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Versions: 14
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Contents
require 'fileutils'
class FileUploader < CarrierWave::Uploader::Base
include CarrierWave::MiniMagick
storage :file
after :remove, :delete_empty_upstream_dirs
version :normalized, :if => :image? do
process :resize_to_limit => [1024,768]
end
version :preview, :if => :image? do
process :resize_to_limit => [100,100]
end
def timestamp
time=if model
model.created_at || Time.now
else
Time.now
end
time.strftime("%Y%m")
end
# With slash in first place it will be absolute url, otherwise relative to Rails.root+"/public"
def store_dir
if model
"uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{timestamp}/#{model.id}"
else
"uploads/misc"
end
end
def delete_empty_upstream_dirs
path = ::File.expand_path(store_dir, root)
#FileUtils.rm_rf path # always remove
# path = ::File.expand_path(base_store_dir, root)
Dir.delete(path) # fails if path not empty dir
rescue SystemCallError
true # nothing, the dir is not empty
end
def image?(file)
File.extname(file.filename.to_s).match(/jpg|JPG|jpeg|JPEG|png|PNG|gif|GIF/)
end
end
Version data entries
14 entries across 14 versions & 1 rubygems