Add management commands to find duplicate users/members

2 files changed, 58 insertions, 0 deletions

diff --git a/ssmain/management/commands/find_duplicate_users.py b/ssmain/management/commands/find_duplicate_users.py
new file mode 100644
index 0000000..cc63777
--- /dev/null
+++ b/ssmain/management/commands/find_duplicate_users.py
@@ -0,0 +1,29 @@
+#    Society Self-Service
+#    Copyright © 2018-2020  Yingtong Li (RunasSudo)
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+from django.core.management.base import BaseCommand, CommandError
+
+from django.contrib.auth.models import User
+from django.db.models import Count
+
+class Command(BaseCommand):
+	help = 'Finds Users with duplicate emails'
+	
+	def handle(self, *args, **options):
+		duplicates = User.objects.values('email').annotate(email_count=Count('email')).filter(email_count__gt=1)
+		
+		for d in duplicates:
+			print(d.email)
diff --git a/ssmembership/management/commands/find_duplicate_members.py b/ssmembership/management/commands/find_duplicate_members.py
new file mode 100644
index 0000000..c65d4ab
--- /dev/null
+++ b/ssmembership/management/commands/find_duplicate_members.py
@@ -0,0 +1,29 @@
+#    Society Self-Service
+#    Copyright © 2018-2020  Yingtong Li (RunasSudo)
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+from django.core.management.base import BaseCommand, CommandError
+
+from ssmembership.models import Member
+from django.db.models import Count
+
+class Command(BaseCommand):
+	help = 'Finds members with duplicate emails'
+	
+	def handle(self, *args, **options):
+		duplicates = Member.objects.values('email').annotate(email_count=Count('email')).filter(email_count__gt=1)
+		
+		for d in duplicates:
+			print(d.email)