private async Task Send()
{
var userNameTask = LocalStorageService.GetStringAsync(LocalStorageAttributes.UserNameKeyName);
var userImgTask = LocalStorageService.GetStringAsync(LocalStorageAttributes.UserImgKeyName);
var userIdTask = LocalStorageService.GetStringAsync(LocalStorageAttributes.UserIdKeyName);
await Task.WhenAll(userNameTask, userIdTask, userImgTask);
var user = new ShortUserInfoContract
{
UserId = userIdTask.Result,
UserName = userNameTask.Result,
UserImg = userImgTask.Result,
};
var message = new CreateMessageContract
{
Content = messageInput,
User = user,
};
await Http.PostAsync($"api/messages/{ChatId}", message);
messageInput = string.Empty;
}
/// <summary>
/// Converts <see cref="CreateMessageContract"/> contract to <seealso cref="MessageModel"/> model.
/// </summary>
/// <param name="contract">Message contract.</param>
/// <returns><see cref="MessageModel"/> model.</returns>
public static MessageModel ToModel(this CreateMessageContract contract)
{
if (contract == null)
{
throw new ArgumentNullException(nameof(CreateMessageContract));
}
return(new MessageModel
{
Content = contract.Content,
CreatedDate = DateTime.UtcNow,
UserName = contract.User.UserName,
Chat = new ChatModel()
});
}
public async Task <IActionResult> Post(int chatId, [FromBody] CreateMessageContract contract)
{
var messageModel = contract.ToModel();
messageModel.Chat.Id = chatId;
var messageContract = messageModel.ToContract();
messageContract.User = contract.User;
var sendHubMessageTask = hubContext.Clients.Group(chatId.ToString()).SendAsync(HubConstants.ReceiveMessage, messageContract);
var writeMessageToDbTask = messageService.CreateAsync(messageModel);
await Task.WhenAll(sendHubMessageTask, writeMessageToDbTask);
return(StatusCode(StatusCodes.Status201Created));
}
