Contents

# frozen_string_literal: true

require 'hanami/interactor'
require 'json'

module Umwelt::Abstract::File
  class Restore
    include Hanami::Interactor

    expose :struct

    def initialize(path: '.umwelt',
                   mapper: Struct)
      @path = path
      @mapper = mapper
    end

    private

    def read(path)
      path.read
    rescue Errno::ENOENT
      error! "Failed reading #{path}"
    end

    def parse(str)
      JSON.parse(str, symbolize_names: true)
    rescue JSON::ParserError
      error! "Failed JSON parsing #{self.class.name}"
    end

    def struct(struct_hash)
      clean @mapper.new.call(struct_hash)
    end

    def clean(result)
      if result.success?
        result.struct
      else
        error! result.errors
      end
    end

    def umwelt_root_path
      Pathname.pwd / @path
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
umwelt-0.1.1	lib/umwelt/abstract/file/restore.rb
umwelt-0.1.0	lib/umwelt/abstract/file/restore.rb