require "active_file/site" require "active_file/filename" # Schema: id, key, filename, content_type, metadata, byte_size, checksum, created_at class ActiveFile::Blob < ActiveRecord::Base self.table_name = "rails_blobs" has_secure_token :key store :metadata, coder: JSON class_attribute :site class << self def build_after_upload(io:, filename:, content_type: nil, metadata: nil) new.tap do |blob| blob.filename = name blob.content_type = content_type # Marcel::MimeType.for(data, name: name, declared_type: content_type) blob.upload io end end def create_after_upload!(io:, filename:, content_type: nil, metadata: nil) build_after_upload(io: io, filename: filename, content_type: content_type, metadata: metadata).tap(&:save!) end end # We can't wait until the record is first saved to have a key for it def key self[:key] ||= self.class.generate_unique_secure_token end def filename ActiveFile::Filename.new(self[:filename]) end def url(expires_in: 5.minutes) site.url key, expires_in: expires_in end def upload(io) site.upload(key, io) self.checksum = site.checksum(key) self.byte_size = site.byte_size(key) end def download site.download key end def delete site.delete key end def purge delete destroy end def purge_later ActiveFile::PurgeJob.perform_later(self) end end