preview async

Signed-off-by: Marino Faggiana <marino@marinofaggiana.com>

Widget/Files/FilesData.swift

@@ -228,8 +228,12 @@ func getFilesDataEntry(isPreview: Bool, displaySize: CGSize, completion: @escapi
                     imageRecent = image
                 } else if file.hasPreview {
                     do {
-                        if let imageIcon = try await downloadPreview(file: file, account: account.account) {
-                            imageRecent = imageIcon
+                        let fileNamePathOrFileId = CCUtility.returnFileNamePath(fromFileName: file.fileName, serverUrl: file.serverUrl, urlBase: file.urlBase, account: account.account)!
+                        let fileNamePreviewLocalPath = CCUtility.getDirectoryProviderStoragePreviewOcId(file.ocId, etag: file.etag)!
+                        let fileNameIconLocalPath = CCUtility.getDirectoryProviderStorageIconOcId(file.ocId, etag: file.etag)!
+                        let (_, _, imageIcon, _, _) = try await NextcloudKit.shared.downloadPreview(fileNamePathOrFileId: fileNamePathOrFileId, fileNamePreviewLocalPath: fileNamePreviewLocalPath, widthPreview: NCGlobal.shared.sizePreview, heightPreview: NCGlobal.shared.sizePreview, fileNameIconLocalPath: fileNameIconLocalPath, sizeIcon: NCGlobal.shared.sizeIcon)
+                        if let image = imageIcon {
+                            imageRecent = image
                         }
                     } catch {
                         print(error)
@@ -256,25 +260,4 @@ func getFilesDataEntry(isPreview: Bool, displaySize: CGSize, completion: @escapi
             }
         }
     }
-
-    // Wrapper
-    @Sendable func downloadPreview(file: NKFile, account: String) async throws -> UIImage? {
-
-        try await withUnsafeThrowingContinuation { continuation in
-
-            let fileNamePathOrFileId = CCUtility.returnFileNamePath(fromFileName: file.fileName, serverUrl: file.serverUrl, urlBase: file.urlBase, account: account)!
-            let fileNamePreviewLocalPath = CCUtility.getDirectoryProviderStoragePreviewOcId(file.ocId, etag: file.etag)!
-            let fileNameIconLocalPath = CCUtility.getDirectoryProviderStorageIconOcId(file.ocId, etag: file.etag)!
-
-            NextcloudKit.shared.downloadPreview(fileNamePathOrFileId: fileNamePathOrFileId, fileNamePreviewLocalPath: fileNamePreviewLocalPath, widthPreview: NCGlobal.shared.sizePreview, heightPreview: NCGlobal.shared.sizePreview, fileNameIconLocalPath: fileNameIconLocalPath, sizeIcon: NCGlobal.shared.sizeIcon, etag: nil) { account, imagePreview, imageIcon, imageOriginal, etag, nkerror in
-
-                if nkerror == .success {
-                    continuation.resume(returning: imageIcon)
-                } else {
-                    continuation.resume(throwing: NSError(domain: NSCocoaErrorDomain, code: nkerror.errorCode, userInfo: [NSLocalizedDescriptionKey:nkerror.description]))
-                }
-            }
-        }
-    }
 }
-