Ticket #913 : Add middle name

Author: habarthierry-hue

src/IdServer/SimpleIdServer.IdServer.Domains/DTOs/UserNames.cs

@@ -8,6 +8,7 @@ public class UserNames
         public const string Name = "name";
         public const string Firstname = "firstname";
         public const string Lastname = "lastname";
+        public const string Middlename = "middlename";
         public const string Email = "email";
         public const string EmailVerified = "emailVerified";
         public const string Claims = "claims";

src/IdServer/SimpleIdServer.IdServer.Domains/User.cs

@@ -40,6 +40,10 @@ public User()
         [UserProperty(true)]
         [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
         public string? Lastname { get; set; } = null;
+        [JsonPropertyName(UserNames.Middlename)]
+        [UserProperty(true)]
+        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+        public string? Middlename { get; set; } = null;
         [JsonPropertyName(UserNames.Email)]
         [UserProperty(true)]
         [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
@@ -200,11 +204,29 @@ public void RejectConsent(string consentId)
             Consents.Remove(consent);
         }
 
-        public void UpdateEmail(string value) => UpdateClaim(JwtRegisteredClaimNames.Email, value);
+        public void UpdateEmail(string value)
+        {
+            Email = value;
+            UpdateClaim(JwtRegisteredClaimNames.Email, value);
+        }
 
-        public void UpdateName(string value) => UpdateClaim(JwtRegisteredClaimNames.Name, value);
+        public void UpdateName(string value)
+        {
+            Name = value;
+            UpdateClaim(JwtRegisteredClaimNames.Name, value);
+        }
 
-        public void UpdateLastname(string value) => UpdateClaim(JwtRegisteredClaimNames.FamilyName, value);
+        public void UpdateLastname(string value)
+        {
+            Lastname = value;
+            UpdateClaim(JwtRegisteredClaimNames.FamilyName, value);
+        }
+
+        public void UpdateMiddlename(string value)
+        {
+            Middlename = value;
+            UpdateClaim(JwtRegisteredClaimNames.MiddleName, value);
+        }
 
         public void UpdateClaim(string key, string value)
         {
@@ -329,6 +351,7 @@ public object Clone()
                 EmailVerified = EmailVerified,
                 Firstname = Firstname,
                 Lastname = Lastname,
+                Middlename = Middlename,
                 CreateDateTime = CreateDateTime,
                 UpdateDateTime= UpdateDateTime,
                 Source = Source,