/// <inheritdoc />
public async Task <IList <long> > AddOrGetWordsAsync(interfaces.IO.IWords words, CancellationToken token)
{
using (_counterAddOrUpdate.Start())
{
return(await InsertWordsAsync(words, token).ConfigureAwait(false));
}
}
/// <summary>
/// Given a list of words, re-create the ones that we need to insert.
/// </summary>
/// <param name="words"></param>
/// <param name="token"></param>
/// <returns></returns>
private async Task <IList <long> > InsertWordsAsync(
interfaces.IO.IWords words,
CancellationToken token)
{
// if we have nothing to do... we are done.
if (!words.Any())
{
return(new List <long>());
}
// the ids of the words we just added
var ids = new List <long>(words.Count);
try
{
foreach (var word in words)
{
// get out if needed.
token.ThrowIfCancellationRequested();
// if the word is not valid, there isn't much we can do.
if (!IsValidWord(word))
{
continue;
}
// the word we want to insert.
var wordId = await InsertWordAsync(word, token).ConfigureAwait(false);
if (-1 == wordId)
{
// we log errors in the insert function
continue;
}
// we added this id.
ids.Add(wordId);
}
// all done, return whatever we did.
return(ids);
}
catch (OperationCanceledException)
{
_logger.Warning("Received cancellation request - Insert multiple words");
throw;
}
catch (Exception ex)
{
_logger.Exception(ex);
throw;
}
}