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the amount of an expense can NOT be negative

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This commit is contained in:
Thomas Steen Rasmussen 2018-09-01 10:25:45 +02:00
parent 4123c2eb91
commit 1cd0551d5e
1 changed files with 6 additions and 1 deletions
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7
src/economy/models.py
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@ -4,6 +4,7 @@ from django.db import models
from django.conf import settings
from django.db import models
from django.contrib import messages
from django.core.exceptions import ValidationError
from utils.models import CampRelatedModel, UUIDModel
from .email import *
@ -27,7 +28,7 @@ class Expense(CampRelatedModel, UUIDModel):
amount = models.DecimalField(
decimal_places=2,
max_digits=12,
help_text='The amount of this expense in DKK. Must match the amount on the invoice uploaded below. The amount can be negative in some cases (like when returning bottle deposit).',
help_text='The amount of this expense in DKK. Must match the amount on the invoice uploaded below.',
)
description = models.CharField(
@ -71,6 +72,10 @@ class Expense(CampRelatedModel, UUIDModel):
help_text='Economy Team notes for this expense. Only visible to the Economy team and the submitting user.'
)
def clean(self):
if self.amount < 0:
raise ValidationError('Amount of an expense can not be negative')
@property
def invoice_filename(self):
return os.path.basename(self.invoice.file.name)