hubot-code-review/src/lib/msgRoomName.coffee

A Hubot script for GitHub code review on Slack [archived]

# Return the human-readable name of the channel the msg was sent in
# for hubot-slack's breaking change from 3->4 of using ID instead of name
# @param  {msg Object}
# @param  {next Function} callback
# @param  {retryCount Number} number of times this function has been retried
# @return String human-readable name of the channel
module.exports = (msg, next, retryCount = 0) ->
  if msg.robot.adapterName is "slack"
    msg.robot.http("https://slack.com/api/conversations.info")
      .query({
        channel: msg.message.room
      })
      .header('Authorization', 'Bearer ' + process.env.HUBOT_SLACK_TOKEN)
      .get() (err, response, body) ->
        body = JSON.parse(body) if body
        if err || response.statusCode isnt 200 || !body?.channel
          if retryCount < 3 # Retry up to 3 times
            console.warn "Retry [#{retryCount + 1}] to get channel info for #{msg.message.room}"
            # Retry after 1 second
            setTimeout (-> module.exports(msg, next, retryCount + 1)), 1000
          else
            error = err || (body)?.error
            console.error "Failed to get channel name after #{retryCount} retries for " + \
            "#{msg.message.room}. Status: #{response.statusCode}, Error: #{error}"
            next null # Signal failure after retries
        else
          next body.channel.name
  else
    next msg.message.room