57 lines
1.5 KiB
Lua
57 lines
1.5 KiB
Lua
local xkcd = {}
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local HTTP = require('socket.http')
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local JSON = require('dkjson')
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local utilities = require('otouto.utilities')
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xkcd.command = 'xkcd [i]'
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function xkcd:init(config)
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xkcd.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('xkcd', true).table
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xkcd.doc = config.cmd_pat .. [[xkcd [i]
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Returns the latest xkcd strip and its alt text. If a number is given, returns that number strip. If "r" is passed in place of a number, returns a random strip.]]
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end
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function xkcd:action(msg, config)
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local jstr, res = HTTP.request('http://xkcd.com/info.0.json')
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if res ~= 200 then
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utilities.send_reply(self, msg, config.errors.connection)
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return
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end
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local latest = JSON.decode(jstr).num
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local strip_num = latest
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local input = utilities.input(msg.text)
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if input then
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if input == '404' then
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utilities.send_message(self, msg.chat.id, '*404*\nNot found.', false, nil, true)
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return
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elseif tonumber(input) then
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if tonumber(input) > latest then
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strip_num = latest
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else
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strip_num = input
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end
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elseif input == 'r' then
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strip_num = math.random(latest)
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end
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end
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local res_url = 'http://xkcd.com/' .. strip_num .. '/info.0.json'
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jstr, res = HTTP.request(res_url)
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if res ~= 200 then
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utilities.send_reply(self, msg, config.errors.connection)
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return
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end
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local jdat = JSON.decode(jstr)
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local output = '*' .. jdat.safe_title .. ' (*[' .. jdat.num .. '](' .. jdat.img .. ')*)*\n_' .. jdat.alt:gsub('_', '\\_') .. '_'
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utilities.send_message(self, msg.chat.id, output, false, nil, true)
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end
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return xkcd
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