51 lines
1.4 KiB
Ruby
51 lines
1.4 KiB
Ruby
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# encoding: utf-8
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class PreviewUploader < CarrierWave::Uploader::Base
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# Include RMagick or MiniMagick support:
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include CarrierWave::RMagick
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# Choose what kind of storage to use for this uploader:
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storage :file
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# storage :fog
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# Override the directory where uploaded files will be stored.
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# This is a sensible default for uploaders that are meant to be mounted:
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def store_dir
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"uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
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end
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# Provide a default URL as a default if there hasn't been a file uploaded:
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# def default_url
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# # For Rails 3.1+ asset pipeline compatibility:
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# # ActionController::Base.helpers.asset_path("fallback/" + [version_name, "default.png"].compact.join('_'))
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#
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# "/images/fallback/" + [version_name, "default.png"].compact.join('_')
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# end
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# Process files as they are uploaded:
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# process :scale => [200, 300]
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#
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# def scale(width, height)
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# # do something
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# end
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# Create different versions of your uploaded files:
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process :resize_to_fit => [1024, 768]
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# Add a white list of extensions which are allowed to be uploaded.
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# For images you might use something like this:
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def extension_white_list
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%w(jpg jpeg gif png)
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end
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# Override the filename of the uploaded files:
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# Avoid using model.id or version_name here, see uploader/store.rb for details.
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# def filename
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# "something.jpg" if original_filename
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# end
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end
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