Files
openfoodnetwork/app/models/spree/image.rb
2020-09-01 17:09:22 +01:00

77 lines
3.0 KiB
Ruby

# frozen_string_literal: true
module Spree
class Image < Asset
validates_attachment_presence :attachment
validate :no_attachment_errors
has_attached_file :attachment,
styles: { mini: '48x48>', small: '100x100>',
product: '240x240>', large: '600x600>' },
default_style: :product,
url: '/spree/products/:id/:style/:basename.:extension',
path: ':rails_root/public/spree/products/:id/:style/:basename.:extension',
convert_options: { all: '-strip -auto-orient -colorspace RGB' }
# 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
include Spree::Core::S3Support
supports_s3 :attachment
Spree::Image.attachment_definitions[:attachment][:styles] =
ActiveSupport::JSON.decode(Spree::Config[:attachment_styles]).symbolize_keys!
Spree::Image.attachment_definitions[:attachment][:path] = Spree::Config[:attachment_path]
Spree::Image.attachment_definitions[:attachment][:url] = Spree::Config[:attachment_url]
Spree::Image.attachment_definitions[:attachment][:default_url] =
Spree::Config[:attachment_default_url]
Spree::Image.attachment_definitions[:attachment][:default_style] =
Spree::Config[:attachment_default_style]
# used by admin products autocomplete
def mini_url
attachment.url(:mini, false)
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
return if attachment.errors.empty?
errors.add :attachment, "Paperclip returned errors for file '#{attachment_file_name}' - check ImageMagick installation or image source file."
false
end
# Spree stores attachent definitions in JSON. This converts the style name and format to
# strings. However, when paperclip encounters these, it doesn't recognise the format.
# Here we solve that problem by converting format and style name to symbols.
# See also: ImageSettingsController decorator.
#
# eg. {'mini' => ['48x48>', 'png']} is converted to {mini: ['48x48>', :png]}
def self.format_styles(styles)
styles_a = styles.map do |name, style|
style[1] = style[1].to_sym if style.is_a? Array
[name.to_sym, style]
end
Hash[styles_a]
end
def self.reformat_styles
Spree::Image.attachment_definitions[:attachment][:styles] =
format_styles(Spree::Image.attachment_definitions[:attachment][:styles])
end
reformat_styles
end
end