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Optimise down to just the one SQL query for waiting invoices.

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Cuts down on all the unnecessary queries and selects everything in one go.
Down from ~6 queries per invoice
This commit is contained in:
Tom Price
2017-03-01 02:42:39 +00:00
parent 4773b43081
commit 7ec1c726a6
2 changed files with 14 additions and 6 deletions
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8
RIGS/models.py
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@@ -1,11 +1,11 @@
import datetime
import hashlib
import pytz
import random
import string
from collections import Counter
from decimal import Decimal
import pytz
import reversion
from django.conf import settings
from django.contrib.auth.models import AbstractUser
@@ -509,6 +509,8 @@ class Invoice(models.Model):
@property
def sum_total(self):
if getattr(self, '_sum_total', None):
return Decimal(getattr(self, '_sum_total'))
return self.event.sum_total
@property
@@ -517,6 +519,10 @@ class Invoice(models.Model):
@property
def payment_total(self):
if hasattr(self, '_payment_total') and hasattr(self, '_payment_count'):
if getattr(self, '_payment_count') == 0:
return Decimal(0.00)
return Decimal(getattr(self, '_payment_total', 0.00))
total = self.payment_set.aggregate(total=models.Sum('amount'))['total']
if total:
return total