Module: DiscourseEvent

Defined in:

lib/discourse_event.rb

Overview

This is meant to be used by plugins to trigger and listen to events So we can execute code when things happen.

Class Method Summary

• .clear ⇒ Object
• .events ⇒ Object

  Defaults to a hash where default values are empty sets.

• .on(event_name, &block) ⇒ Object
• .trigger(event_name, *params) ⇒ Object

Class Method Details

.clear ⇒ Object

# File 'lib/discourse_event.rb', line 20

def self.clear
  @events = nil
end

.events ⇒ Object

Defaults to a hash where default values are empty sets.

# File 'lib/discourse_event.rb', line 6

def self.events
  @events ||= Hash.new { |hash, key| hash[key] = Set.new }
end

.on(event_name, &block) ⇒ Object

# File 'lib/discourse_event.rb', line 16

def self.on(event_name, &block)
  events[event_name] << block
end

.trigger(event_name, *params) ⇒ Object

# File 'lib/discourse_event.rb', line 10

def self.trigger(event_name, *params)
  events[event_name].each do |event|
    event.call(*params)
  end
end