Ported simple.js to coffeescript

Author: James Elliott

examples/simple_reverse.coffee

@@ -0,0 +1,73 @@
+#!/usr/bin/env coffee
+# This is a simple example of how to use the slack-client module in CoffeeScript. It creates a
+# bot that responds to all messages in all channels it is in with a reversed
+# string of the text received.
+#
+# To run, copy your token below, then:
+#  npm install
+#   cd examples
+#   coffee simple_reverse.coffeescript
+
+Slack = require '..'
+
+token = 'xoxb-YOUR-TOKEN-HERE' # Add a bot at https://my.slack.com/services/new/bot and copy the token here.
+autoReconnect = true
+autoMark = true
+
+slack = new Slack(token, autoReconnect, autoMark)
+
+slack.on 'open', ->
+  channels = []
+  groups = []
+  unreads = slack.getUnreadCount()
+  key
+
+  # Get all the channels that bot is a member of
+  channels = ("##{value.name}" for key, value of slack.channels when slack.channels[key].is_member)
+  # Get all groups that are open and not archived 
+  groups = (value.name for key, value of slack.groups when slack.groups[key].is_open and not slack.groups[key].is_archived)
+  
+
+  console.log 'Welcome to Slack. You are @%s of %s', slack.self.name, slack.team.name
+  console.log 'You are in: %s', channels.join(', ')
+  console.log 'As well as: %s', groups.join(', ')
+
+  messages = 
+    if unreads is 1
+      'message'
+    else
+      'messages'
+
+  console.log "You have #{unreads} unread #{messages}"
+
+
+slack.on 'message', (message) ->
+  type = message.type
+  channel = slack.getChannelGroupOrDMByID(message.channel)
+  user = slack.getUserByID(message.user)
+  time = message.ts
+  text = message.text
+  response = ''
+
+  channelName =
+    if channel.is_channel
+      "#"
+    else
+      ""
+  channelName += channel.name
+
+  console.log "Received: #{type} #{channelName} @#{user.name} #{time} \"#{text}\""
+
+  # Respond to messages with the reverse of the text received.
+
+  if type is 'message'
+    response = text.split('').reverse().join('')
+    channel.send response
+    console.log "@#{slack.self.name} responded with \"#{response}\""
+
+
+slack.on 'error', (error) ->
+  console.error "Error: #{error}"
+
+
+slack.login()