Better help part 1

EventBot/Modules/BasicModule.cs

@@ -7,6 +7,8 @@ using System.Threading.Tasks;
 using System.Linq;
 using EventBot.Attributes;
 using EventBot.Services;
+using Discord.Addons.Interactive;
+using EventBot.Misc;
 
 namespace EventBot.Modules
 {
@@ -22,6 +24,7 @@ namespace EventBot.Modules
         [RequireOwner(Group = "Permission")]
         [RequireContext(ContextType.Guild)]
         [Command("prefix")]
+        [Name("Configure prefix")]
         [Summary("Gets prefix.")]
         public async Task PrefixCommand()
         {
@@ -38,6 +41,7 @@ namespace EventBot.Modules
         [RequireOwner(Group = "Permission")]
         [RequireContext(ContextType.Guild)]
         [Command("prefix")]
+        [Name("Configure prefix")]
         [Summary("Sets prefix.")]
         public async Task PrefixCommand(
             [Summary("New prefix to set")] string newPrefix)
@@ -50,8 +54,9 @@ namespace EventBot.Modules
             await ReplyAsync($"Prefix has been set to `{guildConfig.Prefix}`");
         }
 
+
         [Group("help")]
-        public class HelpModule : ModuleBase<SocketCommandContext>
+        public class HelpModule : InteractiveBase<SocketCommandContext>
         {
 
             private readonly CommandService _commands;
@@ -61,23 +66,47 @@ namespace EventBot.Modules
             }
 
             [Command]
+            [Name("Help")]
             [Summary("Lists all commands with there descriptions.")]
             public async Task DefaultHelpAsync()
             {
-                var embed = new EmbedBuilder()
-                    .WithTitle("Command list")
-                    .WithColor(Color.DarkBlue)
-                    .WithCurrentTimestamp()
-                    .WithFields(_commands.Commands
-                        .Where(c => c.Attributes.Where(a => a is NoHelpAttribute || (a is RequireContextAttribute requireContext)).Count() == 0)
-                        .Select(c =>
-                            new EmbedFieldBuilder()
+                var pagedCommands = _commands.Commands
+                    .OrderBy(c => c.Aliases[0])
+                    .Where(c => c.Attributes
+                        .Select(a => {
+                            switch (a)
                             {
-                                Name = $"`{string.Join(", ", c.Aliases)} {string.Join(" ", c.Parameters.Select(p => p.IsOptional ? $"[{p.Name}]" : $"<{p.Name}>"))}`",
-                                Value = c.Summary
-                            })
-                    );
-                await Context.User.SendMessageAsync(embed: embed.Build());
+                                case NoHelpAttribute _:
+                                    return false;
+                                case RequireContextAttribute rc:
+                                    return Context.IsContextType(rc.Contexts);
+                                default:
+                                    return true;
+                            }
+                        })
+                        .Aggregate(true, (a, r) => a && r))
+                    .SelectMany(c => c.Aliases.Select(a => new { CI = c, MA = (c.Aliases[0] == a), A = a}).Reverse())
+                    .Select((e, i) => new { Command = e, Index = i })
+                    .GroupBy(o => o.Index / 20)
+                    .Select(g => g.Select(o => o.Command));
+
+                var pager = new PaginatedMessage()
+                {
+                    Title = "Command list",
+                    Color = Color.DarkBlue,
+                    Pages = pagedCommands.Select(p => string.Join("\r\n", p.Select(c => {
+                        if (c.MA)
+                            return $"`{c.CI.FormatCallHelpString()}` - **{c.CI.Name}**";
+                        else
+                            return $"`{c.A}` `↪`";
+                    }))),
+                    Options = new PaginatedAppearanceOptions()
+                    {
+                        Info = null,
+                        JumpDisplayOptions = JumpDisplayOptions.Never
+                    }
+                };
+                await PagedReplyAsync(pager);
             }
         }
     }