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Contents
# frozen_string_literal: true
module Spree::Image::PaperclipAttachment
extend ActiveSupport::Concern
included do
validate :no_attachment_errors
has_attached_file :attachment,
styles: { mini: '48x48>', small: '100x100>', product: '240x240>', large: '600x600>' },
default_style: :product,
default_url: 'noimage/:style.png',
url: '/spree/products/:id/:style/:basename.:extension',
path: ':rails_root/public/spree/products/:id/:style/:basename.:extension',
convert_options: { all: '-strip -auto-orient -colorspace sRGB' }
validates_attachment :attachment,
presence: true,
content_type: { content_type: %w[image/jpeg image/jpg image/png image/gif] }
# save the w,h of the original image (from which others can be calculated)
# we need to look at the write-queue for images which have not been saved yet
after_post_process :find_dimensions, if: :valid?
end
def url(size)
attachment.url(size)
end
def filename
attachment_file_name
end
def attachment_present?
attachment.present?
end
def find_dimensions
temporary = attachment.queued_for_write[:original]
filename = temporary.path unless temporary.nil?
filename = attachment.path if filename.blank?
geometry = Paperclip::Geometry.from_file(filename)
self.attachment_width = geometry.width
self.attachment_height = geometry.height
end
# if there are errors from the plugin, then add a more meaningful message
def no_attachment_errors
unless attachment.errors.empty?
# uncomment this to get rid of the less-than-useful interim messages
# errors.clear
errors.add :attachment, "Paperclip returned errors for file '#{attachment_file_name}' - check ImageMagick installation or image source file."
false
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems