my_batch_executor.rb

my_batch_executor.rb

class MyFatalError < StandardError; end
class MyRetryableError < StandardError; end

class MyBatchExecutor
  def initialize(*batches)
    @batches = batches
  end

  def execute
    retryable = true
    @batches.each.with_index(1) do |batch, i|
      batch.call
    rescue RuntimeError => e
      puts "Item #{i} failed: #{e.class}, #{e.message}"
      next
    rescue MyFatalError => e
      puts "Item #{i} failed: #{e.class}, #{e.message}"
      return
    rescue MyRetryableError => e
      puts "Item #{i} failed: #{e.class}, #{e.message}"
      if retryable
        retryable = false
        redo
      else
        retryable = true
        next
      end
    end
    puts 'Batch complete'
  end
end