Created
October 31, 2013 22:03
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Paperclip vs CarrierWave
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class ImageQuestion < TextQuestion | |
store :data, accessors: [:image] | |
mount_uploader :image, ImageUploader | |
validates :image, download: true, processing: true | |
end | |
class ImageUploader < CarrierWave::Uploader::Base | |
include CarrierWave::MiniMagick | |
resize_to_limit nil, 800 | |
version :resized do | |
resize_to_limit nil, 250 | |
end | |
end |
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require "active_support/core_ext/numeric/bytes" | |
require "active_support/inflector/transliterate" | |
require "uri" | |
class ImageQuestion < TextQuestion | |
store :data, | |
accessors [:image_file_name, :image_content_type, | |
:image_file_size, :image_updated_at, :image_size] | |
has_attached_file :image, styles: {resized: "x250>"}, | |
whiny: false | |
validates_attachment :image, | |
presence: {if: -> { [image_url, image_file].all?(&:blank?) }}, | |
content_type: {content_type: ["image/jpeg", "image/gif", "image/png"], allow_blank: true}, | |
size: {in: 0..1.megabyte} | |
validate :validate_image_url | |
attr_reader :image_url | |
def image_url=(url) | |
begin | |
@image_url = url | |
self.image = URI.parse(url) | |
rescue | |
self.image = nil | |
end if url.present? | |
end | |
attr_reader :image_file | |
def image_file=(file) | |
begin | |
@image_file = file | |
self.image = SanitizedFile.new(file) | |
rescue | |
self.image = nil | |
end if file.present? | |
end | |
private | |
def validate_image_url | |
if image_url.present? and image.blank? | |
errors.add(:image_url, :invalid) | |
end | |
end | |
class SanitizedFile < SimpleDelegator | |
include ActiveSupport::Inflector | |
# Because Paperclip chooses the adapter for uploaded files | |
# by looking at the class name | |
def self.name | |
"UploadedFile" | |
end | |
def original_filename | |
transliterate(__getobj__.original_filename) | |
end | |
end | |
end |
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