changes on passmgr hasher for a permanent one - add user ok

MCTG/ConsoleApp/Menu/AddRecipeMenu.cs

@@ -45,8 +45,7 @@ namespace ConsoleApp.Menu
                 preparationSteps: steps.ToArray()
             );
 
-
-            masterMgr.DataMgr.Data[nameof(Recipe)].Add(recipe);
+            masterMgr.AddRecipe(recipe);
             return null;
         }
     }

MCTG/ConsoleApp/Menu/AddUserMenu.cs

@@ -0,0 +1,44 @@
+using ConsoleApp.Menu.Core;
+using Model;
+using Model.Managers;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp.Menu
+{
+    internal class AddUserMenu : Entry
+    {
+        MasterManager masterMgr;
+
+        public AddUserMenu(MasterManager masterManager)
+            : base("Add Manager",
+                  new Entry.EntryStep("Mail: ", typeof(string)),
+                  new Entry.EntryStep("Name: ", typeof(string)),
+                  new Entry.EntryStep("Surname: ", typeof(string)),
+                  new Entry.EntryStep("Password: ", typeof(string), true))
+        {
+            masterMgr = masterManager;
+        }
+
+        public override IMenu? Return()
+        {
+            string mail = _selectList[0].Item.Input;
+            string name = _selectList[1].Item.Input;
+            string surname = _selectList[2].Item.Input;
+            string passwd = _selectList[3].Item.Input;
+
+            User user = new User(
+                name: name,
+                surname: surname,
+                mail: mail,
+                password: passwd
+            );
+
+            masterMgr.Register(user);
+            return null;
+        }
+    }
+}

MCTG/ConsoleApp/Menu/ExportRecipeMenu.cs

@@ -0,0 +1,40 @@
+using ConsoleApp.Menu.Core;
+using Model.Managers;
+using Model;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp.Menu
+{
+    internal class ExportRecipeMenu : SearcherRecipe
+    {
+        public ExportRecipeMenu(MasterManager masterManager)
+            : base(masterManager)
+        {
+        }
+
+        public override IMenu? Return()
+        {
+            if (CurrentSelected is null)
+                throw new ArgumentNullException();
+
+            Recipe recipe = CurrentSelected;
+
+            try
+            {
+                _masterMgr.DataMgr.Export(recipe, "");
+            }
+            catch (ArgumentNullException e)
+            {
+                Console.ForegroundColor = ConsoleColor.Red;
+                Console.WriteLine("error: " + e.Message);
+                Console.ResetColor();
+                return this;
+            }
+            return null;
+        }
+    }
+}

MCTG/ConsoleApp/Menu/ImportRecipeMenu.cs

@@ -0,0 +1,40 @@
+using ConsoleApp.Menu.Core;
+using Model;
+using Model.Managers;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp.Menu
+{
+    internal class ImportRecipeMenu : Entry
+    {
+        MasterManager masterMgr;
+
+        public ImportRecipeMenu(MasterManager masterManager)
+            : base("Import recipe",
+                  new Entry.EntryStep("Path file: ", typeof(string)))
+        {
+            masterMgr = masterManager;
+        }
+
+        public override IMenu? Return()
+        {
+            string path = _selectList[0].Item.Input;
+            try
+            {
+                masterMgr.DataMgr.Import<Recipe>(path);
+            }
+            catch(ArgumentNullException e)
+            {
+                Console.ForegroundColor = ConsoleColor.Red;
+                Console.WriteLine("error: " + e.Message);
+                Console.ResetColor();
+                return this;
+            }
+            return null;
+        }
+    }
+}

MCTG/ConsoleApp/Menu/MainMenu.cs

@@ -30,6 +30,13 @@ namespace ConsoleApp.Menu
 
             _allSelectors.Add(
                 new Selector<IMenu>(new AddRecipeMenu(masterManager), "Add recipe"));
+            _allSelectors.Add(
+                new Selector<IMenu>(new AddUserMenu(masterManager), "Add user"));
+
+            _allSelectors.Add(
+                new Selector<IMenu>(new ImportRecipeMenu(masterManager), "Import recipe"));
+            _allSelectors.Add(
+                new Selector<IMenu>(new ExportRecipeMenu(masterManager), "Export recipe"));
         }
 
         protected override List<Selector<IMenu>> SearchInSelection()

MCTG/DataPersistence/DataContractXML.cs

@@ -48,7 +48,8 @@ namespace DataPersistence
                         typeof(Review),
                         typeof(User),
                         typeof(Ingredient),
-                        typeof(Quantity)
+                        typeof(Quantity),
+                        typeof(PasswordManager)
                     },
                     PreserveObjectReferences = true
                 };

MCTG/Model/User/IPasswordManager.cs

@@ -8,8 +8,8 @@ namespace Model
 {
     public interface IPasswordManager
     {
-        public int HashPassword(string password);
-        public bool VerifyPassword(int hashedPassword,string password);
+        public string HashPassword(string password);
+        public bool VerifyPassword(string hashedPassword,string password);
 
     }
 }

MCTG/Model/User/PasswordManager.cs

@@ -1,27 +1,34 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
+using System.Security.Cryptography;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace Model
 {
+    [DataContract(Name = "passmgr")]
     public class PasswordManager : IPasswordManager
     {
-
-        public int HashPassword(string password)
+        public string HashPassword(string password)
         {
-            int hashedPassword = password.GetHashCode();
-            return hashedPassword;
+            byte[] data;
+            using (SHA256 sha256Hash = SHA256.Create())
+                data = sha256Hash.ComputeHash(Encoding.UTF8.GetBytes(password));
+
+            var sb = new StringBuilder();
+            foreach (byte b in data) sb.Append(b.ToString("x2"));
+
+            return sb.ToString();
         }
 
-        public bool VerifyPassword(int hashedPassword, string passwordEntered )
+        public bool VerifyPassword(string hashedPassword, string passwordEntered)
         {
-            int passwordEnteredHashed = passwordEntered.GetHashCode();
-            if ( passwordEnteredHashed == hashedPassword)
-                return true;
-            else return false;
+            string hashedInput = HashPassword(passwordEntered);
+            StringComparer strcmp = StringComparer.OrdinalIgnoreCase;
 
+            return strcmp.Compare(hashedPassword, hashedInput) == 0;
         }
     }
 }

MCTG/Model/User/User.cs

@@ -25,7 +25,7 @@ namespace Model
         [DataMember] private string surname="";
         [DataMember] private string mail = "";
         [DataMember] private string picture = "";
-        [DataMember] private int password ;
+        [DataMember] private string password = "";
         [DataMember] private List<Priority> priorities;
 
         public event PropertyChangedEventHandler? PropertyChanged;
@@ -81,7 +81,7 @@ namespace Model
             }
         }
 
-       public int Password
+       public string Password
         {
             get =>  password; 
             set => password = value;
@@ -141,6 +141,7 @@ namespace Model
             return $"{Name} {Surname}"; 
         }
 
+        [DataMember(Name = "passmgr")]
         public IPasswordManager psswMgr { get; private set; }
 
 
@@ -156,7 +157,7 @@ namespace Model
         /// <param name="mail">The user needs an email to login.</param>
         /// <param name="password">The password of the new user.</param>
         /// <param name="passwordManager">The password manager to manage the user password.</param>
-        public User(string name, string surname, string mail, string password, IPasswordManager passwordManager )
+        public User(string name, string surname, string mail, string password, IPasswordManager passwordManager)
         {
             Name = name;
             Surname = surname;