bornhack-website/src/utils/models.py
2017-05-21 20:57:16 +02:00

107 lines
3.2 KiB
Python

import uuid
from django.contrib.postgres.fields import ArrayField
from django.core.exceptions import ValidationError
from django.contrib import messages
from django.db import models
import logging
logger = logging.getLogger("bornhack.%s" % __name__)
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)
logger.error(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().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().delete(**kwargs)
class OutgoingEmail(CreatedUpdatedModel):
subject = models.CharField(max_length=500)
text_template = models.TextField()
html_template = models.TextField(blank=True)
sender = models.CharField(max_length=500)
to_recipients = ArrayField(
models.CharField(max_length=500, blank=True),
null=True,
blank=True
)
cc_recipients = ArrayField(
models.CharField(max_length=500, blank=True),
null=True,
blank=True
)
bcc_recipients = ArrayField(
models.CharField(max_length=500, blank=True),
null=True,
blank=True
)
attachment = models.FileField(blank=True)
processed = models.BooleanField(default=False)
def __str__(self):
return 'OutgoingEmail Object id: {} '.format(self.id)
def clean(self):
if not self.to_recipients \
and not self.bcc_recipients \
and not self.cc_recipients:
raise ValidationError(
{'recipient': 'either to_recipient, bcc_recipient or cc_recipient required.'}
)