class MediaAttachment < ApplicationRecord IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze VIDEO_MIME_TYPES = ['video/webm', 'video/mp4'].freeze belongs_to :account, inverse_of: :media_attachments belongs_to :status, inverse_of: :media_attachments has_attached_file :file, styles: -> (f) { file_styles f }, processors: -> (f) { f.video? ? [:transcoder] : [:thumbnail] }, convert_options: { all: "-strip" } validates_attachment_content_type :file, content_type: IMAGE_MIME_TYPES + VIDEO_MIME_TYPES validates_attachment_size :file, less_than: 4.megabytes validates :account, presence: true def local? remote_url.blank? end def file_remote_url=(url) self.file = URI.parse(url) end def image? IMAGE_MIME_TYPES.include? file_content_type end def video? VIDEO_MIME_TYPES.include? file_content_type end def type image? ? 'image' : 'video' end private def self.file_styles(f) if f.instance.image? { original: '100%', small: '510x680>' } else { small: { convert_options: { output: { vf: 'scale=\'min(510\, iw):min(680\, ih)\':force_original_aspect_ratio=decrease' } }, format: 'png', time: 1 } } end end end