Enhancement: disable-able mail rules, add toggle to overview (#7810)

src/paperless_mail/admin.py

@@ -53,7 +53,7 @@ class MailRuleAdmin(GuardedModelAdmin):
     }
 
     fieldsets = (
-        (None, {"fields": ("name", "order", "account", "folder")}),
+        (None, {"fields": ("name", "order", "account", "enabled", "folder")}),
         (
             _("Filter"),
             {

src/paperless_mail/mail.py

@@ -536,6 +536,9 @@ class MailAccountHandler(LoggingMixin):
                 )
 
                 for rule in account.rules.order_by("order"):
+                    if not rule.enabled:
+                        self.log.debug(f"Rule {rule}: Skipping disabled rule")
+                        continue
                     try:
                         total_processed_files += self._handle_mail_rule(
                             M,

src/paperless_mail/migrations/0026_mailrule_enabled.py

@@ -0,0 +1,21 @@
+# Generated by Django 5.1.1 on 2024-09-30 15:17
+
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        (
+            "paperless_mail",
+            "0025_alter_mailaccount_owner_alter_mailrule_owner_and_more",
+        ),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="mailrule",
+            name="enabled",
+            field=models.BooleanField(default=True, verbose_name="enabled"),
+        ),
+    ]

src/paperless_mail/models.py

@@ -115,6 +115,8 @@ class MailRule(document_models.ModelWithOwner):
         verbose_name=_("account"),
     )
 
+    enabled = models.BooleanField(_("enabled"), default=True)
+
     folder = models.CharField(
         _("folder"),
         default="INBOX",

src/paperless_mail/serialisers.py

@@ -74,6 +74,7 @@ class MailRuleSerializer(OwnedObjectSerializer):
             "id",
             "name",
             "account",
+            "enabled",
             "folder",
             "filter_from",
             "filter_to",

src/paperless_mail/tests/test_mail.py

@@ -1388,6 +1388,41 @@ class TestMail(
         self.assertEqual(len(self.mailMocker.bogus_mailbox.fetch("UNSEEN", False)), 0)
         self.assertEqual(len(self.mailMocker.bogus_mailbox.messages), 3)
 
+    def test_disabled_rule(self):
+        """
+        GIVEN:
+            - Mail rule is disabled
+        WHEN:
+            - Mail account is handled
+        THEN:
+            - Should not process any messages
+        """
+        account = MailAccount.objects.create(
+            name="test",
+            imap_server="",
+            username="admin",
+            password="secret",
+        )
+        MailRule.objects.create(
+            name="testrule",
+            account=account,
+            action=MailRule.MailAction.MARK_READ,
+            enabled=False,
+        )
+
+        self.mail_account_handler.handle_mail_account(account)
+        self.mailMocker.apply_mail_actions()
+
+        self.assertEqual(len(self.mailMocker.bogus_mailbox.messages), 3)
+        self.assertEqual(len(self.mailMocker.bogus_mailbox.fetch("UNSEEN", False)), 2)
+
+        self.mail_account_handler.handle_mail_account(account)
+        self.mailMocker.apply_mail_actions()
+        self.assertEqual(
+            len(self.mailMocker.bogus_mailbox.fetch("UNSEEN", False)),
+            2,
+        )  # still 2
+
 
 class TestManagementCommand(TestCase):
     @mock.patch(