DemoExamUp/ExamTry/PartialAgent.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ExamTry
{
    public partial class Agent
    {
        public string GetImage
        {
            get
            {
                if (Logo == "")
                    return Environment.CurrentDirectory + "/agents/picture.png";
                else
                    return Environment.CurrentDirectory + Logo;
            }
        }
        public int GetProductionYear
        {
            get
            {
                int productYear = 0;
                List<ProductSale> Ps = BaseConnect.BaseModel.ProductSale.Where(x => ID == x.AgentID).ToList();
                foreach (var item in Ps)
                {
                    if (item.SaleDate.Year == DateTime.Now.Year)
                    {
                        productYear += item.ProductCount;
                    }

                }

                return productYear;
            }
        }

        public int GetProductionSale
        {
            get
            {
                int summAgent = 0;
                List<ProductSale> Ps = BaseConnect.BaseModel.ProductSale.Where(x => ID == x.AgentID).ToList();
                foreach (var item in Ps)
                {
                    int cost = (int)BaseConnect.BaseModel.Product.FirstOrDefault(x => x.ID == item.ProductID).MinCostForAgent;
                    summAgent += item.ProductID * cost;
                }
                if (summAgent > 0 && summAgent < 10000)
                {
                    return 0;
                };
                if (summAgent > 10000 && summAgent < 50000)
                {
                    return 5;
                };
                if (summAgent > 50000 && summAgent < 150000)
                {
                    return 10;
                };
                if (summAgent > 150000 && summAgent < 500000)
                {
                    return 20;
                };
                if (summAgent > 500000)
                {
                    return 25;
                };
                return 25;
            }
        }

        public bool greenSale { get => GetProductionSale == 25; }

    }
}