87 lines
2.3 KiB
Ruby
87 lines
2.3 KiB
Ruby
# encoding: utf-8
|
|
module CarrierWave
|
|
module Uploader
|
|
module Versions
|
|
def recreate_version!(version)
|
|
already_cached = cached?
|
|
cache_stored_file! if !already_cached
|
|
send(version).store!
|
|
if !already_cached && @cache_id
|
|
tmp_dir = File.expand_path(File.join(cache_dir, cache_id), CarrierWave.root)
|
|
FileUtils.rm_rf(tmp_dir)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
class GalleryUploader < 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:
|
|
# storage :file
|
|
# storage :s3
|
|
|
|
# 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}"
|
|
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 :thumb do
|
|
# process :scale => [50, 50]
|
|
# end
|
|
|
|
version :thumb do
|
|
process :resize_to_limit => [200, 0]
|
|
end
|
|
|
|
version :theater do
|
|
process :resize_to_limit => [1920, 1080]
|
|
end
|
|
|
|
version :mobile do
|
|
process :resize_to_limit => [1152, 768]
|
|
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)
|
|
# end
|
|
|
|
# Override the filename of the uploaded files:
|
|
# def filename
|
|
# "something.jpg" if original_filename
|
|
# end
|
|
|
|
# def manipulate!
|
|
# raise current_path.inspect
|
|
# image = ::MiniMagick::Image.open(current_path)
|
|
# image = yield(image)
|
|
# image.write(current_path)
|
|
# ::MiniMagick::Image.open(current_path)
|
|
# rescue ::MiniMagick::Error, ::MiniMagick::Invalid => e
|
|
# raise CarrierWave::ProcessingError.new("Failed to manipulate with MiniMagick, maybe it is not an image? Original Error: #{e}")
|
|
# end
|
|
|
|
end
|
|
|