prs/prs.classes/Entities/Job/JobFormLookups.cs

using System.Linq;
using InABox.Core;

namespace Comal.Classes
{
    public class JobFormLookups : ILookupDefinition<DigitalForm, Job>, ILookupDefinition<DigitalForm, JobForm>
    {
        public Filter<DigitalForm> DefineFilter(Job[] items)
        {
            // Get all FillableFormTypes where 2nd parameter is typeof(JobFormDefinition)
            return new Filter<DigitalForm>(x => x.Active).IsEqualTo(true).And(x => x.AppliesTo).IsEqualTo("Job");
        }

        Columns<Job> ILookupDefinition<DigitalForm, Job>.DefineFilterColumns()
            => new Columns<Job>();

        public Filter<DigitalForm> DefineFilter(JobForm[] items)
        {
            if (items == null || items.Length != 1)
                return new Filter<DigitalForm>(x => x.ID).IsEqualTo(CoreUtils.FullGuid);
            return new Filter<DigitalForm>(x => x.ID).InQuery(new Filter<JobFormDefinition>(x => x.Job.ID).IsEqualTo(items.First().Parent.ID),
                x => x.Form.ID);
        }

        Columns<JobForm> ILookupDefinition<DigitalForm, JobForm>.DefineFilterColumns()
            => new Columns<JobForm>(x => x.Parent.ID);
    }
}