bornhack-website/src/utils/models.py

69 lines
2.1 KiB
Python

import uuid
from django.core.exceptions import ValidationError
from django.contrib import messages
from django.db import models
class CleanedModel(models.Model):
class Meta:
abstract = True
def save(self, **kwargs):
try:
# call this models full_clean() method before saving,
# which in turn calls .clean_fields(), .clean() and .validate_unique()
# self.full_clean()
# for some reason self.full_clean() appears to call self.clean() before self.clean_fields()
# which is not supposed to happen. Call them manually one by one instead.
self.clean_fields()
self.clean()
self.validate_unique()
except ValidationError as e:
message = "Got ValidationError while saving: %s" % e
if hasattr(self, 'request'):
messages.error(self.request, message)
print(message)
# dont save, re-raise the exception
raise
super(CleanedModel, self).save(**kwargs)
class UUIDModel(CleanedModel):
class Meta:
abstract = True
uuid = models.UUIDField(
primary_key=True,
default=uuid.uuid4,
editable=False,
)
class CreatedUpdatedModel(CleanedModel):
class Meta:
abstract = True
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
class CampRelatedModel(CreatedUpdatedModel):
class Meta:
abstract = True
def save(self, **kwargs):
if self.camp.read_only:
if hasattr(self, 'request'):
messages.error(self.request, 'Camp is in read only mode.')
raise ValidationError('This camp is in read only mode.')
super(CampRelatedModel, self).save(**kwargs)
def delete(self, **kwargs):
if self.camp.read_only:
if hasattr(self, 'request'):
messages.error(self.request, 'Camp is in read only mode.')
raise ValidationError('This camp is in read only mode.')
super(CampRelatedModel, self).save(**kwargs)