A bunch of updates

company_site/financial/models.py

@@ -192,6 +192,7 @@ class ChargeNumber(IdMixin, TimeMixin):
         MAX_NUM_TASK_TYPES = "MAX", "MAX_NUM_TASK_TYPES"
 
     charge_number_type = EnumField(ChargeNumberTypeEnum)
+    name = models.CharField(max_length=100, blank=True, null=True)
 
     contract = models.ForeignKey(Contract, on_delete=models.CASCADE)
     amount = models.FloatField(default=0.0)
@@ -202,7 +203,7 @@ class ChargeNumber(IdMixin, TimeMixin):
     end_date = models.DateField(null=True, blank=True, default = None)
 
     def __str__(self):
-        return self.slug or f"CN-{self.id}"
+        return self.name or self.slug or f"CN-{self.id}"
 
     @property
     def get_percent_complete(self):