#69 feat(ReconciliationJar): Add total_cash_purchases field.

tienda_ilusion/don_confiao/models.py

@@ -69,12 +69,23 @@ class ReconciliationJar(models.Model):
     reconcilier = models.CharField(max_length=255, null=False, blank=False)
     cash_taken = models.DecimalField(max_digits=9, decimal_places=2)
     cash_discrepancy = models.DecimalField(max_digits=9, decimal_places=2)
+    total_cash_purchases = models.DecimalField(max_digits=9, decimal_places=2)
+
+    def clean(self):
+        self._validate_taken_ammount()
 
     def add_payments(self, payments):
         for payment in payments:
             self.payment_set.add(payment)
         self.is_valid = True
 
+    def _validate_taken_ammount(self):
+        ammount_cash = self.cash_taken + self.cash_discrepancy
+        if not self.total_cash_purchases == ammount_cash:
+            raise ValidationError(
+                {"cash_taken": _("The taken ammount has discrepancy.")}
+            )
+
 
 class Sale(models.Model):
     customer = models.ForeignKey(Customer, on_delete=models.PROTECT)