public void Subscribe(User follower, User followee)
{
ContentContext.DbSet <Subscription>().Add(new Subscription
{
Follower = follower,
Followee = followee
});
ContentContext.SaveChanges();
}
public void CreateMessage(User user, string text, IDateTimeHelper dateTime)
{
ContentContext.DbSet <Message>().Add(new Message
{
Text = text,
CreatedBy = user,
CreatedDate = dateTime.CurrentDateTime
});
ContentContext.SaveChanges();
}
public User CreateUser(string name)
{
var user = new User
{
Name = name
};
ContentContext.DbSet <User>().Add(user);
ContentContext.SaveChanges();
return(user);
}
public User GetUser(string name)
{
return(ContentContext.DbSet <User>().FirstOrDefault(u => u.Name == name));
}
public IEnumerable <Message> GetMessages(IEnumerable <User> subscribedUsers)
{
return(ContentContext.DbSet <Message>().Where(m => subscribedUsers.Contains(m.CreatedBy)));
}
public IEnumerable <Message> GetMessages(User user)
{
return(ContentContext.DbSet <Message>().Where(m => m.CreatedBy == user));
}
public IEnumerable <User> GetSubscribers(User user)
{
return(ContentContext.DbSet <Subscription>().Where(s => s.Follower == user).Select(s => s.Followee));
}