95 lines
2.4 KiB
Ruby
95 lines
2.4 KiB
Ruby
# encoding: utf-8
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module CarrierWave
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module Uploader
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module Versions
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def recreate_version!(version)
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already_cached = cached?
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cache_stored_file! if !already_cached
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send(version).store!
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if !already_cached && @cache_id
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tmp_dir = File.expand_path(File.join(cache_dir, cache_id), CarrierWave.root)
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FileUtils.rm_rf(tmp_dir)
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end
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end
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end
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end
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end
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class GalleryUploader < CarrierWave::Uploader::Base
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# Include RMagick or ImageScience support:
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# include CarrierWave::RMagick
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# include CarrierWave::ImageScience
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include CarrierWave::MiniMagick
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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 :s3
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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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def fix_exif_rotation
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manipulate! do |img|
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img.tap(&:auto_orient)
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end
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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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# "/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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# version :thumb do
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# process :scale => [50, 50]
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# end
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version :thumb do
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process :fix_exif_rotation
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process :resize_to_fill => [200, 200]
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end
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version :theater do
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process :fix_exif_rotation
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process :resize_to_limit => [1920, 1080]
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end
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version :mobile do
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process :fix_exif_rotation
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process :resize_to_limit => [1152, 768]
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end
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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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# def filename
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# "something.jpg" if original_filename
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# end
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# def manipulate!
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# raise current_path.inspect
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# image = ::MiniMagick::Image.open(current_path)
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# image = yield(image)
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# image.write(current_path)
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# ::MiniMagick::Image.open(current_path)
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# rescue ::MiniMagick::Error, ::MiniMagick::Invalid => e
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# raise CarrierWave::ProcessingError.new("Failed to manipulate with MiniMagick, maybe it is not an image? Original Error: #{e}")
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# end
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end
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