feat: track pipeline priority in model

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

vulnerabilities/models.py

@@ -2262,6 +2262,10 @@ def requeue(self):
 class PipelineSchedule(models.Model):
     """The Database representation of a pipeline schedule."""
 
+    class ExecutionPriority(models.IntegerChoices):
+        HIGH = 1, "high"
+        DEFAULT = 2, "default"
+
     pipeline_id = models.CharField(
         max_length=600,
         help_text=("Identify a registered Pipeline class."),
@@ -2306,6 +2310,14 @@ class PipelineSchedule(models.Model):
         help_text=("Number of hours to wait between run of this pipeline."),
     )
 
+    run_priority = models.IntegerField(
+        null=False,
+        blank=False,
+        choices=ExecutionPriority.choices,
+        default=ExecutionPriority.DEFAULT,
+        help_text=("Select the pipeline execution priority"),
+    )
+
     schedule_work_id = models.CharField(
         max_length=255,
         unique=True,