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Mikubot-2/miku/plugins/reddit.lua

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local reddit = {}
require "./miku/encoding"
reddit.command = 'reddit [r/subreddit | Suchbegriff]'
function reddit:init(config)
reddit.triggers = utilities.triggers(self.info.username, config.cmd_pat, {'^/r/'}):t('reddit', true):t('r', true):t('r/', true).table
reddit.doc = [[*
]]..config.cmd_pat..[[r* _[r/subreddit | Suchbegriff]_: Gibt Top-Posts oder Ergebnisse eines Subreddits aus. Wenn kein Argument gegeben ist, wird /r/all genommen.]]
end
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local format_results = function(posts)
local output = ''
for _,v in ipairs(posts) do
local post = v.data
local title = post.title:gsub('%[', '('):gsub('%]', ')'):gsub('&', '&')
if title:len() > 256 then
title = title:sub(1, 253)
title = utilities.trim(title) .. '...'
end
local short_url = 'https://redd.it/' .. post.id
local s = '[' .. encoding(title) .. '](' .. short_url .. ')'
if post.domain and not post.is_self and not post.over_18 then
s = '`[`[' .. post.domain .. '](' .. post.url:gsub('%)', '\\)') .. ')`]` ' .. s
end
output = output .. '' .. s .. '\n'
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end
return output
end
reddit.subreddit_url = 'https://www.reddit.com/%s/.json?limit='
reddit.search_url = 'https://www.reddit.com/search.json?q=%s&limit='
reddit.rall_url = 'https://www.reddit.com/.json?limit='
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function reddit:action(msg, config)
-- Eight results in PM, four results elsewhere.
local limit = 4
if msg.chat.type == 'private' then
limit = 8
end
local text = msg.text_lower
if text:match('^/r/.') then
-- Normalize input so this hack works easily.
text = msg.text_lower:gsub('^/r/', config.cmd_pat..'r r/')
end
local input = utilities.input(text)
local source, url
if input then
if input:match('^r/.') then
input = utilities.get_word(input, 1)
url = reddit.subreddit_url:format(input) .. limit
source = '*/' .. utilities.md_escape(input) .. '*\n'
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else
input = utilities.input(msg.text)
source = '*Ergebnisse für* _' .. utilities.md_escape(input) .. '_ *:*\n'
input = URL.escape(input)
url = reddit.search_url:format(input) .. limit
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end
else
url = reddit.rall_url .. limit
source = '*/r/all*\n'
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end
local jstr, res = https.request(url)
if res ~= 200 then
utilities.send_reply(self, msg, config.errors.results)
else
local jdat = json.decode(jstr)
if #jdat.data.children == 0 then
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utilities.send_reply(self, msg, config.errors.results)
else
local output = format_results(jdat.data.children)
output = source .. output
utilities.send_message(self, msg.chat.id, output, true, nil, true)
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end
end
end
return reddit