StartNewProjectValidator

gistfile1.cs

public class StartNewProjectValidator : ICommandValidator<StartNewProject>
{
    protected readonly ISisoDatabase Readstore;

    public StartNewProjectValidator(ISisoDatabase readstore)
    {
        Readstore = readstore;
    }

    public virtual ViolationsContainer Validate(StartNewProject cmd)
    {
        var validator = new ObjectValidator<StartNewProject>();
        return validator
            .Require(
                i => i.ProjectId != Guid.Empty,
                i => new Violation("ProjectId", "The ProjectId is required", Violation.Types.Required))
            .Require(
                i => !string.IsNullOrWhiteSpace(i.Name),
                i => new Violation("Name", "The Name is required", Violation.Types.Required))
            .BreakIfAnyViolations()
            .Require(
                i => !Readstore.UseOnceTo().Query<ProjectEntity>().Any(e => e.Name == i.Name),
                i => new Violation("ProjectName", "The Project name must be unique.", Violation.Types.NotUnique))
            .Validate(cmd);
    }
}