Notify admins when a report is filed

bookwyrm/models/report.py

@@ -1,4 +1,5 @@
 """ flagged for moderation """
+from django.apps import apps
 from django.db import models
 from django.db.models import F, Q
 from .base_model import BookWyrmModel
@@ -15,6 +16,24 @@ class Report(BookWyrmModel):
     statuses = models.ManyToManyField("Status", blank=True)
     resolved = models.BooleanField(default=False)
 
+    def save(self, *args, **kwargs):
+        """ notify admins when a report is created """
+        super().save(*args, **kwargs)
+        user_model = apps.get_model("bookwyrm.User", require_ready=True)
+        # moderators and superusers should be notified
+        admins = user_model.objects.filter(
+            Q(user_permissions__name__in=["moderate_user", "moderate_post"]) |
+            Q(is_superuser=True)
+        ).all()
+        notification_model = apps.get_model("bookwyrm.Notification", require_ready=True)
+        for admin in admins:
+            notification_model.objects.create(
+                user=admin,
+                related_report=self,
+                notification_type="REPORT",
+            )
+
+
     class Meta:
         """ don't let users report themselves """