public async Task <IMobileServiceFileOperation> GetOperationByFileIdAsync(string fileId)
{
var query = new MobileServiceTableQueryDescription(FileOperationTableName);
query.Filter = new BinaryOperatorNode(BinaryOperatorKind.Equal, new MemberAccessNode(null, "fileId"), new ConstantNode(fileId));
query.Top = 1;
JToken result = await this.store.ReadAsync(query);
FileOperationItem operationItem = result.ToObject <List <FileOperationItem> >().FirstOrDefault();
return(operationItem != null?operationItem.ToOperation() : null);
}
private async Task <IMobileServiceFileOperation> GetNextOperationItemAsync(bool deleteItem)
{
var query = new MobileServiceTableQueryDescription(FileOperationTableName);
query.Ordering.Add(new OrderByNode(new MemberAccessNode(null, "sequence"), OrderByDirection.Ascending));
query.Top = 1;
JToken result = await this.store.ReadAsync(query);
FileOperationItem operationItem = result.ToObject <List <FileOperationItem> >().FirstOrDefault();
if (deleteItem)
{
await Delete(query);
}
return(operationItem != null?operationItem.ToOperation() : null);
}
