minio fix

mnemo_cards_backend/lib/api/v2/extensions/game_card_extensions.dart

@@ -4,18 +4,30 @@ import 'package:mnemo_cards_common/mnemo_cards_common.dart';
 /// Extension для конвертации GameCard в GameCardDto для admin API
 extension GameCardAdminExtension on GameCard {
   /// Конвертация GameCard в GameCardDto с учетом packId и конвертации изображений
+  /// 
+  /// DEPRECATED: Use toGameCardDtoWithPresignedUrls instead
+  /// This method is kept for backwards compatibility
+  /// 
+  /// image/imageBack always contains UUID (objectId in MinIO)
+  /// imageUrl/imageBackUrl will contain URLs from convertImageToUrl
   GameCardDto toGameCardDtoWithPack(
     String? packId,
     String? Function(String?, String?, String) convertImageToUrl,
     String? Function(String?, String?, String) convertImageBackToUrl,
   ) {
+    // Generate URLs from UUIDs
+    final imageUrl = convertImageToUrl(image, packId, id);
+    final imageBackUrl = convertImageBackToUrl(imageBack, packId, id);
+
     return GameCardDto(
       id: id,
       original: original,
       translation: translation,
       mnemo: mnemo ?? '',
-      image: convertImageToUrl(image, packId, id),
+      image: image, // Keep UUID in image field
-      imageBack: convertImageBackToUrl(imageBack, packId, id),
+      imageUrl: imageUrl, // Set URL in imageUrl
+      imageBack: imageBack, // Keep UUID in imageBack field
+      imageBackUrl: imageBackUrl, // Set URL in imageBackUrl
       back: back,
       transcription: transcription ?? '',
       transcriptionMnemo: transcriptionMnemo,
@@ -23,19 +35,27 @@ extension GameCardAdminExtension on GameCard {
   }
 
   /// Асинхронная конвертация GameCard в GameCardDto с генерацией presigned URLs
+  /// 
+  /// image/imageBack always contains UUID (objectId in MinIO)
+  /// imageUrl/imageBackUrl will contain presigned URLs
   Future<GameCardDto> toGameCardDtoWithPresignedUrls(
     String? packId,
     Future<String?> Function(String?, String?, String) convertImageToUrl,
     Future<String?> Function(String?, String?, String) convertImageBackToUrl,
   ) async {
+    // Generate presigned URLs
+    final imageUrl = await convertImageToUrl(image, packId, id);
+    final imageBackUrl = await convertImageBackToUrl(imageBack, packId, id);
+
     return GameCardDto(
       id: id,
       original: original,
       translation: translation,
       mnemo: mnemo ?? '',
-      image: await convertImageToUrl(image, packId, id),
+      image: image, // Keep UUID in image field
-      imageBack: await convertImageBackToUrl(imageBack, packId, id),
+      imageUrl: imageUrl, // Set presigned URL in imageUrl
-      back: back,
+      imageBack: imageBack, // Keep UUID in imageBack field
+      imageBackUrl: imageBackUrl, // Set presigned URL in imageBackUrl
       transcription: transcription ?? '',
       transcriptionMnemo: transcriptionMnemo,
     );

mnemo_cards_backend/lib/api/v2/packs_api_v2.dart

@@ -278,8 +278,36 @@ class PacksApiV2 {
 
       final packDto = await _packManager.getPackDto(packId, user);
 
+      // Generate presigned URLs for all cards in the pack
+      // image/imageBack always contains UUID (objectId in MinIO)
+      // imageUrl/imageBackUrl will contain presigned URLs
+      // Presigned URLs now have 7 days expiration to avoid 403 errors on cached data
+      final cardsWithPresignedUrls = await Future.wait(
+        packDto.cards.map((card) async {
+          // Generate presigned URLs for images if they are object IDs (UUIDs)
+          final imageUrl = await _getPresignedUrlIfUuid(
+            card.image,
+            MinioConfig.cardImagesBucket,
+          );
+          final imageBackUrl = await _getPresignedUrlIfUuid(
+            card.imageBack,
+            MinioConfig.cardImagesBucket,
+          );
+
+          // Return card with presigned URLs in imageUrl/imageBackUrl
+          // Keep original UUID in image/imageBack
+          return card.copyWith(
+            imageUrl: imageUrl, // Set presigned URL in imageUrl
+            imageBackUrl: imageBackUrl, // Set presigned URL in imageBackUrl
+          );
+        }),
+      );
+
+      // Create updated pack DTO with cards that have presigned URLs
+      final updatedPackDto = packDto.copyWith(cards: cardsWithPresignedUrls);
+
       // Include purchase status in response if user is authenticated
-      final packJson = packDto.toJson();
+      final packJson = updatedPackDto.toJson();
 
       if (user != null) {
         final isAvailable = await _productAvailabilityManager.isPackAvailable(
@@ -321,7 +349,35 @@ class PacksApiV2 {
 
       // Return pack preview as buy page
       final packDto = await _packManager.getPackDto(packId, user);
-      final packJson = packDto.toJson();
+
+      // Generate presigned URLs for all cards in the pack
+      // image/imageBack always contains UUID (objectId in MinIO)
+      // imageUrl/imageBackUrl will contain presigned URLs
+      // Presigned URLs now have 7 days expiration to avoid 403 errors on cached data
+      final cardsWithPresignedUrls = await Future.wait(
+        packDto.cards.map((card) async {
+          // Generate presigned URLs for images if they are object IDs (UUIDs)
+          final imageUrl = await _getPresignedUrlIfUuid(
+            card.image,
+            MinioConfig.cardImagesBucket,
+          );
+          final imageBackUrl = await _getPresignedUrlIfUuid(
+            card.imageBack,
+            MinioConfig.cardImagesBucket,
+          );
+
+          // Return card with presigned URLs in imageUrl/imageBackUrl
+          // Keep original UUID in image/imageBack
+          return card.copyWith(
+            imageUrl: imageUrl, // Set presigned URL in imageUrl
+            imageBackUrl: imageBackUrl, // Set presigned URL in imageBackUrl
+          );
+        }),
+      );
+
+      // Create updated pack DTO with cards that have presigned URLs
+      final updatedPackDto = packDto.copyWith(cards: cardsWithPresignedUrls);
+      final packJson = updatedPackDto.toJson();
 
       // Include purchase status in response if user is authenticated
       if (user != null) {

mnemo_cards_web_v2/lib/presentation/widgets/expiring_card_image.dart

@@ -11,11 +11,13 @@ import '../../utils/card_image_utils.dart';
 
 /// Widget that handles expired presigned URLs by automatically refreshing them
 /// 
+/// image/imageBack always contains UUID (objectId in MinIO)
+/// imageUrl/imageBackUrl always contains presigned URL
+/// 
 /// When a presigned URL expires (403 error), this widget:
 /// 1. Detects the error
-/// 2. Checks if card.image contains an objectId (UUID)
+/// 2. Uses card.image (UUID) to request a new presigned URL from the API
-/// 3. Requests a new presigned URL from the API
+/// 3. Updates the image URL and retries loading
-/// 4. Updates the image URL and retries loading
 class ExpiringCardImage extends StatefulWidget {
   const ExpiringCardImage({
     super.key,
@@ -81,10 +83,26 @@ class _ExpiringCardImageState extends State<ExpiringCardImage> {
   }
 
   String? _getObjectId() {
-    if (widget.isBackImage) {
+    // image/imageBack always contains UUID (objectId in MinIO)
-      return widget.card.imageBack;
+    // imageUrl/imageBackUrl always contains presigned URL
+    final imageValue = widget.isBackImage 
+        ? widget.card.imageBack 
+        : widget.card.image;
+
+    if (imageValue == null || imageValue.isEmpty) {
+      return null;
     }
-    return widget.card.image;
+
+    // Verify it's a valid UUID
+    if (!_isUuid(imageValue)) {
+      log(
+        'Warning: image field does not contain valid UUID: $imageValue',
+        name: 'ExpiringCardImage',
+      );
+      return null;
+    }
+
+    return imageValue;
   }
 
   bool _isUuid(String? value) {

mnemo_cards_web_v2/lib/utils/card_image_utils.dart

@@ -5,27 +5,19 @@ import '../domain/config/api_config_v2.dart';
 class CardImageUtils {
   /// Get the display URL for a card's image
   ///
-  /// Priority:
+  /// image always contains UUID (objectId in MinIO)
-  /// 1. imageUrl (presigned URL from backend)
+  /// imageUrl always contains presigned URL
-  /// 2. image if it's a full URL (starts with http/https)
-  /// 3. image if it's a filename - convert to API endpoint URL
   ///
+  /// Returns imageUrl if available, otherwise falls back to API endpoint
   /// Returns null if no image is available
   static String? getCardImageUrl(GameCardDto card, String packId) {
-    // First priority: use presigned URL if available
+    // Use presigned URL if available (always preferred)
     if (card.imageUrl != null && card.imageUrl!.isNotEmpty) {
       return card.imageUrl;
     }
 
-    // Second priority: check if image is a full URL
+    // Fallback: use API endpoint if image (UUID) is available
-    final image = card.image;
+    if (card.image != null && card.image!.isNotEmpty) {
-    if (image != null && image.isNotEmpty) {
-      // If it's already a full URL, use it
-      if (image.startsWith('http://') || image.startsWith('https://')) {
-        return image;
-      }
-
-      // If it's a filename, convert to API endpoint URL
       return ApiConfigV2.getCardImageUrl(packId, card.id);
     }
 
@@ -34,27 +26,19 @@ class CardImageUtils {
 
   /// Get the display URL for a card's back image
   ///
-  /// Priority:
+  /// imageBack always contains UUID (objectId in MinIO)
-  /// 1. imageBackUrl (presigned URL from backend)
+  /// imageBackUrl always contains presigned URL
-  /// 2. imageBack if it's a full URL (starts with http/https)
-  /// 3. imageBack if it's a filename - convert to API endpoint URL
   ///
+  /// Returns imageBackUrl if available, otherwise falls back to API endpoint
   /// Returns null if no back image is available
   static String? getCardImageBackUrl(GameCardDto card, String packId) {
-    // First priority: use presigned URL if available
+    // Use presigned URL if available (always preferred)
     if (card.imageBackUrl != null && card.imageBackUrl!.isNotEmpty) {
       return card.imageBackUrl;
     }
 
-    // Second priority: check if imageBack is a full URL
+    // Fallback: use API endpoint if imageBack (UUID) is available
-    final imageBack = card.imageBack;
+    if (card.imageBack != null && card.imageBack!.isNotEmpty) {
-    if (imageBack != null && imageBack.isNotEmpty) {
-      // If it's already a full URL, use it
-      if (imageBack.startsWith('http://') || imageBack.startsWith('https://')) {
-        return imageBack;
-      }
-
-      // If it's a filename, convert to API endpoint URL
       return ApiConfigV2.getCardImageBackUrl(packId, card.id);
     }