Class: ActiveStorage::Service::CascadeService

Inherits:
ActiveStorage::Service show all
Defined in:
lib/active_storage/service/cascade_service.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(primary:, secondaries:) ⇒ CascadeService

Returns a new instance of CascadeService.



20
21
22
23
# File 'lib/active_storage/service/cascade_service.rb', line 20

def initialize(primary:, secondaries:)
  @primary = primary
  @secondaries = secondaries
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *arguments, &block) ⇒ Object



48
49
50
51
52
53
54
# File 'lib/active_storage/service/cascade_service.rb', line 48

def method_missing(method_name, *arguments, &block)
  if primary.respond_to?(method_name)
    primary.send(method_name, *arguments, &block)
  else
    super
  end
end

Instance Attribute Details

#primaryObject (readonly)

Returns the value of attribute primary.



8
9
10
# File 'lib/active_storage/service/cascade_service.rb', line 8

def primary
  @primary
end

#secondariesObject (readonly)

Returns the value of attribute secondaries.



8
9
10
# File 'lib/active_storage/service/cascade_service.rb', line 8

def secondaries
  @secondaries
end

Class Method Details

.build(primary:, secondaries:, configurator:, **_options) ⇒ Object

:nodoc:



13
14
15
16
17
18
# File 'lib/active_storage/service/cascade_service.rb', line 13

def self.build(primary:, secondaries:, configurator:, **_options) #:nodoc:
  new(
    primary: configurator.build(primary),
    secondaries: configurator.build(secondaries)
  )
end

Instance Method Details

#download(key) ⇒ Object

Return the content of the file at the key.



26
27
28
# File 'lib/active_storage/service/cascade_service.rb', line 26

def download(key)
  service(key).download(key)
end

#download_chunk(key, range) ⇒ Object

Return the partial content in the byte range of the file at the key.



31
32
33
# File 'lib/active_storage/service/cascade_service.rb', line 31

def download_chunk(key, range)
  service(key).download_chunk(key, range)
end

#exist?(key) ⇒ Boolean

Return true if a file exists at the key.

Returns:

  • (Boolean)


36
37
38
# File 'lib/active_storage/service/cascade_service.rb', line 36

def exist?(key)
  [primary, *secondaries].any? { |svc| svc.exist?(key) }
end

#respond_to?(method_name, include_private = false) ⇒ Boolean

Returns:

  • (Boolean)


56
57
58
# File 'lib/active_storage/service/cascade_service.rb', line 56

def respond_to?(method_name, include_private = false)
  primary.respond_to?(method_name, include_private) || super
end

#url(key, expires_in:, disposition:, filename:, content_type:) ⇒ Object

Returns a signed, temporary URL for the file at the key. The URL will be valid for the amount of seconds specified in expires_in. You most also provide the disposition (:inline or :attachment), filename, and content_type that you wish the file to be served with on request.



43
44
45
46
# File 'lib/active_storage/service/cascade_service.rb', line 43

def url(key, expires_in:, disposition:, filename:, content_type:)
  service(key)
    .url(key, expires_in: expires_in, disposition: disposition, filename: filename, content_type: content_type)
end