StockHistory/StockHistory/frmStockHistoryAnalyse.cs

using StockHistory.Models;
using StockHistory.Services;
using System.Diagnostics;

namespace StockHistory;

public partial class frmStockHistoryAnalyse : Form
{
    private readonly IStockEquityServices _equityServices;

    public frmStockHistoryAnalyse(IStockEquityServices equityServices)
    {
        InitializeComponent();
        _equityServices = equityServices;
        lwStocks.EnableSmartSorting();

    }

    private void btnGenerateStockScheme_Click(object sender, EventArgs e)
    {
        _equityServices.GenerateStockVision().Wait();
        dtpChosenDate.Value = DateTime.Today;
        LoadStockListAsync(dtpChosenDate.Value).Wait();
    }

    private void btnClose_Click(object sender, EventArgs e)
    {
        this.Hide();
    }

    private void dtpChosenDate_ValueChanged(object sender, EventArgs e)
    {
        LoadStockListAsync(dtpChosenDate.Value).Wait();
    }

    private async Task LoadStockListAsync(DateTime equityDate)
    {

        var stocks = await _equityServices.GetAllAsync(equityDate);
        // var stocks = await _equityServices.GetAllAsync();

        lwStocks.Items.Clear();
        var dTotal = stocks.Sum(s => s.BoughtPrice * s.Quantity);
        lblTotalValue.Text = dTotal.ToString("C");
        EquityTemp equityTemp = new EquityTemp
        {
            StockCode = "Total",
            Bought = DateTime.MinValue,
            BoughtPrice = 0,
            Quantity = 0
        };

        foreach (var t in stocks.OrderBy(s => s.StockCode + s.Bought).ToList())
        {
            if (t.StockCode != equityTemp.StockCode)
            {
                if (equityTemp.StockCode != "Total")
                {
                    var item = new ListViewItem(equityTemp.StockCode);
                    item.SubItems.Add(equityTemp.Bought.ToString());
                    item.SubItems.Add(equityTemp.Quantity.ToString());
                    item.SubItems.Add(equityTemp.BoughtPrice.ToString());
                    item.SubItems.Add((equityTemp.TotalValue).ToString("C"));
                    lwStocks.Items.Add(item);
                }
                equityTemp.StockCode = t.StockCode;
                equityTemp.Bought = t.Bought;
                equityTemp.Quantity = t.Quantity;
                equityTemp.BoughtPrice = t.BoughtPrice;
                continue;
            }
            else
            {
                if (t.Bought < equityTemp.Bought)
                    equityTemp.Bought = t.Bought;
                if (t.BoughtPrice < equityTemp.BoughtPrice || equityTemp.BoughtPrice == 0)
                    equityTemp.BoughtPrice = t.BoughtPrice;
                equityTemp.Quantity += t.Quantity;
            }

        }
        var l_item = new ListViewItem(equityTemp.StockCode);
        l_item.SubItems.Add(equityTemp.Bought.ToString());
        l_item.SubItems.Add(equityTemp.Quantity.ToString());
        l_item.SubItems.Add(equityTemp.BoughtPrice.ToString());
        l_item.SubItems.Add((equityTemp.TotalValue).ToString("C"));
        lwStocks.Items.Add(l_item);
    }

    protected override void OnVisibleChanged(EventArgs e)
    {
        base.OnVisibleChanged(e);
        if (this.Visible)
        {
            dtpChosenDate.Value = DateTime.Today;
            LoadStockListAsync(dtpChosenDate.Value).Wait();
        }
    }

    private void btnStockHistory_Click(object sender, EventArgs e)
    {

    }

    private void lwStocks_MouseClick(object sender, MouseEventArgs e)
    {
        if (lwStocks.SelectedItems.Count > 0)
        {
            var item = lwStocks.SelectedItems[0];
            LoadHistoryRecsAsync(item.Text).Wait();
        }
    }
    private async Task LoadHistoryRecsAsync(string stockName) //, DateTime equityDate)
    {
        //MessageBox.Show("Du klickade på: " + item.Text);
        var result = _equityServices.GetByCodeAsync(stockName);
        if (result != null)
        {
            lwStockHistory.Items.Clear();
            foreach (var histRec in await result)
            {
                var l_item = new ListViewItem(histRec.StockCode);
                l_item.SubItems.Add(histRec.Bought.ToString());
                l_item.SubItems.Add(histRec.Quantity.ToString());
                l_item.SubItems.Add(histRec.BoughtPrice.ToString());
                Debug.WriteLine(histRec.ToString());
                var totval = (histRec.SoldQuant > 0) ? histRec.SoldQuant * histRec.SoldPrice - histRec.BoughtPrice * histRec.Quantity : histRec.BoughtPrice * histRec.Quantity;
                l_item.SubItems.Add((totval).ToString("C"));
                l_item.SubItems.Add((histRec.SoldQuant > 0) ? "B" : "K");
                lwStockHistory.Items.Add(l_item);
            }
        }
        lwStockHistory.Refresh();
    }

}