Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 12 | class PwaController extends Controller |
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| 13 | { |
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| 14 | /** |
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| 15 | * Display a listing of the resource. |
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| 16 | * |
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| 17 | * @return \Illuminate\Http\Response |
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| 18 | */ |
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| 19 | public function index() |
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| 25 | |||
| 26 | /** |
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| 27 | * Store a newly created resource in storage. |
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| 28 | * |
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| 29 | * @param \Illuminate\Http\Request $request |
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| 30 | * |
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| 31 | * @return \Illuminate\Routing\Redirector|\Illuminate\Http\RedirectResponse |
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| 32 | */ |
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| 33 | public function store(Request $request) |
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| 76 | |||
| 77 | /** |
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| 78 | * Activate PWA for the current domain. |
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| 79 | * |
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| 80 | * @return \Illuminate\Routing\Redirector|\Illuminate\Http\RedirectResponse |
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| 81 | */ |
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| 82 | View Code Duplication | public function activate() |
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| 90 | |||
| 91 | /** |
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| 92 | * Deactivate PWA for the current domain. |
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| 93 | * |
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| 94 | * @return \Illuminate\Routing\Redirector|\Illuminate\Http\RedirectResponse |
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| 95 | */ |
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| 96 | View Code Duplication | public function deactivate() |
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| 104 | |||
| 105 | /** |
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| 106 | * Update the specified resource in storage. |
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| 107 | * |
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| 108 | * @param \Illuminate\Http\Request $request |
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| 109 | * @param \CodexShaper\PWA\Model\Setting $Setting |
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| 110 | * |
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| 111 | * @return \Illuminate\Routing\Redirector|\Illuminate\Http\RedirectResponse |
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| 112 | */ |
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| 113 | public function update(Request $request, Setting $Setting) |
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| 168 | |||
| 169 | /** |
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| 170 | * Remove the specified resource from storage. |
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| 171 | * |
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| 172 | * @param \CodexShaper\PWA\Model\Setting $Setting |
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| 173 | * |
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| 174 | * @throws \Exception |
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| 175 | * |
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| 176 | * @return \Illuminate\Routing\Redirector|\Illuminate\Http\RedirectResponse |
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| 177 | */ |
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| 178 | public function destroy(Setting $Setting) |
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| 196 | |||
| 197 | /** |
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| 198 | * Return manifest.josn content. |
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| 199 | * |
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| 200 | * @return \Illuminate\Http\Response |
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| 201 | */ |
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| 202 | public function manifest() |
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| 210 | |||
| 211 | /** |
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| 212 | * Display pwa offline resources. |
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| 213 | * |
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| 214 | * @return \Illuminate\Http\Response |
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| 215 | */ |
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| 216 | public function offline() |
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| 220 | |||
| 221 | /** |
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| 222 | * Prepare manifest data. |
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| 223 | * |
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| 224 | * @param array $manifest |
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| 225 | * |
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| 226 | * @return array |
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| 227 | */ |
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| 228 | public static function prepareManifest($manifest) |
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| 280 | |||
| 281 | /** |
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| 282 | * Prepare manifest data from request for database. |
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| 283 | * |
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| 284 | * @param array $data |
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| 285 | * |
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| 286 | * @return array |
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| 287 | */ |
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| 288 | protected function getManifestData($data) |
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| 352 | |||
| 353 | /** |
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| 354 | * Return serviceworker.js content. |
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| 355 | * |
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| 356 | * @return \Illuminate\Http\Response |
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| 357 | */ |
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| 358 | View Code Duplication | public function serviceWorker() |
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| 372 | |||
| 373 | /** |
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| 374 | * Return serviceworker register content. |
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| 375 | * |
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| 376 | * @return \Illuminate\Http\Response |
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| 377 | */ |
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| 378 | View Code Duplication | public function serviceWorkerRegisterContent() |
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| 392 | |||
| 393 | /** |
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| 394 | * Generate service worker. |
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| 395 | * |
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| 396 | * @return string |
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| 397 | */ |
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| 398 | protected function generateServiceWorker() |
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| 399 | { |
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| 400 | $public_path = asset('/'); |
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| 401 | $pwa_asset = pwa_asset(''); |
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| 402 | $base_url = url('/'); |
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| 403 | |||
| 404 | return <<<SERVICE_WORKER |
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| 405 | var staticCacheName = "pwa-v" + new Date().getTime(); |
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| 406 | var filesToCache = [ |
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| 407 | '$base_url/offline', |
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| 408 | '{$base_url}/css/app.css', |
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| 409 | '{$base_url}/js/app.js', |
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| 410 | '$pwa_asset/images/icons/icon-72x72.png', |
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| 411 | '$pwa_asset/images/icons/icon-96x96.png', |
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| 412 | '$pwa_asset/images/icons/icon-128x128.png', |
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| 413 | '$pwa_asset/images/icons/icon-144x144.png', |
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| 414 | '$pwa_asset/images/icons/icon-152x152.png', |
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| 415 | '$pwa_asset/images/icons/icon-192x192.png', |
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| 416 | '$pwa_asset/images/icons/icon-384x384.png', |
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| 417 | '$pwa_asset/images/icons/icon-512x512.png', |
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| 418 | ]; |
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| 419 | |||
| 420 | // Cache on install |
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| 421 | self.addEventListener("install", event => { |
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| 422 | this.skipWaiting(); |
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| 423 | event.waitUntil( |
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| 424 | caches.open(staticCacheName) |
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| 425 | .then(cache => { |
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| 426 | return cache.addAll(filesToCache); |
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| 427 | }) |
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| 428 | ) |
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| 429 | }); |
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| 430 | |||
| 431 | // Clear cache on activate |
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| 432 | self.addEventListener('activate', event => { |
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| 433 | event.waitUntil( |
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| 434 | caches.keys().then(cacheNames => { |
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| 435 | return Promise.all( |
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| 436 | cacheNames |
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| 437 | .filter(cacheName => (cacheName.startsWith("pwa-"))) |
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| 438 | .filter(cacheName => (cacheName !== staticCacheName)) |
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| 439 | .map(cacheName => caches.delete(cacheName)) |
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| 440 | ); |
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| 441 | }) |
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| 442 | ); |
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| 443 | }); |
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| 444 | |||
| 445 | // Serve from Cache |
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| 446 | self.addEventListener("fetch", event => { |
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| 447 | event.respondWith( |
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| 448 | caches.match(event.request) |
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| 449 | .then(response => { |
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| 450 | return response || fetch(event.request); |
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| 451 | }) |
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| 452 | .catch(() => { |
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| 453 | return caches.match('offline'); |
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| 454 | }) |
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| 455 | ) |
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| 456 | }); |
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| 457 | SERVICE_WORKER; |
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| 458 | } |
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| 459 | |||
| 460 | /** |
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| 461 | * Register service worker. |
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| 462 | * |
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| 463 | * @return string |
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| 464 | */ |
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| 465 | protected function generateServiceWorkerRegister() |
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| 466 | { |
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| 467 | $serviceworker_route = route('pwa.serviceworker'); |
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| 468 | $scope = config('pwa.scope', '.'); |
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| 469 | |||
| 470 | return <<<REGISTER_SERVICE_WORKER |
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| 471 | // Get serviceworker contents |
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| 472 | var serviceworker = "$serviceworker_route"; |
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| 473 | // Initialize the service worker |
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| 474 | if ('serviceWorker' in navigator) { |
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| 475 | navigator.serviceWorker.register(serviceworker, { |
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| 476 | scope: '$scope' |
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| 477 | }).then(function (registration) { |
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| 478 | // Registration was successful |
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| 479 | console.log('Laravel PWA enable successfully. Enjoy it!'); |
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| 480 | }, function (err) { |
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| 481 | // registration failed |
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| 482 | console.log('Laravel PWA registration failed. Please check the error: ', err); |
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| 483 | }); |
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| 484 | } |
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| 485 | REGISTER_SERVICE_WORKER; |
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| 486 | } |
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| 487 | |||
| 488 | /** |
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| 489 | * Get Setting instance. |
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| 490 | * |
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| 491 | * @return \CodexShaper\PWA\Model\Setting |
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| 492 | */ |
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| 493 | public function getPwaInstance() |
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| 497 | |||
| 498 | /** |
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| 499 | * Return storage asset. |
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| 500 | * |
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| 501 | * @return \Illuminate\Http\Response |
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| 502 | */ |
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| 503 | public function asset($path) |
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| 511 | } |
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| 512 |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.