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Mikubot-2/otouto/plugins/post_photo.lua
Andreas Bielawski a5d44d7a15 - Fixe ID
- Post-Photo gibt msg bei > 20 MB zurück
- Keine Fehlermeldung mehr, wenn Seite keinen Header sendet (Media, Images)
2016-08-27 14:46:47 +02:00

40 lines
1.1 KiB
Lua

-- This plugin goes through every message with a document and if the document is an image,
-- it downloads the file and resends it as image
local post_photo = {}
post_photo.triggers = {
'/nil'
}
function post_photo:pre_process(msg, config)
if not msg.document then return msg end -- Ignore
local mime_type = msg.document.mime_type
local valid_mimetypes = {['image/jpeg'] = true, ['image/png'] = true, ['image/bmp'] = true}
if not valid_mimetypes[mime_type] then return msg end
local file_id = msg.document.file_id
local file_size = msg.document.file_size
if file_size > 19922944 then
print('File is over 20 MB - can\'t download :(')
return msg
end
utilities.send_typing(msg.chat.id, 'upload_photo')
-- Saving file to the Telegram Cloud
local request = bindings.request('getFile', {
file_id = file_id
} )
local download_url = 'https://api.telegram.org/file/bot'..config.bot_api_key..'/'..request.result.file_path
local file = download_to_file(download_url, msg.file_name)
utilities.send_photo(msg.chat.id, file, msg.caption, msg.message_id)
return msg
end
function post_photo:action(msg)
end
return post_photo