fix: rev db model, added missing entities and helper functions

WebApp/Entities/EventRegistration.cs

@@ -3,7 +3,7 @@
     public class EventRegistration
     {
         public int EventId { get; set; }
-        public required string UserId { get; set; }
+        public required int VolunteerId { get; set; }
         public DateTime RegisteredAt { get; set; } = DateTime.UtcNow;
         public Event? Event { get; set; }
         public User? User { get; set; }

WebApp/Entities/Message.cs

@@ -0,0 +1,13 @@
+namespace WebApp.Entities
+{
+    public class Message
+    {
+        public int MessageId { get; set; }
+        public int EventType { get; set; }
+        public int VolunteerId { get; set; }
+        public int OrganizationId { get; set; }
+        public bool IsMsgFromVolunteer { get; set; }
+        public DateTime IsoDate { get; set; }
+        public string? Content { get; set; }
+    }
+}

WebApp/Entities/MessageActivity.cs

@@ -0,0 +1,9 @@
+namespace WebApp.Entities
+{
+    public class MessageActivity
+    {
+        public int Recipient {  get; set; }
+        public int Sender { get; set; }
+        public DateTime RecipientLastActive { get; set; }
+    }
+}

WebApp/Entities/Organisation.cs

@@ -3,7 +3,7 @@
     public class Organisation
     {
         public int OrganisationId { get; set; }
-        public required string UserId { get; set; }
+        public required int UserId { get; set; }
         public required string Name { get; set; }
         public string? Description { get; set; }
         public string? Website { get; set; }

WebApp/Entities/Token.cs

@@ -0,0 +1,10 @@
+namespace WebApp.Entities
+{
+    public class Token
+    {
+        public int TokenId { get; set; }
+        public required int UserId { get; set; }
+        public required DateTime ValidUntil { get; set; }
+        public string? Value { get; set; }
+    }
+}

WebApp/Entities/User.cs

@@ -1,9 +1,14 @@
 using Microsoft.AspNetCore.Identity;
+using System.ComponentModel.DataAnnotations;
 
 namespace WebApp.Entities
 {
-    public class User : IdentityUser
+    public class User //: IdentityUser
     {
+        public int UserId { get; set; }
+        public string? Email { get; set; }
+        public string? Password { get; set; }
+
         public required string FirstName { get; set; }
         public required string LastName { get; set; }
         public bool IsOrganisation { get; set; } = false;
@@ -11,5 +16,6 @@ namespace WebApp.Entities
 
         public ICollection<VolunteerSkill> VolunteerSkills { get; set; } = new List<VolunteerSkill>();
         public ICollection<EventRegistration> EventRegistrations { get; set; } = new List<EventRegistration>();
+        public ICollection<Token> Tokens { get; set; } = new List<Token>();
     }
 }

WebApp/Entities/VolunteerSkill.cs

@@ -2,7 +2,7 @@
 {
     public class VolunteerSkill
     {
-        public required string UserId { get; set; }
+        public required int UserId { get; set; }
         public int SkillId { get; set; }
 
         public User? User { get; set; }