bornhack-website/src/utils/models.py

114 lines
3.4 KiB
Python

import logging
import uuid
from django.contrib import messages
from django.contrib.postgres.fields import ArrayField
from django.core.exceptions import ValidationError
from django.db import models
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(exclude=None)
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 CampReadOnlyModeError(ValidationError):
pass
class CampRelatedModel(CreatedUpdatedModel):
camp_filter = "camp"
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 CampReadOnlyModeError("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 CampReadOnlyModeError("This camp is in read only mode.")
super().delete(**kwargs)
@classmethod
def get_camp_filter(cls):
return cls.camp_filter
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."
}
)