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Mikubot-2/otouto/plugins/channel.lua

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local channel = {}
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local bindings = require('otouto.bindings')
local utilities = require('otouto.utilities')
--channel.command = 'ch <channel> \\n <message>'
channel.doc = [[```
/ch <channel>
<message>
Sends a message to a channel. Channel may be specified via ID or username. Messages are markdown-enabled. Users may only send messages to channels for which they are the owner or an administrator.
The following markdown syntax is supported:
*bold text*
_italic text_
[text](URL)
`inline fixed-width code`
```pre-formatted fixed-width code block```
Due to the frequent dysfunction and incompletion of the API method used to determine the administrators of a channel, this command may not work for the owners of some channels.
```]]
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function channel:init(config)
channel.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('ch', true).table
end
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function channel:action(msg, config)
-- An exercise in using zero early returns. :)
local input = utilities.input(msg.text)
local output
if input then
local chat_id = utilities.get_word(input, 1)
local admin_list, t = bindings.getChatAdministrators(self, { chat_id = chat_id } )
if admin_list then
local is_admin = false
for _, admin in ipairs(admin_list.result) do
if admin.user.id == msg.from.id then
is_admin = true
end
end
if is_admin then
local text = input:match('\n(.+)')
if text then
local success, result = utilities.send_message(self, chat_id, text, true, nil, true)
if success then
output = 'Your message has been sent!'
else
output = 'Sorry, I was unable to send your message.\n`' .. result.description .. '`'
end
else
output = 'Please enter a message to be sent. Markdown is supported.'
end
else
output = 'Sorry, you do not appear to be an administrator for that channel.\nThere is currently a known bug in the getChatAdministrators method, where administrator lists will often not show a channel\'s owner.'
end
else
output = 'Sorry, I was unable to retrieve a list of administrators for that channel.\n`' .. t.description .. '`'
end
else
output = channel.doc
end
utilities.send_reply(self, msg, output, true)
end
return channel