feat(SPA): screen to manage API keys (PART 2/3)

internal/infrastructure/useCases/ListAPIKeys.go

@@ -3,7 +3,9 @@ package useCases
 import (
 	"RenewCMS/internal/domain/apikey"
 	"RenewCMS/internal/domain/user"
+	"errors"
 	"sort"
+	"strings"
 	"time"
 )
 
@@ -14,8 +16,10 @@ type ListAPIKeysUseCase struct {
 }
 
 type APIKeyEntry struct {
-	Key    apikey.APIKey
-	Status apikey.Status
+	Key          apikey.APIKey
+	Status       apikey.Status
+	CreatorName  string
+	ListsCreator bool
 }
 
 func NewListAPIKeysUseCase(apiKeyRepository apikey.Repository, userRepository user.Repository, now func() time.Time) *ListAPIKeysUseCase {
@@ -40,14 +44,49 @@ func (l *ListAPIKeysUseCase) ListAPIKeys(requesterId uint32) ([]APIKeyEntry, err
 		return keys[i].CreatedAt.After(keys[j].CreatedAt)
 	})
 
+	creatorNames, err := l.creatorNamesFor(requester, keys)
+	if err != nil {
+		return nil, err
+	}
+
 	now := l.now()
 	entries := make([]APIKeyEntry, 0, len(keys))
 	for _, key := range keys {
-		entries = append(entries, APIKeyEntry{Key: key, Status: key.StatusAt(now)})
+		entries = append(entries, APIKeyEntry{Key: key, Status: key.StatusAt(now), CreatorName: creatorNames[key.UserID], ListsCreator: requester.Role == user.RoleOwner})
 	}
 	return entries, nil
 }
 
+func (l *ListAPIKeysUseCase) creatorNamesFor(requester user.User, keys []apikey.APIKey) (map[uint32]string, error) {
+	names := map[uint32]string{}
+	if requester.Role != user.RoleOwner {
+		return names, nil
+	}
+	names[requester.ID] = displayNameOrUsername(requester)
+	for _, key := range keys {
+		if _, resolved := names[key.UserID]; resolved {
+			continue
+		}
+		creator, err := l.userRepository.Get(key.UserID)
+		if errors.Is(err, user.ErrUserNotFound) {
+			names[key.UserID] = ""
+			continue
+		}
+		if err != nil {
+			return nil, err
+		}
+		names[key.UserID] = displayNameOrUsername(creator)
+	}
+	return names, nil
+}
+
+func displayNameOrUsername(account user.User) string {
+	if trimmed := strings.TrimSpace(account.DisplayName); trimmed != "" {
+		return trimmed
+	}
+	return account.Username
+}
+
 func (l *ListAPIKeysUseCase) keysVisibleTo(requester user.User) ([]apikey.APIKey, error) {
 	if requester.Role == user.RoleOwner {
 		return l.apiKeyRepository.ListAll()