prs/prs.desktop/Panels/Requisitions/RequisitionItemEditor/RequisitionItemJobRequisitionItemPage.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Windows.Media;
using Comal.Classes;
using InABox.Clients;
using InABox.Core;
using InABox.DynamicGrid;

namespace PRSDesktop.Panels.Requisitions;

public class JobJRISummary : BaseObject
{
    public JobRequisitionItemLink JRI => InitializeField(ref _jRI, nameof(JRI));
    private JobRequisitionItemLink? _jRI;

    [DoubleEditor(Editable = Editable.Disabled)]
    public double Required { get; set; }
    
    [DoubleEditor(Editable = Editable.Disabled)]
    public double Issued { get; set; }
    
    [DoubleEditor]
    public double Quantity { get; set; }
    
    [CurrencyEditor]
    public double Cost { get; set; }
}

public class RequisitionItemJobRequitionPage : DynamicItemsListGrid<JobJRISummary>, ISpecificGrid
{
    
    public RequisitionItem Item { get; set; }
    
    private class RequisitionItemJobRequisitionPageUI : DynamicGridGridUIComponent<JobJRISummary>
    {
        protected override Brush? GetCellBackground(CoreRow row, DynamicColumnBase column)
        {
            if (!row.Get<JobJRISummary, double>(c => c.Quantity).IsEffectivelyEqual(0.0))
                return new SolidColorBrush(Colors.LightGreen);
            return base.GetCellBackground(row, column);
        }
    }

    protected override IDynamicGridUIComponent<JobJRISummary> CreateUIComponent() => new RequisitionItemJobRequisitionPageUI() { Parent = this };

    protected override void Init()
    {
        base.Init();
        HiddenColumns.Add(x =>x.JRI.ID);
        HiddenColumns.Add(x=>x.JRI.Product.ID);
        HiddenColumns.Add(x => x.JRI.Product.Group.ID);
        HiddenColumns.Add(x=>x.JRI.Style.ID);
        HiddenColumns.Add(x=>x.JRI. Dimensions.Unit.ID);
        HiddenColumns.Add(x=>x.JRI.Dimensions.UnitSize);
        HiddenColumns.Add(x => x.JRI.Qty);
        HiddenColumns.Add(x=>x.Quantity);
        HiddenColumns.Add(x=>x.Cost);
    }

    protected override void DoReconfigure(DynamicGridOptions options)
    {
        base.DoReconfigure(options);
        options.Clear();
        options.FilterRows = true;
        options.DirectEdit = true;
        options.HideDirectEditButton = true;
    }

    protected override void Reload(
    	Filters<JobJRISummary> criteria, Columns<JobJRISummary> columns, ref SortOrder<JobJRISummary>? sort,
    	CancellationToken token, Action<CoreTable?, Exception?> action)
    {
        Items.Clear();
        var table = new CoreTable();
        table.LoadColumns(columns);

        Filters<JobRequisitionItem> itemfilters = new Filters<JobRequisitionItem>();
        itemfilters.Add(
            new Filter<JobRequisitionItem>(x => x.Job.ID).IsEqualTo(Item.RequisitionLink.JobLink.ID));
        foreach (var filter in criteria.Items)
        {
            var itemfilter = Serialization.Deserialize<Filter<JobRequisitionItem>>(Serialization.Serialize(filter));
            if (itemfilter is not null)
                itemfilters.Add(itemfilter);
        }

        Columns<JobRequisitionItem> itemcolumns = Columns.None<JobRequisitionItem>();
        foreach (var column in columns)
            itemcolumns.Add(column.Property.Replace("JRI.",""));
        
        SortOrder<JobRequisitionItem>? itemsort =
            Serialization.Deserialize<SortOrder<JobRequisitionItem>>(Serialization.Serialize(sort));

        MultiQuery query = new();
        query.Add<JobRequisitionItem>(
            itemfilters.Combine(), 
            itemcolumns, 
            itemsort
        );
        query.Add<StockMovement>(
            new Filter<StockMovement>(x=>x.Job.ID).IsEqualTo(Item.RequisitionLink.JobLink.ID)
                .And(x=>x.Type).IsEqualTo(StockMovementType.Issue),
            Columns.None<StockMovement>().Add(x=>x.JobRequisitionItem.ID).Add(x=>x.Issued)
        );    
        
        query.Query(q =>
        {
            try
            {
                var mvmts = q.Get<StockMovement>()?.Rows.Select(r => r.ToObject<StockMovement>()).ToArray();
                var _jobRequisitionItems = q.Get<JobRequisitionItem>()?.Rows.Select(r => r.ToObject<JobRequisitionItem>()).ToArray();

                if (mvmts is not null && _jobRequisitionItems is not null)
                {

                    foreach (var item in _jobRequisitionItems)
                    {

                        JobJRISummary summary = new JobJRISummary();
                        summary.JRI.ID = item.ID;
                        summary.JRI.Synchronise(item);
                        
                        summary.Required = item.Qty;
                        
                        var issues = mvmts.Where(x => x.JobRequisitionItem.ID == item.ID);
                        summary.Issued = issues.Sum(x => x.Issued);

                        if (summary.JRI.ID == Item.JobRequisitionItem.ID)
                            summary.Quantity = Item.Quantity;

                        summary.Cost = Item.Cost;
                        
                        Items.Add(summary);
                    }
                
                    table.LoadRows(Items);
                }

                action(table, null);
            }
            catch (Exception e)
            {
                Console.WriteLine(e);

            }
            
        });
        
    }

    private bool bFirst = true;

    protected override void OnAfterRefresh()
    {
        base.OnAfterRefresh();
        if (!bFirst)
            return;
        bFirst = false;
        
        SelectedRows = Data.Rows.Where(r => 
            r.Get<JobJRISummary, Guid>(c => c.JRI.ID) == Item.JobRequisitionItem.ID
        ).ToArray();
        if (SelectedRows.Any())
            ScrollIntoView(SelectedRows.First());
    }
    
    protected override DynamicGridColumns LoadColumns()
    {
        var columns = new DynamicGridColumns();
        columns.Add<JobJRISummary>(x => x.JRI.Requisition.Number, 50, "#", "", Alignment.MiddleCenter);
        columns.Add<JobJRISummary>(x => x.JRI.Requisition.Description, 200, "Requisition", "", Alignment.MiddleLeft);
        columns.Add<JobJRISummary>(x => x.JRI.Product.Code, 120, "Code", "", Alignment.MiddleCenter);
        columns.Add<JobJRISummary>(x => x.JRI.Product.Name, 0, "Name", "", Alignment.MiddleLeft);
        columns.Add<JobJRISummary>(x => x.JRI.Dimensions.UnitSize, 120, "Size", "", Alignment.MiddleCenter);
        columns.Add<JobJRISummary>(x => x.JRI.Style.Description, 150, "Style", "", Alignment.MiddleCenter);
        columns.Add<JobJRISummary>(x => x.Required, 100, "Required", "F2", Alignment.MiddleCenter);
        columns.Add<JobJRISummary>(x => x.Issued, 100, "Issued", "F2", Alignment.MiddleCenter);
        columns.Add<JobJRISummary>(x => x.Quantity, 100, "Quantity", "F2", Alignment.MiddleCenter);
        return columns;
    }

    protected override void Changed()
    {
        base.Changed();
        if (Item.ID != Guid.Empty && SelectedRows.Any())
        {
            foreach (var row in Data.Rows.Where(x=>x.Index != SelectedRows[0].Index))
            {
                if (!Items[row.Index].Quantity.IsEffectivelyEqual(0.0))
                {
                    row.Set<JobJRISummary, double>(x => x.Quantity, 0.0);
                    Items[row.Index].Quantity = 0.0;
                }
            }
            InvalidateGrid();
        }
    }
}