Class: Ddr::Events::Event

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

Constant Summary collapse

DATE_TIME_FORMAT =

Event date time - for PREMIS and Solr

"%Y-%m-%dT%H:%M:%S.%LZ"
DEFAULT_SORT_ORDER =

set default ordering

"event_date_time ASC"
SUCCESS =

Outcomes

"success"
FAILURE = 
"failure"
OUTCOMES = 
[SUCCESS, FAILURE]
VALID =

Validation constants

"VALID"
INVALID = 
"INVALID"
SYSTEM =

For rendering “performed by” when no associated user

"SYSTEM"
DDR_SOFTWARE = 
"ddr-models #{Ddr::Models::VERSION}"

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.call(*args) ⇒ Object

Receive message sent by ActiveSupport::Notifications



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# File 'lib/ddr/events/event.rb', line 40

def self.call(*args)
  notification = ActiveSupport::Notifications::Event.new(*args)
  payload = notification.payload.dup
  payload[:event_date_time] ||= notification.time
  create do |event|
    event.attributes = payload.select { |k, v| event.has_attribute?(k) }
    yield [event, notification] if block_given?
  end
end

.for_object(obj) ⇒ Object 



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# File 'lib/ddr/events/event.rb', line 57

def self.for_object(obj)
  for_pid(obj.pid)
end

.for_pid(pid) ⇒ Object 



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# File 'lib/ddr/events/event.rb', line 61

def self.for_pid(pid)
  where(pid: pid)
end

.repository_software ⇒ Object

Repository software version – e.g., “Fedora Repository 3.7.0”



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# File 'lib/ddr/events/event.rb', line 51

def self.repository_software
  @@repository_software ||= ActiveFedora::Base.connection_for_pid(0).repository_profile
                                              .values_at(:repositoryName, :repositoryVersion)
                                              .join(" ")
end

Instance Method Details

#comment_or_summary ⇒ Object 



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# File 'lib/ddr/events/event.rb', line 74

def comment_or_summary
  comment.present? ? comment : summary
end

#display_type ⇒ Object 



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# File 'lib/ddr/events/event.rb', line 65

def display_type
  # Ddr::Events::UpdateEvent => "Update"
  @display_type ||= self.class.to_s.split("::").last.sub("Event", "").titleize
end

#event_date_time_s ⇒ Object

Return a date/time formatted as a string suitable for use as a PREMIS eventDateTime. Format also works for Solr. Force to UTC.



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# File 'lib/ddr/events/event.rb', line 113

def event_date_time_s
  event_date_time.utc.strftime DATE_TIME_FORMAT
end

#failure! ⇒ Object 



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# File 'lib/ddr/events/event.rb', line 86

def failure!
  self.outcome = FAILURE
end

#failure? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ddr/events/event.rb', line 90

def failure?
  outcome == FAILURE
end

#object ⇒ Object 



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# File 'lib/ddr/events/event.rb', line 94

def object
  @object ||= ActiveFedora::Base.find(pid) if pid
end

#object=(obj) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ddr/events/event.rb', line 98

def object=(obj)
  raise ArgumentError, "Can't set to new object" if obj.new_record?
  self.pid = obj.pid
  @object = obj
end

#performed_by ⇒ Object 



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# File 'lib/ddr/events/event.rb', line 70

def performed_by
  user_key || SYSTEM
end

#pid=(pid) ⇒ Object

Override pid setter to clear cached object instance variable



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# File 'lib/ddr/events/event.rb', line 105

def pid=(pid)
  @object = nil
  super
end

#success! ⇒ Object 



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# File 'lib/ddr/events/event.rb', line 78

def success!
  self.outcome = SUCCESS
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ddr/events/event.rb', line 82

def success?
  outcome == SUCCESS
end

#user=(user) ⇒ Object 



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# File 'lib/ddr/events/event.rb', line 117

def user=(user)
  self.user_key = user.user_key
end