Class: ActiveStorageValidations::Metadata

Inherits:
Object
  • Object
show all
Includes:
ASVLoggable
Defined in:
lib/active_storage_validations/metadata.rb

Defined Under Namespace

Classes: InvalidImageError

Constant Summary collapse

DEFAULT_IMAGE_PROCESSOR = 
:mini_magick.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from ASVLoggable

#logger

Constructor Details

#initialize(attachable) ⇒ Metadata

Returns a new instance of Metadata.



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# File 'lib/active_storage_validations/metadata.rb', line 15

def initialize(attachable)
  require_image_processor
  @attachable = attachable
end

Instance Attribute Details

#attachable ⇒ Object (readonly)

Returns the value of attribute attachable.



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# File 'lib/active_storage_validations/metadata.rb', line 11

def attachable
  @attachable
end

Instance Method Details

#metadata ⇒ Object 



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# File 'lib/active_storage_validations/metadata.rb', line 27

def metadata
  read_image do |image|
    if rotated_image?(image)
      { width: image.height, height: image.width }
    else
      { width: image.width, height: image.height }
    end
  end
rescue InvalidImageError
  logger.info "Skipping image analysis because ImageMagick or Vips doesn't support the file"
  {}
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_storage_validations/metadata.rb', line 20

def valid?
  read_image
  true
rescue InvalidImageError
  false
end