92 lines
3.0 KiB
Lua
92 lines
3.0 KiB
Lua
local preview = {}
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preview.command = 'preview <link>'
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function preview:init(config)
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preview.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('preview', true).table
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preview.inline_triggers = {
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"^pr (https?://[%w-_%.%?%.,:/%+=&%~%%#]+)$"
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}
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preview.doc = [[*
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]]..config.cmd_pat..[[preview* _<URL>_
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Erstellt einen Preview-Link]]
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end
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local api_key = cred_data.iframely_api_key
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function preview:inline_callback(inline_query, config, matches)
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local preview_url = matches[1]
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local res, code = https.request('https://iframe.ly/api/oembed?url='..URL.escape(preview_url)..'&api_key='..api_key)
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if code ~= 200 then abort_inline_query(inline_query) return end
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local data = json.decode(res)
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if data.title then
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title = unescape(data.title:gsub('"', '\\"'))
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else
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title = 'Kein Titel'
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end
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if data.description then
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description = unescape(data.description:gsub('"', '\\"'))
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description_in_text = '\n'..description
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if string.len(description_in_text) > 300 then
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description_in_text = string.sub(description_in_text, 1, 300)..'...'
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else
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description_in_text = description_in_text
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end
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else
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description_in_text = ''
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description = 'Keine Beschreibung verfügbar'
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end
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if data.provider_name then
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provider_name = data.provider_name:gsub('"', '\\"')
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else
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provider_name = preview_url:match('^%w+://([^/]+)') -- we only need the domain
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end
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if data.thumbnail_url then
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thumb = data.thumbnail_url
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width = data.thumbnail_width
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height = data.thumbnail_height
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else
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thumb = 'https://anditest.perseus.uberspace.de/inlineQuerys/generic/internet.jpg'
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width = 150
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height = 150
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end
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local message_text = '<b>'..title..'</b>'..description_in_text..'\n<i>- '..provider_name..'</i>'
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local results = '[{"type":"article","id":"77","title":"'..title..'","description":"'..description..'","url":"'..preview_url..'","thumb_url":"'..thumb..'","thumb_width":'..width..',"thumb_height":'..height..',"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}}]'
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utilities.answer_inline_query(inline_query, results, data.cache_age)
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end
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function preview:action(msg)
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local input = utilities.input_from_msg(msg)
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if not input then
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utilities.send_reply(msg, preview.doc, true)
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return
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end
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input = utilities.get_word(input, 1)
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if not input:match('^https?://.+') then
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input = 'http://' .. input
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end
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local res = http.request(input)
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if not res then
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utilities.send_reply(msg, 'Bitte gebe einen validen Link an.')
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return
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end
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if res:len() == 0 then
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utilities.send_reply(msg, 'Sorry, dieser Link lässt uns keine Vorschau erstellen.')
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return
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end
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-- Invisible zero-width, non-joiner.
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local output = '<a href="' .. input .. '">' .. utilities.char.zwnj .. '</a>'
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utilities.send_message(msg.chat.id, output, false, nil, 'HTML')
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end
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return preview |