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Mikubot-2/bot.lua

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local bot = {}
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local bindings = require('bindings') -- Load Telegram bindings.
local utilities = require('utilities') -- Load miscellaneous and cross-plugin functions.
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bot.version = '3.6'
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function bot:init() -- The function run when the bot is started or reloaded.
self.config = require('config') -- Load configuration file.
self.BASE_URL = 'https://api.telegram.org/bot' .. self.config.bot_api_key
if self.config.bot_api_key == '' then
error('You did not set your bot token in config.lua!')
end
-- Fetch bot information. Try until it succeeds.
repeat self.info = bindings.getMe(self) until self.info
self.info = self.info.result
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-- Load the "database"! ;)
if not self.database then
self.database = utilities.load_data(self.info.username..'.db')
end
self.plugins = {} -- Load plugins.
for _,v in ipairs(self.config.plugins) do
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local p = require('plugins.'..v)
table.insert(self.plugins, p)
if p.init then p.init(self) end
end
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print('@' .. self.info.username .. ', AKA ' .. self.info.first_name ..' ('..self.info.id..')')
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-- Generate a random seed and "pop" the first random number. :)
math.randomseed(os.time())
math.random()
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self.last_update = self.last_update or 0 -- Set loop variables: Update offset,
self.last_cron = self.last_cron or os.date('%M') -- the time of the last cron job,
self.is_started = true -- and whether or not the bot should be running.
self.database.users = self.database.users or {} -- Table to cache userdata.
self.database.users[tostring(self.info.id)] = self.info
end
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function bot:on_msg_receive(msg) -- The fn run whenever a message is received.
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-- Create a user entry if it does not exist.
if not self.database.users[tostring(msg.from.id)] then
self.database.users[tostring(msg.from.id)] = {}
end
-- Clear things that no longer exist.
self.database.users[tostring(msg.from.id)].username = nil
self.database.users[tostring(msg.from.id)].last_name = nil
-- Wee.
for k,v in pairs(msg.from) do
self.database.users[tostring(msg.from.id)][k] = v
end
if msg.date < os.time() - 5 then return end -- Do not process old messages.
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msg = utilities.enrich_message(msg)
if msg.text:match('^/start .+') then
msg.text = '/' .. utilities.input(msg.text)
msg.text_lower = msg.text:lower()
end
for _,v in ipairs(self.plugins) do
for _,w in pairs(v.triggers) do
if string.match(msg.text:lower(), w) then
local success, result = pcall(function()
return v.action(self, msg)
end)
if not success then
bindings.sendReply(self, msg, 'Sorry, an unexpected error occurred.')
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utilities.handle_exception(self, result, msg.from.id .. ': ' .. msg.text)
return
end
-- If the action returns a table, make that table msg.
if type(result) == 'table' then
msg = result
-- If the action returns true, don't stop.
elseif result ~= true then
return
end
end
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end
end
end
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function bot:run()
bot.init(self) -- Actually start the script. Run the bot_init function.
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while self.is_started do -- Start a loop while the bot should be running.
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do
local res = bindings.getUpdates(self, self.last_update+1) -- Get the latest updates!
if res then
for _,v in ipairs(res.result) do -- Go through every new message.
self.last_update = v.update_id
bot.on_msg_receive(self, v.message)
end
else
print(self.config.errors.connection)
end
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end
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if self.last_cron ~= os.date('%M') then -- Run cron jobs every minute.
self.last_cron = os.date('%M')
utilities.save_data(self.info.username..'.db', self.database) -- Save the database.
for i,v in ipairs(self.plugins) do
if v.cron then -- Call each plugin's cron function, if it has one.
local res, err = pcall(function() v.cron(self) end)
if not res then
utilities.handle_exception(self, err, 'CRON: ' .. i)
end
end
end
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end
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end
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-- Save the database before exiting.
utilities.save_data(self.info.username..'.db', self.database)
print('Halted.')
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end
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return bot