From 7cdf842cbb89b0e6bbaca81ad6b3774a3964950f Mon Sep 17 00:00:00 2001
From: Pedro Lunet <pedrolunet@gmail.com>
Date: Fri, 2 Oct 2026 10:22:31 +0100
Subject: [PATCH 1/2] chore: make seed script idempotent and update env

---
 .env.example       |  2 +-
 src/prisma/seed.ts | 14 +++++++++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/.env.example b/.env.example
index 65c1ed2..0330527 100644
--- a/.env.example
+++ b/.env.example
@@ -2,4 +2,4 @@
 # Connection string for PostgreSQL.
 # Requires PostgreSQL >= 15.
 
-DATABASE_URL="postgresql://neet:neet@localhost:5432/neet"
+DATABASE_URL="postgresql://neet:neet@127.0.0.1:5432/neet"
diff --git a/src/prisma/seed.ts b/src/prisma/seed.ts
index 94938d9..6bd9b2b 100644
--- a/src/prisma/seed.ts
+++ b/src/prisma/seed.ts
@@ -5,6 +5,19 @@ import { db } from "./db.ts";
 async function main() {
 	console.log("Seeding database... 🌱");
 
+	// Forcefully wipe the database tables before inserting using Prisma's raw SQL execution builder
+	await db
+		.runtime()
+		.execute(
+			db.raw.sql`DELETE FROM "public"."Availability"`.affectedCount().build(),
+		);
+	await db
+		.runtime()
+		.execute(db.raw.sql`DELETE FROM "public"."Event"`.affectedCount().build());
+	await db
+		.runtime()
+		.execute(db.raw.sql`DELETE FROM "public"."User"`.affectedCount().build());
+
 	// Create some users
 	const alice = await db.orm.public.User.create({
 		name: "Alice Silva",
@@ -29,7 +42,6 @@ async function main() {
 	});
 
 	// Add availability for Alice (she is free today 14:00 - 15:30)
-	// We use ZonedDateTime to get an accurate Instant for Lisbon time
 	const aliceStart = today
 		.toZonedDateTime({ timeZone: "Europe/Lisbon", plainTime: "14:00" })
 		.toInstant();

From 434f1da8fdbb70c99efa38fe96385f417f02526e Mon Sep 17 00:00:00 2001
From: Pedro Lunet <pedrolunet@gmail.com>
Date: Fri, 2 Oct 2026 10:53:23 +0100
Subject: [PATCH 2/2] feat: use dynamic postgres sql block to automatically
 find and wipe all tables

---
 src/prisma/seed.ts | 36 ++++++++++++++++++++++++------------
 1 file changed, 24 insertions(+), 12 deletions(-)

diff --git a/src/prisma/seed.ts b/src/prisma/seed.ts
index 6bd9b2b..c50bcec 100644
--- a/src/prisma/seed.ts
+++ b/src/prisma/seed.ts
@@ -5,18 +5,30 @@ import { db } from "./db.ts";
 async function main() {
 	console.log("Seeding database... 🌱");
 
-	// Forcefully wipe the database tables before inserting using Prisma's raw SQL execution builder
-	await db
-		.runtime()
-		.execute(
-			db.raw.sql`DELETE FROM "public"."Availability"`.affectedCount().build(),
-		);
-	await db
-		.runtime()
-		.execute(db.raw.sql`DELETE FROM "public"."Event"`.affectedCount().build());
-	await db
-		.runtime()
-		.execute(db.raw.sql`DELETE FROM "public"."User"`.affectedCount().build());
+	// Forcefully wipe ALL tables intelligently using a dynamic Postgres query!
+	// This automatically finds all your tables (even if you add new ones later)
+	// and TRUNCATES them, while ignoring Prisma's internal state tables.
+	const wipePlan = db.raw.sql`
+    DO $$ 
+    DECLARE
+        r RECORD;
+    BEGIN
+        FOR r IN (
+          SELECT tablename 
+          FROM pg_tables 
+          WHERE schemaname = 'public' 
+            AND tablename NOT LIKE 'prisma_%' 
+            AND tablename != '_prisma_migrations'
+        ) LOOP
+            EXECUTE 'TRUNCATE TABLE ' || quote_ident(r.tablename) || ' CASCADE';
+        END LOOP;
+    END $$;
+  `
+		.affectedCount()
+		.build();
+
+	await db.runtime().execute(wipePlan);
+	console.log("Database wiped perfectly! 🧹");
 
 	// Create some users
 	const alice = await db.orm.public.User.create({