add tickets module

core/tickets/models.py

@@ -0,0 +1,33 @@
+from django.db import models
+from django_softdelete.models import SoftDeleteModel
+
+from inventory.models import Event
+
+
+class IssueThread(SoftDeleteModel):
+    id = models.AutoField(primary_key=True)
+    name = models.CharField(max_length=255)
+    state = models.CharField(max_length=255, default='new')
+    assigned_to = models.CharField(max_length=255, null=True)
+    last_activity = models.DateTimeField(auto_now=True)
+    manually_created = models.BooleanField(default=False)
+
+    class Meta:
+        permissions = [
+            ('send_mail', 'Can send mail'),
+            ('add_issuethread_manual', 'Can add issue thread manually'),
+        ]
+
+
+class Comment(models.Model):
+    id = models.AutoField(primary_key=True)
+    issue_thread = models.ForeignKey(IssueThread, on_delete=models.CASCADE, related_name='comments')
+    comment = models.TextField()
+    timestamp = models.DateTimeField(auto_now_add=True)
+
+
+class StateChange(models.Model):
+    id = models.AutoField(primary_key=True)
+    issue_thread = models.ForeignKey(IssueThread, on_delete=models.CASCADE, related_name='state_changes')
+    state = models.CharField(max_length=255)
+    timestamp = models.DateTimeField(auto_now_add=True)