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Class: ActiveStorage::Attached::Changes::CreateOne

Do not use. This class is for internal use only.
Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Subclasses:
CreateOneOfMany
Inherits: Object
Defined in: activestorage/lib/active_storage/attached/changes/create_one.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(name, record, attachable) ⇒ CreateOne

[ GitHub ] 

  


# File 'activestorage/lib/active_storage/attached/changes/create_one.rb', line 10



def initialize(name, record, attachable)
  @name, @record, @attachable = name, record, attachable
  blob.identify_without_saving
end


  







Instance Attribute Details



  

    #attachable   (readonly)
  

  [ GitHub ]


  

  


# File 'activestorage/lib/active_storage/attached/changes/create_one.rb', line 8



attr_reader :name, :record, :attachable


  








  

    #name   (readonly)
  

  [ GitHub ]


  

  


# File 'activestorage/lib/active_storage/attached/changes/create_one.rb', line 8



attr_reader :name, :record, :attachable


  








  

    #record   (readonly)
  

  [ GitHub ]


  

  


# File 'activestorage/lib/active_storage/attached/changes/create_one.rb', line 8



attr_reader :name, :record, :attachable


  







Instance Method Details



  

    #attachment  
  

  [ GitHub ]


  

  


# File 'activestorage/lib/active_storage/attached/changes/create_one.rb', line 15



def attachment
  @attachment ||= find_or_build_attachment
end


  








  

    #attachment_service_name   (private)
  

  [ GitHub ]


  

  


# File 'activestorage/lib/active_storage/attached/changes/create_one.rb', line 120



def attachment_service_name
  record.attachment_reflections[name].options[:service_name]
end


  








  

    #blob  
  

  [ GitHub ]


  

  


# File 'activestorage/lib/active_storage/attached/changes/create_one.rb', line 19



def blob
  @blob ||= find_or_build_blob
end


  








  

    #build_attachment   (private)
  

  [ GitHub ]


  

  


# File 'activestorage/lib/active_storage/attached/changes/create_one.rb', line 64



def build_attachment
  ActiveStorage::Attachment.new(record: record, name: name, blob: blob)
end


  








  

    #find_attachment   (private)
  

  [ GitHub ]


  

  


# File 'activestorage/lib/active_storage/attached/changes/create_one.rb', line 58



def find_attachment
  if record.public_send("#{name}_blob") == blob
    record.public_send("#{name}_attachment")
  end
end


  








  

    #find_or_build_attachment   (private)
  

  [ GitHub ]


  

  


# File 'activestorage/lib/active_storage/attached/changes/create_one.rb', line 54



def find_or_build_attachment
  find_attachment || build_attachment
end


  








  

    #find_or_build_blob   (private)
  

  [ GitHub ]


  

  


# File 'activestorage/lib/active_storage/attached/changes/create_one.rb', line 68



def find_or_build_blob
  case attachable
  when ActiveStorage::Blob
    attachable
  when ActionDispatch::Http::UploadedFile
    ActiveStorage::Blob.build_after_unfurling(
      io: attachable.open,
      filename: attachable.original_filename,
      content_type: attachable.content_type,
      record: record,
      service_name: attachment_service_name
    )
  when Rack::Test::UploadedFile
    ActiveStorage::Blob.build_after_unfurling(
      io: attachable.respond_to?(:open) ? attachable.open : attachable,
      filename: attachable.original_filename,
      content_type: attachable.content_type,
      record: record,
      service_name: attachment_service_name
    )
  when Hash
    ActiveStorage::Blob.build_after_unfurling(
      **attachable.reverse_merge(
        record: record,
        service_name: attachment_service_name
      ).symbolize_keys
    )
  when String
    ActiveStorage::Blob.find_signed!(attachable, record: record)
  when File
    ActiveStorage::Blob.build_after_unfurling(
      io: attachable,
      filename: File.basename(attachable),
      record: record,
      service_name: attachment_service_name
    )
  when Pathname
    ActiveStorage::Blob.build_after_unfurling(
      io: attachable.open,
      filename: File.basename(attachable),
      record: record,
      service_name: attachment_service_name
    )
  else
    raise(
      ArgumentError,
      "Could not find or build blob: expected attachable, " \
        "got #{attachable.inspect}"
    )
  end
end


  








  

    #save  
  

  [ GitHub ]


  

  


# File 'activestorage/lib/active_storage/attached/changes/create_one.rb', line 48



def save
  record.public_send("#{name}_attachment=", attachment)
  record.public_send("#{name}_blob=", blob)
end


  








  

    #upload  
  

  [ GitHub ]


  

  


# File 'activestorage/lib/active_storage/attached/changes/create_one.rb', line 23



def upload
  case attachable
  when ActionDispatch::Http::UploadedFile
    blob.upload_without_unfurling(attachable.open)
  when Rack::Test::UploadedFile
    blob.upload_without_unfurling(
      attachable.respond_to?(:open) ? attachable.open : attachable
    )
  when Hash
    blob.upload_without_unfurling(attachable.fetch(:io))
  when File
    blob.upload_without_unfurling(attachable)
  when Pathname
    blob.upload_without_unfurling(attachable.open)
  when ActiveStorage::Blob
  when String
  else
    raise(
      ArgumentError,
      "Could not upload: expected attachable, " \
        "got #{attachable.inspect}"
    )
  end
end