src/modules/CommandCollector.lua

@@ -0,0 +1,73 @@
+local RELATIVE_PATH_TO_COMMANDS = '../' --this is because the require function will call to a path relative to this current file :D
+local IGNORE_STARTING_FILE_NAME = '_'
+
+local CommandCollector = {}
+CommandCollector.__index = CommandCollector
+
+function CommandCollector.new(Prefix)
+	local self = setmetatable({}, CommandCollector)
+
+	self.Prefix = Prefix
+	self.Collected = false
+	self.Collection = {}
+
+	return self
+end
+
+function CommandCollector:Get(CommandName)
+	for CommandIndex, CommandData in next, self.Collection do
+		if CommandName == CommandData.Command.name then
+			return CommandData
+		end
+	end
+end
+
+function CommandCollector:Collect()
+	if self.Collected then
+		print('Command collector for', self.Prefix, 'commands was already collected')
+		return
+	end
+
+	local CommandsContainerPath = self.Prefix..'Commands/'
+
+	for File in io.popen('dir "./src/'..CommandsContainerPath..'" /b'):lines() do
+		if File:sub(1, 1) ~= IGNORE_STARTING_FILE_NAME then
+			local Success, Return = pcall(require, RELATIVE_PATH_TO_COMMANDS..CommandsContainerPath..File)
+			if Success then
+				if not Return.Command or not Return.Callback then
+					print('Malformed command data in', CommandsContainerPath..File, 'Reason: returned command data table is missing a Command or Callback field')
+					return
+				end
+				print('Loaded', CommandsContainerPath..File)
+				table.insert(self.Collection, {Command = Return.Command, Callback = Return.Callback})
+			else
+				print('Error loading', CommandsContainerPath..File, 'Error:', Return)
+			end
+		end
+	end
+
+	print('Loaded a total of '..#self.Collection..' '..self.Prefix..' command'..(#self.Collection ~= 1 and 's' or ''))
+
+	self.Collected = true
+	return self
+end
+
+function CommandCollector:Publish(Client)
+	if not Client.createGlobalApplicationCommand then
+		print('Client does not have the method \'createGlobalApplicationCommand\'')
+		return
+	end
+
+	for CommandIndex, CommandData in next, self.Collection do
+		local Success, Return = pcall(Client.createGlobalApplicationCommand, Client, CommandData.Command)
+		if Success then
+			print('Published command', CommandData.Command.name)
+		else
+			print('Failed to publish command', CommandData.Command.name, 'Error:', Return)
+		end
+	end
+
+	return self
+end
+
+return CommandCollector