local images = {}
images.triggers = {
"(https?://[%w-_%%%.%?%.:,/%+=~&%[%]]+%.[Pp][Nn][Gg])$",
"(https?://[%w-_%%%.%?%.:,/%+=~&%[%]]+%.[Jj][Pp][Ee]?[Gg])$"
}
function images:action(msg, config, matches)
local url = matches[1]
local file, last_modified, nocache = get_cached_file(url, nil, msg.chat.id, 'upload_photo', self)
local result = utilities.send_photo(self, msg.chat.id, file, nil, msg.message_id)
if nocache then return end
if not result then return end
-- Cache File-ID und Last-Modified-Header in Redis
cache_file(result, url, last_modified)
end
return images
