public StartPreservationCommandValidator(
IProjectValidator projectValidator,
ITagValidator tagValidator)
{
CascadeMode = CascadeMode.Stop;
RuleFor(command => command.TagIds)
.Must(ids => ids != null && ids.Any())
.WithMessage("At least 1 tag must be given!")
.Must(BeUniqueTags)
.WithMessage("Tags must be unique!")
.MustAsync(BeInSameProjectAsync)
.WithMessage("Tags must be in same project!")
.MustAsync(NotBeAClosedProjectForTagAsync)
.WithMessage("Project is closed!");
When(command => command.TagIds.Any() && BeUniqueTags(command.TagIds), () =>
{
RuleForEach(command => command.TagIds)
.MustAsync((_, tagId, __, token) => BeAnExistingTagAsync(tagId, token))
.WithMessage((_, id) => $"Tag doesn't exist! Tag={id}")
.MustAsync((_, tagId, __, token) => NotBeAVoidedTagAsync(tagId, token))
.WithMessage((_, id) => $"Tag is voided! Tag={id}")
.MustAsync((_, tagId, __, token) => IsReadyToBeStartedAsync(tagId, token))
.WithMessage((_, id) => $"Preservation on tag can not be started! Tag={id}")
.MustAsync((_, tagId, __, token) => HaveAtLeastOneNonVoidedRequirementAsync(tagId, token))
.WithMessage((_, id) => $"Tag do not have any non voided requirement! Tag={id}");
});
bool BeUniqueTags(IEnumerable <int> tagIds)
{
var ids = tagIds.ToList();
return(ids.Distinct().Count() == ids.Count);
}
async Task <bool> BeInSameProjectAsync(IEnumerable <int> tagIds, CancellationToken token)
=> await projectValidator.AllTagsInSameProjectAsync(tagIds, token);
async Task <bool> NotBeAClosedProjectForTagAsync(IEnumerable <int> tagIds, CancellationToken token)
=> !await projectValidator.IsClosedForTagAsync(tagIds.First(), token);
async Task <bool> BeAnExistingTagAsync(int tagId, CancellationToken token)
=> await tagValidator.ExistsAsync(tagId, token);
async Task <bool> NotBeAVoidedTagAsync(int tagId, CancellationToken token)
=> !await tagValidator.IsVoidedAsync(tagId, token);
async Task <bool> IsReadyToBeStartedAsync(int tagId, CancellationToken token)
=> await tagValidator.IsReadyToBeStartedAsync(tagId, token);
async Task <bool> HaveAtLeastOneNonVoidedRequirementAsync(int tagId, CancellationToken token)
=> await tagValidator.HasANonVoidedRequirementAsync(tagId, token);
}