Free and open source ticket system written in python
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172from django.db import modelsfrom django.contrib.auth.models import AbstractUserfrom django.utils.translation import gettext_lazy as _from django.dispatch import receiverfrom django.db.models.signals import post_savefrom django.conf import settingsfrom django.core.mail import send_mail
class PawUser(AbstractUser): profile_picture = models.ImageField( upload_to='profile_pics/', null=True, blank=True) language = models.CharField(max_length=2, default='en') telegram_username = models.CharField(max_length=50, null=True, blank=True) use_darkmode = models.BooleanField(default=False) receive_email_notifications = models.BooleanField(default=True)
def __str__(self): return self.username
class GoogleSSOUser(models.Model): paw_user = models.OneToOneField( PawUser, on_delete=models.CASCADE, primary_key=True) google_id = models.CharField(max_length=255)
def __str__(self): return self.paw_user.username
class Meta: db_table = "google_sso_user" verbose_name = _("Google SSO User")
class MailTemplate(models.Model): event = models.CharField(max_length=100) language = models.CharField(max_length=2, default='en', choices=settings.LANGUAGES) name = models.CharField(max_length=200) subject = models.CharField(max_length=200) content = models.TextField()
@classmethod def get_template(cls, event, language='en'): template = cls.objects.filter(event=event, language=language).first() if not template: template = cls.objects.filter(event=event, language='en').first() return template def send_mail(self, to_list: list[str], context): try: send_mail( self.subject.format(**context), self.content.format(**context), settings.DEFAULT_FROM_EMAIL, to_list, fail_silently=False, ) except Exception as e: print(f"Error sending email with type {type(e)}: {e}")
def __str__(self): return f"{self.name} - [{self.event}]"
@receiver(post_save, sender=PawUser, dispatch_uid="new_user_notification")def new_user_notification(sender, instance, created, **kwargs): if not created or not instance.email: return None mail_template = MailTemplate.get_template('new_user', instance.language) if not mail_template: return None mail_template.send_mail([instance.email], { 'username': instance.username, 'email': instance.email })