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<?php |
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namespace Coyote\Services\Skills; |
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use Coyote\Repositories\Contracts\GuestRepositoryInterface as GuestRepository; |
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use Coyote\Repositories\Contracts\TagRepositoryInterface as TagRepository; |
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use Illuminate\Http\Request; |
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use Coyote\Repositories\Contracts\PageRepositoryInterface as PageRepository; |
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class Predictions |
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{ |
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/** |
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* @var Request |
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*/ |
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protected $request; |
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/** |
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* @var PageRepository |
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*/ |
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protected $page; |
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/** |
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* @var GuestRepository |
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*/ |
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protected $guest; |
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/** |
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* @var TagRepository |
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*/ |
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protected $tag; |
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/** |
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* @param Request $request |
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* @param PageRepository $page |
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* @param GuestRepository $guest |
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* @param TagRepository $tag |
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*/ |
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public function __construct(Request $request, PageRepository $page, GuestRepository $guest, TagRepository $tag) |
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{ |
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$this->request = $request; |
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$this->page = $page; |
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$this->guest = $guest; |
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$this->tag = $tag; |
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} |
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/** |
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* @return array |
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*/ |
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public function getTags() |
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{ |
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if (!($tags = $this->getRefererTags())) { |
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$tags = $this->getUserPopularTags(); |
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} |
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return $tags; |
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} |
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/** |
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* @return \Coyote\Tag[]|null |
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*/ |
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private function getRefererTags() |
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{ |
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$referer = filter_var($this->request->headers->get('referer'), FILTER_SANITIZE_URL); |
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if (!$referer) { |
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return null; |
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} |
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$path = parse_url(urldecode($referer), PHP_URL_PATH); |
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if (!$path) { |
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return null; |
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} |
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$page = $this->page->findByPath($path); |
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if (!$page || !$page->tags) { |
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return null; |
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} |
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$result = $this->tag->categorizedTags($page->tags); |
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return count($result) ? $result : null; |
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} |
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/** |
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* @return null|\Illuminate\Support\Collection |
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*/ |
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private function getUserPopularTags() |
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{ |
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/** @var \Coyote\Guest $guest */ |
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$guest = $this->guest->find($this->request->session()->get('guest_id')); |
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if (empty($guest) || empty($guest->interests)) { |
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return null; |
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} |
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$ratio = $guest->interests['ratio']; |
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arsort($ratio); |
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// get only five top tags |
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$result = $this->tag->categorizedTags(array_slice(array_keys($ratio), 0, 4)); |
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if (!count($result)) { |
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return null; |
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} |
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// only one tag please... |
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return collect()->push($result->random()); |
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} |
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} |
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adam-boduch /
coyote
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