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Mikubot-2/otouto/plugins/help.lua
2016-08-13 22:46:18 -04:00

54 lines
2.3 KiB
Lua

local utilities = require('otouto.utilities')
local help = {}
function help:init(config)
help.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('help', true):t('h', true).table
help.command = 'help [command]'
help.doc = config.cmd_pat .. 'help [command] \nReturns usage information for a given command.'
end
function help:action(msg, config)
local input = utilities.input(msg.text_lower)
if input then
if not help.help_word then
for _, plugin in ipairs(self.plugins) do
if plugin.command and plugin.doc and not plugin.help_word then
plugin.help_word = utilities.get_word(plugin.command, 1)
end
end
end
for _,plugin in ipairs(self.plugins) do
if plugin.help_word == input:gsub('^/', '') then
local output = '*Help for* _' .. plugin.help_word .. '_*:*\n' .. plugin.doc
utilities.send_message(self, msg.chat.id, output, true, nil, true)
return
end
end
utilities.send_reply(self, msg, 'Sorry, there is no help for that command.')
else
-- Generate the help message on first run.
if not help.text then
local commandlist = {}
for _, plugin in ipairs(self.plugins) do
if plugin.command then
table.insert(commandlist, plugin.command)
end
end
table.sort(commandlist)
help.text = '*Available commands:*\n' .. config.cmd_pat .. table.concat(commandlist, '\n'..config.cmd_pat) .. '\nArguments: <required> [optional]'
help.text = help.text:gsub('%[', '\\[')
end
-- Attempt to send the help message via PM.
-- If msg is from a group, tell the group whether the PM was successful.
local res = utilities.send_message(self, msg.from.id, help.text, true, nil, true)
if not res then
utilities.send_reply(self, msg, 'Please [message me privately](http://telegram.me/' .. self.info.username .. '?start=help) for a list of commands.', true)
elseif msg.chat.type ~= 'private' then
utilities.send_reply(self, msg, 'I have sent you the requested information in a private message.')
end
end
end
return help