From 6228b1312d80f39690420fb31a13b723383fb6c5 Mon Sep 17 00:00:00 2001
From: Andreas Bielawski <brawl98@outlook.com>
Date: Mon, 15 Aug 2016 17:56:55 +0200
Subject: [PATCH] =?UTF-8?q?InlineQuery=20f=C3=BCr=20Preview?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 otouto/plugins/preview.lua | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/otouto/plugins/preview.lua b/otouto/plugins/preview.lua
index 6948487..345d09a 100644
--- a/otouto/plugins/preview.lua
+++ b/otouto/plugins/preview.lua
@@ -4,11 +4,47 @@ preview.command = 'preview <link>'
 
 function preview:init(config)
 	preview.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('preview', true).table
+	preview.inline_triggers = {
+	  "^pr (https?://[%w-_%.%?%.:/%+=&%~%%#]+)$"
+	}
 	preview.doc = [[*
 ]]..config.cmd_pat..[[preview* _<URL>_
 Erstellt einen Preview-Link]]
 end
 
+function preview:inline_callback(inline_query, config, matches)
+  local preview_url = matches[1]
+  local res, code = https.request('https://brawlbot.tk/apis/simple_meta_api/?url='..URL.escape(preview_url))
+  if code ~= 200 then utilities.answer_inline_query(self, inline_query) return end
+  local data = json.decode(res)
+  if data.remote_code >= 400 then utilities.answer_inline_query(self, inline_query) return end
+  
+  if data.title then
+    title = data.title
+  else
+    title = 'Kein Titel'
+  end
+  
+  if data.description then
+    description = data.description
+	description_in_text = '\n'..description
+  else
+	description_in_text = ''
+    description = 'Keine Beschreibung verfügbar'
+  end
+
+  if data.only_name then
+    only_name = data.only_name
+  else
+    only_name = preview_url:match('^%w+://([^/]+)') -- we only need the domain
+  end
+  
+  local message_text = '<b>'..title..'</b>'..description_in_text..'\n— '..only_name
+
+  local results = '[{"type":"article","id":"77","title":"'..title..'","description":"'..description..'","url":"'..preview_url..'","thumb_url":"https://anditest.perseus.uberspace.de/inlineQuerys/generic/internet.jpg","thumb_width":150,"thumb_height":150,"hide_url":true,"reply_markup":{"inline_keyboard":[[{"text":"Webseite aufrufen","url":"'..preview_url..'"}]]},"input_message_content":{"message_text":"'..message_text..'","parse_mode":"HTML","disable_web_page_preview":true}}]'
+  utilities.answer_inline_query(self, inline_query, results, 3600, true)
+end
+
 function preview:action(msg)
   local input = utilities.input_from_msg(msg)
   if not input then