public UploadTagAttachmentCommandValidator(
IProjectValidator projectValidator,
ITagValidator tagValidator)
{
CascadeMode = CascadeMode.Stop;
RuleFor(command => command)
.MustAsync((command, token) => NotBeAClosedProjectForTagAsync(command.TagId, token))
.WithMessage(command => $"Project for tag is closed! Tag={command.TagId}")
.MustAsync((command, token) => BeAnExistingTagAsync(command.TagId, token))
.WithMessage(command => $"Tag doesn't exist! Tag={command.TagId}")
.MustAsync((command, token) => NotBeAVoidedTagAsync(command.TagId, token))
.WithMessage(command => $"Tag is voided! Tag={command.TagId}")
.MustAsync((command, token) => NotHaveAttachmentWithFilenameAsync(command.TagId, command.FileName, token))
.WithMessage(command => $"Tag already has an attachment with filename {command.FileName}! Please rename file or choose to overwrite")
.When(c => !c.OverwriteIfExists, ApplyConditionTo.CurrentValidator);
async Task <bool> NotBeAClosedProjectForTagAsync(int tagId, CancellationToken token)
=> !await projectValidator.IsClosedForTagAsync(tagId, 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> NotHaveAttachmentWithFilenameAsync(int tagId, string fileName, CancellationToken token)
=> !await tagValidator.AttachmentWithFilenameExistsAsync(tagId, fileName, token);
}
