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Mikubot-2/plugins/wikipedia.lua
topkecleon 9070a44c8f Improved triggers for many plugins.
Redone README to match the website.
Bot now supports deep linking / start payloads.
lastfm.lua now notifies a user when his default username is saved.
antisquig is now part of moderation.lua.
2016-01-07 22:30:12 -05:00

75 lines
1.7 KiB
Lua
Executable File

local doc = [[
/wikipedia <query>
Returns an article from Wikipedia.
]]
local triggers = {
'^/wikipedia[@'..bot.username..']*',
'^/wiki[@'..bot.username..']*',
'^/w[@'..bot.username..']*$',
'^/w[@'..bot.username..']* '
}
local action = function(msg)
local input = msg.text:input()
if not input then
if msg.reply_to_message and msg.reply_to_message.text then
input = msg.reply_to_message.text
else
sendReply(msg, doc)
return
end
end
local gurl = 'https://ajax.googleapis.com/ajax/services/search/web?v=1.0&rsz=1&q=site:wikipedia.org%20'
local wurl = 'https://en.wikipedia.org/w/api.php?action=query&prop=extracts&format=json&exchars=4000&exsectionformat=plain&titles='
local jstr, res = HTTPS.request(gurl .. URL.escape(input))
if res ~= 200 then
sendReply(msg, config.errors.connection)
return
end
local jdat = JSON.decode(jstr)
if not jdat.responseData.results[1] then
sendReply(msg, config.errors.results)
return
end
local url = jdat.responseData.results[1].url
local title = jdat.responseData.results[1].titleNoFormatting:gsub(' %- Wikipedia, the free encyclopedia', '')
jstr, res = HTTPS.request(wurl .. URL.escape(title))
if res ~= 200 then
sendReply(msg, config.error.connection)
return
end
local text = JSON.decode(jstr).query.pages
for k,v in pairs(text) do
text = v.extract
break -- Seriously, there's probably a way more elegant solution.
end
if not text then
sendReply(msg, config.errors.results)
return
end
text = text:gsub('</?.->', '')
local l = text:find('\n')
if l then
text = text:sub(1, l-1)
end
text = text .. '\n' .. url
sendReply(msg, text)
end
return {
action = action,
triggers = triggers,
doc = doc
}