48 lines
1.1 KiB
Lua
48 lines
1.1 KiB
Lua
local preview = {}
|
||
|
||
local HTTP = require('socket.http')
|
||
local utilities = require('miku.utilities')
|
||
|
||
preview.command = 'preview <link>'
|
||
|
||
function preview:init(config)
|
||
preview.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('preview', true).table
|
||
preview.doc = [[```
|
||
]]..config.cmd_pat..[[preview <link>
|
||
Returns a full-message, "unlinked" preview.
|
||
```]]
|
||
end
|
||
|
||
function preview:action(msg)
|
||
|
||
local input = utilities.input(msg.text)
|
||
|
||
if not input then
|
||
utilities.send_message(self, msg.chat.id, preview.doc, true, nil, true)
|
||
return
|
||
end
|
||
|
||
input = utilities.get_word(input, 1)
|
||
if not input:match('^https?://.+') then
|
||
input = 'http://' .. input
|
||
end
|
||
|
||
local res = HTTP.request(input)
|
||
if not res then
|
||
utilities.send_reply(self, msg, 'Please provide a valid link.')
|
||
return
|
||
end
|
||
|
||
if res:len() == 0 then
|
||
utilities.send_reply(self, msg, 'Sorry, the link you provided is not letting us make a preview.')
|
||
return
|
||
end
|
||
|
||
-- Invisible zero-width, non-joiner.
|
||
local output = '[](' .. input .. ')'
|
||
utilities.send_message(self, msg.chat.id, output, false, nil, true)
|
||
|
||
end
|
||
|
||
return preview
|