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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:
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

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# 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

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# 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
  service_name = record.attachment_reflections[name].options[:service_name]
  if service_name.is_a?(Proc)
    service_name = service_name.call(record)
    ActiveStorage::Blob.validate_service_configuration(service_name, record.class, name)
  end
  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)

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# 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