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Contents
# encoding: utf-8
class AttachmentUploader < CarrierWave::Uploader::Base
include CarrierWave::MiniMagick
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}/#{model.id}"
end
# Create different versions of your uploaded files:
version :thumb , :if => :image? do
process :resize_to_fill => [32, 32]
end
version :preview , :if => :image? do
process :resize_to_fill => [186,117]
end
# see https://github.com/jnicklas/carrierwave/wiki/How-to%3A-Create-random-and-unique-filenames-for-all-versioned-files
def filename
"#{secure_token(5)}.#{file.extension}" if original_filename.present?
end
protected
def secure_token(length = 16)
model[:secure_token] ||= SecureRandom.hex(length / 2)
end
# see https://github.com/jnicklas/carrierwave/wiki/How-to%3A-Do-conditional-processing
def image?(new_file)
(new_file.content_type || model.content_type).include? 'image'
end
end
Version data entries
5 entries across 5 versions & 1 rubygems