public static async Task <IList <IGameLevel> > SaveCustomLevels(
this IList <IGameLevel> gameLevels, InWordsDataContext context, int userId)
{
var levelsToSave = gameLevels.Where(d => d.GameLevelId <= 0)
.GroupBy(d => d.GameLevelId, d => d)
.ToDictionary(d => d.Key,
d => d.ToArray());
var list = levelsToSave
.Select(d => d.Value
.SelectMany(d => d.LevelWords()
.Distinct())
.ToArray())
.ToList();
var levelsIds = await context.CreateLevels(userId, list).ConfigureAwait(false);
int i = 0;
foreach (var level in levelsToSave)
{
foreach (var type in level.Value)
{
type.GameLevelId = levelsIds[i];
}
i++;
}
return(gameLevels);
}
/// <summary>
/// GetOrAdd history usergame and save levels in game levels. Return levels ids.
/// </summary>
/// <param name="context">database context</param>
/// <param name="userId">auhtorized user identity</param>
/// <param name="levelsWords">words id array in list of levels</param>
/// <returns>Levels ids</returns>
public static async Task <int[]> CreateLevels(this InWordsDataContext context, int userId, IList <int[]> levelsWords)
{
var historyGameId = await context.AddOrGetUserHistoryGame(userId).ConfigureAwait(false);
var levels = await context.CreateLevels(historyGameId, userId, levelsWords).ConfigureAwait(false);
return(levels);
}