photomix/app/uploaders/file_uploader.rb
2011-01-12 16:40:39 +08:00

77 lines
2.1 KiB
Ruby

# encoding: utf-8
class FileUploader < CarrierWave::Uploader::Base
# Include RMagick or ImageScience support
include CarrierWave::RMagick
# include CarrierWave::ImageScience
# include CarrierWave::MiniMagick
# Choose what kind of storage to use for this uploader
if ENV['S3_KEY']
storage :s3
def cache_dir
"#{RAILS_ROOT}/tmp/uploads" if ENV['HEROKU'] == 'true'
end
else
storage :file
end
# 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}/#{mounted_as}/#{model.id}"
ENV['STORAGE_PATH'] + "/#{model.album.path}"
end
# Provide a default URL as a default if there hasn't been a file uploaded
# def default_url
# "/images/fallback/" + [version_name, "default.png"].compact.join('_')
# end
# Process files as they are uploaded.
# process :scale => [200, 300]
#
# def scale(width, height)
# # do something
# end
# Create different versions of your uploaded files
version :collection do
process :resize_to_fill => [200, 200]
def store_dir
ENV['STORAGE_PATH'] + "/thumbs/#{model.album.path}"
end
end
version :album do
process :resize_to_fill => [100, 100]
def store_dir
ENV['STORAGE_PATH'] + "/thumbs/#{model.album.path}"
end
end
version :preview do
process :resize_to_fit => [210, 210]
def store_dir
ENV['STORAGE_PATH'] + "/thumbs/#{model.album.path}"
end
end
version :single do
process :resize_to_limit => [950, 950]
def store_dir
ENV['STORAGE_PATH'] + "/thumbs/#{model.album.path}"
end
end
# Add a white list of extensions which are allowed to be uploaded,
# for images you might use something like this:
def extension_white_list
%w(jpg jpeg gif png bmp tiff)
end
# Override the filename of the uploaded files
# def filename
# "something.jpg" if original_filename
# end
end