terminus/app/structs/firmware.rb

# frozen_string_literal: true

require "core"
require "refinements/hash"

module Terminus
  module Structs
    # The firmware struct.
    class Firmware < DB::Struct
      include Terminus::Uploaders::Binary::Attachment[:attachment]

      using Refinements::Hash

      attr_reader :attachment_data

      def initialize(*, store: Hanami.app[:shrine].storages[:store])
        super(*)
        @store = store
        @attacher = attachment_attacher
      end

      def attachment_attributes
        attributes.fetch_value(:attachment_data, Core::EMPTY_HASH).deep_symbolize_keys
      end

      def attachment_destroy
        store.delete attachment_id if attachment_id
        attributes[:attachment_data].clear
      end

      def attachment_id = attachment_attributes[:id]

      def attachment_name = attachment_attributes.dig :metadata, :filename

      def attachment_open(**)
        io = store.open(attachment_id, **)
        yield io if block_given?
      ensure
        io.close
      end

      def attachment_size = attachment_attributes.dig :metadata, :size

      def attachment_type = attachment_attributes.dig :metadata, :mime_type

      def attachment_uri(**) = (store.url(attachment_id, **) if attachment_id)

      def attach(io, **)
        attacher.assign(io, **).tap { |file| attributes[:attachment_data] = file.data }
      end

      def replace(io, **)
        attachment_destroy
        upload(io, **)
        self
      end

      def upload(io, **)
        attacher.upload(io, **).tap { |file| attributes[:attachment_data] = file.data }
      end

      def errors = attacher.errors

      def valid? = errors.empty?

      private

      attr_reader :attacher, :store
    end
  end
end