98 lines
3.1 KiB
Python
98 lines
3.1 KiB
Python
from django.db import models
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from django.contrib.auth.models import User
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class Course(models.Model):
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"""Kurs-Model für Backend-Verwaltung"""
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name = models.CharField(max_length=200, verbose_name="Kurs-Name")
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code = models.CharField(max_length=50, unique=True, verbose_name="Kurs-Code") # z.B. "PROG-101"
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description = models.TextField(blank=True, verbose_name="Beschreibung")
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tutor = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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verbose_name="Tutor",
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related_name="courses_as_tutor"
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)
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is_active = models.BooleanField(default=True, verbose_name="Aktiv")
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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ordering = ['name']
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verbose_name = "Kurs"
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verbose_name_plural = "Kurse"
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def __str__(self):
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if self.tutor:
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return f"{self.code} - {self.name} (Tutor: {self.tutor.username})"
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return f"{self.code} - {self.name}"
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class Ticket(models.Model):
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STATUS_CHOICES = [
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("new", "Neu"),
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("in_progress", "In Bearbeitung"),
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("resolved", "Gelöst"),
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("pending_close", "Wartend - Schließen"),
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("closed", "Geschlossen"),
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]
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PRIORITY_CHOICES = [
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("low", "Niedrig"),
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("medium", "Mittel"),
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("high", "Hoch"),
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]
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title = models.CharField(max_length=200)
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description = models.TextField()
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status = models.CharField(max_length=20, choices=STATUS_CHOICES, default="new")
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priority = models.CharField(max_length=10, choices=PRIORITY_CHOICES, default="medium")
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course = models.ForeignKey(
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Course,
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on_delete=models.CASCADE,
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verbose_name="Kurs",
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related_name="tickets"
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)
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created_by = models.ForeignKey(
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User, related_name="tickets_created", on_delete=models.CASCADE
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)
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assigned_to = models.ForeignKey(
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User, related_name="tickets_assigned", null=True, blank=True, on_delete=models.CASCADE,
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)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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def __str__(self):
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return f"[{self.get_priority_display()}] {self.title} ({self.get_status_display()})"
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class Comment(models.Model):
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ticket = models.ForeignKey(
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"Ticket", on_delete=models.CASCADE, related_name="comments"
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)
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author = models.ForeignKey(User, on_delete=models.CASCADE)
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text = models.TextField()
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created_at = models.DateTimeField(auto_now_add=True)
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def __str__(self):
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return f"Kommentar von {self.author} zu Ticket #{self.ticket.id}"
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class TicketHistory(models.Model):
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ticket = models.ForeignKey(
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"Ticket", on_delete=models.CASCADE, related_name="history"
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)
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changed_by = models.ForeignKey(User, on_delete=models.SET_NULL, null=True)
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changed_at = models.DateTimeField(auto_now_add=True)
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field = models.CharField(max_length=100) # z. B. "status" oder "description"
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old_value = models.TextField(null=True, blank=True)
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new_value = models.TextField(null=True, blank=True)
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class Meta:
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ordering = ["-changed_at"]
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