public ListChannelsModel ListChannels(string username)
{
var user = this.context.Users.SingleOrDefault(p => p.Username == username);
if (user == null)
{
return(null);
}
var channels = context.UserChannels.Where(p => p.UserId == user.Id)
.Select(p => new ListChannelModel
{
Name = p.Channel.Name,
Type = p.Channel.Type.ToString(),
Followers = context.UserChannels.Count(k => k.ChannelId == p.Id),
Id = p.ChannelId
})
.ToArray();
var followerIds = this.context.UserChannels
.Where(p => channels.Any(k => k.Id == p.ChannelId) && p.UserId != user.Id)
.Select(p => p.UserId).ToArray();
var suggestedChannels = this.context.UserChannels
.Where(p => followerIds.Contains(p.UserId) && !channels.Any(k => k.Id == p.ChannelId))
.Select(p => new ListChannelModel
{
Name = p.Channel.Name,
Type = p.Channel.Type.ToString(),
Followers = p.Channel.Followers.Count,
Id = p.ChannelId
})
.ToArray();
var seeOthers = this.context.Channels
.Where(p => !suggestedChannels.Any(k => k.Id == p.Id) &&
!channels.Any(k => k.Id == p.Id))
.Select(p => new ListChannelModel
{
Name = p.Name,
Type = p.Type.ToString(),
Followers = p.Followers.Count(),
Id = p.Id
})
.ToArray();
var model = new ListChannelsModel
{
Following = channels,
Suggested = suggestedChannels,
SeeOther = seeOthers
};
return(model);
}
public ListChannelsModel ListNotFollowed(int userId)
{
var channels = this.context.Channels.Where(k => !k.Followers.Select(p => p.UserId).Contains(userId))
.Select(p => new ListChannelModel
{
Name = p.Name,
Type = p.Type.ToString(),
Followers = p.Followers.Count(),
Id = p.Id
})
.ToArray();
var model = new ListChannelsModel
{
Suggested = channels
};
return(model);
}
