public void Execute(UpdateGrapeBlend cmd)
{
if (cmd.Grapes.Sum(x => x.Percentage.Value) > 1)
{
throw DomainError.Because("Grape blends cannot exceed 100% combined");
}
if (cmd.Grapes.GroupBy(x => x.GrapeVariety).Any(x => x.Count() > 1))
{
throw DomainError.Because("A grape can only appear once in the blend");
}
RaiseEvent(new GrapeBlendUpdated(Id, cmd.Grapes));
}
public async Task <Response> Handle(RenameChampagneCommand cmd)
{
var pagne =
await AggregateRepo.LoadAsync <Domain.Aggregates.Champagne.Champagne>(new AggregateId(cmd.ChampagneId));
if (pagne == null)
{
throw DomainError.Because($"Champagne with Id '{cmd.ChampagneId}' could not be found");
}
pagne.Execute(new RenameChampagne(new AggregateId(cmd.ChampagneId), new ChampagneName(cmd.NewName)));
await AggregateRepo.StoreAsync(pagne);
return(Response.Success());
}
public async Task <Response> Handle(UpdateGrapeBlendCommand cmd)
{
var pagne =
await AggregateRepo.LoadAsync <Domain.Aggregates.Champagne.Champagne>(new AggregateId(cmd.ChampagneId));
if (pagne == null)
{
throw DomainError.Because($"Champagne with Id '{cmd.ChampagneId}' could not be found");
}
var grapes = cmd.Grapes.Select(x =>
new GrapeBlend(new GrapeBlendPercentage(x.Percentage), new GrapeVariety(x.GrapeVariety)));
pagne.Execute(new UpdateGrapeBlend(new AggregateId(cmd.ChampagneId), grapes));
await AggregateRepo.StoreAsync(pagne);
return(Response.Success());
}