public async Task <Topic> Store(Topic topic, int ancestorId)
{
var ancestor = await dbcontext.Topics.FirstOrDefaultAsync(t => t.Id == ancestorId);
var dbTopic = new DbTopic()
{
Name = topic.Name,
Ancestor = ancestor,
};
var res = await dbcontext.Topics.AddAsync(dbTopic);
await dbcontext.SaveChangesAsync();
return(DbMapper.MapDbTopic(res.Entity));
}
public async Task <Topic> Store(TopicDetailed topic)
{
DbTopic ancTopic = (topic.Ancestor == null)?null: await dbcontext.Topics.SingleOrDefaultAsync(t => t.Id == topic.Ancestor.Id);
var dbTopic = new DbTopic()
{
Name = topic.Name,
Ancestor = ancTopic,
};
var res = await dbcontext.Topics.AddAsync(dbTopic);
await dbcontext.SaveChangesAsync();
return(DbMapper.MapDbTopic(res.Entity));
}
internal static User MapDbUser(DbUser dbUser)
{
if (dbUser == null)
{
return(null);
}
var topics = new List <Topic>();
foreach (var item in dbUser.UserTopics)
{
topics.Add(DbMapper.MapDbTopic(item.Topic));
}
return(new User
{
Email = dbUser.Email,
UserName = dbUser.UserName,
FirstName = dbUser.FirstName,
LastName = dbUser.LastName,
Topics = topics,
});
}
internal static UserDetailed MapDbUserDetailed(DbUser dbUser)
{
if (dbUser == null)
{
return(null);
}
var topics = new List <Topic>();
foreach (var item in dbUser.UserTopics)
{
topics.Add(DbMapper.MapDbTopic(item.Topic));
}
return(new UserDetailed
{
UserName = dbUser.UserName,
Email = dbUser.Email,
FirstName = dbUser.FirstName,
LastName = dbUser.LastName,
Introduction = dbUser.Introduction,
Topics = topics,
});
}
public async Task <ICollection <Topic> > List()
{
return(await dbcontext.Topics
.Select(t => DbMapper.MapDbTopic(t))
.ToListAsync());
}
public async Task <Topic> FindByName(string name)
{
var dbTopic = await dbcontext.Topics.FirstAsync(t => t.Name == name);
return(DbMapper.MapDbTopic(dbTopic));
}
public async Task <Topic> FindById(int id)
{
var dbTopic = await dbcontext.Topics.FirstAsync(t => t.Id == id);
return(DbMapper.MapDbTopic(dbTopic));
}
