protected async override Task ExecuteOperation(IFileMetadataStore metadataStore, IFileSyncContext context)
{
MobileServiceFileMetadata metadata = await metadataStore.GetFileMetadataAsync(FileId);
if (metadata != null)
{
var dataSource = await context.SyncHandler.GetDataSource(metadata);
await context.MobileServiceFilesClient.UploadFileAsync(metadata, dataSource);
}
}
protected async override Task ExecuteOperation(IFileMetadataStore metadataStore, IFileSyncContext context)
{
MobileServiceFileMetadata metadata = await metadataStore.GetFileMetadataAsync(FileId);
if (metadata != null)
{
await metadataStore.DeleteAsync(metadata);
await context.MobileServiceFilesClient.DeleteFileAsync(metadata);
}
}
/// <summary>
/// Initializes the file synchronization capabilities of the <see cref="IMobileServiceClient"/>. Offline sync must also be initialized by calling
/// IMobileServiceClient.SyncContext.InitializeAsync.
/// </summary>
/// <param name="client">IMobileServiceClient instance</param>
/// <param name="context"></param>
/// <returns>An instance of <see cref="IFileSyncContext"/></returns>
public static IFileSyncContext InitializeFileSyncContext(this IMobileServiceClient client, IFileSyncContext context)
{
lock (contextsSyncRoot)
{
if (contexts.ContainsKey(client))
{
throw new InvalidOperationException("The file sync context has already been initialized.");
}
contexts.Add(client, context);
return context;
}
}
public async Task Execute(IFileMetadataStore metadataStore, IFileSyncContext context)
{
try
{
this.State = FileOperationState.InProcess;
await ExecuteOperation(metadataStore, context);
}
catch
{
this.State = FileOperationState.Failed;
throw;
}
this.State = FileOperationState.Succeeded;
}
public CustomFileSyncTrigger(IFileSyncContext fileSyncContext, IMobileServiceClient mobileServiceClient, bool autoUpdateParentRecords)
{
if (fileSyncContext == null) {
throw new ArgumentNullException("fileSyncContext");
}
if (mobileServiceClient == null) {
throw new ArgumentNullException("mobileServiceClient");
}
this.fileSyncContext = fileSyncContext;
this.mobileServiceClient = mobileServiceClient;
this.dataChangeNotificationSubscription = mobileServiceClient.EventManager.Subscribe<StoreOperationCompletedEvent>(OnStoreOperationCompleted);
if (autoUpdateParentRecords) {
this.fileChangeNotificationSubscription = mobileServiceClient.EventManager.Subscribe<FileOperationCompletedEvent>(OnFileOperationCompleted);
}
}
public IList <IFileSyncTrigger> CreateTriggers(IFileSyncContext fileSyncContext)
{
return(new List <IFileSyncTrigger> {
new EntityDataFileSyncTrigger(fileSyncContext, this.mobileServiceClient, this.autoUpdateRecords)
});
}
protected async override Task ExecuteOperation(IFileMetadataStore metadataStore, IFileSyncContext context)
{
MobileServiceFileMetadata metadata = await metadataStore.GetFileMetadataAsync(FileId);
if (metadata != null)
{
IMobileServiceFileDataSource dataSource = await context.SyncHandler.GetDataSource(metadata);
await context.MobileServiceFilesClient.UploadFileAsync(metadata, dataSource);
await metadataStore.CreateOrUpdateAsync(metadata);
}
}
protected abstract Task ExecuteOperation(IFileMetadataStore metadataStore, IFileSyncContext context);
public async static Task AddFileAsync <T>(this IMobileServiceSyncTable <T> table, MobileServiceFile file)
{
IFileSyncContext context = table.MobileServiceClient.GetFileSyncContext();
await context.AddFileAsync(file);
}
public async static Task PullFilesAsync <T>(this IMobileServiceSyncTable <T> table, T dataItem)
{
IFileSyncContext context = table.MobileServiceClient.GetFileSyncContext();
await context.PullFilesAsync(table.TableName, GetDataItemId(dataItem));
}
public async static Task PushFileChangesAsync <T>(this IMobileServiceSyncTable <T> table)
{
IFileSyncContext context = table.MobileServiceClient.GetFileSyncContext();
await context.PushChangesAsync(CancellationToken.None);
}
public async static Task PurgeFilesAsync <T>(this IMobileServiceSyncTable <T> table)
{
IFileSyncContext context = table.MobileServiceClient.GetFileSyncContext();
await context.MetadataStore.PurgeAsync(table.TableName);
}
public IList<IFileSyncTrigger> CreateTriggers(IFileSyncContext fileSyncContext)
{
return new List<IFileSyncTrigger> { new CustomFileSyncTrigger(fileSyncContext, this.mobileServiceClient, this.autoUpdateRecords) };
}
public IList <IFileSyncTrigger> CreateTriggers(IFileSyncContext fileSyncContext)
{
return(new List <IFileSyncTrigger> {
new CustomFileSyncTrigger(fileSyncContext, this._mobileServiceClient, this._autoUpdateRecords)
});
}
protected async override Task ExecuteOperation(IFileMetadataStore metadataStore, IFileSyncContext context)
{
MobileServiceFileMetadata metadata = await metadataStore.GetFileMetadataAsync(FileId);
if (metadata != null)
{
await metadataStore.DeleteAsync(metadata);
await context.MobileServiceFilesClient.DeleteFileAsync(metadata);
}
}
protected abstract Task ExecuteOperation(IFileMetadataStore metadataStore, IFileSyncContext context);
