Initial commit

app/services/schedule_pipeline/schedule_pipeline.rb

@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+require_relative '../log/loggable'
+require_relative 'errors'
+require_relative 'publish_schedule'
+require_relative 'process_schedule'
+require_relative 'fetch_schedule'
+
+module SchedulePipeline
+  # Schedule Processing Pipeline
+  class SchedulePipeline
+    include Log::Loggable
+
+    def initialize(queue_factory)
+      errors = Errors.new
+      processed_schedules_queue = queue_factory.for_name(:processed_schedules)
+      publish_schedule = PublishSchedule.new(processed_schedules_queue, errors)
+      unprocessed_schedules_queue = queue_factory.for_name(:unprocessed_schedules)
+      process_schedule = ProcessSchedule.new(unprocessed_schedules_queue, processed_schedules_queue, errors)
+      fetch_schedule_queue = queue_factory.for_name(:fetch_vendor_schedules)
+      fetch_schedule = FetchSchedule.new(fetch_schedule_queue, unprocessed_schedules_queue, errors)
+      @queues = [processed_schedules_queue, unprocessed_schedules_queue, fetch_schedule_queue]
+      @stages = [publish_schedule, process_schedule, fetch_schedule]
+    end
+
+    def start
+      stages.each(&:start)
+      logger.info "Started Schedule Pipeline"
+    end
+
+    def stop
+      stages.reverse_each(&:stop)
+    end
+
+  private
+    def stages
+      @stages
+    end
+
+    def queues
+      @queues
+    end
+  end
+end