Class: Paperclip::Utils

Inherits:
Object
  • Object
show all
Defined in:
lib/paperclip_utils.rb

Constant Summary collapse

ALLOWED_CONTENT_TYPES = 
['application/pdf', 'image/png', 'image/x-png', 'image/gif', 'image/jpeg', 'image/pjpeg', 'image/jpg', 'image/tif', 'image/tiff', 'image/x-tiff']

Class Method Summary collapse

Class Method Details

.get_processors(content_type, processors: [:thumbnail], fallback_processors: [], allowed_content_types: ALLOWED_CONTENT_TYPES) ⇒ Object 



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# File 'lib/paperclip_utils.rb', line 6

def self.get_processors(content_type, processors: [:thumbnail], fallback_processors: [], allowed_content_types: ALLOWED_CONTENT_TYPES)
  if processors != []
    if processors.is_a?(Array)
      if processors.include?(:thumbnail) && content_type == 'application/pdf' && !processors.include?(:ghostscript)
        processors.unshift(:ghostscript)
      end
    elsif processors.is_a?(Symbol)
      processors = [processors]
    else
      processors = []
    end
  end
  
  if fallback_processors != []
    if fallback_processors.is_a?(Array)
      fallback_processors = fallback_processors
    elsif fallback_processors.is_a?(Symbol)
      fallback_processors = [fallback_processors]
    else
      fallback_processors = []
    end
  end
  
  return (allowed_content_types.include?(content_type) ? processors : fallback_processors)
end

.get_styles(content_type, styles: {preview: "600x800>", thumb: "100x100>"}, fallback_styles: {}, allowed_content_types: ALLOWED_CONTENT_TYPES) ⇒ Object 



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# File 'lib/paperclip_utils.rb', line 32

def self.get_styles(content_type, styles: {preview: "600x800>", thumb: "100x100>"}, fallback_styles: {}, allowed_content_types: ALLOWED_CONTENT_TYPES)
  if styles.is_a?(Hash)
    if ['application/pdf','image/tiff','image/tif','image/x-tiff'].include?(content_type)
      styles.each do |k,v|
        if v.is_a?(String)
          styles[k] = [v, :jpg]
        end
      end
    end
  else
    styles = {}
  end
  return (allowed_content_types.include?(content_type) ? styles : fallback_styles)
end