Module: Events

Included in:
Accession, ArchivalObject, DigitalObject, DigitalObjectComponent, Resource
Defined in:
backend/app/model/mixins/events.rb

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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
44
45
46
47
48
49
 
# File 'backend/app/model/mixins/events.rb', line 3

def self.included(base)
  ArchivesSpaceService.loaded_hook do
    base.define_relationship(:name => :event_link,
                             :json_property => 'linked_events',
                             :contains_references_to_types => proc {[Event]},
                             :class_callback => proc {|clz|
                               clz.instance_eval do

                                 # If all of the records pointing to an event
                                 # have been suppressed, suppress the event
                                 # too.
                                 def self.handle_suppressed(ids, val)
                                   # Suppress the relationships
                                   super

                                   # Count how many unsuppressed records each event has.
                                   event_unsuppressed_counts = {}

                                   self.filter(:event_id => self.filter(:id => ids).select(:event_id)).each do |row|
                                     event_unsuppressed_counts[row[:event_id]] ||= 0

                                     if row[:suppressed] == 0
                                       event_unsuppressed_counts[row[:event_id]] += 1
                                     end
                                   end

                                   # An event whose linked records are all
                                   # suppressed gets suppressed.  Any other
                                   # event is unsuppressed.
                                   events_to_suppress = []
                                   events_to_unsuppress = []

                                   event_unsuppressed_counts.each do |event_id, count|
                                     if count == 0
                                       events_to_suppress << event_id
                                     else
                                       events_to_unsuppress << event_id
                                     end
                                   end

                                   ASModel.update_suppressed_flag(Event.filter(:id => events_to_suppress), true)
                                   ASModel.update_suppressed_flag(Event.filter(:id => events_to_unsuppress), false)
                                 end
                               end
                             })
  end
end