Biskilog_Accounting/Client/Pages/Dashboard/Elements/WelcomeCard.razor.cs

using Biskilog_Accounting.Shared.CustomModels;
using Microsoft.AspNetCore.Components;

namespace Biskilog_Accounting.Client.Pages.Dashboard.Elements
{
    public partial class WelcomeCard
    {
        [Parameter]
        public string Username { get; set; } = string.Empty;

        [Parameter]
        public TradeSummary TradeSummary { get; set; } = new TradeSummary();
        [Parameter]
        public bool IsLoading { get; set; } = true;
        private string m_remarks { get; set; } = "";
        private string m_currentTrade { get; set; } = string.Empty;
        private string m_previousTrade { get; set; } = string.Empty;

        protected override void OnParametersSet()
        {
            CalculateStatistic();
        }
        private void CalculateStatistic()
        {
            if (TradeSummary.CurrentTradeDate != DateTime.Today)
            {
                m_currentTrade = $"most recent trade date ({TradeSummary.CurrentTradeDate.ToString("dd MMM,yyy")})";
            }
            else
            {
                m_currentTrade = "current trade";
            }

            if (TradeSummary.LastTradeDate != DateTime.Today.AddDays(-1))
            {
                m_previousTrade = $"previous trade date ({TradeSummary.LastTradeDate.ToString("dd MMM,yyy")})";
            }
            else
            {
                m_previousTrade = "previous trade";
            }

            double change = ((TradeSummary.CurrentTradeSales - TradeSummary.LastTradeSales) / TradeSummary.LastTradeSales) * 100;
            if (TradeSummary.CurrentTradeSales > TradeSummary.LastTradeSales)
            {
                string changePercent = change.ToString("0.00") + "%";
                m_remarks = $"You made a total of {m_calculator.FormatMoneyWithCurrency(TradeSummary.CurrentTradeSales)} in the {m_currentTrade}, {changePercent} more than the sales in the {m_previousTrade}";
            }
            else if (TradeSummary.LastTradeSales > TradeSummary.CurrentTradeSales)
            {
                string changePercent = (change * -1).ToString("0.00") + "%";
                m_remarks = $"You made a total of {m_calculator.FormatMoneyWithCurrency(TradeSummary.CurrentTradeSales)} in the {m_currentTrade}, {changePercent} less than the sales in the {m_previousTrade}";
            }
            else
            {
                m_remarks = $"You made a total of {m_calculator.FormatMoneyWithCurrency(TradeSummary.CurrentTradeSales)} in the {m_currentTrade}, same as the sales in the {m_previousTrade}";
            }
            StateHasChanged();
        }
    }
}