enhancment complete with phase 10

apps/admin/src/app/api/auth/register/route.ts

@@ -2,20 +2,25 @@ import { NextRequest, NextResponse } from "next/server";
 import bcrypt from "bcryptjs";
 import { getDatabase } from "../../../../lib/database/index";
 import log from "@/lib/logger";
+import { userSchema } from "@/lib/validation/schemas";
+import {
+  validateRequestBody,
+  validationErrorResponse,
+} from "@/lib/validation/helpers";
 
 export async function POST(request: NextRequest) {
   try {
-    const db = await getDatabase();
-    const { email, password, firstName, lastName, phone } =
-      await request.json();
+    // Validate request body
+    const validation = await validateRequestBody(request, userSchema);
 
-    if (!email || !password || !firstName || !lastName) {
-      return NextResponse.json(
-        { error: "Missing required fields" },
-        { status: 400 },
-      );
+    if (!validation.success) {
+      log.warn("Registration validation failed", { errors: validation.errors });
+      return validationErrorResponse(validation.errors);
     }
 
+    const { email, password, firstName, lastName, phone } = validation.data;
+
+    const db = await getDatabase();
     const existingUser = await db.getUserByEmail(email);
 
     if (existingUser) {