class MediaAttachment < ApplicationRecord IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'] VIDEO_MIME_TYPES = ['video/webm'] belongs_to :account, inverse_of: :media_attachments belongs_to :status, inverse_of: :media_attachments has_attached_file :file, styles: lambda { |f| f.instance.image? ? { small: '510x680>' } : { small: { convert_options: { output: { vf: 'scale="min(510\, iw):min(680\, ih)":force_original_aspect_ratio=decrease' } }, format: 'png', time: 1 } } }, processors: lambda { |f| f.video? ? [:transcoder] : [:thumbnail] } 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? self.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 end