Optimized download photos

iOSClient/Favorites/CCFavorites.m

@@ -649,7 +649,7 @@
     tableMetadata *metadataFolder = [[NCManageDatabase sharedInstance] getMetadataWithPredicate:[NSPredicate predicateWithFormat:@"fileID == %@", directory.fileID]];
     
     // Download thumbnail
-    if (metadata.thumbnailExists && ![[NSFileManager defaultManager] fileExistsAtPath:[CCUtility getDirectoryProviderStorageIconFileID:metadata.fileID fileNameView:metadata.fileNameView]]) {
+    if (metadata.thumbnailExists && !metadataFolder.e2eEncrypted && ![CCUtility fileProviderStorageIconExists:metadata.fileID fileNameView:metadata.fileNameView]) {
         [self downloadThumbnail:metadata serverUrl:serverUrl indexPath:indexPath];
     }
     

iOSClient/Main/CCMain.m

@@ -4211,7 +4211,7 @@
     }
     
     // Download thumbnail
-    if (metadata.thumbnailExists && ![[NSFileManager defaultManager] fileExistsAtPath:[CCUtility getDirectoryProviderStorageIconFileID:metadata.fileID fileNameView:metadata.fileNameView]] && !_metadataFolder.e2eEncrypted) {
+    if (metadata.thumbnailExists && !_metadataFolder.e2eEncrypted && ![CCUtility fileProviderStorageIconExists:metadata.fileID fileNameView:metadata.fileNameView]) {
         [self downloadThumbnail:metadata serverUrl:serverUrl indexPath:indexPath];
     }
     

iOSClient/Media/CCMedia.m

@@ -772,7 +772,7 @@
         
             imageView.image = [UIImage imageNamed:@"file_photo"];
 
-            if (metadata.thumbnailExists) {
+            if (metadata.thumbnailExists && ![CCUtility fileProviderStorageIconExists:metadata.fileID fileNameView:metadata.fileNameView]) {
                 [self downloadThumbnail:metadata indexPath:indexPath];
             }
         }

iOSClient/Shares/NCShares.m

@@ -326,7 +326,7 @@
 
             if (cell.fileImageView.image == nil) {
                 
-                if (metadata.thumbnailExists) {
+                if (metadata.thumbnailExists && ![CCUtility fileProviderStorageIconExists:metadata.fileID fileNameView:metadata.fileNameView]) {
                     [self downloadThumbnail:metadata serverUrl:table.serverUrl indexPath:indexPath];
                 } else {
                     cell.fileImageView.image = [UIImage imageNamed:metadata.iconName];

iOSClient/Transfers/CCTransfers.m

@@ -452,7 +452,7 @@
     tableMetadata *metadataFolder = [[NCManageDatabase sharedInstance] getMetadataWithPredicate:[NSPredicate predicateWithFormat:@"fileID == %@", directory.fileID]];
     
     // Download thumbnail
-    if (metadata.thumbnailExists && ![[NSFileManager defaultManager] fileExistsAtPath:[CCUtility getDirectoryProviderStorageIconFileID:metadata.fileID fileNameView:metadata.fileNameView]] && !metadataFolder.e2eEncrypted) {
+    if (metadata.thumbnailExists && !metadataFolder.e2eEncrypted && ![CCUtility fileProviderStorageIconExists:metadata.fileID fileNameView:metadata.fileNameView]) {
         [self downloadThumbnail:metadata serverUrl:serverUrl indexPath:indexPath];
     }