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Mikubot-2/plugins/hackernews.lua

65 lines
1.4 KiB
Lua
Executable File

local command = 'hackernews'
local doc = [[```
Returns four (if group) or eight (if private message) top stories from Hacker News.
Alias: /hn
```]]
local triggers = {
'^/hackernews[@'..bot.username..']*',
'^/hn[@'..bot.username..']*'
}
local action = function(msg)
sendChatAction(msg.chat.id, 'typing')
local jstr, res = HTTPS.request('https://hacker-news.firebaseio.com/v0/topstories.json')
if res ~= 200 then
sendReply(msg, config.errors.connection)
return
end
local jdat = JSON.decode(jstr)
local res_count = 4
if msg.chat.id == msg.from.id then
res_count = 8
end
local output = '*Hacker News:*\n'
for i = 1, res_count do
local res_url = 'https://hacker-news.firebaseio.com/v0/item/' .. jdat[i] .. '.json'
jstr, res = HTTPS.request(res_url)
if res ~= 200 then
sendReply(msg, config.errors.connection)
return
end
local res_jdat = JSON.decode(jstr)
local title = res_jdat.title:gsub('%[.+%]', ''):gsub('%(.+%)', ''):gsub('&', '&')
if title:len() > 48 then
title = title:sub(1, 45) .. '...'
end
local url = res_jdat.url
if not url then
sendReply(msg, config.errors.connection)
return
end
if url:find('%(') then
output = output .. '' .. title .. '\n' .. url:gsub('_', '\\_') .. '\n'
else
output = output .. '• [' .. title .. '](' .. url .. ')\n'
end
end
sendMessage(msg.chat.id, output, true, nil, true)
end
return {
action = action,
triggers = triggers,
doc = doc,
command = command
}