feat: integrate Prisma for MongoDB with initial schema and seed data

package.json

@@ -15,19 +15,21 @@
     "lucide-react": "^0.460.0",
     "next": "15.0.3",
     "next-themes": "^0.4.3",
+    "prisma": "^5.22.0",
     "react": "19.0.0-rc-66855b96-20241106",
     "react-dom": "19.0.0-rc-66855b96-20241106",
     "tailwind-merge": "^2.5.4",
     "tailwindcss-animate": "^1.0.7"
   },
   "devDependencies": {
-    "typescript": "^5",
+    "@prisma/client": "^5.22.0",
     "@types/node": "^20",
     "@types/react": "^18",
     "@types/react-dom": "^18",
+    "eslint": "^8",
+    "eslint-config-next": "15.0.3",
     "postcss": "^8",
     "tailwindcss": "^3.4.1",
-    "eslint": "^8",
-    "eslint-config-next": "15.0.3"
+    "typescript": "^5"
   }
 }

prisma/schema.prisma

@@ -0,0 +1,18 @@
+generator client {
+  provider = "prisma-client-js"
+  output   = "../node_modules/.prisma/client"
+}
+
+datasource db {
+  provider = "mongodb"
+  url      = env("DATABASE_URL")
+}
+
+model Snippet {
+  id        String   @id @default(auto()) @map("_id") @db.ObjectId
+  title     String
+  language  String
+  code      String
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+}

prisma/seed.ts

@@ -0,0 +1,57 @@
+import prisma from "@/lib/prisma";
+
+async function main() {
+  await prisma.snippet.createMany({
+    data: [
+      {
+        title: "Hello World in JavaScript",
+        language: "JavaScript",
+        code: `console.log("Hello, World!");
+
+function greet(name) {
+  return "Hello, " + name + "!";
+}
+
+console.log(greet("Prisma"));`,
+      },
+      {
+        title: "Hello World in Python",
+        language: "Python",
+        code: `print("Hello, World!")
+
+def greet(name):
+    return f"Hello, {name}!"
+
+print(greet("Prisma"))`,
+      },
+      {
+        title: "Hello World in Java",
+        language: "Java",
+        code: `public class HelloWorld {
+  public static void main(String[] args) {
+    System.out.println("Hello, World!");
+  }
+
+  public static String greet(String name) {
+    return "Hello, " + name + "!";
+  }
+
+  public static void main(String[] args) {
+    System.out.println(greet("Prisma"));
+  }
+}`,
+      },
+    ],
+  });
+
+  console.log("Seeding completed.");
+}
+
+main()
+  .catch((e) => {
+    console.error(e);
+    process.exit(1);
+  })
+  .finally(async () => {
+    await prisma.$disconnect();
+  });

src/lib/prisma.ts

@@ -0,0 +1,15 @@
+import { PrismaClient } from "@prisma/client";
+
+const prismaClientSingleton = () => {
+  return new PrismaClient();
+};
+
+declare const globalThis: {
+  prismaGlobal: ReturnType<typeof prismaClientSingleton>;
+} & typeof global;
+
+const prisma = globalThis.prismaGlobal ?? prismaClientSingleton();
+
+export default prisma;
+
+if (process.env.NODE_ENV !== "production") globalThis.prismaGlobal = prisma;