prs/prs.mobile/comal.timesheets/Modules/Warehousing/Receivals/PurchaseOrderPage.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Comal.Classes;
using InABox.Clients;
using InABox.Configuration;
using InABox.Core;
using InABox.Mobile;
using Plugin.Media;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;

namespace comal.timesheets
{
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class PurchaseOrderPage : BasePage
    {
        List<PurchaseOrderShell> purchaseOrderShells = new List<PurchaseOrderShell>();
        bool bLoading = true;
        List<string> filterOptions = new List<string>();
        bool firstLoad = true;
        public PurchaseOrderPage()
        {
            InitializeComponent();
            LoadList();
        }

        protected override void OnAppearing()
        {
            base.OnAppearing();
            if (!firstLoad)
                UpdateListWithNumberOfItems();
        }

        private async void LoadList()
        {
            await Task.Run(() =>
            {
                bLoading = true;
                purchaseOrderShells.Clear();
                filterOptions.Clear();
                filterOptions.Add("All");

                CoreTable table = QueryTable();
                while (table == null)
                    table = QueryTable();

                if (table.Rows.Any())
                {
                    foreach (CoreRow row in table.Rows)
                    {
                        List<object> list = row.Values;
                        if (list[0] == null) { list[0] = Guid.Empty; } //0
                        if (list[1] == null) { list[1] = ""; } //1
                        if (list[2] == null) { list[2] = DateTime.MinValue; } //2
                        if (list[3] == null) { list[3] = ""; } //3
                        if (list[4] == null) { list[4] = Guid.Empty; } //4
                        if (list[5] == null) { list[5] = ""; } //5
                        if (list[6] == null) { list[6] = ""; } //6

                        PurchaseOrderShell purchaseOrderShell = new PurchaseOrderShell()
                        {
                            ID = Guid.Parse(list[0].ToString()),
                            PONumber = list[1].ToString(),
                            DueDate = "Due: " + DateTime.Parse(list[2].ToString()).ToString("dd-MMMM-yy"),
                            Status = list[3].ToString(),
                            SupplierID = Guid.Parse(list[4].ToString()),
                            SupplierName = list[5].ToString(),
                            Notes = list[6].ToString()
                        };
                        if (!string.IsNullOrWhiteSpace(purchaseOrderShell.SupplierName))
                        {
                            if (!filterOptions.Contains(purchaseOrderShell.SupplierName))
                            {
                                filterOptions.Add(purchaseOrderShell.SupplierName);
                            }
                        }
                        purchaseOrderShells.Add(purchaseOrderShell);
                    }
                    firstLoad = false;
                    Device.BeginInvokeOnMainThread(() =>
                    {
                        searchEnt.Text = "";
                        filterOptionsControl.Options = filterOptions;
                        filterOptionsControl.CreateRadioButtonsAndSetDefault(filterOptions.First());
                        purchaseOrderListView.ItemsSource = purchaseOrderShells;
                        filterOptionsControl.OnFilterOptionChanged += FilterOptionsControl_OnFilterOptionChanged;
                        bLoading = false;
                    });
                    UpdateListWithNumberOfItems();
                }
            });
        }

        private CoreTable QueryTable()
        {
            try
            {
                return new Client<PurchaseOrder>().Query
                        (
                        new Filter<PurchaseOrder>(x => x.ClosedDate).IsEqualTo(DateTime.MinValue),
                        new Columns<PurchaseOrder>(
                            x => x.ID, //0
                            x => x.PONumber, //1
                            x => x.DueDate, //2
                            x => x.Status, //3
                            x => x.SupplierLink.ID, //4
                            x => x.SupplierName, //5
                            x => x.Notes //6
                            ),
                        new SortOrder<PurchaseOrder>(x => x.DueDate, SortDirection.Descending)
                        );
            }
            catch (Exception ex)
            {
                InABox.Mobile.MobileLogging.Log(ex);
                return null;
            }
        }

        private void UpdateListWithNumberOfItems()
        {
            Task.Run(() =>
            {
                List<PurchaseOrderShell> toAdd = new List<PurchaseOrderShell>();
                foreach (PurchaseOrderShell shell1 in purchaseOrderShells)
                {
                    shell1.Items = 0;
                }
                CoreTable table = new Client<PurchaseOrderItem>().Query(new Filter<PurchaseOrderItem>(x => x.ReceivedDate).IsEqualTo(DateTime.MinValue),
                    new Columns<PurchaseOrderItem>(x => x.PurchaseOrderLink.ID));
                foreach (CoreRow row in table.Rows)
                {
                    if (purchaseOrderShells.Contains(purchaseOrderShells.Find(x => x.ID == Guid.Parse(row.Values[0].ToString()))))
                    {
                        PurchaseOrderShell shell = purchaseOrderShells.Find(x => x.ID == Guid.Parse(row.Values[0].ToString()));
                        shell.Items++;
                        shell.NumberOfItems = "Number of Items Unreceived: " + shell.Items;
                        if (!toAdd.Contains(shell))
                            toAdd.Add(shell);
                    }
                }
                purchaseOrderShells.Clear();
                foreach (PurchaseOrderShell shell2 in toAdd)
                {
                    purchaseOrderShells.Add(shell2);
                }

                Device.BeginInvokeOnMainThread(() =>
                {
                    purchaseOrderListView.ItemsSource = null;
                    if (!string.IsNullOrWhiteSpace(searchEnt.Text))
                    {
                        RunSearch();
                    }
                    else
                    {
                        if (filterOptionsControl.CurrentOption == "All")
                        {
                            purchaseOrderListView.ItemsSource = purchaseOrderShells;
                            listCountLbl.Text = "Number of items in list: " + purchaseOrderShells.Count;
                        }
                        else
                        {
                            var list = purchaseOrderShells.Where(x => x.SupplierName.Equals(filterOptionsControl.CurrentOption));
                            purchaseOrderListView.ItemsSource = list;
                            listCountLbl.Text = "Number of items in list: " + list.Count();
                        }
                    }
                });
            });
        }

        private void FilterOptionsControl_OnFilterOptionChanged(string filterOption)
        {
            if (filterOption == filterOptionsControl.CurrentOption)
                return;

            bLoading = true;
            searchEnt.Text = "";
            bLoading = false;

            filterOptionsControl.CurrentOption = filterOption;
            if (filterOption == "All")
            {
                purchaseOrderListView.ItemsSource = purchaseOrderShells;
                listCountLbl.Text = "Number of items in list: " + purchaseOrderShells.Count;
            }
            else
            {
                var list = purchaseOrderShells.Where(x => x.SupplierName.Equals(filterOption));
                purchaseOrderListView.ItemsSource = list;
                listCountLbl.Text = "Number of items in list: " + list.Count();
            }
        }

        private async void PurchaseOrder_Clicked(object sender, EventArgs e)
        {
            PurchaseOrderShell purchaseOrderShell = purchaseOrderListView.SelectedItem as PurchaseOrderShell;
            Receivals receivalsPage = new Receivals(purchaseOrderShell.ID, purchaseOrderShell.PONumber, purchaseOrderShell.SupplierID);
            Navigation.PushAsync(receivalsPage);
        }

        private void SearchEnt_Changed(object sender, EventArgs e)
        {
            if (bLoading)
                return;
            if (!string.IsNullOrWhiteSpace(searchEnt.Text))
            {
                RunSearch();
            }
            else
            {
                listCountLbl.Text = "Number of items in list: " + purchaseOrderShells.Count;
                purchaseOrderListView.ItemsSource = purchaseOrderShells;
            }
        }

        private async void RunSearch()
        {
            await Task.Run(() =>
            {
                List<PurchaseOrderShell> searchList = new List<PurchaseOrderShell>();
                if (filterOptionsControl.CurrentOption == "All")
                {
                    searchList = purchaseOrderShells;
                }
                else
                {
                    var newList = purchaseOrderShells.Where(x => x.SupplierName.Equals(filterOptionsControl.CurrentOption));
                    foreach (var shell in newList)
                    {
                        searchList.Add(shell);
                    }
                }

                var list = searchList.Where(x =>
                x.PONumber.Contains(searchEnt.Text) || x.PONumber.Contains(UpperCaseFirst(searchEnt.Text)) || x.PONumber.Contains(searchEnt.Text.ToLower()) || x.PONumber.Contains(searchEnt.Text.ToUpper()) ||
                x.Notes.Contains(searchEnt.Text) || x.Notes.Contains(UpperCaseFirst(searchEnt.Text)) || x.Notes.Contains(searchEnt.Text.ToLower()) || x.Notes.Contains(searchEnt.Text.ToUpper()) ||
                x.SupplierName.Contains(searchEnt.Text) || x.SupplierName.Contains(UpperCaseFirst(searchEnt.Text)) || x.SupplierName.Contains(searchEnt.Text.ToLower()) || x.SupplierName.Contains(searchEnt.Text.ToUpper()) ||
                x.Status.Contains(searchEnt.Text) || x.Status.Contains(UpperCaseFirst(searchEnt.Text)) || x.Status.Contains(searchEnt.Text.ToLower()) || x.Status.Contains(searchEnt.Text.ToUpper()) ||
                x.DueDate.Contains(searchEnt.Text) || x.DueDate.Contains(UpperCaseFirst(searchEnt.Text)) || x.DueDate.Contains(searchEnt.Text.ToLower()) || x.DueDate.Contains(searchEnt.Text.ToUpper())
                );
                Device.BeginInvokeOnMainThread(() =>
                {
                    listCountLbl.Text = "Number of items in list: " + list.Count();
                    purchaseOrderListView.ItemsSource = list;
                });
            });
        }
        static String UpperCaseFirst(string s)
        {
            char[] a = s.ToCharArray();
            a[0] = char.ToUpper(a[0]);
            return new string(a);
        }
    }

    public class PurchaseOrderShell
    {
        public Guid ID { get; set; }
        public string PONumber { get; set; }
        public string DueDate { get; set; }
        public string Status { get; set; }
        public Guid SupplierID { get; set; }
        public string SupplierName { get; set; }
        public string Notes { get; set; }
        public int Items { get; set; }
        public string NumberOfItems { get; set; }
        public PurchaseOrderShell()
        {
            ID = Guid.Empty;
            PONumber = "";
            DueDate = "";
            Status = "";
            SupplierID = Guid.Empty;
            SupplierName = "";
            Notes = "";
            Items = 0;
            NumberOfItems = "";
        }
    }
}