68 lines
2.4 KiB
Lua
68 lines
2.4 KiB
Lua
-- You need a Google API key and a Google Custom Search Engine set up to use this, in config.google_api_key and config.google_cse_key, respectively.
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-- You must also sign up for the CSE in the Google Developer Console, and enable image results.
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local gImages = {}
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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('dkjson')
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local utilities = require('otouto.utilities')
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function gImages:init(config)
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assert(config.google_api_key and config.google_cse_key,
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'gImages.lua requires a Google API key from http://console.developers.google.com and a Google Custom Search Engine key from http://cse.google.com/cse.'
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)
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gImages.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('image', true):t('i', true):t('insfw', true).table
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gImages.doc = config.cmd_pat .. [[image <query>
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Returns a randomized top result from Google Images. Safe search is enabled by default; use "]] .. config.cmd_pat .. [[insfw" to disable it. NSFW results will not display an image preview.
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Alias: ]] .. config.cmd_pat .. 'i'
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gImages.search_url = 'https://www.googleapis.com/customsearch/v1?&searchType=image&imgSize=xlarge&alt=json&num=8&start=1&key=' .. config.google_api_key .. '&cx=' .. config.google_cse_key
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end
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gImages.command = 'image <query>'
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function gImages:action(msg, config)
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local input = utilities.input_from_msg(msg)
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if not input then
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utilities.send_reply(self, msg, gImages.doc, true)
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return
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end
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local url = gImages.search_url
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if not string.match(msg.text, '^'..config.cmd_pat..'i[mage]*nsfw') then
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url = url .. '&safe=high'
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end
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url = url .. '&q=' .. URL.escape(input)
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local jstr, res = HTTPS.request(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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if jdat.searchInformation.totalResults == '0' then
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utilities.send_reply(self, msg, config.errors.results)
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return
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end
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local i = math.random(jdat.queries.request[1].count)
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local img_url = jdat.items[i].link
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local img_title = jdat.items[i].title
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local output = '[' .. img_title .. '](' .. img_url .. ')'
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if msg.text:match('nsfw') then
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utilities.send_reply(self, '*NSFW*\n'..msg, output)
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else
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utilities.send_message(self, msg.chat.id, output, false, nil, true)
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end
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end
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return gImages
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