train spam on state change to 'closed_spam'

core/tickets/migrations/0011_train_old_spam.py

@@ -0,0 +1,31 @@
+# Generated by Django 4.2.7 on 2024-06-23 02:17
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('mail', '0006_email_raw_file'),
+        ('tickets', '0010_issuethread_event_itemrelation_and_more'),
+    ]
+
+    def train_old_mails(apps, schema_editor):
+        from tickets.models import IssueThread
+        for t in IssueThread.objects.all():
+            try:
+                state = t.state
+                i = 0
+                for e in t.emails.all():
+                    if e.raw_file:
+                        if state == 'closed_spam' and i == 0:
+                            e.train_spam()
+                        else:
+                            e.train_ham()
+                    i += 1
+            except:
+                pass
+
+    operations = [
+        migrations.RunPython(train_old_mails),
+    ]

core/tickets/models.py

@@ -60,6 +60,8 @@ class IssueThread(SoftDeleteModel):
         if self.state == value:
             return
         self.state_changes.create(state=value)
+        if value == 'closed_spam' and self.emails.exists():
+            self.emails.first().train_spam()
 
     @property
     def assigned_to(self):