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from django.db import models
from django.contrib.auth.models import User
from email.utils import parseaddr
# Reason a message was hidden.
# We're intentionally putting the prefix text in the array here, since
# we might need that flexibility in the future.
hide_reasons = [
None, # placeholder for 0
'This message has been hidden because a virus was found in the message.', # 1
'This message has been hidden because the message violated policies.', # 2
'This message has been hidden because for privacy reasons.', # 3
'This message was corrupt', # 4
]
class Message(models.Model):
threadid = models.IntegerField(null=False, blank=False)
mailfrom = models.TextField(null=False, db_column='_from')
to = models.TextField(null=False, db_column='_to')
cc = models.TextField(null=False)
subject = models.TextField(null=False)
date = models.DateTimeField(null=False)
messageid = models.TextField(null=False)
bodytxt = models.TextField(null=False)
# rawtxt is a bytea field, which django doesn't support (easily)
parentid = models.IntegerField(null=False, blank=False)
has_attachment = models.BooleanField(null=False, default=False)
hiddenstatus = models.IntegerField(null=True)
# fti is a tsvector field, which django doesn't support (easily)
class Meta:
db_table = 'messages'
@property
def printdate(self):
return self.date.strftime("%Y-%m-%d %H:%M:%S")
@property
def shortdate(self):
return self.date.strftime("%Y%m%d%H%M")
@property
def dateonly(self):
return self.date.strftime("%Y%m%d")
def from_name_only(self):
try:
return parseaddr(self.mailfrom)[0]
except Exception:
return ''
# We explicitly cache the attachments here, so we can use them
# multiple times from templates without generating multiple queries
# to the database.
_attachments = None
@property
def attachments(self):
if not self._attachments:
self._attachments = self.attachment_set.extra(select={'len': 'length(attachment)'}).all()
return self._attachments
@property
def hiddenreason(self):
if not self.hiddenstatus:
return None
try:
return hide_reasons[self.hiddenstatus]
except Exception:
# Weird value
return 'This message has been hidden.'
class ListGroup(models.Model):
groupid = models.IntegerField(null=False, primary_key=True)
groupname = models.CharField(max_length=200, null=False, blank=False)
sortkey = models.IntegerField(null=False)
class Meta:
db_table = 'listgroups'
class List(models.Model):
listid = models.IntegerField(null=False, primary_key=True)
listname = models.CharField(max_length=200, null=False, blank=False, unique=True)
shortdesc = models.TextField(null=False, blank=False)
description = models.TextField(null=False, blank=False)
active = models.BooleanField(null=False, blank=False)
group = models.ForeignKey(ListGroup, db_column='groupid', on_delete=models.CASCADE)
subscriber_access = models.BooleanField(null=False, blank=False, default=False, help_text="Subscribers can access contents (default is admins only)")
@property
def maybe_shortdesc(self):
if self.shortdesc:
return self.shortdesc
return self.listname
class Meta:
db_table = 'lists'
class Attachment(models.Model):
message = models.ForeignKey(Message, null=False, blank=False, db_column='message', on_delete=models.CASCADE)
filename = models.CharField(max_length=1000, null=False, blank=False)
contenttype = models.CharField(max_length=1000, null=False, blank=False)
# attachment = bytea, not supported by django at this point
class Meta:
db_table = 'attachments'
# Predictable same-as-insert order
ordering = ('id',)
def inlineable(self):
# Return True if this image should be inlined
if self.contenttype in ('image/png', 'image/gif', 'image/jpg', 'image/jpeg'):
# Note! len needs to be set with extra(select=)
if self.len < 75000:
return True
return False
class ListSubscriber(models.Model):
# Only used when public access is not allowed.
# We set the username of the community account instead of a
# foreign key, because the user might not exist.
list = models.ForeignKey(List, null=False, blank=False, on_delete=models.CASCADE)
username = models.CharField(max_length=30, null=False, blank=False)
class Meta:
unique_together = (('list', 'username'), )
db_table = 'listsubscribers'
class ResendMessage(models.Model):
message = models.ForeignKey(Message, null=False, blank=False, on_delete=models.CASCADE)
sendto = models.ForeignKey(User, null=False, blank=False, on_delete=models.CASCADE)
registeredat = models.DateTimeField(null=False, blank=False)
class Meta:
unique_together = (('message', 'sendto'), )
class LastResentMessage(models.Model):
sentto = models.OneToOneField(User, null=False, blank=False, primary_key=True, on_delete=models.CASCADE)
sentat = models.DateTimeField(null=False, blank=False)
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