private static async Task <bool> CheckGroupPlaylistIdentifierExistsForGroupAsync(
string groupPlaylistIdentifier,
Guid userId,
IGroupPlaylistRepository groupPlaylistRepository)
{
var groupPlaylist = await groupPlaylistRepository.CheckExistsByIdentifierAndGroupIdAsync(groupPlaylistIdentifier, userId);
return(groupPlaylist != null);
}
private static async Task <string> GenerateNewGroupPlaylistIdentifierAsync(
Guid groupId,
IGroupPlaylistRepository groupPlaylistRepository)
{
var newGroupPlaylistIdentifier = ModelHelpers.GenerateUniqueIdentifier(IdentifierConsts.GroupIdentifierLength);
var groupPlaylistIdentifierExistsForGroup = await CheckGroupPlaylistIdentifierExistsForGroupAsync(
newGroupPlaylistIdentifier,
groupId,
groupPlaylistRepository).ConfigureAwait(false);
if (groupPlaylistIdentifierExistsForGroup)
{
return(await GenerateNewGroupPlaylistIdentifierAsync(groupId, groupPlaylistRepository).ConfigureAwait(false));
}
else
{
return(newGroupPlaylistIdentifier);
}
}