Noosfero/noosfero

class PushNotificationPlugin < Noosfero::Plugin
  include Noosfero::Plugin::HotSpot
  include PushNotificationPlugin::Observers

  def self.plugin_name
    I18n.t("push_notification_plugin.lib.plugin.name")
  end

  def self.subscribe(environment, notification, klass)
    return nil unless PushNotificationPlugin::NotificationSettings::NOTIFICATIONS.keys.include?(notification)
    return nil unless klass.name.constantize.respond_to?("push_notification_#{notification}_additional_users".to_sym)

    notification_subscription = PushNotificationPlugin::NotificationSubscription.where(notification: notification).first
    notification_subscription ||= PushNotificationPlugin::NotificationSubscription.new(notification: notification,
                                                                                       environment: environment, subscribers: [klass.name])

    notification_subscription.subscribers |= [klass.name]
    notification_subscription.save
  end

  def self.unsubscribe(environment, notification, klass)
    return nil unless PushNotificationPlugin::NotificationSettings::NOTIFICATIONS.keys.include?(notification)

    notification_subscription = PushNotificationPlugin::NotificationSubscription.where(notification: notification, environment: environment).first
    unless notification_subscription.blank?
      if notification_subscription.subscribers.include?(klass.name)
        notification_subscription.subscribers -= [klass.name]
        return notification_subscription.save
      end
    end
    return false
  end

  def self.subscribers(environment, notification)
    return nil unless PushNotificationPlugin::NotificationSettings::NOTIFICATIONS.keys.include?(notification)

    notification_subscription = PushNotificationPlugin::NotificationSubscription.where(notification: notification, environment: environment)
    return [] if notification_subscription.blank?

    notification_subscription.first.subscribers.map { |s| s.constantize }
  end

  def self.api_mount_points
    [PushNotificationPlugin::API]
  end

  def self.plugin_description
    I18n.t("push_notification_plugin.lib.plugin.description")
  end

  def stylesheet?
    true
  end

  def control_panel_entries
    [PushNotificationPlugin::ControlPanel::PushNotifications]
  end
end