public async Task <IActionResult> GetArticles()
{
var request = new GetArticlesQuery();
var data = await _mediator.Send(request);
return(Ok(data));
}
public async Task <List <Article> > Handle(GetArticlesQuery request, CancellationToken cancellationToken)
{
var query = BuildQuery(request);
return((await _dbContext.WithConnectionAsync(connection =>
connection.QueryAsync <Article>(query.RawSql, query.Parameters)))
.ToList());
}
public async Task <IActionResult> Get(
CancellationToken ct = default)
{
var query = new GetArticlesQuery();
var articles = await Mediator.Send(query, ct);
return(Ok(articles));
}
public async Task GetArticlesQueryHandler_GivenNoArguments_ShouldReturnArticles()
{
GetArticlesQuery query = new GetArticlesQuery();
GetArticlesQueryHandler handler = new GetArticlesQueryHandler();
var request = await handler.Handle(query, new System.Threading.CancellationToken());
Assert.IsType <List <ArticleDto> >(request);
}
public Task <Response <IEnumerable <ArticlesDto> > > Handle(GetArticlesQuery request,
CancellationToken cancellationToken)
{
var articles = _context.Articles
.Include(ar => ar.Tags)
.ProjectTo <ArticlesDto>(_mapper.ConfigurationProvider)
.AsEnumerable();
return(Response.OkFromTask(articles, string.Empty));
}
public async Task <IEnumerable <Article> > Handle(
GetArticlesQuery request,
CancellationToken cancellationToken)
{
return(await _context.Articles
.AsNoTracking()
.Include(a => a.HashTags)
.OrderByCreateTimeDesc()
.ToListAsync(cancellationToken));
}
private SqlBuilder.Template BuildQuery(GetArticlesQuery request)
{
var builder = new SqlBuilder();
var template = builder.AddTemplate(@"SELECT * FROM Articles /**where**/");
if (request.Ids != null)
{
builder.Where("Id in @Ids", new { request.Ids });
}
return(template);
}
public async Task GivenValidRequest_WhenRequestContainsPossibleQueryParams_ReturnsArticlesVieWModel()
{
// Arrange
var getArticlesCommand = new GetArticlesQuery("dragons", "joey.mckenzie", null, null, null);
// Act
var command = new GetArticlesQueryHandler(UserManager, Context, Mapper);
var response = await command.Handle(getArticlesCommand, CancellationToken.None);
// Assert
response.ShouldNotBeNull();
response.ShouldBeOfType <ArticleViewModelList>();
response.Articles.ShouldNotBeNull();
response.Articles.ShouldBeOfType <List <ArticleDto> >();
response.Articles.ShouldNotBeEmpty();
response.Articles.FirstOrDefault()?.TagList.ShouldContain("dragons");
}
public async Task <IEnumerable <GetArticlesDTO> > Handle(GetArticlesQuery request, CancellationToken token)
{
return(await _context.Article
.OrderByDescending(article => article.Created)
.Include(article => article.Author)
.Skip(request.Skip)
.Take(request.Take)
.Select(article => new GetArticlesDTO
{
Id = article.Id,
Author = article.Author.UserName,
Created = article.Created,
Description = article.Description,
Title = article.Title,
ThumbnailId = article.ThumbnailId
}).ToListAsync(token));
}
public async Task GivenValidRequest_WhenRequestContainsLimitParam_ReturnsLimitedResultsArticlesInArticlesVieWModel()
{
// Arrange
var getArticlesCommand = new GetArticlesQuery(null, null, null, 1, null);
// Act
var command = new GetArticlesQueryHandler(UserManager, Context, Mapper);
var response = await command.Handle(getArticlesCommand, CancellationToken.None);
// Assert
response.ShouldNotBeNull();
response.ShouldBeOfType <ArticleViewModelList>();
response.Articles.ShouldNotBeNull();
response.Articles.ShouldBeOfType <List <ArticleDto> >();
response.Articles.ShouldNotBeEmpty();
response.Articles.Count().ShouldBe(1);
response.Articles.ShouldContain(a => a.Author.Username == "joey.mckenzie");
response.Articles.FirstOrDefault(a => a.Author.Username == "joey.mckenzie")?.TagList.ShouldNotBeEmpty();
}
public async Task GivenValidRequest_WhenRequestContainsPossibleQueryParamsWithNoResultMatches_ReturnsArticlesVieWModelWithNoResults()
{
// Arrange
var getArticlesCommand = new GetArticlesQuery(null, "joey.mckenzie", "thisUserDoesNotExist", null, null);
// Act
var command = new GetArticlesQueryHandler(UserManager, Context, Mapper);
var response = await command.Handle(getArticlesCommand, CancellationToken.None);
// Assert
response.ShouldNotBeNull();
response.ShouldBeOfType <ArticleViewModelList>();
response.Articles.ShouldNotBeNull();
response.Articles.ShouldBeOfType <List <ArticleDto> >();
response.Articles.ShouldBeEmpty();
response.Articles.FirstOrDefault()?.Author.Following.ShouldBeTrue();
response.Articles.FirstOrDefault()?.Favorited.ShouldBeTrue();
response.Articles.FirstOrDefault()?.TagList.ShouldNotBeEmpty();
}
public Task <List <ArticleDto> > Handle(GetArticlesQuery request, CancellationToken cancellationToken)
{
var result = new List <ArticleDto>();
result.Add(new ArticleDto
{
DateCreated = new System.DateTime(2020, 01, 01, 01, 02, 03, 04),
Subject = "Article One",
Body = "Body here"
});
result.Add(new ArticleDto
{
DateCreated = new System.DateTime(2020, 01, 02, 03, 04, 05, 06),
Subject = "Article Two",
Body = "Body here"
});
return(Task.FromResult(result));
}
