Skip to content

Instantly share code, notes, and snippets.

@laprasdrum
Created April 29, 2021 01:51
Show Gist options
  • Save laprasdrum/46cf33db6383b08d0f0fecbcc6128830 to your computer and use it in GitHub Desktop.
Save laprasdrum/46cf33db6383b08d0f0fecbcc6128830 to your computer and use it in GitHub Desktop.
send direct messages (including group DMs) from GAS
const token = 'xoxb-xxx'
function main() {
var message = 'Hi :)'
// send direct message
var userID = 'UX...'
sendMessage(userID, message)
// send group direct message
var userIDs = ['UX...', 'OX...']
var channelID = findOrCreateChannel(userIDs)
if (channelID) {
sendMessage(channelID, message)
}
}
function findOrCreateChannel(userIDs) {
if (userIDs.length == 0) {
return null
}
var params = {
'users': userIDs.join(',')
}
var options = {
'headers': {
'Authorization': `Bearer ${token}`
},
'method': 'post',
'contentType': 'application/json',
'payload': JSON.stringify(params)
}
var response = UrlFetchApp.fetch('https://slack.com/api/conversations.open', options)
if (response.getResponseCode() >= 400) {
return nil
}
var json = JSON.parse(response.getContentText())
return json.channel.id
}
function sendMessage(channelID, message) {
var params = {
'channel': channelID,
'text': message
}
var options = {
'headers': {
'Authorization': `Bearer ${token}`
},
'method': 'post',
'contentType': 'application/json',
'payload': JSON.stringify(params)
}
UrlFetchApp.fetch('https://slack.com/api/chat.postMessage', options)
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment