40096-vm/core/models.py
2026-05-26 15:54:52 +00:00

91 lines
2.9 KiB
Python

import uuid
from django.conf import settings
from django.db import models
from django.urls import reverse
from django.utils import timezone
class Ticket(models.Model):
class Category(models.TextChoices):
TECHNICAL = "technical", "Technical"
BILLING = "billing", "Billing"
ACCESS = "access", "Access"
GENERAL = "general", "General"
class Priority(models.TextChoices):
LOW = "low", "Low"
NORMAL = "normal", "Normal"
HIGH = "high", "High"
URGENT = "urgent", "Urgent"
class Status(models.TextChoices):
NEW = "new", "New"
TRIAGE = "triage", "In triage"
WAITING = "waiting", "Waiting on requester"
RESOLVED = "resolved", "Resolved"
public_id = models.UUIDField(default=uuid.uuid4, editable=False, unique=True)
requester_name = models.CharField(max_length=120)
requester_email = models.EmailField()
subject = models.CharField(max_length=180)
description = models.TextField()
category = models.CharField(max_length=24, choices=Category.choices, default=Category.GENERAL)
priority = models.CharField(max_length=16, choices=Priority.choices, default=Priority.NORMAL)
status = models.CharField(max_length=24, choices=Status.choices, default=Status.NEW)
assigned_to = models.ForeignKey(
settings.AUTH_USER_MODEL,
null=True,
blank=True,
on_delete=models.SET_NULL,
related_name="assigned_tickets",
)
created_at = models.DateTimeField(default=timezone.now)
updated_at = models.DateTimeField(auto_now=True)
class Meta:
ordering = ["-updated_at", "-created_at"]
indexes = [
models.Index(fields=["status", "priority"]),
models.Index(fields=["created_at"]),
models.Index(fields=["public_id"]),
]
def __str__(self):
return f"#{self.pk or 'new'} {self.subject}"
def get_absolute_url(self):
return reverse("ticket_detail", kwargs={"public_id": self.public_id})
@property
def ticket_number(self):
if not self.pk:
return "SUP-new"
return f"SUP-{self.pk:04d}"
@property
def is_open(self):
return self.status != self.Status.RESOLVED
class TicketReply(models.Model):
ticket = models.ForeignKey(Ticket, on_delete=models.CASCADE, related_name="replies")
author_name = models.CharField(max_length=120)
author_email = models.EmailField(blank=True)
author_user = models.ForeignKey(
settings.AUTH_USER_MODEL,
null=True,
blank=True,
on_delete=models.SET_NULL,
related_name="ticket_replies",
)
body = models.TextField()
is_staff_reply = models.BooleanField(default=False)
created_at = models.DateTimeField(default=timezone.now)
class Meta:
ordering = ["created_at"]
def __str__(self):
return f"Reply by {self.author_name} on {self.ticket.ticket_number}"