public async Task SendMessageAsync(string chatId, string messageBody, ImagePickerResult imagePickerArgs, string imageCachePath)
{
var tempMessage = new ChatMessageModel
{
DateTime = DateTimeOffset.UtcNow,
Body = messageBody,
ChannelId = chatId,
IsMine = true,
ImageCacheKey = imageCachePath
};
var tempMessageViewModel = CreateAndAddNewTempMessage(tempMessage);
var imageUrl = await UploadImageAsync(imagePickerArgs);
var sentMessage = await _chatService.SendMessageAsync(chatId, messageBody, imageUrl).ConfigureAwait(false);
if (sentMessage != null)
{
TryUpdateTempMessageAfterSend(tempMessageViewModel, sentMessage);
}
}
// TODO YP: need change current approach for upload photo (before sending message)
// Better way:
// - start upload immediately after select
// - when message canceled - send request for remove temp image
private async Task <string> UploadImageAsync(ImagePickerResult imagePickerArgs)
{
var imageUrl = default(string);
if (imagePickerArgs?.ImageObject != null)
{
try
{
imageUrl = await _uploadImageService
.UploadImageAsync(() => (imagePickerArgs.GetStream(), imagePickerArgs.Extension))
.ConfigureAwait(false);
}
catch (InvalidDataException ex)
{
_logger.Error(ex);
}
finally
{
imagePickerArgs.Dispose();
}
}
return(imageUrl);
}