changes

app/models.py

@@ -1998,6 +1998,7 @@ class Email_Job(models.Model):
     create_time = models.DateTimeField(null=True, auto_now_add=True)
     update_time = models.DateTimeField(null=True, auto_now=True)
 
+ 
     class Meta:
         db_table = 'email_job'
         
@@ -2011,8 +2012,6 @@ class Transaction_Discount(models.Model):
  
     class Meta:
         db_table = 'transaction_discount'
-        unique_together = ('transaction', 'discount')
-        
 
 class Co_Ownership(models.Model):
     transaction = models.ForeignKey(Transaction, null=False, related_name='co_op', on_delete=models.PROTECT)
@@ -2142,4 +2141,22 @@ class Utility(models.Model):
         verbose_name_plural = 'Utilities'
 
     def __str__(self):
-        return f"{self.name} ({self.code}) - Type: {self.utility_type}"
+        return f"{self.name} ({self.code}) - Type: {self.utility_type}"
+
+class Batch_Job(models.Model):
+    name = models.CharField(max_length=255)
+    workflow = models.ForeignKey(Workflow, on_delete=models.PROTECT, help_text="Workflow to execute")
+    cron_schedule = models.CharField(max_length=100, help_text="Cron-like schedule (e.g., '0 0 * * *' for daily at midnight)")
+    parameters = models.JSONField(default=dict, blank=True, help_text="Parameters to find data for the workflow context")
+    is_active = models.BooleanField(default=True, db_index=True)
+    last_run_at = models.DateTimeField(null=True, blank=True)
+    next_run_at = models.DateTimeField(null=True, blank=True, db_index=True)
+    
+    create_time = models.DateTimeField(auto_now_add=True)
+    update_time = models.DateTimeField(auto_now=True)
+
+    def __str__(self):
+        return self.name
+
+    class Meta:
+        db_table = 'batch_job'