/// <summary>
/// Initializes a new instance of the <see cref="ViewDataHelper"/> class.
/// </summary>
/// <param name="db">
/// The db.
/// </param>
public ViewDataHelper(LibiadaWebEntities db)
{
this.db = db;
matterRepository = new MatterRepository(db);
notationRepository = new NotationRepository(db);
featureRepository = new FeatureRepository(db);
characteristicTypeLinkRepository = new CharacteristicTypeLinkRepository(db);
remoteDbRepository = new RemoteDbRepository(db);
}
/// <summary>
/// Extracts sequences from database.
/// </summary>
/// <param name="matterIds">
/// The matter ids.
/// </param>
/// <param name="notationIds">
/// The notation ids.
/// </param>
/// <param name="languageIds">
/// The language ids.
/// </param>
/// <param name="translatorIds">
/// The translator ids.
/// </param>
/// <returns>
/// The <see cref="T:Chain[][]"/>.
/// </returns>
public Chain[][] GetChains(long[] matterIds, int[] notationIds, int[] languageIds, int?[] translatorIds)
{
var chains = new Chain[matterIds.Length][];
var notationsRepository = new NotationRepository(Db);
for (int i = 0; i < matterIds.Length; i++)
{
var matterId = matterIds[i];
chains[i] = new Chain[notationIds.Length];
for (int j = 0; j < notationIds.Length; j++)
{
Notation notation = notationsRepository.Notations.Single(n => n.Id == notationIds[j]);
long sequenceId;
if (notation.Nature == Nature.Literature)
{
int languageId = languageIds[j];
int? translatorId = translatorIds[j];
sequenceId = Db.LiteratureSequence.Single(l =>
l.MatterId == matterId && l.NotationId == notation.Id
&& l.LanguageId == languageId
&& ((translatorId == null && l.TranslatorId == null)
|| (translatorId == l.TranslatorId))).Id;
}
else
{
sequenceId = Db.CommonSequence.Single(c => c.MatterId == matterId && c.NotationId == notation.Id).Id;
}
chains[i][j] = ToLibiadaChain(sequenceId);
}
}
return chains;
}
