Class: CurationConcerns::FileActor

Inherits:
Object
  • Object
show all
Defined in:
app/actors/curation_concerns/file_actor.rb

Overview

actions for a file identified by file_set and relation (maps to use predicate)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file_set, relation, user) ⇒ FileActor

Returns a new instance of FileActor.

Parameters:

  • file_set (FileSet) —

    the parent FileSet

  • relation (String) —

    the type/use for the file.

  • user (User) —

    the user to record as the Agent acting upon the file



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# File 'app/actors/curation_concerns/file_actor.rb', line 9

def initialize(file_set, relation, user)
  @file_set = file_set
  @relation = relation
  @user = user
end

Instance Attribute Details

#file_set ⇒ Object (readonly)

Returns the value of attribute file_set.



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# File 'app/actors/curation_concerns/file_actor.rb', line 4

def file_set
  @file_set
end

#relation ⇒ Object (readonly)

Returns the value of attribute relation.



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# File 'app/actors/curation_concerns/file_actor.rb', line 4

def relation
  @relation
end

#user ⇒ Object (readonly)

Returns the value of attribute user.



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# File 'app/actors/curation_concerns/file_actor.rb', line 4

def user
  @user
end

Instance Method Details

#ingest_file(file) ⇒ Object

Puts the uploaded content into a staging directory. Then kicks off a job to characterize and create derivatives with this on disk variant. Simultaneously moving a preservation copy to the repostiory. TODO: create a job to monitor this directory and prune old files that have made it to the repo

Parameters:

  • file (File, ActionDigest::HTTP::UploadedFile, Tempfile) —

    the file to save in the repository



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# File 'app/actors/curation_concerns/file_actor.rb', line 21

def ingest_file(file)
  working_file = copy_file_to_working_directory(file, file_set.id)
  mime_type = file.respond_to?(:content_type) ? file.content_type : nil
  IngestFileJob.perform_later(file_set, working_file, mime_type, user.user_key, relation)
  make_derivative(file_set, working_file)
  true
end

#revert_to(revision_id) ⇒ Object 



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# File 'app/actors/curation_concerns/file_actor.rb', line 29

def revert_to(revision_id)
  repository_file = file_set.send(relation.to_sym)
  repository_file.restore_version(revision_id)

  return false unless file_set.save

  CurationConcerns::VersioningService.create(repository_file, user)

  # Retrieve a copy of the orginal file from the repository
  working_file = copy_repository_resource_to_working_directory(repository_file)
  make_derivative(file_set, working_file)
  true
end