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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL.Entities;
using System.Data.Entity;

namespace Tango.BL.Builders
{
    public class CatalogBuilder : EntityBuilderBase<ColorCatalog, CatalogBuilder>
    {
        public CatalogBuilder(ObservablesContext context) : base(context)
        {

        }

        public virtual CatalogBuilder WithGroups()
        {
            return AddQueryStep(1, (query) =>
            {
                return query.Include(x => x.ColorCatalogsGroups);
            });
        }

        public virtual CatalogBuilder WithItems()
        {
            return AddQueryStep(2, (query) =>
            {
                return query.Include(x => x.ColorCatalogsGroups.Select(y => y.ColorCatalogsItems));
            });
        }

        public virtual CatalogBuilder WithRecipes(Rml rml = null)
        {
            return AddQueryStep(3, (query) =>
            {
                if (rml != null)
                {
                    return query.Include(x => x.ColorCatalogsGroups.Select(y => y.ColorCatalogsItems.Select(z => z.ColorCatalogsItemsRecipes.Where(r => r.RmlGuid == rml.Guid))));
                }
                else
                {
                    return query.Include(x => x.ColorCatalogsGroups.Select(y => y.ColorCatalogsItems.Select(z => z.ColorCatalogsItemsRecipes)));
                }
            });
        }
    }
}