public ArticlePublishResponse Publish(User publisher, Article article)
{
DataWriteResult result = _articleRepository.Create(publisher, article);
ArticlePublishResponse response = result.Success ? ResponseBase.SuccessResponse() : ResponseBase.FailureResponse();
return response;
}
public ArticlePublishResponse LikeArticle(User user, Article article)
{
DataWriteResult result = _articleRepository.Like(user, article);
ArticlePublishResponse response = result.Success ? ResponseBase.SuccessResponse() : ResponseBase.FailureResponse();
return response;
}
public DataWriteResult Delete(User publisher, Article article)
{
try
{
User dbPublisher = _context.Users.First(u => u.Id == publisher.Id && u.Role == Role.Publisher);
Article dbArticle = _context.Articles.FirstOrDefault(a => a.Id == article.Id);
_context.Articles.Remove(dbArticle);
_context.SaveChanges();
return DataWriteResult.SuccessResult();
}
catch (Exception exception)
{
return DataWriteResult.FailureResult(exception);
}
}
public DataWriteResult Create(User publisher, Article article)
{
try
{
User dbPublisher = _context.Users.First(u => u.Id == publisher.Id && u.Role == Role.Publisher);
article.Publisher = dbPublisher;
_context.Articles.Add(article);
_context.SaveChanges();
return DataWriteResult.SuccessResult();
}
catch (Exception exception)
{
return DataWriteResult.FailureResult(exception);
}
}
public DataWriteResult Like(User user, Article article)
{
DataWriteResult response;
if (user.Likes > 0)
{
article.Likes += 1;
user.Likes -= 1;
response = DataWriteResult.SuccessResult();
}
else
{
response = DataWriteResult.FailureResult(new Exception("Insufficient likes remaining"));
}
return response;
}
public DataWriteResult Create(User publisher, Article article)
{
DataWriteResult response;
if (article.Author == null)
{
response = DataWriteResult.FailureResult(new Exception("Authour null"));
}
else
{
_articles.Add(article);
response = DataWriteResult.SuccessResult();
}
_articles.Add(article);
return response;
}
public DataWriteResult Like(User user, Article article)
{
try
{
if (user.Likes > 0)
{
var articleDb = _context.Articles.Include(a => a.Author).Include(p => p.Publisher).First(a => a.Id == article.Id);
var userDb = _context.Users.First(u => u.Id == user.Id);
articleDb.Likes += 1;
userDb.Likes -= 1;
_context.SaveChanges();
return DataWriteResult.SuccessResult();
}
return DataWriteResult.FailureResult(new Exception("Insufficient likes remaining"));
}
catch (Exception exception)
{
return DataWriteResult.FailureResult(exception);
}
}
public void Initilise()
{
_author = new Author
{
Id = 1,
Name = "Fake Author 1"
};
_publisher = new User
{
Id = 1,
Username = "******",
Name = "Fake Publisher 1",
Password = "******",
Role = Role.Publisher
};
_employee = new User
{
Id = 1,
Username = "******",
Name = "Fake Employee 1",
Password = "******",
Role = Role.Employee,
Likes = 10
};
var articles = new List<Article>
{
new Article { Id = 1, Title = "News Article 1", Author = _author, Body = "This is a sample body for News Article 1", ArticleType = ArticleType.News, PublishDate = DateTime.Now, Likes = 2},
new Article { Id = 2, Title = "News Article 2", Author = _author, Body = "This is a sample body for News Article 2", ArticleType = ArticleType.News, PublishDate = DateTime.Now , Likes = 48},
new Article { Id = 3, Title = "Technology Article 1", Author = _author, Body = "This is a sample body for Technology Article 1", ArticleType = ArticleType.Technology, PublishDate = DateTime.Now , Likes = 0}
};
IArticleRepository articleRepository = new FakeArticleRepository(articles, new List<Author>() { _author });
_articleManager = new ArticleManager(articleRepository);
}
public DataWriteResult Update(User publisher, Article article)
{
throw new NotImplementedException();
}
public static AuthenticationResponse SuccessfulLogin(User user)
{
return new AuthenticationResponse { Success = true, ResponseType = LoginResponseType.Success, LoggedInUser = user };
}
public void Initilise()
{
_context = new NewsPortalContext();
_articleRepository = new ArticleRepository(_context);
publisher = _context.Users.First(u => u.Role == Role.Publisher);
}
