make sub command handler for easier sub commands

src/modules/SubCommandHandler.lua

@@ -0,0 +1,41 @@
+--I LOVE USELESS CLASSES!
+local Discordia = require('discordia')
+
+local ApplicationCommandOptionTypes = Discordia.enums.appCommandOptionType
+
+local SubCommandHandler = {}
+SubCommandHandler.__index = SubCommandHandler
+
+function SubCommandHandler.new()
+	local self = setmetatable({}, SubCommandHandler)
+
+	self.SubCommandCallbacks = {}
+
+	return self
+end
+
+function SubCommandHandler:AddSubCommand(SubCommandName, SubCommandCallback)
+	if self.SubCommandCallbacks[SubCommandName] then
+		return print('no can do')
+	end
+
+	self.SubCommandCallbacks[SubCommandName] = SubCommandCallback
+
+	return self
+end
+
+function SubCommandHandler:GetMainCommandCallback()
+	return function(Interaction, Command, Args)
+		local SubCommandOption = Command.options[1]
+		if SubCommandOption.type == ApplicationCommandOptionTypes.subCommand then
+			local SubCommandName = SubCommandOption.name
+			local SubCommandCallback = self.SubCommandCallbacks[SubCommandName]
+			local SubCommandArgs = Args[SubCommandName]
+			if SubCommandCallback then
+				SubCommandCallback(Interaction, Command, SubCommandArgs)
+			end
+		end
+	end
+end
+
+return SubCommandHandler