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A Ruby gem who provides a small DSL to register Pusher channels and events in Redmine
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 Dependencies

Runtime

>= 0
 Project Readme

logo ActsAsNotifiableRedmine

GitHub license Gem Gem Code Climate

A gem which makes notifying your Redmine instance easy ;)

This gem is designed to integrate the Pusher Notification System in Redmine but you may use it for other Rails apps ;)

It aims to provide a small DSL for plugin developers who want to use Pusher notifications for their Redmine plugins.

To achieve this, you should install first Redmine Pusher Notifications which actually install this gem and the gritter gem.

Then you just need to declare your channels and events in your init.rb file. That's all!

Requirements

Installation

gem install acts_as_notifiable_redmine

Usage

(1) First you need to configure you Pusher account :

ActsAsNotifiableRedmine::Notifications.register_courier :pusher do
  app_id    'xxxxx'
  key       'xxxxxxxxxxxxxxxxxxxx'
  secret    'xxxxxxxxxxxxxxxxxxxx'
  encrypted true
end

Note : If you're using Redmine Pusher Notifications plugin you don't need to do this. Instead, go to the plugin configuration page.

(2) Then you need to register your channels and events : each channel can have many events. It may also have an optional target parameter which can be a string or a Proc.

ActsAsNotifiableRedmine::Notifications.register_channel :channel_test do
  target Proc.new { User.current.login }
  event  :event1, :sticky => true
  event  :event2, :sticky => false
  event  :event3
end

ActsAsNotifiableRedmine::Notifications.register_channel :broadcast do
  target 'broadcast'
  event  :event1, :sticky => true
  event  :event2, :sticky => false
  event  :event3
end

Note : If you're using Redmine Pusher Notifications plugin this is done in init.rb file.

(3) Once done, you can get the registered channels and events with :

ActsAsNotifiableRedmine::Notifications.channels.each do |name, channel|
  puts "#############"
  puts "Channel :"
  puts "name       : #{channel.name}"
  puts "identifier : #{channel.identifier}"
  puts "token      : #{channel.token}"
  puts "events     :"
  channel.events.each do |event|
    puts "  * #{event.name} (sticky : #{event.sticky?})"
  end
  puts ""
end

To get the Pusher parameters :

courier = ActsAsNotifiableRedmine::Notifications.courier

puts "#############"
puts "Courier :"
puts "name      : #{courier.name}"
puts "app_id    : #{courier.app_id}"
puts "key       : #{courier.key}"
puts "secret    : #{courier.secret}"
puts "encrypted : #{courier.encrypted}"

(4) Finally to send notifications :

ActsAsNotifiableRedmine::Notifications.send_notification([channel.token], event.name, {:title => 'Hello!', :message => 'This is a test message !'})

Note : The logic to determine wether or not to send a notification is let to the developer. You can easily do this with callbacks :

class Comment < ActiveRecord::Base
  has_many :watchers
  after_create :send_notification

  private

    def send_notification
      channels = []
      watchers.each do |watcher|
        token = '<channel_name>-' + watcher.login
        channels.push(token)
      end
      ActsAsNotifiableRedmine::Notifications.send_notification(channels, <event_name>, {:title => 'Hello!', :message => 'This is a test message !'})
    end
end

(5) And to display them (put this in the layout) :

<% if User.current.logged? %>

  <%= javascript_tag do %>

    $(document).ready(function() {
      $.extend($.gritter.options, {
        fade_in_speed: 'fast',
        fade_out_speed: 'fast',
        time: 6000,
      });

      $(function() {
        var pusher = new Pusher('<%= ActsAsNotifiableRedmine::Notifications.courier.key %>');

        <% ActsAsNotifiableRedmine::Notifications.channels.each do |name, channel| %>
          var <%= j channel.identifier %> = pusher.subscribe('<%= channel.token %>');

          <%= channel.identifier %>.bind('subscription_error', function(status) {
            $.gritter.add({
              title: 'Pusher : <%= channel.identifier %>',
              text: 'Subscription error'
            });
          });

          <% channel.events.each do |event| %>
            <%= channel.identifier %>.bind('<%= event.name %>', function(data) {
              $.gritter.add({
                title: data.title,
                text: data.message,
                image: data.image,
                sticky: <%= event.sticky? %>,
              });
            });

          <% end %>

        <% end %>

      });
    });
  <% end %>
<% end %>

Note : gritter is not bundled with this gem. If you're using Redmine Pusher Notifications this part is already done by the plugin.

Contribute

You can contribute to this plugin in many ways such as :

  • Helping with documentation
  • Contributing code (features or bugfixes)
  • Reporting a bug
  • Submitting translations