99 lines
2.6 KiB
Ruby
99 lines
2.6 KiB
Ruby
# encoding: utf-8
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class AttachmentUploader < CarrierWave::Uploader::Base
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# Include RMagick or MiniMagick support:
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include CarrierWave::RMagick
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# include CarrierWave::Uploader::Processing
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# include CarrierWave::RMagick
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# include CarrierWave::MiniMagick
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def root
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Rails.root.join 'public/'
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end
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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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def cover
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manipulate! do |frame, index|
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index== 0 ? frame.convert(:jpg) : nil
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end
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end
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version :thumb ,:if=>:image? do
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process :resize_to_fill => [64, 64]
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process :convert => :jpg
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def full_filename(for_file)
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super.chomp(File.extname(super)) + '.jpg'
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end
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end
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version :cover , :if=>:image? do
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process :cover
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process :resize_to_fit => [64,64]
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process :convert => :jpg
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def full_filename(for_file)
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super.chomp(File.extname(super)) + '.jpg'
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end
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end
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version :thumb_small , :if=>:image? do
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process :resize_to_fill => [32, 32]
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end
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version :thumb_big , :if=>:image? do
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process :resize_to_fill => [200, 200]
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process :convert => :jpg
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def full_filename(for_file)
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super.chomp(File.extname(super)) + '.jpg'
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end
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end
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version :resized, :if=>:image? do
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process :resize_to_fit => [1024,1024]
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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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# version :thumb do
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# process :scale => [50, 50]
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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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# 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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protected
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def image?(file)
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%w(jpg png jpeg).include?(File.extname(full_filename(file)))
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end
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end
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