Module: ActiveFedora::File::Attributes

Included in:
ActiveFedora::File
Defined in:
lib/active_fedora/file/attributes.rb

Instance Method Summary collapse

Instance Method Details

#assign_attributes(_) ⇒ Object 



4
5
6
 
# File 'lib/active_fedora/file/attributes.rb', line 4

def assign_attributes(_)
  # nop
end

#create_date ⇒ Object 



47
48
49
50
 
# File 'lib/active_fedora/file/attributes.rb', line 47

def create_date
  created = metadata.attributes["http://fedora.info/definitions/v4/repository#created"]
  created&.first
end

#digest ⇒ Object 



20
21
22
23
24
25
 
# File 'lib/active_fedora/file/attributes.rb', line 20

def digest
  response = metadata.ldp_source.graph.query({ predicate: RDF::Vocab::PREMIS.hasMessageDigest })
  # fallback on old predicate for checksum
  response = metadata.ldp_source.graph.query({ predicate: fallback_digest_predicate }) if response.empty?
  response.map(&:object)
end

#dirty_size ⇒ Object 



31
32
33
 
# File 'lib/active_fedora/file/attributes.rb', line 31

def dirty_size
  content.size if content_changed? && content.respond_to?(:size)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


43
44
45
 
# File 'lib/active_fedora/file/attributes.rb', line 43

def empty?
  !has_content?
end

#has_content? ⇒ Boolean

Returns:

  • (Boolean) 


39
40
41
 
# File 'lib/active_fedora/file/attributes.rb', line 39

def has_content?
  size&.positive?
end

#mime_type ⇒ Object 



8
9
10
 
# File 'lib/active_fedora/file/attributes.rb', line 8

def mime_type
  fetch_mime_type
end

#modified_date ⇒ Object 



52
53
54
55
 
# File 'lib/active_fedora/file/attributes.rb', line 52

def modified_date
  modified = metadata.attributes["http://fedora.info/definitions/v4/repository#lastModified"]
  modified&.first
end

#original_name ⇒ Object 



12
13
14
 
# File 'lib/active_fedora/file/attributes.rb', line 12

def original_name
  @original_name ||= fetch_original_name
end

#original_name=(name) ⇒ Object 



16
17
18
 
# File 'lib/active_fedora/file/attributes.rb', line 16

def original_name=(name)
  @original_name = name
end

#persisted_size ⇒ Object 



27
28
29
 
# File 'lib/active_fedora/file/attributes.rb', line 27

def persisted_size
  ldp_source.head.content_length unless new_record?
end

#size ⇒ Object 



35
36
37
 
# File 'lib/active_fedora/file/attributes.rb', line 35

def size
  dirty_size || persisted_size
end