Interface Transfer is mark done

Homeworks.sln

@@ -151,9 +151,15 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "N18_1", "N18_1\N18_1.csproj
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "N19", "N19", "{5D0A5ACF-8665-4299-8A8E-D79498D3D059}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "N19_1", "N19_1\N19_1.csproj", "{96392CE8-A652-4D1D-BD85-09B29E96B12C}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "N19_1", "N19_1\N19_1.csproj", "{96392CE8-A652-4D1D-BD85-09B29E96B12C}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "N19_2", "N19_2\N19_2.csproj", "{3ED5EB28-7030-4269-9EAF-AC34BC23A51D}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "N19_2", "N19_2\N19_2.csproj", "{3ED5EB28-7030-4269-9EAF-AC34BC23A51D}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "N21", "N21", "{1B9C8189-61EE-400A-9EF2-5711CDBC0211}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "N21_Interface", "N21_Interface", "{1E3B46C5-6289-417F-94BE-45CE100A96F6}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "N21_Interface1", "N21_Interface1\N21_Interface1.csproj", "{F26AE334-DB40-46DF-AB84-0D9AD2FE74B5}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -301,6 +307,10 @@ Global
 		{3ED5EB28-7030-4269-9EAF-AC34BC23A51D}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3ED5EB28-7030-4269-9EAF-AC34BC23A51D}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3ED5EB28-7030-4269-9EAF-AC34BC23A51D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F26AE334-DB40-46DF-AB84-0D9AD2FE74B5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F26AE334-DB40-46DF-AB84-0D9AD2FE74B5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F26AE334-DB40-46DF-AB84-0D9AD2FE74B5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F26AE334-DB40-46DF-AB84-0D9AD2FE74B5}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -363,6 +373,8 @@ Global
 		{CDF49DFE-F765-4582-A415-7FCE7BB26FE6} = {2D7CB3B4-5800-4F9D-B995-0989DC4898B7}
 		{96392CE8-A652-4D1D-BD85-09B29E96B12C} = {5D0A5ACF-8665-4299-8A8E-D79498D3D059}
 		{3ED5EB28-7030-4269-9EAF-AC34BC23A51D} = {5D0A5ACF-8665-4299-8A8E-D79498D3D059}
+		{1E3B46C5-6289-417F-94BE-45CE100A96F6} = {1B9C8189-61EE-400A-9EF2-5711CDBC0211}
+		{F26AE334-DB40-46DF-AB84-0D9AD2FE74B5} = {1E3B46C5-6289-417F-94BE-45CE100A96F6}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {8B77269B-B20D-4860-9637-2E2771096EE6}

N21_Interface1/Cards/KapitalUzcard.cs

@@ -0,0 +1,29 @@
+using N21_Interface1.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace N21_Interface1.Cards
+{
+    internal class KapitalUzcard : IDebitCard
+    {
+        public string CardNumber { get; set; }
+        public string BankName { get; init; }
+        public double Balance { get; set; }
+
+        public KapitalUzcard(string cardnumber, string bankname, double balance = 0)
+        {
+            if (string.IsNullOrWhiteSpace(cardnumber))
+                throw new ArgumentException("Invalid card number");
+            if (string.IsNullOrWhiteSpace(bankname))
+                throw new ArgumentException("Invalid Bank name");
+            if (balance < 0)
+                throw new ArgumentException("Balanced not used ");
+            CardNumber = cardnumber;
+            BankName = bankname;
+            Balance = balance;
+        }
+    }
+}

N21_Interface1/Cards/MilliyHumo.cs

@@ -0,0 +1,29 @@
+using N21_Interface1.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace N21_Interface1.Cards
+{
+    internal class MilliyHumo : IDebitCard
+    {
+        public  string CardNumber { get; set; }
+        public string BankName { get; init; }
+        public double Balance { get; set; }
+
+        public MilliyHumo(string cardnumber, string bankname,double balance = 0) 
+        {
+            if (cardnumber.Length < 16 || string.IsNullOrWhiteSpace(cardnumber))
+                throw new ArgumentException("Invalid card number");
+            if (string.IsNullOrWhiteSpace(bankname))
+                throw new ArgumentException("Invalid Bank name");
+            if (balance < 0)
+                throw new ArgumentException("Balanced not used ");
+            CardNumber = cardnumber;
+            BankName = bankname;
+            Balance = balance;
+        }
+    }
+}

N21_Interface1/Interfaces/IDebitCard.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace N21_Interface1.Interfaces
+{
+    public interface IDebitCard
+    {
+        public string CardNumber { get; set; }
+        public string BankName { get; init; }
+        public double Balance { get; set; }
+
+
+    }
+}

N21_Interface1/Interfaces/IPaymentProvider.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace N21_Interface1.Interfaces
+{
+    public interface IPaymentProvider
+    {
+        public double TransferInterest { get; init; }
+        public bool Transfer(IDebitCard sourcecard,  IDebitCard destinationcard, in double amount) { return false; }
+
+
+    }
+}

N21_Interface1/N21_Interface1.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

N21_Interface1/OnlineMarket.cs

@@ -0,0 +1,56 @@
+using N21_Interface1.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using static System.Runtime.InteropServices.JavaScript.JSType;
+using System.Xml.Linq;
+using N21_Interface1.Cards;
+namespace N21_Interface1
+{
+    public class OnlineMarket
+    {
+        private  IDebitCard BankAccount = new KapitalUzcard("OnlaynBankCard", "Hamkorbank", 0);
+        private readonly IPaymentProvider _paymentProvider;
+        private readonly List<Product> _products;
+        public OnlineMarket(IPaymentProvider paymentProvider)
+        {
+
+            _paymentProvider = paymentProvider; 
+            _products = new List<Product>();
+
+        }
+
+        public void Add(Product product)
+        {
+            _products.Add(product);
+        }
+        //Buy(name, number, card ) - product lar ichidan berilgan nomdagi produktni berilgan sonda hisoblab,
+        //    kartadan pul yechishni payment provider orqali amalga oshirsin
+        public void Buy(string name, int number, IDebitCard card)
+        {
+            foreach (Product product in _products)
+            {
+                if(product.Name.Equals(name, StringComparison.OrdinalIgnoreCase))
+                {
+                    try
+                    {
+                        if(_paymentProvider.Transfer( card, BankAccount, product.Price * number))
+                        {
+                            Console.WriteLine("harid muvaffaqiyatli amalga oshirildi");
+                        }
+                        else { throw new ArgumentNullException("Mahsulot sotib olish uchun yetarli mablag' mavjud emas"); }
+
+                    }
+                    catch(ArgumentNullException arg)
+                    {
+                        Console.WriteLine(arg.Message);
+                    }
+
+                }
+            }
+        }
+
+    }
+}

N21_Interface1/Product.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace N21_Interface1
+{
+    public class Product
+    {
+        public string Name { get; set; }
+        public double Price { get; set; }
+
+        public Product(string name, double price)
+        {
+            if(!string.IsNullOrWhiteSpace( name))
+                Name = name;
+            if(price > 0)
+                Price = price;
+        }
+    }
+}

N21_Interface1/Program.cs

@@ -0,0 +1,52 @@
+
+//dasturda o'zingiz xohlagan payment provider ( KapitalUzcard, MillyHumo ) dan instance ( object ) yarating
+//- OnlineMarket dan o'sha provider bilan instance yarating
+//- Product dam bir nechta instance yarating va OnlineMarket ga qo'shing
+//- o'zingiz xohlagan kartadan ( KapitalUzcard yoki MillyHumo ) instance yarating 
+//- bir nechta produktlarni sotib olish operatsiyasini OnlineMarket orqali bajaring
+//- kartada qolgan summani ekranga chiqaring
+
+
+using N21_Interface1;
+using N21_Interface1.Cards;
+using N21_Interface1.Interfaces;
+using N21_Interface1.Providers;
+
+IPaymentProvider Payme = new PaymePaymentProvider();
+//IPaymentProvider Uzum = new UzumPaymentProvider();
+
+
+
+var OnlaynMarket1 = new OnlineMarket(Payme);
+//var OnlaynMarket2 = new OnlineMarket(Uzum);
+Product product1 = new Product("Cola", 1000);
+Product product2 = new Product("Pepsi", 1200);
+Product product3 = new Product("Qurt", 500);
+Product product4 = new Product("zizi", 5000);
+Product product5 = new Product("Parashok", 14000);
+
+OnlaynMarket1.Add(product1);
+OnlaynMarket1.Add(product2);
+OnlaynMarket1.Add(product3);
+OnlaynMarket1.Add(product4);
+OnlaynMarket1.Add(product5);
+
+IDebitCard uzcard = new KapitalUzcard("12234567890123654", "Hamkorbank", 2000000);
+IDebitCard humo = new MilliyHumo("11111211111111111", "Agrobank", 5000000);
+
+OnlaynMarket1.Buy("Cola", 3, uzcard);
+Console.WriteLine($"Kartadagi mablag': " + uzcard.Balance);
+OnlaynMarket1.Buy("zizi", 3, uzcard);
+Console.WriteLine($"Kartadagi mablag': " + uzcard.Balance);
+OnlaynMarket1.Buy("parashok", 3, uzcard);
+Console.WriteLine($"Kartadagi mablag': " + uzcard.Balance);
+OnlaynMarket1.Buy("qurt", 3, uzcard);
+
+
+
+
+
+
+
+
+

N21_Interface1/Providers/PaymePaymentProvider.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using N21_Interface1.Interfaces;
+
+namespace N21_Interface1.Providers
+{
+    public class PaymePaymentProvider : IPaymentProvider
+    {
+        public double TransferInterest { get; init; }
+
+
+        public PaymePaymentProvider(double transferinterest = 1)
+        {
+            TransferInterest = transferinterest;
+        }
+
+
+        public bool Transfer(IDebitCard sourcecard, IDebitCard destinationcard, in double amount)
+        {
+            if (amount <= 0 || sourcecard.Balance < amount + (amount / 100 * TransferInterest) || sourcecard.Balance <= 0)
+            {
+                return false;
+            }
+            else
+            {
+                sourcecard.Balance -= amount + (amount / 100 * TransferInterest);
+                destinationcard.Balance += amount;
+                return true;
+            }
+        }
+    }
+}

N21_Interface1/Providers/UzumPaymentProvider.cs

@@ -0,0 +1,35 @@
+using N21_Interface1.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace N21_Interface1.Providers
+{
+    public class UzumPaymentProvider : IPaymentProvider
+    {
+        public double TransferInterest { get; init; }
+
+
+        public UzumPaymentProvider(double transferinterest = 0.5)
+        {
+            TransferInterest = transferinterest;
+        }
+
+
+        public bool Transfer(IDebitCard sourcecard,  IDebitCard destinationcard, in double amount) 
+        {
+            if(amount <= 0 || sourcecard.Balance < amount + (amount / 100 * TransferInterest) || sourcecard.Balance <= 0)
+            {   
+                return false;
+            }
+            else
+            {
+                sourcecard.Balance -= amount + (amount / 100 * TransferInterest);
+                destinationcard.Balance += amount;
+                return true;
+            }
+        }
+    }
+}