add delay to sources fetch from webhook

Author: olegantonyan

app/controllers/inbound_webhooks_controller.rb

@@ -3,7 +3,7 @@ class InboundWebhooksController < ::ActionController::Base # rubocop: disable Ra
   before_action :verify!
 
   def trigger
-    ::Task::Starter.new(webhook.project).call
+    ::Task::Starter.new(webhook.project).call(sources_fetch_delay: 20.seconds)
     head(:ok)
   rescue ::ActiveRecord::RecordInvalid
     head(:unprocessable_entity)

app/jobs/sources_fetch_job.rb

@@ -2,12 +2,16 @@ class SourcesFetchJob < ::ApplicationJob
   queue_as :long
 
   class << self
-    def start(project, task = nil)
+    def start(project, task = nil, delay: nil)
       return if project.fetching?
       return if task && !task.pending_fetch?
 
       project.fetching!
-      perform_later(project.id, task&.id)
+      if delay
+        set(wait: delay).perform_later(project.id, task&.id)
+      else
+        perform_later(project.id, task&.id)
+      end
     end
   end
 

app/models/task/starter.rb

@@ -6,7 +6,7 @@ def initialize(project, skip_fetch: false, distro_ids: nil)
       @skip_fetch = skip_fetch
     end
 
-    def call # rubocop: disable Metrics/MethodLength
+    def call(sources_fetch_delay: nil) # rubocop: disable Metrics/MethodLength
       create_source_tarball_if_not_exists
 
       task = project.tasks.build(distro_ids: distro_ids)
@@ -17,7 +17,7 @@ def call # rubocop: disable Metrics/MethodLength
         task.state = 'pending_fetch'
       end
       if task.save && task.pending_fetch?
-        ::SourcesFetchJob.start(project, task)
+        ::SourcesFetchJob.start(project, task, delay: sources_fetch_delay)
       end
       task
     end