public int GetSubscriberCount(Channel channel)
{
using (var context = new PhotoChannelContext())
{
return(context.Subscribers.Count(subscriber => subscriber.ChannelId == channel.Id));
}
}
public int GetSubscriptionsCount(User user)
{
using (var context = new PhotoChannelContext())
{
return(context.Subscribers.Count(subscriber => subscriber.UserId == user.Id));
}
}
public int GetPhotoCommentCount(Photo photo)
{
using (var context = new PhotoChannelContext())
{
return(context.Comments.Count(comment => comment.PhotoId == photo.Id));
}
}
public int GetPhotoLikeCount(Photo photo)
{
using (var context = new PhotoChannelContext())
{
return(context.Likes.Count(like => like.PhotoId == photo.Id));
}
}
public List <Channel> SearchByMultiCategory(int[] categoryIds)
{
using (var context = new PhotoChannelContext())
{
var result = context.ChannelCategories.Include(c => c.Channel).Include(category => category.Channel.User).Where(c => categoryIds.Contains(c.CategoryId)).Select(c => c.Channel).Distinct();
return(result.ToList());
}
}
public List <Channel> SearchByCategory(int categoryId)
{
using (var context = new PhotoChannelContext())
{
var result = context.ChannelCategories.Include(c => c.Channel).Include(category => category.Channel.User).Where(c => c.CategoryId == categoryId).Select(c => c.Channel);
return(result.ToList());
}
}
public Tuple <List <User>, List <Channel> > SearchByText(string text)
{
using (var context = new PhotoChannelContext())
{
Tuple <List <User>, List <Channel> > tuple = new Tuple <List <User>, List <Channel> >(
context.Users.Where(u => u.FirstName.Contains(text) || u.LastName.Contains(text) || u.UserName.Contains(text)).Take(5).ToList(),
context.Channels.Where(c => c.Name.Contains(text)).Take(5).ToList()
);
return(tuple);
}
}
public List <Photo> GetFeed(int userId)
{
using (var context = new PhotoChannelContext())
{
List <Photo> photos = new List <Photo>();
context.Subscribers.Where(subscriber => subscriber.UserId == userId).ToList().ForEach(subscriber =>
{
photos.AddRange(context.Photos.Include(photo => photo.Channel).Include(photo => photo.User).Where(photo => photo.ChannelId == subscriber.ChannelId).ToList());
});
return(photos.OrderByDescending(photo => photo.ShareDate).ToList());
}
}
public List <Photo> GetMostPhotos()
{
using (var context = new PhotoChannelContext())
{
Dictionary <Photo, int> dictionary = new Dictionary <Photo, int>();
context.Photos.Include(photo => photo.Channel).Include(photo => photo.User).ToList().ForEach(photo =>
{
dictionary.Add(photo,
context.Likes.Count(like => like.PhotoId == photo.Id));
});
return(dictionary.OrderByDescending(pair => pair.Value).Take(10).Select(pair => pair.Key).ToList());
}
}
public List <Channel> GetMostChannels()
{
using (var context = new PhotoChannelContext())
{
Dictionary <Channel, int> dictionary = new Dictionary <Channel, int>();
context.Channels.ToList().ForEach(channel =>
{
dictionary.Add(channel,
context.Subscribers.Count(subscriber => subscriber.ChannelId == channel.Id));
});
return(dictionary.OrderByDescending(pair => pair.Value).Take(5).Select(pair => pair.Key).ToList());
}
}
