64 lines
1.6 KiB
Lua
Executable File
64 lines
1.6 KiB
Lua
Executable File
local xkcd = {}
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local HTTP = require('socket.http')
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local HTTPS = require('ssl.https')
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local URL = require('socket.url')
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local JSON = require('cjson')
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local bindings = require('bindings')
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local utilities = require('utilities')
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xkcd.command = 'xkcd [query]'
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xkcd.doc = [[```
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/xkcd [query]
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Returns an xkcd strip and its alt text. If there is no query, it will be randomized.
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```]]
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function xkcd:init()
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xkcd.triggers = utilities.triggers(self.info.username):t('xkcd', true).table
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end
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function xkcd:action(msg)
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local input = utilities.input(msg.text)
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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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bindings.sendReply(self, msg, self.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 res_url
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if input then
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local url = 'https://ajax.googleapis.com/ajax/services/search/web?v=1.0&safe=active&q=site%3axkcd%2ecom%20' .. URL.escape(input)
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jstr, res = HTTPS.request(url)
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if res ~= 200 then
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bindings.sendReply(self, msg, self.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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if #jdat.responseData.results == 0 then
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bindings.sendReply(self, msg, self.config.errors.results)
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return
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end
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res_url = jdat.responseData.results[1].url .. 'info.0.json'
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else
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res_url = 'http://xkcd.com/' .. math.random(latest) .. '/info.0.json'
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end
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jstr, res = HTTP.request(res_url)
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if res ~= 200 then
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bindings.sendReply(self, msg, self.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.num .. '](' .. jdat.img .. ')\n' .. jdat.alt
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bindings.sendMessage(self, msg.chat.id, output, false, nil, true)
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end
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return xkcd
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