reworked discord messages

DiscordBot/Messages/ExternalRoleSelectionMessage.cs

@@ -0,0 +1,45 @@
+using Discord;
+using SharedClasses.SharedModels;
+
+namespace DiscordBot.Messages
+{
+    public class ExternalRoleSelectionMessage
+    {
+        public static MessageComponent buildMessage(List<ApiRole> roles, int raidId)
+        {
+            var signUpSelect = new SelectMenuBuilder()
+                .WithPlaceholder("Select an option")
+                .WithCustomId($"{Constants.ComponentIds.SIGN_UP_EXTERNAL_DROP_DOWN}-{raidId}")
+                .WithMinValues(1)
+                .WithMaxValues(1);
+            
+            foreach(ApiRole role in roles)
+            {
+                if(role.IsSignUpAllowed)
+                signUpSelect.AddOption(role.Name, role.roleId.ToString(), role.Description);
+            }
+
+            var builder = new ComponentBuilder()
+                .WithSelectMenu(signUpSelect, 0);
+
+            return builder.Build();
+        }
+
+        public static Parameters ParseId(string customId)
+        {
+            Parameters parameters = new Parameters();
+
+            string[] ids = customId.Split('-');
+            if(ids.Length > 1)
+            {
+                int.TryParse(ids[1],out parameters.RaidId);
+            }
+            return parameters;
+        }
+
+        public class Parameters
+        {
+            public int RaidId;
+        }
+    }
+}