public bool MusicTrackExist(MusicTrack musicTrack)
{
using (var dataBase = new NameThatTuneDatabase())
{
return(dataBase.MusicTrack.Any(mt => mt.Id == musicTrack.Id));
}
}
public async Task AddMusicTrackAsync(MusicTrack musicTrack)
{
if (musicTrack?.MusicVersions == null)
{
throw new ArgumentNullException(nameof(musicTrack));
}
using (var dataBase = new NameThatTuneDatabase())
{
if (await dataBase.MusicTrack.AnyAsync(o => o.Id == musicTrack.Id))
{
throw new Exception($"Track {musicTrack.NameArtist} - {musicTrack.NameTrack} already exists");
}
;
var musicVersions = musicTrack.MusicVersions.ToArray();
musicTrack.MusicVersions = null;
await dataBase.MusicTrack.AddAsync(musicTrack);
await dataBase.SaveChangesAsync();
await dataBase.MusicVersions.AddRangeAsync(musicVersions);
await dataBase.SaveChangesAsync();
Console.Out.WriteLine("DB: Track {0} added", musicTrack.NameArtist + "-" + musicTrack.NameTrack);
}
}
public MusicTrack GetMusicTrack(int trackId)
{
using (var dataBase = new NameThatTuneDatabase())
{
return(dataBase.MusicTrack.Include(t => t.MusicVersions).SingleOrDefault(m => m.Id == trackId));
}
}
public static async Task UpdateUserStatistics(User user, bool answerType)
{
using (var dataBase = new NameThatTuneDatabase())
{
if (!await dataBase.Users.AnyAsync(o => o.ChatId == user.ChatId &&
o.MessengerClass == user.MessengerClass))
{
throw new Exception($"User {user.ChatId} - {user.MessengerClass} does not exists");
}
var saveUser = await dataBase.Users.FirstOrDefaultAsync(u => u.ChatId == user.ChatId &&
u.MessengerClass == user.MessengerClass);
var userStat = await dataBase.UserStatistics.FirstOrDefaultAsync(us => us.Id == saveUser.Id);
if (answerType)
{
userStat.CorrectAnswers++;
}
else
{
userStat.WrongAnswers++;
}
await dataBase.SaveChangesAsync();
}
}
public static async Task <bool> UserTrackExist(User user)
{
using (var dataBase = new NameThatTuneDatabase())
{
return(await dataBase.Users.AnyAsync(o => o.ChatId == user.ChatId &&
o.MessengerClass == user.MessengerClass));
}
}
public static async Task <UserStatistics> GetUserStatistic(User user)
{
using (var dataBase = new NameThatTuneDatabase())
{
var saveUser = await dataBase.Users.FirstOrDefaultAsync(u => u.ChatId == user.ChatId &&
u.MessengerClass == user.MessengerClass);
return(await dataBase.UserStatistics.FirstOrDefaultAsync(us => us.Id == saveUser.Id));
}
}
private MusicTrack[] GetRandomMusicTracks(int numberOfTrack)
{
using (var dataBase = new NameThatTuneDatabase())
{
var musicTracks = dataBase.MusicTrack.OrderBy(x => Guid.NewGuid()).Take(numberOfTrack).ToList();
foreach (var musicTrack in musicTracks)
{
dataBase.MusicVersions.Where(mv => mv.MusicTrackId == musicTrack.Id).Load();
}
//OrderBy(x => Guid.NewGuid()).Include(t => t.MusicVersions)
return(musicTracks.ToArray());
}
}
public static async Task AddUserStatistics(User user)
{
using (var dataBase = new NameThatTuneDatabase())
{
if (await dataBase.Users.AnyAsync(o => o.ChatId == user.ChatId &&
o.MessengerClass == user.MessengerClass))
{
throw new Exception($"User {user.ChatId} - {user.MessengerClass} already exists");
}
;
var newUser = user;
await dataBase.Users.AddAsync(newUser);
await dataBase.SaveChangesAsync();
var userStat = new UserStatistics {
UserId = newUser.Id, Id = newUser.Id
};
await dataBase.UserStatistics.AddAsync(userStat);
await dataBase.SaveChangesAsync();
}
}
