6 files changed, 3 insertions, 22 deletions

diff --git a/ApartmentManager/ApartmentManager/Model/Apartment.cs b/ApartmentManager/ApartmentManager/Model/Apartment.cs
index a32c081..3096214 100644
--- a/ApartmentManager/ApartmentManager/Model/Apartment.cs
+++ b/ApartmentManager/ApartmentManager/Model/Apartment.cs
@@ -14,8 +14,6 @@ namespace ApartmentManager.Model
         public string Address { get; set; }
         private string _planPicture;
 
-        public Apartment() { }
-
         public string PlanPicture
         {
             get => _planPicture;
diff --git a/ApartmentManager/ApartmentManager/Model/ApartmentChange.cs b/ApartmentManager/ApartmentManager/Model/ApartmentChange.cs
index 640112c..608db89 100644
--- a/ApartmentManager/ApartmentManager/Model/ApartmentChange.cs
+++ b/ApartmentManager/ApartmentManager/Model/ApartmentChange.cs
@@ -7,7 +7,7 @@ using System.Runtime.CompilerServices;
 
 namespace ApartmentManager
 {
-    public class ApartmentChange
+    public class ApartmentChange : INotifyPropertyChanged
     {
         public int ChangeId { get; set; }
         public int ApartmentId { get; set; }
diff --git a/ApartmentManager/ApartmentManager/Model/Defect.cs b/ApartmentManager/ApartmentManager/Model/Defect.cs
index 6e78e66..29f8b55 100644
--- a/ApartmentManager/ApartmentManager/Model/Defect.cs
+++ b/ApartmentManager/ApartmentManager/Model/Defect.cs
@@ -14,27 +14,9 @@ namespace ApartmentManager.Model
         public DateTime UploadDate { get; set; }
         public string Description { get; set; }
         public string Status { get; set; }
-        public string MainPicture { get; set; }
         private ObservableCollection<DefectPicture> _pictures;
         private ObservableCollection<DefectComment> _comments;
 
-        public Defect() { }
-
-        public Defect(int defectId, int apartmentId, string name, DateTime uploadDate, string description, string status)
-        {
-            DefectId = defectId;
-            ApartmentId = apartmentId;
-            Name = name;
-            UploadDate = uploadDate;
-            Description = description;
-            Status = status;
-        }
-
-        public override string ToString()
-        {
-            return string.Format($"Defect ID: {DefectId}, Apartment number: {ApartmentId}, Name: {Name}, Upload date: {UploadDate}, Description: {Description}, Status: {Status}");
-        }
-
         public ObservableCollection<DefectPicture> Pictures
         {
             get => _pictures;
diff --git a/ApartmentManager/ApartmentManager/Model/User.cs b/ApartmentManager/ApartmentManager/Model/User.cs
index 26a6b29..e91fdcd 100644
--- a/ApartmentManager/ApartmentManager/Model/User.cs
+++ b/ApartmentManager/ApartmentManager/Model/User.cs
@@ -16,10 +16,11 @@ namespace ApartmentManager.Model
         public DateTimeOffset BirthDate { get; set; }
         public string Phone { get; set; }
         public string Email { get; set; }
-        public string _picture { get; set; }
         public DateTimeOffset? MoveInDate { get; set; }
         public DateTimeOffset? MoveOutDate { get; set; }
 
+        private string _picture;
+
         public string Picture
         {
             get => _picture;
diff --git a/Diagrams/DCD.png b/Diagrams/DCD.png
new file mode 100644
index 0000000..e212d65
--- /dev/null
+++ b/Diagrams/DCD.png
diff --git a/Diagrams/DCD.vsdx b/Diagrams/DCD.vsdx
index 9f9e57e..2c80690 100644
--- a/Diagrams/DCD.vsdx
+++ b/Diagrams/DCD.vsdx