Class: Event

Inherits:
Sequel::Model
  • Object
show all
Defined in:
backend/app/model/event.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.for_archival_record_merge(target, victims) ⇒ Object 



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# File 'backend/app/model/event.rb', line 108

def self.for_archival_record_merge(target, victims)
  user = User[:username => RequestContext.get(:current_username)]

  merge_note = ""
  victims.each do |victim|
    victim_json = victim.class.to_jsonmodel(victim)

    if victim_json['identifier']
      identifier = Identifiers.format(Identifiers.parse(victim_json['identifier']))
    else
      identifier = victim_json['digital_object_id']
    end

    merge_note += (identifier +
                   " -- " +
                   victim_json['title'] +
                   "\n")
  end

  event = JSONModel(:event).from_hash(
    :linked_agents => [{
                         "role" => "implementer",
                         "ref" => JSONModel(:agent_person).uri_for(user.agent_record_id)
                       }],
    :event_type => 'component_transfer',
    :outcome => 'pass',
    :outcome_note => merge_note,
    :timestamp => Time.now.utc.iso8601,
    :linked_records => [{:ref => target.uri, :role => 'outcome'}]
  )

  Event.create_from_json(event, :system_generated => true)
end

.for_cataloging(agent_uri, record_uri) ⇒ Object 



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# File 'backend/app/model/event.rb', line 92

def self.for_cataloging(agent_uri, record_uri)
  #build event
  event = JSONModel(:event).from_hash(
    :linked_agents => [{:ref => agent_uri, :role => 'implementer'}],
    :event_type => 'cataloged',
    :timestamp => Time.now.utc.iso8601,
    :linked_records => [{:ref => record_uri, :role => 'outcome'}]
  )


  RequestContext.in_global_repo do
    Event.create_from_json(event, :system_generated => true)
  end
end

.for_component_transfer(archival_object_uri, source_resource_uri, target_resource_uri) ⇒ Object

Some canned creators for system generated events



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# File 'backend/app/model/event.rb', line 69

def self.for_component_transfer(archival_object_uri, source_resource_uri, target_resource_uri)
  # first get the current user
  user = User[:username => RequestContext.get(:current_username)]

  # build event
  event = JSONModel(:event).from_hash({
                                        "event_type" => "component_transfer",
                                        "timestamp" => Time.now.utc.iso8601,
                                        "linked_records" => [
                                          {"role" => "source", "ref" => source_resource_uri},
                                          {"role" => "outcome", "ref" => target_resource_uri},
                                          {"role" => "transfer", "ref" => archival_object_uri},
                                        ],
                                        "linked_agents" => [
                                          {"role" => "implementer", "ref" => JSONModel(:agent_person).uri_for(user.agent_record_id)}
                                        ]
                                      })

  # save the event to the DB in the global context
  self.create_from_json(event, :system_generated => true)
end

.for_repository_transfer(old_repo, new_repo, record) ⇒ Object 



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# File 'backend/app/model/event.rb', line 143

def self.for_repository_transfer(old_repo, new_repo, record)
  event = {
    :linked_agents => [
                       {
                         "role" => "transmitter",
                         "ref" => JSONModel(:agent_corporate_entity).uri_for(old_repo.agent_representation_id)
                       },
                       {
                         "role" => "recipient",
                         "ref" => JSONModel(:agent_corporate_entity).uri_for(new_repo.agent_representation_id)
                       }
                      ].reject {|l| l['ref'].nil?},
    :linked_records => [
                        {
                          "role" => "transfer",
                          "ref" => record.uri
                        }
                       ],
    :event_type => 'custody_transfer',
    :timestamp => Time.now.utc.iso8601,
  }

  Event.create_from_json(JSONModel(:event).from_hash(event), :system_generated => true)
end

.sequel_to_jsonmodel(objs, opts = {}) ⇒ Object 



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# File 'backend/app/model/event.rb', line 52

def self.sequel_to_jsonmodel(objs, opts = {})
  jsons = super

  jsons.each do |json|
    if json['timestamp']
      json['timestamp'] = json['timestamp'].iso8601
    end
  end

  jsons
end

Instance Method Details

#has_active_linked_records? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'backend/app/model/event.rb', line 41

def has_active_linked_records?
  self.related_records(:event_link).each do |linked_record|
    if linked_record.values.has_key?(:suppressed) && linked_record[:suppressed] == 0
      return true
    end
  end

  return false
end