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orbit-4-1/app/uploaders/image_uploader.rb

83 lines
2.2 KiB
Ruby

# encoding: utf-8
class ImageUploader < CarrierWave::Uploader::Base
require 'mime/types'
require 'carrierwave/processing/mini_magick'
include Sprockets::Helpers::RailsHelper
process :set_content_type
# Include RMagick or ImageScience support:
# include CarrierWave::RMagick
# include CarrierWave::ImageScience
include CarrierWave::MiniMagick
def set_content_type(*args)
content_type = file.content_type == ('binary/octet-stream' || 'application/octet-stream') || file.content_type.blank? ? MIME::Types.type_for(original_filename).first.to_s : file.content_type
self.file.instance_variable_set(:@content_type, content_type)
end
# 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
"#{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
def default_url
[version_name, (Site.first.default_image.file.url rescue "sign-in-logo.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, 200]
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 cache_dir
"#{Rails.root}/tmp/uploads"
end
def manipulate!
cache_stored_file! if !cached?
#raise File.extname(current_path.to_s).to_s
image = ::MiniMagick::Image.open(current_path)
# image = yield(image)
# image.write(current_path)
# ::MiniMagick::Image.open(current_path)
# rescue
# nil
end
end