private static async Task DeleteDocumentsInternal(
SearchIndexingBufferedSender <SearchDocument> indexer,
string keyFieldName,
IEnumerable <string> documentKeys,
bool async,
CancellationToken cancellationToken = default)
{
Argument.AssertNotNull(indexer, nameof(indexer));
Argument.AssertNotNull(keyFieldName, nameof(keyFieldName));
Argument.AssertNotNull(documentKeys, nameof(documentKeys));
var batch = IndexDocumentsBatch.Delete <SearchDocument>(
documentKeys.Select(k => new SearchDocument {
[keyFieldName] = k
}));
if (async)
{
await indexer.IndexDocumentsAsync(batch, cancellationToken).ConfigureAwait(false);
}
else
{
indexer.IndexDocuments(batch, cancellationToken);
}
}