From 469feb0a7683542d09359bac37fe89a2ea7f9340 Mon Sep 17 00:00:00 2001
From: Ingo Wolf <me@ingowolf.au>
Date: Wed, 10 Dec 2025 15:13:43 +1100
Subject: [PATCH 1/3] add trigger for user deleted

---
 convex/auth.ts | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/convex/auth.ts b/convex/auth.ts
index 7c20d754..5772076b 100644
--- a/convex/auth.ts
+++ b/convex/auth.ts
@@ -1,6 +1,10 @@
-import { createClient, type GenericCtx } from "@convex-dev/better-auth";
+import {
+  AuthFunctions,
+  createClient,
+  type GenericCtx,
+} from "@convex-dev/better-auth";
 import { convex, crossDomain } from "@convex-dev/better-auth/plugins";
-import { components } from "./_generated/api";
+import { components, internal } from "./_generated/api";
 import { DataModel } from "./_generated/dataModel";
 import { query } from "./_generated/server";
 import { betterAuth } from "better-auth";
@@ -10,6 +14,8 @@ import authSchema from "./betterAuth/schema";
 
 const siteUrl = process.env.PUBLIC_CONVEX_SITE_URL!; // redirects to the convex deployment, which redirects to the referer. if it works don't touch it
 
+const authFunctions: AuthFunctions = internal.auth;
+
 // The component client has methods needed for integrating Convex with Better Auth,
 // as well as helper methods for general use.
 export const authComponent = createClient<DataModel, typeof authSchema>(
@@ -18,12 +24,20 @@ export const authComponent = createClient<DataModel, typeof authSchema>(
     local: {
       schema: authSchema,
     },
-  },
+    authFunctions,
+    triggers: {
+      user: {
+        onDelete: async (ctx, event) => {
+          console.log("user deleted", event);
+        },
+      },
+    },
+  }
 );
 
 export const createAuth = (
   ctx: GenericCtx<DataModel>,
-  { optionsOnly } = { optionsOnly: false },
+  { optionsOnly } = { optionsOnly: false }
 ) => {
   return betterAuth({
     logger: {
@@ -111,3 +125,5 @@ export const getCurrentUser = query({
     return authComponent.safeGetAuthUser(ctx);
   },
 });
+
+export const { onCreate, onDelete, onUpdate } = authComponent.triggersApi();

From 7234700e4407f81b8961a297ea0bedf9f87ba984 Mon Sep 17 00:00:00 2001
From: Ingo Wolf <me@ingowolf.au>
Date: Wed, 10 Dec 2025 15:14:59 +1100
Subject: [PATCH 2/3] add backup deletion

---
 convex/auth.ts | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/convex/auth.ts b/convex/auth.ts
index 5772076b..0b1fe021 100644
--- a/convex/auth.ts
+++ b/convex/auth.ts
@@ -27,8 +27,18 @@ export const authComponent = createClient<DataModel, typeof authSchema>(
     authFunctions,
     triggers: {
       user: {
-        onDelete: async (ctx, event) => {
-          console.log("user deleted", event);
+        onDelete: async (ctx, doc) => {
+          if (!doc?.userId) {
+            return;
+          }
+
+          const backups = await ctx.db
+            .query("backups")
+            .withIndex("by_user", (q) => q.eq("userId", doc.userId as string))
+            .collect();
+          for (const backup of backups) {
+            await ctx.db.delete(backup._id);
+          }
         },
       },
     },

From 42a5d741d8b47c1d606fe529b6f2338fa768d853 Mon Sep 17 00:00:00 2001
From: Inglan <Inglan@users.noreply.github.com>
Date: Wed, 10 Dec 2025 04:15:20 +0000
Subject: [PATCH 3/3] Prettified Code!

---
 convex/auth.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/convex/auth.ts b/convex/auth.ts
index 0b1fe021..25e07660 100644
--- a/convex/auth.ts
+++ b/convex/auth.ts
@@ -42,12 +42,12 @@ export const authComponent = createClient<DataModel, typeof authSchema>(
         },
       },
     },
-  }
+  },
 );
 
 export const createAuth = (
   ctx: GenericCtx<DataModel>,
-  { optionsOnly } = { optionsOnly: false }
+  { optionsOnly } = { optionsOnly: false },
 ) => {
   return betterAuth({
     logger: {