# frozen_string_literal: true # == Schema Information # # Table name: preview_cards # # id :integer not null, primary key # status_id :integer # url :string default(""), not null # title :string # description :string # image_file_name :string # image_content_type :string # image_file_size :integer # image_updated_at :datetime # created_at :datetime not null # updated_at :datetime not null # type :integer default("link"), not null # html :text default(""), not null # author_name :string default(""), not null # author_url :string default(""), not null # provider_name :string default(""), not null # provider_url :string default(""), not null # width :integer default(0), not null # height :integer default(0), not null # class PreviewCard < ApplicationRecord IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze self.inheritance_column = false enum type: [:link, :photo, :video, :rich] belongs_to :status has_attached_file :image, styles: { original: '120x120#' }, convert_options: { all: '-quality 80 -strip' } include Attachmentable validates :url, presence: true validates_attachment_content_type :image, content_type: IMAGE_MIME_TYPES validates_attachment_size :image, less_than: 1.megabytes def save_with_optional_image! save! rescue ActiveRecord::RecordInvalid self.image = nil save! end end