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Contents
# frozen_string_literal: true
module Alchemy
module PictureMonkeyPatch
def self.prepended(klass)
klass.has_many :thumbs, class_name: "Alchemy::PictureThumb", dependent: :destroy
klass.after_create -> { PictureThumb.generate_thumbs!(self) }
end
# Returns an url (or relative path) to a processed image for use inside an image_tag helper.
#
# Any additional options are passed to the url method, so you can add params to your url.
#
# Example:
#
# <%= image_tag picture.url(size: '320x200', format: 'png') %>
#
# @see Alchemy::PictureVariant#call for transformation options
# @see Alchemy::Picture::Url#call for url options
# @return [String|Nil]
def url(options = {})
return unless image_file
variant = PictureVariant.new(self, options.slice(*Picture::TRANSFORMATION_OPTIONS))
Picture::S3Url.new(variant).call(options.except(*Picture::TRANSFORMATION_OPTIONS).merge(
basename: name,
ext: variant.render_format,
name: name,
))
rescue ::Dragonfly::Job::Fetch::NotFound => e
log_warning(e.message)
nil
end
Picture::THUMBNAIL_SIZES = {
small: "80x60",
medium: "160x120",
large: "240x180",
}.with_indifferent_access.freeze
Picture.prepend(self)
end
end
Version data entries
10 entries across 10 versions & 1 rubygems