register_modules/app/uploaders/template_uploader.rb

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2014-12-30 11:52:45 +00:00
# encoding: utf-8
require 'carrierwave/processing/mime_types'
class TemplateUploader < CarrierWave::Uploader::Base
include CarrierWave::MimeTypes
process :set_content_type
# Include RMagick or ImageScience support:
# include CarrierWave::RMagick
# include CarrierWave::ImageScience
# 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
# override
def filename
@original_filename
end
# override
def original_filename=(filename)
@original_filename = super(filename)
if(@original_filename.bytesize > 200)
original_file_extension = File.extname(@original_filename)
@original_filename.force_encoding("ascii-8bit")
@original_filename = @original_filename[0, (200 - original_file_extension.bytesize)]
@original_filename.encode!("UTF-16BE", "UTF-8", :invalid => :replace, :undef => :replace, :replace => '')
@original_filename.encode!("UTF-8")
@original_filename += original_file_extension
end
@original_filename
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
# 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
# model.filename
# end
def cache_dir
"#{Rails.root}/tmp/uploads"
end
end