reworked the commandHandler

added Slash Commands

DiscordBot/CommandHandlers/HandlerFunctions.cs

@@ -0,0 +1,56 @@
+using Discord;
+using Discord.Commands;
+using Discord.WebSocket;
+using System.Reflection;
+using DiscordBot.Services;
+using SharedClasses.SharedModels;
+using DiscordBot.Messages;
+
+namespace DiscordBot.CommandHandlers
+{
+    public class HandlerFunctions
+    {
+        private readonly HttpService _httpService;
+
+        public HandlerFunctions(HttpService httpService)
+        {
+            _httpService = httpService;
+        }
+
+
+        public async Task<bool> IsRaidSignUpAllowed(SocketInteraction component, int raidId, string pressedButtonId)
+        {
+            if(! await _httpService.DoesUserExist(component.User.Id))
+            {
+                var mb = new ModalBuilder()
+                    .WithTitle("Create Account")
+                    .WithCustomId($"{Constants.ComponentIds.CREATE_ACCOUNT_MODAL}-{raidId}-{pressedButtonId}")
+                    .AddTextInput("Name", Constants.ComponentIds.NAME_TEXT_BOX, placeholder: component.User.Username, required: true, value: component.User.Username)
+                    .AddTextInput("Guild Wars 2 Account", Constants.ComponentIds.ACCOUNT_TEXT_BOX, placeholder: "Account.1234", required: true);
+
+                await component.RespondWithModalAsync(mb.Build());
+                return false;
+            }
+            Tuple<bool, string> signUpAllowed = await _httpService.IsSignUpAllowed(raidId, component.User.Id);
+            if(!signUpAllowed.Item1)
+            {
+                await component.RespondAsync(signUpAllowed.Item2, ephemeral: true);
+                return false;
+            }
+            return true;
+        }
+        
+        //to avoid error messages because of no response...
+        public async Task Respond(SocketInteraction component)
+        {
+            try
+            {
+                await component.RespondAsync();
+            }
+            catch(Discord.Net.HttpException e)
+            {
+
+            }
+        }
+    }
+}