Created
February 1, 2010 13:45
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| # encoding: utf-8 | |
| require 'carrierwave/processing/mini_magick' | |
| class PicUploader < CarrierWave::Uploader::Base | |
| include CarrierWave::MiniMagick | |
| # Choose what kind of storage to use for this uploader | |
| storage :grid_fs | |
| # 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 | |
| def cache_dir | |
| "#{RAILS_ROOT}/tmp/uploads" | |
| 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. | |
| # process :scale => [200, 300] | |
| # | |
| def scale(width, height) | |
| # do something | |
| resize_to_fit(width, height) | |
| end | |
| # Create different versions of your uploaded files | |
| version :thumb do | |
| process :resize_to_fill => [50, 50] | |
| end | |
| version :large do | |
| process :resize_to_fill => [500,300] | |
| end | |
| # Add a white list of extensions which are allowed to be uploaded, | |
| # for images you might use something like this: | |
| def extension_white_list | |
| %w(jpg jpeg gif png) | |
| end | |
| end |
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