Merge pull request 'Added command to prune users who never logged in' (#80) from Danhia/website:management/prune-users into main

Well maybe it will remove all users from the db but we can't know until we try it, can we ?

src/accounts/management/commands/prune_users.py

@@ -0,0 +1,24 @@
+from collections import defaultdict
+from django.core.management.base import BaseCommand, CommandError
+from accounts import models as acc_models
+from django.contrib.auth import models as auth_models
+from django.contrib.auth.models import timezone
+from datetime import timedelta
+
+class Command(BaseCommand):
+    help = 'Remove all users who never logged in'
+
+    def handle(self, *args, **options):
+        all_users = acc_models.UserProfileInfo.objects.filter(score=0).select_related()
+        to_remove = []
+        for elem in all_users:
+            user = elem.user
+            if user.last_login is None and user.date_joined < timezone.now() - timedelta(hours=72):
+                to_remove.append(user)
+        print("You are going to remove {} users.".format(len(to_remove)))        
+        answer = input("Continue ? [y/N] ")
+
+        if answer.lower() in ["y","yes"]:
+            for elem in to_remove:
+                elem.delete()
+            print("Users have been successfully pruned.")