add functional for delete job

esi/scraper/service.py

@@ -32,3 +32,9 @@ class Service:
         job.end_time = datetime.now()
         job.status = 'FIN'
         job.save()
+
+    def delete_job(self, job):
+        job = Job.objects.get(pk=job)
+        job.status = 'DEL'
+        job.save()
+

esi/scraper/views.py

@@ -31,6 +31,8 @@ class JobListView(ListView):
             self.service.cancel_job(job_id)
         if action == 'update':
             self.service.update_jobs_status()
+        if action == 'delete':
+            self.service.delete_job(job_id)
         if action == 'new':
             return HttpResponseRedirect(reverse('new_job'))