Class: Event

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
lib/trackable/event.rb

Class Method Summary collapse

Class Method Details

.attributes_from(model, key, old_val, new_val) ⇒ Object 



3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
# File 'lib/trackable/event.rb', line 3

def self.attributes_from(model, key, old_val, new_val)
  return if old_val.blank? && new_val.blank? # not something we need to track.
  eventable_options = model.class.eventable_options
  return if Array(eventable_options[:exclude]).include?(key.to_sym)
  
  events       = eventable_options[:events]
  attr_options = events[key.to_sym] if events
  reference    = key.ends_with?("_id") ? key[0..-4].to_sym : key.to_sym
  association  = model.class.reflect_on_association(reference)
  
  message = if attr_options && attr_options[new_val]
    attr_options[new_val]
  elsif attr_options && msg_proc = attr_options[:message]
    association ? msg_proc.call(model.send(reference).to_s) : msg_proc.call(new_val)
  elsif association
    "#{key.humanize} changed to #{model.send(reference).to_s}"
  else
    "#{key.humanize} changed to #{new_val}"
  end
  {:field_name => key, :message => message, :whodunnit => Trackable.whodunnit}
end