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Mikubot/plugins/danbooru2.lua

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2015-11-12 17:42:03 +01:00
-- This is a proprietary plugin, property of Andreas Bielawski, (c) 2015 <andi (dot) b (at) outlook (dot) de>
-- DO NOT USE WITHOUT PERMISSION
do
local function get_db(tag)
local BASE_URL = 'http://danbooru.donmai.us'
local url = BASE_URL..'/posts.json?tags='..tag
local b,c = http.request(url)
if c ~= 200 then return nil end
local db = json:decode(b)
-- truly randomize
math.randomseed(os.time())
-- random max json table size
local i = math.random(#db)
local link_image = BASE_URL..db[i].file_url
return link_image
end
local function run(msg, matches)
local tag = matches[1]
local tag = string.gsub(tag, " ", '_' )
local tag = string.gsub(tag, ":", '%%3A' )
local receiver = get_receiver(msg)
local url = get_db(tag)
if string.ends(url, ".gif") or string.ends(url, ".zip") or string.ends(url, ".webm") then
send_document_from_url(receiver, url)
else
send_photo_from_url(receiver, url, send_title, {receiver, title})
end
return "Source: "..url
end
return {
description = "Sendet ein zufälliges Bild von Danbooru.",
usage = {"/danbooru [Tags]","/db [Tags]"},
patterns = {"^/danbooru (.*)$","^/db (.*)$"},
run = run
}
end