Index: iknow-api/Models/DependencySubject.cs
===================================================================
--- iknow-api/Models/DependencySubject.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
+++ iknow-api/Models/DependencySubject.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
@@ -0,0 +1,10 @@
+namespace iknow_api.Models
+{
+    public class DependencySubject
+    {
+        public int SubjectId { get; set; }
+        public int DependencyId { get; set; }
+        public Subject? Subject { get; set; }
+        public Subject? Dependency { get; set; }
+    }
+}
Index: iknow-api/Models/Documents.cs
===================================================================
--- iknow-api/Models/Documents.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
+++ iknow-api/Models/Documents.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
@@ -0,0 +1,11 @@
+namespace iknow_api.Models
+{
+    public class Documents
+    {
+        public int Id { get; set; }
+        public string? name { get; set; }
+        public string? body { get; set; }
+        public int cost { get; set; }
+        public ICollection<UserDocuments>? User { get; set; }
+    }
+}
Index: iknow-api/Models/EnrolledSemesters.cs
===================================================================
--- iknow-api/Models/EnrolledSemesters.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
+++ iknow-api/Models/EnrolledSemesters.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
@@ -0,0 +1,22 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace iknow_api.Models
+{
+    public enum Type
+    {
+        Winter, Summer
+    }
+    public class EnrolledSemesters
+    {
+        public int Id { get; set; }
+        public int UserId { get; set; }
+        public User? User { get; set; }
+        public int Year { get; set; }
+        public int Type { get; set; }
+        public Quota QuotaType { get; set; }
+        public int MajorId { get; set; }
+        public Major? Major { get; set; }
+        public ICollection<Payment>? Users { get; set; }
+        public ICollection<SemesterSubject>? SemesterSubjects { get; set; }
+    }
+}
Index: iknow-api/Models/EnrollmentInfo.cs
===================================================================
--- iknow-api/Models/EnrollmentInfo.cs	(revision 35924766238e487b4af38d5827bdcda86852bd88)
+++ iknow-api/Models/EnrollmentInfo.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
@@ -7,8 +7,4 @@
         drzavna, privatna, stipendija
     }
-    public enum Major
-    {
-        SIIS, PIT, KN, KI, IMB, IE, SSP, SEIS
-    }
     public class EnrollmentInfo
     {
@@ -16,7 +12,9 @@
         public int enrollmentYear { get; set; }
         public Quota quota;
-        public Major major { get; set; }
+        public int MajorId { get; set; }
+        public Major? Major { get; set; }
         public int UserId { get; set; }
         public User? User { get; set; }
+
     }
 }
Index: iknow-api/Models/Major.cs
===================================================================
--- iknow-api/Models/Major.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
+++ iknow-api/Models/Major.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
@@ -0,0 +1,12 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace iknow_api.Models
+{
+    public class Major
+    {
+        public int Id { get; set; }
+
+        public string? Name { get; set; }
+        public ICollection<MajorSubjects>? Subjects { get; set; }
+    }
+}
Index: iknow-api/Models/MajorSubjects.cs
===================================================================
--- iknow-api/Models/MajorSubjects.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
+++ iknow-api/Models/MajorSubjects.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
@@ -0,0 +1,12 @@
+namespace iknow_api.Models
+{
+    public class MajorSubjects
+    {
+        public int MajorId { get; set; }
+        public int SubjectId { get; set; }
+        public int MandatorySemester { get; set; }
+        public int Akreditacija { get; set; }
+        public Major? Majors { get; set; }
+        public Subject? Subjects { get; set; }
+    }
+}
Index: iknow-api/Models/Payment.cs
===================================================================
--- iknow-api/Models/Payment.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
+++ iknow-api/Models/Payment.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace iknow_api.Models
+{
+    public class Payment
+    {
+        public int Id { get; set; }
+
+        public int UserId { get; set; }
+        public User? User { get; set; }
+        public int EnrollmentInfoId { get; set; }
+        public EnrolledSemesters? EnrolledSemesters { get; set; }
+
+    }
+}
Index: iknow-api/Models/SemesterSubjects.cs
===================================================================
--- iknow-api/Models/SemesterSubjects.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
+++ iknow-api/Models/SemesterSubjects.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
@@ -0,0 +1,17 @@
+namespace iknow_api.Models
+{
+    public class SemesterSubject
+    {
+        public int Id { get; set; } 
+        
+        public int UserId { get; set; }                 
+        public int EnrolledSemesterId { get; set; }
+        public int SubjectId { get; set; }
+        public int ProfessorId { get; set; }
+        
+        public User? User { get; set; }                 
+        public EnrolledSemesters? EnrolledSemester { get; set; }
+        public Subject? Subject { get; set; }
+        public User? Professor { get; set; }           
+    }
+}
Index: iknow-api/Models/Subjects.cs
===================================================================
--- iknow-api/Models/Subjects.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
+++ iknow-api/Models/Subjects.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
@@ -0,0 +1,15 @@
+namespace iknow_api.Models
+{
+    public class Subject
+    {
+        public int Id { get; set; }                       
+        public string? Name { get; set; }                 
+        public string? Code { get; set; }                  
+        public int? AwardedCredits { get; set; } 
+        public int? DependencyCredit { get; set; }
+        public ICollection<DependencySubject>? Dependencies { get; set; }   
+        public ICollection<DependencySubject>? Dependents { get; set; }
+        public ICollection<MajorSubjects>? Majors { get; set; }
+        public ICollection<SemesterSubject>? SemesterSubjects { get; set; }
+    }
+}
Index: iknow-api/Models/User.cs
===================================================================
--- iknow-api/Models/User.cs	(revision 35924766238e487b4af38d5827bdcda86852bd88)
+++ iknow-api/Models/User.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
@@ -25,4 +25,9 @@
         public ContactInfo? ContactInfo { get; set; }
         public EnrollmentInfo? EnrollmentInfo { get; set; }
+        public ICollection<UserDocuments>? Documents { get; set; }
+        public ICollection<Payment>? EnrolledSemesters { get; set; }
+        public ICollection<SemesterSubject>? EnrolledSemesterUserSubjects { get; set; }
+
+        public ICollection<SemesterSubject>? TeachingSubjects { get; set; }
 
     }
Index: iknow-api/Models/UserDocuments.cs
===================================================================
--- iknow-api/Models/UserDocuments.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
+++ iknow-api/Models/UserDocuments.cs	(revision a92a2a413484ff7d4eb9ff6632fcabdffe2b36f4)
@@ -0,0 +1,10 @@
+namespace iknow_api.Models
+{
+    public class UserDocuments
+    {
+        public int UserId { get; set; }
+        public int DocumentId { get; set; }
+        public User? User{ get; set; }
+        public Documents? Documents{ get; set; }
+    }
+}