public Task <CharacterCreationResponse> Handle(CharacterCreationCommand request, CancellationToken cancellationToken)
{
var existingOnes = _facade.Query();
var errors = new Dictionary <string, string>();
if (existingOnes.Count(x => x.Name == request.Name) > 0)
{
errors.Add(nameof(request.Name), $"A character with name {request.Name} already exists.");
}
var existingGuids = existingOnes.Select(x => x.Id);
if (!request.Friends.TrueForAll(x => existingGuids.Contains(x)))
{
errors.Add(nameof(request.Friends), "Some of provided friends don't exist.");
}
if (!request.Episodes.TrueForAll(x => Episode.List.Count(y => y.Value == x) == 1))
{
errors.Add(nameof(request.Episodes), "Some of provided episodes don't exist.");
}
if (errors.Count == 0)
{
var chr =
new Character
{
Name = request.Name,
Episodes =
new Episodes(
Episode.List
.Where(x => request
.Episodes
.Contains(x.Value))
.ToArray()),
Friends =
new Friends(
existingOnes.Where(x => request
.Friends
.Contains(x.Id))
.ToArray())
};
var(newCharactersId, facadeErrors) =
_facade.TryAdd(chr);
if (newCharactersId != Guid.Empty)
{
return(Task.FromResult(new CharacterCreationResponse {
Id = newCharactersId
}));
}
foreach (var error in facadeErrors)
{
errors.Add(error.Key, error.Value);
}
}
return(Task.FromResult(new CharacterCreationResponse {
Errors = errors
}));
}
public Task <CharactersQueryResponse> Handle(CharactersQuery request, CancellationToken cancellationToken)
{
Characters result;
if (request?.PaginationOptions != null)
{
int pageNr;
int charactersCount;
(result, pageNr, charactersCount) = _facade.QueryPaginated(request.PaginationOptions);
return(Task.FromResult(new CharactersQueryResponse {
Data = result, Total = charactersCount, CurrentPage = pageNr
}));
}
else
{
result = _facade.Query();
return(Task.FromResult(new CharactersQueryResponse {
Data = result
}));
}
}
