113 lines
3.7 KiB
Lua
113 lines
3.7 KiB
Lua
-- All bot-like behaviour (response to commands, etc)
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bot = {}
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function bot:Initialize(IRC, Prefix)
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self._irc = IRC
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self._prefix = Prefix
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self._meme = "alexa, "
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self._commands = {}
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hook.Add('irc.Message', 'bot.OnChannelMessage', function(Username, Channel, Message)
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local Success, Error = pcall(function()
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self:OnChannelMessage(Username, Channel, Message)
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end)
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if not Success then
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Channel:Say("Whoops! Error when executing OnChannelMessage: " .. Error)
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end
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end)
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self:AddCommand('eval-core', -1, function(Username, Channel, String)
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local Function, Message = loadstring(String)
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if not Function then
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Channel:Say("Parse error: " .. Message)
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return
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end
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local Status, Message = pcall(Function)
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if not Status then
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Channel:Say("Error -> " .. Message)
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else
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Channel:Say("OK -> " .. tostring(Message))
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end
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end, "Runs a Lua command in the bot context.", 100)
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end
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function bot:OnChannelMessage(Username, Channel, Message)
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local String
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if Message:sub(1,#self._prefix) == self._prefix then
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String = Message:sub(#self._prefix + 1)
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elseif Message:lower():sub(1, #self._meme) == self._meme then
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String = Message:sub(#self._meme + 1)
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else
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return
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end
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local Command
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local Arguments = {}
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for Part in String:gmatch("%S+") do
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if Command == nil then
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Command = Part
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else
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Arguments[#Arguments + 1] = Part
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end
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end
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if Command == nil then
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Channel:Say("No command given.")
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return
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end
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if not self._commands[Command] then
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local FellBack = hook.Call("bot.UnknownCommand", Username, Channel, Command, Arguments)
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if not FellBack then
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Channel:Say("Unknown command '" .. Command .. "'.")
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end
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else
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local CommandData = self._commands[Command]
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if #Arguments ~= CommandData.Arguments and CommandData.Arguments ~= -1 then
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Channel:Say(string.format("Command '%s' expects '%i' arguments, got '%i'.",
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Command, CommandData.Arguments, #Arguments))
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else
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-- -1 means we want a raw string
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if CommandData.Arguments == -1 then
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if #Arguments < 1 then
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Channel:Say("Please provide an argument.")
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return
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end
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Arguments = { table.concat(Arguments, ' ') }
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end
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local RequiredAccess = CommandData.Access
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if RequiredAccess == 0 then
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CommandData.Callback(Username, Channel, unpack(Arguments))
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return
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end
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local Account = hook.Call("auth.GetAccount", irc, Username)
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if not Account then
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Channel:Say("Please identify with NickServ.")
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return
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end
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local UserAccess = hook.Call("auth.GetLevel", Channel, Account)
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if not UserAccess then
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Channel:Say("Could not run command because auth backend is missing.")
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return
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end
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if UserAccess >= RequiredAccess then
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CommandData.Callback(Username, Channel, unpack(Arguments))
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else
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Channel:Say(string.format("Insufficient access level (%i required).", RequiredAccess))
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end
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end
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end
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end
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function bot:AddCommand(Name, Arguments, Callback, Help, Access)
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local Command = {}
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Command.Callback = Callback
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Command.Access = Access or 0
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Command.Help = Help or "No help available."
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Command.Arguments = Arguments
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self._commands[Name] = Command
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end
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function bot:RemoveCommand(Name)
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self._commands[Name] = nil
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end
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