Merge pull request #36 from preisanalytics/jhuebl_add_data_to_scheduled_job_20160113

Add the possibility to schedule jobs with arguments

lib/crono/job.rb

@@ -6,12 +6,13 @@ module Crono
   class Job
     include Logging
 
-    attr_accessor :performer, :period, :last_performed_at,
+    attr_accessor :performer, :period, :job_args, :last_performed_at,
                   :next_performed_at, :job_log, :job_logger, :healthy, :execution_interval
 
-    def initialize(performer, period)
+    def initialize(performer, period, job_args)
       self.execution_interval = 0.minutes
       self.performer, self.period = performer, period
+      self.job_args = JSON.generate(job_args) 
       self.job_log = StringIO.new
       self.job_logger = Logger.new(job_log)
       self.next_performed_at = period.next
@@ -64,11 +65,11 @@ module Crono
       saved_log = model.reload.log || ''
       log_to_save = saved_log + job_log.string
       model.update(last_performed_at: last_performed_at, log: log_to_save,
-                   healthy: healthy)
+                   healthy: healthy, args: job_args)
     end
 
     def perform_job
-      performer.new.perform
+      performer.new.perform *JSON.parse(job_args)
     rescue StandardError => e
       handle_job_fail(e)
     else

lib/crono/performer_proxy.rb

@@ -1,13 +1,14 @@
 module Crono
   # Crono::PerformerProxy is a proxy used in cronotab.rb semantic
   class PerformerProxy
-    def initialize(performer, scheduler)
+    def initialize(performer, scheduler, job_args)
       @performer = performer
       @scheduler = scheduler
+      @job_args = job_args
     end
 
     def every(period, *args)
-      @job = Job.new(@performer, Period.new(period, *args))
+      @job = Job.new(@performer, Period.new(period, *args), @job_args)
       @scheduler.add_job(@job)
       self
     end
@@ -18,7 +19,7 @@ module Crono
     end
   end
 
-  def self.perform(performer)
-    PerformerProxy.new(performer, Crono.scheduler)
+  def self.perform(performer, *job_args)
+    PerformerProxy.new(performer, Crono.scheduler, job_args)
   end
 end

lib/generators/crono/install/templates/migrations/create_crono_jobs.rb

@@ -5,6 +5,7 @@ class CreateCronoJobs < ActiveRecord::Migration
       t.text      :log
       t.datetime  :last_performed_at
       t.boolean   :healthy
+      t.text      :args
       t.timestamps null: false
     end
     add_index :crono_jobs, [:job_id], unique: true