Created
May 9, 2013 18:50
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| task :update_images => :environment do | |
| WorkImage.all.each do |model| | |
| if model.image.present? | |
| model.image.recreate_versions! | |
| model.save | |
| end | |
| end | |
| end |
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| class ImageUploader < CarrierWave::Uploader::Base | |
| include CarrierWave::RMagick | |
| storage :file | |
| # Override the directory where uploaded files will be stored. | |
| # This is a sensible default for uploaders that are meant to be mounted: | |
| def store_dir | |
| "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}" | |
| end | |
| # Provide a default URL as a default if there hasn't been a file uploaded: | |
| # def default_url | |
| # "/images/fallback/" + [version_name, "default.png"].compact.join('_') | |
| # end | |
| # Process files as they are uploaded: | |
| version :display, :if => :not_thumbnail? do | |
| process :resize_to_fit => [875, 1500] | |
| end | |
| version :thumbnail, :if => :thumbnail? do | |
| process :resize_to_fit => [150, 200] | |
| process :sepiatone | |
| end | |
| process :store_geometry | |
| def thumbnail? file | |
| model.thumbnail_enabled? | |
| end | |
| def not_thumbnail? file | |
| !model.thumbnail_enabled? | |
| end | |
| def store_geometry | |
| if @file && model | |
| img = ::Magick::Image::read(@file.file).first | |
| model.width = img.columns | |
| model.height = img.rows | |
| end | |
| end | |
| def sepiatone | |
| manipulate! do |img| | |
| # Convert the color image to monochrome | |
| img = img.quantize(256, Magick::GRAYColorspace).colorize(0.30, 0.30, 0.30, '#cc9933') | |
| end | |
| end | |
| # white list | |
| def extension_white_list | |
| %w(jpg jpeg gif png) | |
| end | |
| # Override the filename of the uploaded files: | |
| # Avoid using model.id or version_name here, see uploader/store.rb for details. | |
| # def filename | |
| # "something.jpg" if original_filename | |
| # end | |
| end |
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