Class: Coalla::ImageUploader

Inherits:
CarrierWave::Uploader::Base
  • Object
show all
Includes:
CarrierWave::RMagick
Defined in:
lib/coalla/uploaders/image_uploader.rb

Direct Known Subclasses

MetaImageUploader

Instance Method Summary collapse

Instance Method Details

#set_image_properties ⇒ Object

You can call this method in your model For example before_save if: :image_changed? do

image.set_image_properties

end



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# File 'lib/coalla/uploaders/image_uploader.rb', line 19

def set_image_properties
  return if !model || !file

  model.send(setter(:file_name), file.filename) if model.respond_to?(setter(:file_name))
  model.send(setter(:size), file.size) if model.respond_to?(setter(:size))
  model.send(setter(:content_type), file.content_type) if model.respond_to?(setter(:content_type))
  if model.respond_to?(setter(:width)) && model.respond_to?(setter(:height))
    w, h = `identify -format "%wx %h" #{file.path.shellescape}`.split(/x/).map { |dim| dim.to_i }
    model.send(setter(:width), w)
    model.send(setter(:height), h)
  end
end

#store_dir ⇒ Object 



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# File 'lib/coalla/uploaders/image_uploader.rb', line 10

def store_dir
  "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
end

#watermark ⇒ Object

You can call this method with process in your uploader



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# File 'lib/coalla/uploaders/image_uploader.rb', line 33

def watermark
  return if !model || !model.respond_to?(getter(:watermarked?)) || !model.send(getter(:watermarked?))

  manipulate! do |img|
     = Magick::Image.read(Rails.root.join('app/assets/images/watermark.png')).first
    img.composite(, Magick::SouthEastGravity, 0, 0, Magick::OverCompositeOp)
  end
end