Fleshed out entity classes and created command to create student

BrightGlimmer.Domain/Address.cs

@@ -1,4 +1,5 @@
-using System;
+using Newtonsoft.Json;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Text;
@@ -14,7 +15,9 @@ namespace BrightGlimmer.Domain
         public string StateCode { get; set; }
         public string County { get; set; }
         public string ZipCode { get; set; }
+        [JsonIgnore]
         public decimal Latitude { get; set; }
+        [JsonIgnore]
         public decimal Longitude { get; set; }
     }
 }

BrightGlimmer.Domain/BrightGlimmer.Domain.csproj

@@ -5,6 +5,9 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <Reference Include="Newtonsoft.Json">
+      <HintPath>..\..\..\..\..\..\Program Files\dotnet\sdk\NuGetFallbackFolder\newtonsoft.json\11.0.2\lib\netstandard2.0\Newtonsoft.Json.dll</HintPath>
+    </Reference>
     <Reference Include="System.ComponentModel.Annotations">
       <HintPath>..\..\..\..\..\..\Program Files\dotnet\sdk\NuGetFallbackFolder\microsoft.netcore.app\2.2.0\ref\netcoreapp2.2\System.ComponentModel.Annotations.dll</HintPath>
     </Reference>

BrightGlimmer.Domain/Entity.cs

@@ -1,15 +1,21 @@
-using System;
+using Newtonsoft.Json;
+using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Text;
 
 namespace BrightGlimmer.Domain
 {
     public class Entity
     {
-        public Guid Id { get; set; }
-        public bool IsDeleted { get; set; }
-        public DateTime CreatedDate { get; set; }
-        public DateTime ModifiedDate { get; set; }
+        [Key]
+        public Guid Id { get; private set; }
+        [JsonIgnore]
+        public bool IsDeleted { get; protected set; }
+        [JsonIgnore]
+        public DateTime CreatedDate { get; protected set; }
+        [JsonIgnore]
+        public DateTime ModifiedDate { get; protected set; }
 
         public Entity()
         {
@@ -17,6 +23,15 @@ namespace BrightGlimmer.Domain
             CreatedDate = DateTime.UtcNow;
             ModifiedDate = DateTime.UtcNow;
         }
-    }
 
+        protected void Delete()
+        {
+            IsDeleted = true;
+        }
+
+        protected void MarkModified()
+        {
+            ModifiedDate = DateTime.UtcNow;
+        }
+    }
 }

BrightGlimmer.Domain/Student.cs

@@ -11,19 +11,44 @@ namespace BrightGlimmer.Domain
         [NotMapped]
         private readonly int MAX_STUDENT_NUMBER = 100000000;
 
-        public int StudentNumber { get; set; }
+        public int StudentNumber { get; private set; }
         public string FirstName { get; set; }
         public string MiddleName { get; set; }
         public string LastName { get; set; }
-        public string Email { get; set; }
-        public List<Phone> Phones { get; set; }
+        public string Email { get; private set; }
         public Address Address { get; set; }
         public string ProfilePictureUrl { get; set; }
-        public List<AssignedCourse> AssignedCourses { get; set; }
 
-        public Student() : base()
+        private readonly List<Phone> phones = new List<Phone>();
+        public IReadOnlyList<Phone> Phones => phones;
+
+        private readonly List<AssignedCourse> assignedCourses = new List<AssignedCourse>();
+        public IReadOnlyList<AssignedCourse> AssignedCourses => assignedCourses;
+
+        private Student() { }
+
+        public Student(string firstName, 
+                       string lastName, 
+                       string email,
+                       List<Phone> phones,
+                       Address address) : base()
         {
             StudentNumber = new Random().Next(MAX_STUDENT_NUMBER); /* TODO: Optimize student number creation */
+            FirstName = firstName;
+            LastName = lastName;
+            Email = email;
+            Address = address;
+            this.phones = phones;
+        }
+
+        public void AddPhone(Phone phone)
+        {
+            phones.Add(phone);
+        }
+
+        public void AddAssignedCourse(AssignedCourse assignedCourse)
+        {
+            assignedCourses.Add(assignedCourse);
         }
     }
 }