/// <summary>
/// Generate a new collection based on specified parameters.
/// If a <see cref="AgnosticDatabase.Interfaces.IDatabaseAsync" /> instance is specified, collection will also be saved
/// to Database.
/// </summary>
/// <param name="db">Database instance.</param>
/// <returns>
/// Generated collection
/// </returns>
public async Task <IEnumerable <Note> > GenerateAsync(IDatabaseAsync db)
{
if (db == null)
{
return(Generate());
}
IEnumerable <Note> notes = MakeNotes();
// Generate notes
await db.InsertAllAsync(notes).ConfigureAwait(false);
// Generate cards
await db.RunInTransactionAsync(dbSync => CreateCards(notes, dbSync));
return(notes);
}
/// <summary>
/// Removes from database.
/// </summary>
/// <param name="items">The items.</param>
/// <returns></returns>
protected async Task <bool> RemoveFromDbAsync(IEnumerable <T> items)
{
try
{
await _db.RunInTransactionAsync(
dbSync =>
{
foreach (T item in items)
{
dbSync.Delete(item);
}
}).ConfigureAwait(false);
}
catch (Exception ex)
{
LogTo.Error(ex, "RemoveFromDb");
return(false);
}
return(true);
}