feat: implement S3 file deletion API endpoint

Author: kingRayhan

src/app/api/storage/delete/route.ts

@@ -0,0 +1,46 @@
+import { DeleteObjectCommand } from "@aws-sdk/client-s3";
+import { NextResponse } from "next/server";
+
+import { env } from "@/env";
+import { z } from "zod";
+import { authID } from "@/backend/services/session.actions";
+import { s3Client } from "@/backend/s3.client";
+
+const bodySchema = z.object({
+  keys: z.array(z.string()),
+});
+
+export const POST = async (request: Request) => {
+  const userID = await authID();
+  if (!userID) {
+    return new Response("Unauthorized", {
+      status: 401,
+      headers: {
+        "Content-Type": "application/json",
+      },
+    });
+  }
+  const body = await bodySchema.safeParseAsync(await request.json());
+
+  if (!body.success) {
+    return new Response(JSON.stringify(body.error), {
+      status: 400,
+      headers: {
+        "Content-Type": "application/json",
+      },
+    });
+  }
+
+  for (const key of body.data.keys) {
+    const command = new DeleteObjectCommand({
+      Bucket: env.S3_BUCKET,
+      Key: key,
+    });
+    await s3Client.send(command);
+  }
+
+  return NextResponse.json({
+    success: true,
+    message: "Files deleted successfully",
+  });
+};