1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
module Clockwork
module DatabaseEvents
class EventCollection
def initialize(manager=Clockwork.manager)
@events = []
@manager = manager
end
def add(event)
@events << event
end
def has_changed?(model)
return true if event.nil?
ignored_attributes = model.ignored_attributes if model.respond_to?(:ignored_attributes)
ignored_attributes ||= []
model_attributes = model.attributes.select do |k, _|
not ignored_attributes.include?(k.to_sym)
end
event.model_attributes != model_attributes
end
def unregister
events.each{|e| manager.unregister(e) }
end
private
attr_reader :events, :manager
# All events in the same collection (for a model instance) are equivalent
# so we can use any of them. Only their @at variable will be different,
# but we don't care about that here.
def event
events.first
end
end
end
end
|
