Stockinfo/StockInfo/frmMyStocks.cs

using StockDal.Interface;
using DataDomain;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using StockDAL.Interface;
// 
namespace StockInfo
{
    public partial class frmMyStocks : Form
    {
        Color hdrColor;
        private readonly IStockRepository _stockRepository;
        private readonly IStockMarketRepository _stockMarketRepository;
        public decimal BoughtSum { get; set; }
        public decimal TotalDiff { get; set; }
        public decimal CurrentSum { get; set; }
        public decimal TotalPlus { get; set; }
        public decimal TotalMinus { get; set; }

        public Dictionary<string, DiTraderStockRow> Stocks { get; set; }
        public IEnumerable<StockMember> CurrentStocks { get; set; }

        public frmMyStocks(IStockRepository stockRepository, IStockMarketRepository stockMarketRepository)
        {
            hdrColor = Color.CadetBlue;
            InitializeComponent();
            _stockRepository = stockRepository;
            _stockMarketRepository = stockMarketRepository;
            numericUpDown1.Value = timer1.Interval / 60000;
            numericUpDown1.Enabled = false;
        }


        private void ReloadData()
        {
            CurrentStocks = _stockRepository.GetAllRemainingStocks();
            lvMyStocks.Items.Clear();
            BoughtSum = 0m;
            TotalDiff = 0m;
            CurrentSum = 0m;
            TotalMinus = 0m;
            TotalPlus = 0m;
            var tmpStocks = new List<StockMember>();
            foreach (var stock in CurrentStocks)
            {
                stock.ActValue = Stocks[stock.StockId.Trim()].LatestPrice;
                stock.ActDate = DateTime.Today;
                _stockRepository.UpdateActualPrice(stock.Id, stock.ActValue);
                tmpStocks.Add(stock);
            }
            foreach(var stk in tmpStocks.OrderByDescending(s => s.PostAmount * (s.ActValue -s.BuyValue)))
            {
                AddItemToListView(stk);
            }

            txtBuyTotal.Text = BoughtSum.ToString();
            txtBuyTotal.Refresh();
            txtCurrValue.Text = CurrentSum.ToString();
            txtCurrValue.Refresh();
            txtTotDiff.Text = TotalDiff.ToString();
            if (TotalDiff < 0)
            {
                txtTotDiff.BackColor = Color.Pink;
            }
            else
            {
                txtTotDiff.BackColor = Color.LightGreen;
            }
            txtTotDiff.Refresh();
            txtTotalMinus.Text = TotalMinus.ToString();
            txtTotalMinus.Refresh();
            txtTotalPlus.Text = TotalPlus.ToString();
            txtTotalPlus.Refresh();


        }

        private void TotalReload()
        {
            _stockMarketRepository.LoadStockMarketList();
            Stocks = _stockMarketRepository.StockMarketList;
            ReloadData();
            lbUpdateTimes.Items.Add($"{DateTime.Now.ToLongTimeString()} - {txtTotDiff.Text.Substring(0, txtTotDiff.Text.Length-2)}");
        }

        private void lvMyStocks_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
        {
            using (Brush hBr = new SolidBrush(hdrColor))
            {
                e.Graphics.FillRectangle(hBr, e.Bounds);
                e.DrawText();
            }
        }

        private void AddItemToListView(StockMember currStock)
        {
            var lv = lvMyStocks.Items.Add(currStock.StockId);
            lv.SubItems.Add(currStock.BuyValue.ToString());
            var currValue = lv.SubItems.Add(currStock.ActValue.ToString());
            //var saveBcolor = currValue.BackColor;
            //var valueLevel = currStock.ActValue - currStock.BuyValue;
            //currValue.ForeColor = valueLevel > 5 ? Color.Red : saveBcolor;
            var priceDiff = currStock.ActValue - currStock.BuyValue;
            lv.SubItems.Add(priceDiff.ToString());
            lv.SubItems.Add(currStock.PostAmount.ToString());
            lv.SubItems.Add(currStock.BuyDate.ToString());
            var buyValue = currStock.PostAmount * currStock.BuyValue;
            var actValue = currStock.PostAmount * currStock.ActValue;
            var diffValue = actValue - buyValue;
            var diffproc = diffValue / buyValue * 100;
            BoughtSum += buyValue;
            TotalDiff += diffValue;
            CurrentSum += actValue;
            if (diffValue < 0)
            {
                TotalMinus += diffValue;
            }
            else
            {
                TotalPlus += diffValue;
            }
            var lvs = lv.SubItems.Add(diffValue.ToString());
            lv.SubItems.Add(Math.Round(diffproc, 2).ToString());
            lv.SubItems.Add(currStock.ActDate.ToString());
            lv.SubItems.Add(actValue.ToString());
            var owned = (DateTime.Today - currStock.BuyDate).TotalDays;
            lv.SubItems.Add(owned.ToString());
            if (diffValue < 0)
            {
                lv.BackColor = Color.Pink;
            }
            else
            {
                lv.BackColor = Color.LightGreen;
            }
        }

        private void frmMyStocks_Shown(object sender, EventArgs e)
        {
            ReloadData();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            TotalReload();
        }

        private void chkAutoReload_CheckedChanged(object sender, EventArgs e)
        {
            timer1.Enabled = chkAutoReload.Checked;
            numericUpDown1.Enabled = chkAutoReload.Checked;
        }

        private void numericUpDown1_ValueChanged(object sender, EventArgs e)
        {
            timer1.Interval = Convert.ToInt32(numericUpDown1.Value * 60000);
        }
    }
}