From 548a8dc5eeef1ee5cf65fe8f26b731c99c649a59 Mon Sep 17 00:00:00 2001
From: Derek <58062710+derekl-beep@users.noreply.github.com>
Date: Sat, 8 Nov 2025 03:49:40 -0500
Subject: [PATCH] Add cascading delete behavior to activity.group. (#448)

---
 .../migration.sql                                            | 5 +++++
 prisma/schema.prisma                                         | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 prisma/migrations/20251103161018_add_ondelete_cascade_to_activity_groupid/migration.sql

diff --git a/prisma/migrations/20251103161018_add_ondelete_cascade_to_activity_groupid/migration.sql b/prisma/migrations/20251103161018_add_ondelete_cascade_to_activity_groupid/migration.sql
new file mode 100644
index 0000000..e4dfcaf
--- /dev/null
+++ b/prisma/migrations/20251103161018_add_ondelete_cascade_to_activity_groupid/migration.sql
@@ -0,0 +1,5 @@
+-- DropForeignKey
+ALTER TABLE "Activity" DROP CONSTRAINT "Activity_groupId_fkey";
+
+-- AddForeignKey
+ALTER TABLE "Activity" ADD CONSTRAINT "Activity_groupId_fkey" FOREIGN KEY ("groupId") REFERENCES "Group"("id") ON DELETE CASCADE ON UPDATE CASCADE;
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 820609a..b20aa0e 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -116,7 +116,7 @@ model ExpensePaidFor {
 
 model Activity {
   id            String       @id
-  group         Group        @relation(fields: [groupId], references: [id])
+  group         Group        @relation(fields: [groupId], references: [id], onDelete: Cascade)
   groupId       String
   time          DateTime     @default(now())
   activityType  ActivityType