public Task Begin(CancellationToken cancel) {
if (begun)
throw new InvalidOperationException("The synchronisation is already in progress.");
begun = true;
var api = new QuizletApi();
var sets = setIDs.Select(DataStore.Database.GetWordList).ToArray();
if (sets.Any(s => s.SyncID == null))
throw new InvalidOperationException("Cannot synchronise a list that has no SyncID.");
return Task.WhenAll(from set in sets select SyncSet(api, set, cancel));
}
public Task Begin(CancellationToken cancel)
{
if (begun)
{
throw new InvalidOperationException("The synchronisation is already in progress.");
}
begun = true;
var api = new QuizletApi();
var sets = setIDs.Select(DataStore.Database.GetWordList).ToArray();
if (sets.Any(s => s.SyncID == null))
{
throw new InvalidOperationException("Cannot synchronise a list that has no SyncID.");
}
return(Task.WhenAll(from set in sets select SyncSet(api, set, cancel)));
}
public async Task <WordList> BeginImportAsTask()
{
if (disposed)
{
throw new ObjectDisposedException("QuizletImporter");
}
if (setID == null)
{
throw new InvalidOperationException("Cannot begin quizlet import when Set is null");
}
var api = new QuizletApi();
OnProgressChanged(stringTable["ContactingServer"].FormatUI(api.ServiceUri.Host), null);
var set = await api.FetchSetInfo(setID.Value, cts.Token);
if (set.Terms == null)
{
throw new FormatException("JSON for set information did not contain the terms of the set");
}
var list = DataStore.Database.CreateSet(set.Title, set.Author, null, set.Uri.ToString(), DateTime.Now);
foreach (var term in set.Terms)
{
list.Add(new WordListEntry(list, term.Term, term.Definition));
}
foreach (var subject in set.Subjects.Distinct(StringComparer.CurrentCultureIgnoreCase))
{
list.Tag(subject);
}
list.SyncID = setID;
list.SyncDate = DateTime.UtcNow;
list.SyncNeeded = false;
return(list);
}
