/// <summary>
/// Tries to add a song director.
/// </summary>
/// <param name="request">The add song director request.</param>
/// <returns>The result of the request.</returns>
private async Task <TOutput> TryAddSongDirector(AddSongDirectorRequest request)
{
// Validate the new song director
Result <SongDirector> createSongDirectorResult = SongDirector.TryCreate(
request.FullName,
request.EmailAddress,
request.PhoneNumber,
request.RankName,
request.IsActive);
// Validation failure
if (createSongDirectorResult.IsFailed)
{
return(ValidationFailure(createSongDirectorResult));
}
SongDirector songDirector = createSongDirectorResult.Value;
// Add the song director
Result <SongDirector> addSongDirectorResult = await _songDirectorRepository
.TryAddAsync(songDirector)
.ConfigureAwait(false);
if (addSongDirectorResult.IsFailed)
{
return(FailedToAddSongDirector(addSongDirectorResult));
}
SongDirectorUseCaseModel addedSongDirector = SongDirectorUseCaseModel
.GrandmasterView(songDirector);
return(SongDirectorAdded(addedSongDirector));
}
/// <inheritdoc/>
public async Task <TOutput> HandleAsync(AddSongDirectorRequest request)
{
// Reference the requester's id
string requesterId = request.RequesterId;
// Get the requester's rank
Result <Rank?> getRequesterSongDirectorRankResult = await _songDirectorRepository
.TryFindPropertyByIdAsync <Rank?>(requesterId, nameof(SongDirector.Rank))
.ConfigureAwait(false);
// If the requester's rank couldn't be found, return a failure result
if (getRequesterSongDirectorRankResult.IsFailed)
{
return(RequesterRankNotFound(requesterId, getRequesterSongDirectorRankResult));
}
Rank?requesterRank = getRequesterSongDirectorRankResult.Value;
// Ensure that the requester is a grandmaster
if (requesterRank != Rank.Grandmaster)
{
return(InsufficientPermissions());
}
// Return the result of the add attempt
return(await TryAddSongDirector(request).ConfigureAwait(false));
}
