chore: update .gitignore and package.json

feat: add prisma and prisma client

feat: add problem schema

feat: add problem  create page

.gitignore

@@ -44,3 +44,6 @@ bun.lockb
 
 # cache
 cache
+
+# prisma
+prisma/migrations

package.json

@@ -9,6 +9,7 @@
     "lint": "next lint"
   },
   "dependencies": {
+    "@prisma/client": "^5.21.1",
     "@radix-ui/react-avatar": "^1.1.1",
     "@radix-ui/react-collapsible": "^1.1.1",
     "@radix-ui/react-dialog": "^1.1.2",
@@ -27,13 +28,14 @@
     "tailwindcss-animate": "^1.0.7"
   },
   "devDependencies": {
-    "typescript": "^5",
     "@types/node": "^20",
     "@types/react": "^18",
     "@types/react-dom": "^18",
-    "postcss": "^8",
-    "tailwindcss": "^3.4.1",
     "eslint": "^8",
-    "eslint-config-next": "15.0.2"
+    "eslint-config-next": "15.0.2",
+    "postcss": "^8",
+    "prisma": "^5.21.1",
+    "tailwindcss": "^3.4.1",
+    "typescript": "^5"
   }
 }

prisma/schema.prisma

@@ -0,0 +1,15 @@
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+model Problem {
+  id          Int    @id @default(autoincrement())
+  title       String
+  difficulty  String
+  description String
+}

src/actions/index.ts

@@ -0,0 +1,36 @@
+"use server";
+
+import { redirect } from "next/navigation";
+import { revalidatePath } from "next/cache";
+import { db } from "@/db";
+
+export async function createProblem(
+  formState: { message: string },
+  formData: FormData
+) {
+  try {
+    const title = formData.get("title") as string;
+    const difficulty = formData.get("difficulty") as string;
+    const description = formData.get("description") as string;
+    
+    await db.problem.create({
+      data: {
+        title,
+        difficulty,
+        description,
+      },
+    });
+  } catch (err: unknown) {
+    if (err instanceof Error) {
+      return {
+        message: err.message,
+      };
+    } else {
+      return {
+        message: "Something went wrong...",
+      };
+    }
+  }
+  revalidatePath("/problemset");
+  redirect("/problemset");
+}

src/app/problemset/new/page.tsx

@@ -0,0 +1,3 @@
+export default function ProblemCreatePage() {
+  return <div>Problem Create Page</div>;
+}

src/app/problemset/page.tsx

@@ -0,0 +1,3 @@
+export default function ProblemsetPage() {
+  return <div>Problemset Page</div>;
+}

src/db/index.ts

@@ -0,0 +1,3 @@
+import { PrismaClient } from "@prisma/client";
+
+export const db = new PrismaClient();