID, tenantID, resourceType)
+}
+
+func (s *userResourceFavoriteService) Add(
+	ctx context.Context, userID string, tenantID uint64, resourceType, resourceID string,
+) error {
+	if !types.IsValidFavoriteResourceType(resourceType) {
+		return ErrFavoriteInvalidType
+	}
+	if strings.TrimSpace(resourceID) == "" {
+		return ErrFavoriteEmptyID
+	}
+	_, err := s.repo.Add(ctx, userID, tenantID, resourceType, resourceID)
+	return err
+}
+
+func (s *userResourceFavoriteService) Remove(
+	ctx context.Context, userID string, tenantID uint64, resourceType, resourceID string,
+) error {
+	if !types.IsValidFavoriteResourceType(resourceType) {
+		return ErrFavoriteInvalidType
+	}
+	if strings.TrimSpace(resourceID) == "" {
+		return ErrFavoriteEmptyID
+	}
+	_, err := s.repo.Remove(ctx, userID, tenantID, resourceType, resourceID)
+	return err
+}