public async Task Handler_GivenInvalidAuthorId_ReturnsEmptyCommentsDTOCollection()
{
// Arrange
var query = new GetPostsByAuthorIdQuery {
AuthorId = 99
};
// Act
var handler = new GetPostsByAuthorIdQuery.GetPostsByAuthorIdQueryHandler(Context, Mapper);
var result = await handler.Handle(query, CancellationToken.None);
// Assert
result.ShouldBeEmpty();
}
public async Task Handler_GivenValidAuthorId_ReturnsNotEmptyPostsDTOCollection()
{
// Arrange
var query = new GetPostsByAuthorIdQuery {
AuthorId = 1
};
// Act
var handler = new GetPostsByAuthorIdQuery.GetPostsByAuthorIdQueryHandler(Context, Mapper);
var result = await handler.Handle(query, CancellationToken.None);
// Assert
result.ShouldBeOfType <List <PostDTO> >();
result.ShouldNotBeNull();
}
public async Task <IActionResult> Index(int id = default)
{
IRequest <ICollection <PostDTO> > postsQuery;
if (id == default)
{
postsQuery = new GetPostsQuery();
}
else
{
postsQuery = new GetPostsByAuthorIdQuery {
AuthorId = id
}
};
// Get all posts.
var postsDTO = await _mediator.Send(postsQuery);
var posts = postsDTO.OrderByDescending(post => post.Date);
var models = _mapper.Map <IEnumerable <PostDTO>, IEnumerable <PostViewModel> >(posts);
foreach (var model in models)
{
var authorQuery = new GetAuthorQuery {
Id = model.AuthorId
};
var author = await _mediator.Send(authorQuery);
var topicQuery = new GetTopicQuery {
Id = model.TopicId
};
var topic = await _mediator.Send(topicQuery);
model.AuthorId = author.Id;
model.Author = author.FirstName + " " + author.LastName;
model.Topic = topic.Text;
}
return(View(models));
}
/// <summary>
/// Show user profile page.
/// </summary>
/// <param name="id">Author identifier.</param>
/// <returns>User profile page.</returns>
public async Task <ActionResult> Index(int id)
{
if (id <= 0)
{
return(RedirectToAction("Index", "Home"));
}
// Get author current author.
var authorQuery = new GetAuthorQuery {
Id = id
};
var authorDTO = await _mediator.Send(authorQuery);
authorDTO.Email = await _identityService.GetEmailByIdAsync(authorDTO.UserId);
// Calculate author statistics.
var postsQuery = new GetPostsByAuthorIdQuery {
AuthorId = authorDTO.Id
};
var postsDTO = await _mediator.Send(postsQuery);
var postsNumber = postsDTO.Count;
var commentsQuery = new GetCommentsByAuthorIdQuery {
AuthorId = authorDTO.Id
};
var commentsDTO = await _mediator.Send(commentsQuery);
var commentsNumber = commentsDTO.Count;
// Check current user if he / she is an author of the current post.
var userName = HttpContext.User.Identity.Name;
int currentReaderId;
if (userName == null)
{
currentReaderId = default;
}
else
{
var userId = await _identityService.GetUserIdByNameAsync(userName);
var reader = await _mediator.Send(new GetAuthorByUserIdQuery { UserId = userId });
if (reader == null)
{
currentReaderId = default;
}
else
{
currentReaderId = reader.Id;
}
}
var model = _mapper.Map <AuthorDTO, ProfileViewModel>(authorDTO);
model.Age = authorDTO.BirthDate.Age(AgeUnits.Year);
model.TotalPostsNumber = postsNumber;
model.TotalCommentsNumber = commentsNumber;
model.Posts = postsDTO;
model.CurrentReaderId = currentReaderId;
model.BirthDate = authorDTO.BirthDate.ToString("MMMM d, yyyy");
return(View(model));
}
