start working on security group view

UserService.Infrastructure/DataModels/Member.cs

@@ -5,9 +5,6 @@ namespace UserService.Infrastructure.DataModels
 {
     public abstract class Member : Node
     {
-        [EmailAddress]
-        public string? EMail { get; set; }
-
         public ICollection<UserMember> Members { get; set; } = new List<UserMember>();
     }
 }

UserService.Infrastructure/DataModels/User.cs

@@ -1,4 +1,6 @@
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
 
 namespace UserService.Infrastructure.DataModels
 {
@@ -7,7 +9,10 @@ namespace UserService.Infrastructure.DataModels
         public string? FirstName { get; set; }
         public string? LastName { get; set; }
         public bool IsActive { get; set; }
-
+        
+        [EmailAddress]
+        public string? EMail { get; set; }
+        
         public string FullName => $"{FirstName} {LastName}";
 
         public IEnumerable<UserMember> MemberOf { get; set; } = new List<UserMember>();

UserService.Infrastructure/NodeExtensions.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UserService.Infrastructure.DataModels;
+
+namespace UserService.Infrastructure
+{
+    public static class NodeExtensions
+    {
+        public static void MapFields(this User user, Dictionary<string, object> values)
+        {
+            if (user == null) throw new ArgumentNullException(nameof(user));
+            if (values == null) throw new ArgumentNullException(nameof(values));
+            var properties = user.GetType().GetProperties();
+            foreach (var keyValuePair in values)
+            {
+                var propertyInfo = properties.FirstOrDefault(x => x.Name == keyValuePair.Key);
+                if (propertyInfo == null) continue;
+                propertyInfo.SetValue(user, keyValuePair.Value);
+            }
+        }
+    }
+}

UserService.Infrastructure/UserService.Infrastructure.csproj

@@ -3,6 +3,7 @@
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <LangVersion>latest</LangVersion>
+    <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>

UserService.Infrastructure/Validators.cs

@@ -7,13 +7,13 @@ namespace UserService.Infrastructure
 {
     public static class Validators
     {
-        public static bool? ValidateEmail(string mailAddress)
+        public static bool? ValidateEmail(string? mailAddress)
         {
             if (string.IsNullOrEmpty(mailAddress)) return null;
             return new EmailAddressAttribute().IsValid(mailAddress);
         }
 
-        public static bool? ValidateCommonName(string commonName, IReadOnlyList<User> users)
+        public static bool? ValidateCommonName(string? commonName, IEnumerable<Member> users)
         {
             if (string.IsNullOrEmpty(commonName)) return false;
             return users.All(x => x.CommonName != commonName);