beginning of model user and enum priority

MCTG/MCTGLib/Priority.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MCTGLib
+{
+    /// <summary>
+    /// This is the list of priorities that user can define in his profil. Priorities
+    /// are also present in recipes to match the first user's priority with the recipe's priority.
+    /// </summary>
+    public class Priority
+    {
+        enum UserPriority { Economic, Fast, Easy, Light, Gourmet };
+    }
+}

MCTG/MCTGLib/User.cs

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+using System;
+using System.Collections.Generic;
+using System.Collections;
+using System.Collections.ObjectModel;
+using System.Threading.Tasks;
+
+namespace MCTGLib
+{
+    /// <summary>
+    /// A user is an entity with a name, a surname, mail, profilePict and a list of priority.
+    /// This user can login with a Id and password
+    /// </summary>
+    public class User 
+    {
+        #region Private Attributes
+
+        private string Name;
+        private string Surname;
+        private string Mail;
+        ///private ICollection<Priority> _priorities = new List<Priority>();
+
+        #endregion
+
+        #region Public Properties
+        /// <summary>
+        /// User's Name
+        /// </summary>
+
+        private string picture;
+        public string ProfilPict
+        {
+            get => picture;
+            set
+            {
+                picture = value;
+                if (picture == null)
+                {
+                    picture = "PhotoParDefaut";
+                }
+            }
+          
+        }
+         
+        #endregion
+
+
+        #region Constructors
+
+        /// <summary>
+        /// Construtors of user.
+        /// </summary>
+        public User(string name, string surname, string mail, params Priority[] priorities ) 
+        {
+            Name = name;
+            Surname = surname;
+            Mail = mail;
+            ///_priorities = new List<Priority>(priorities);
+        }
+
+        #endregion
+
+
+    }
+}