Closes #12068: Establish a direct relationship from jobs to objects (#12075)

* Reference database object by GFK when running scripts & reports via UI

* Reference database object by GFK when running scripts & reports via API

* Remove old enqueue_job() method

* Enable filtering jobs by object

* Introduce ObjectJobsView

* Add tabbed views for report & script jobs

* Add object_id to JobSerializer

* Move generic relation to JobsMixin

* Clean up old naming

netbox/core/models/jobs.py

@@ -7,7 +7,6 @@ from django.contrib.contenttypes.models import ContentType
 from django.core.validators import MinValueValidator
 from django.db import models
 from django.urls import reverse
-from django.urls.exceptions import NoReverseMatch
 from django.utils import timezone
 from django.utils.translation import gettext as _
 
@@ -96,21 +95,12 @@ class Job(models.Model):
     def __str__(self):
         return str(self.job_id)
 
-    def delete(self, *args, **kwargs):
-        super().delete(*args, **kwargs)
-
-        rq_queue_name = get_config().QUEUE_MAPPINGS.get(self.object_type.model, RQ_QUEUE_DEFAULT)
-        queue = django_rq.get_queue(rq_queue_name)
-        job = queue.fetch_job(str(self.job_id))
-
-        if job:
-            job.cancel()
-
     def get_absolute_url(self):
-        try:
-            return reverse(f'extras:{self.object_type.model}_result', args=[self.pk])
-        except NoReverseMatch:
-            return None
+        # TODO: Employ dynamic registration
+        if self.object_type.model == 'reportmodule':
+            return reverse(f'extras:report_result', kwargs={'job_pk': self.pk})
+        if self.object_type.model == 'scriptmodule':
+            return reverse(f'extras:script_result', kwargs={'job_pk': self.pk})
 
     def get_status_color(self):
         return JobStatusChoices.colors.get(self.status)
@@ -130,6 +120,16 @@ class Job(models.Model):
 
         return f"{int(minutes)} minutes, {seconds:.2f} seconds"
 
+    def delete(self, *args, **kwargs):
+        super().delete(*args, **kwargs)
+
+        rq_queue_name = get_config().QUEUE_MAPPINGS.get(self.object_type.model, RQ_QUEUE_DEFAULT)
+        queue = django_rq.get_queue(rq_queue_name)
+        job = queue.fetch_job(str(self.job_id))
+
+        if job:
+            job.cancel()
+
     def start(self):
         """
         Record the job's start time and update its status to "running."
@@ -162,25 +162,27 @@ class Job(models.Model):
         self.trigger_webhooks(event=EVENT_JOB_END)
 
     @classmethod
-    def enqueue_job(cls, func, name, obj_type, user, schedule_at=None, interval=None, *args, **kwargs):
+    def enqueue(cls, func, instance, name='', user=None, schedule_at=None, interval=None, **kwargs):
         """
         Create a Job instance and enqueue a job using the given callable
 
         Args:
             func: The callable object to be enqueued for execution
+            instance: The NetBox object to which this job pertains
             name: Name for the job (optional)
-            obj_type: ContentType to link to the Job instance object_type
-            user: User object to link to the Job instance
+            user: The user responsible for running the job
             schedule_at: Schedule the job to be executed at the passed date and time
             interval: Recurrence interval (in minutes)
         """
-        rq_queue_name = get_queue_for_model(obj_type.model)
+        object_type = ContentType.objects.get_for_model(instance, for_concrete_model=False)
+        rq_queue_name = get_queue_for_model(object_type.model)
         queue = django_rq.get_queue(rq_queue_name)
         status = JobStatusChoices.STATUS_SCHEDULED if schedule_at else JobStatusChoices.STATUS_PENDING
         job = Job.objects.create(
+            object_type=object_type,
+            object_id=instance.pk,
             name=name,
             status=status,
-            object_type=obj_type,
             scheduled=schedule_at,
             interval=interval,
             user=user,
@@ -188,9 +190,9 @@ class Job(models.Model):
         )
 
         if schedule_at:
-            queue.enqueue_at(schedule_at, func, job_id=str(job.job_id), job_result=job, **kwargs)
+            queue.enqueue_at(schedule_at, func, job_id=str(job.job_id), job=job, **kwargs)
         else:
-            queue.enqueue(func, job_id=str(job.job_id), job_result=job, **kwargs)
+            queue.enqueue(func, job_id=str(job.job_id), job=job, **kwargs)
 
         return job