Web_Crawler_API/routes/api.php

<?php

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Route;
use GuzzleHttp\Client;
use App\Http\Controllers\WebCrawlController;
use GuzzleHttp\Psr7\Response;

Route::get('/crawl', function (Request $request) {
  // invode WebCrawlController index method in WebCrawlController
  $url = $request->input('url');
  // check if the url is valid URL
  if (!$url || !filter_var($url, FILTER_VALIDATE_URL)) {
    return response()->json([
      'error' => 'Missing required parameter `url`'
    ], 400);
  }
  $depth = $request->input('depth', 3); // default depth is 3 if not provided
  
  $crawlerController = new WebCrawlController();
  $isAlreadyDone = $crawlerController->getOne($url);
  if(!$isAlreadyDone){
    $crawlerController->crawlWebsite($url, $depth);
  } else {
    return response()->json([
      'error' => 'This URL has already been crawled',
      'data' => $isAlreadyDone
    ], 400);
  }
});

// Route::post('/crawl/{id}', function (String $id, Request $request, Response $response) {
//   $id = $request->input('id');
//   $crawlerController = new WebCrawlController();
//   if(!$crawlerController->destroy($id)) {
//     return response()->json([
//       'error' => 'Url Not Found',
//     ], 404);
//   } else {
//     return response()->json([
//       'success' => 'This URL has been deleted',
//     ], 200);
//   }
// });