prs/prs.classes/Entities/Stock/StockHoldingLookups.cs

using System.Collections.Generic;
using System.Linq;
using System.Text;
using InABox.Core;

namespace Comal.Classes
{
    public class StockHoldingLookups : EntityLookup<StockHolding>, ILookupDefinition<StockHolding, RequisitionItem>
    {
        public Filter<StockHolding> DefineFilter(RequisitionItem[] items)
        {
            var item = items?.SingleOrDefault();
            if (item == null)
                return DefineFilter();
            return new Filter<StockHolding>(x => x.Product.ID).IsEqualTo(item.Product.ID).And(x => x.Style.ID).IsEqualTo(item.Style.ID)
                .And(x => x.Qty)
                .IsGreaterThan(0.0F);
        }

        public override Columns<StockHolding> DefineColumns()
        {
            return base.DefineColumns()
                .Add(x => x.Location.Code)
                .Add(x => x.Location.Description)
                .Add(x => x.Style.Description)
                .Add(x => x.Job.JobNumber)
                .Add(x => x.Units)
                .Add(x => x.Dimensions.UnitSize);
        }

        private bool HasValue(Dictionary<string, object> values, string key)
        {
            return values.ContainsKey(key) && values[key] != null && (values[key] is string ? !string.IsNullOrWhiteSpace((string)values[key]) : true);
        }

        public override string FormatLookup(Dictionary<string, object> values, IEnumerable<string> exclude)
        {
            var result = new StringBuilder();
            result.AppendFormat("{0}: {1} @ {2} {3}", values["Location.Description"], values["Units"], values["UnitSize"],
                values["Product.Units.Description"]);
            if (HasValue(values, "Style.Description"))
                result.AppendFormat(" ({0})", values["Style.Description"]);
            if (HasValue(values, "Job.JobNumber"))
                result.AppendFormat(" - Job {0}", values["Job.JobNumber"]);
            return result.ToString();
        }

        public override Filter<StockHolding> DefineFilter()
        {
            return new Filter<StockHolding>(x => x.ID).IsEqualTo(CoreUtils.FullGuid);
        }

        public override SortOrder<StockHolding> DefineSortOrder()
        {
            return new SortOrder<StockHolding>(x => x.Location.Code).ThenBy(x => x.Job.JobNumber);
        }
    }
}