add login feature

server/prisma/migrations/0_init/migration.sql

@@ -0,0 +1,29 @@
+
+-- 1. Enable necessary extensions
+CREATE EXTENSION IF NOT EXISTS "pgcrypto";
+CREATE EXTENSION IF NOT EXISTS "citext";
+
+-- 2. Define the Users table
+CREATE TABLE "public"."Users" (
+  "id" UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  "username" CITEXT UNIQUE NOT NULL,
+  "email" CITEXT UNIQUE NOT NULL,
+  "hashed_password" TEXT NOT NULL,
+  "created_at" TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  "updated_at" TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+-- 3. Create the function to update the timestamp
+CREATE OR REPLACE FUNCTION update_updated_at_column()
+RETURNS TRIGGER AS $$
+BEGIN
+  NEW.updated_at = NOW();
+  RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+-- 4. Create the trigger and attach it to the Users table
+CREATE TRIGGER update_users_updated_at
+BEFORE UPDATE ON "public"."Users"
+FOR EACH ROW
+  EXECUTE FUNCTION update_updated_at_column();