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Mikubot-2/otouto/plugins/gImages.lua
2016-06-06 20:54:25 -07:00

79 lines
2.4 KiB
Lua
Executable File

-- 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.
-- You must also sign up for the CSE in the Google Developer Console, and enable image results.
local gImages = {}
local HTTPS = require('ssl.https')
local URL = require('socket.url')
local JSON = require('dkjson')
local utilities = require('utilities')
function gImages:init(config)
if not config.google_api_key then
print('Missing config value: google_api_key.')
print('gImages.lua will not be enabled.')
return
elseif not config.google_cse_key then
print('Missing config value: google_cse_key.')
print('gImages.lua will not be enabled.')
return
end
gImages.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('image', true):t('i', true):t('insfw', true).table
gImages.doc = [[```
]]..config.cmd_pat..[[image <query>
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.
Alias: ]]..config.cmd_pat..[[i
```]]
end
gImages.command = 'image <query>'
function gImages:action(msg, config)
local input = utilities.input(msg.text)
if not input then
if msg.reply_to_message and msg.reply_to_message.text then
input = msg.reply_to_message.text
else
utilities.send_message(self, msg.chat.id, gImages.doc, true, msg.message_id, true)
return
end
end
local 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
if not string.match(msg.text, '^'..config.cmd_pat..'i[mage]*nsfw') then
url = url .. '&safe=high'
end
url = url .. '&q=' .. URL.escape(input)
local jstr, res = HTTPS.request(url)
if res ~= 200 then
utilities.send_reply(self, msg, config.errors.connection)
return
end
local jdat = JSON.decode(jstr)
if jdat.searchInformation.totalResults == '0' then
utilities.send_reply(self, msg, config.errors.results)
return
end
local i = math.random(jdat.queries.request[1].count)
local img_url = jdat.items[i].link
local img_title = jdat.items[i].title
local output = '[' .. img_title .. '](' .. img_url .. ')'
if msg.text:match('nsfw') then
utilities.send_reply(self, '*NSFW*\n'..msg, output)
else
utilities.send_message(self, msg.chat.id, output, false, nil, true)
end
end
return gImages