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1 | <?php |
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2 | |||
3 | namespace Kunstmaan\PagePartBundle\Twig\Extension; |
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4 | |||
5 | use Doctrine\ORM\EntityManager; |
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6 | use Kunstmaan\PagePartBundle\Entity\PagePartRef; |
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7 | use Kunstmaan\PagePartBundle\Helper\HasPagePartsInterface; |
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8 | use Kunstmaan\PagePartBundle\Helper\PagePartInterface; |
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9 | use Kunstmaan\PagePartBundle\Repository\PagePartRefRepository; |
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10 | use Twig\Environment; |
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11 | use Twig\Extension\AbstractExtension; |
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12 | use Twig\TwigFunction; |
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13 | |||
14 | /** |
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15 | * PagePartTwigExtension |
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16 | * |
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17 | * @final since 5.4 |
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18 | */ |
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19 | class PagePartTwigExtension extends AbstractExtension |
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20 | { |
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21 | /** |
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22 | * @var EntityManager |
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23 | */ |
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24 | protected $em; |
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25 | |||
26 | public function __construct(EntityManager $em) |
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27 | { |
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28 | $this->em = $em; |
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29 | } |
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30 | |||
31 | /** |
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32 | * @return array |
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33 | */ |
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34 | public function getFunctions() |
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35 | { |
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36 | return [ |
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37 | new TwigFunction('render_pageparts', [$this, 'renderPageParts'], ['needs_environment' => true, 'needs_context' => true, 'is_safe' => ['html']]), |
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38 | new TwigFunction('getpageparts', ['needs_environment' => true, $this, 'getPageParts']), |
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39 | new TwigFunction('has_page_parts', [$this, 'hasPageParts']), |
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40 | ]; |
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41 | } |
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42 | |||
43 | /** |
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44 | * @param array $twigContext The twig context |
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45 | * @param HasPagePartsInterface $page The page |
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46 | * @param string $contextName The pagepart context |
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47 | * @param array $parameters Some extra parameters |
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48 | * |
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49 | * @return string |
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50 | */ |
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51 | View Code Duplication | public function renderPageParts(Environment $env, array $twigContext, HasPagePartsInterface $page, $contextName = 'main', array $parameters = []) |
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52 | { |
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53 | $template = $env->load('@KunstmaanPagePart/PagePartTwigExtension/widget.html.twig'); |
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54 | /* @var $entityRepository PagePartRefRepository */ |
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55 | $pageparts = $this->getPageParts($page, $contextName); |
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56 | $newTwigContext = array_merge($parameters, [ |
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57 | 'pageparts' => $pageparts, |
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58 | 'page' => $page, |
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59 | ]); |
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60 | $newTwigContext = array_merge($newTwigContext, $twigContext); |
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61 | |||
62 | return $template->render($newTwigContext); |
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63 | } |
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64 | |||
65 | /** |
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66 | * @param HasPagePartsInterface $page The page |
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67 | * @param string $context The pagepart context |
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68 | * |
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69 | * @return PagePartInterface[] |
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70 | */ |
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71 | public function getPageParts(HasPagePartsInterface $page, $context = 'main') |
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72 | { |
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73 | /** @var $entityRepository PagePartRefRepository */ |
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74 | $entityRepository = $this->em->getRepository(PagePartRef::class); |
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75 | |||
76 | return $entityRepository->getPageParts($page, $context); |
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77 | } |
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78 | |||
79 | /** |
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80 | * @param string $context |
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81 | * |
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82 | * @return bool |
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83 | */ |
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84 | public function hasPageParts(HasPagePartsInterface $page, $context = 'main') |
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85 | { |
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86 | return $this->em->getRepository(PagePartRef::class)->hasPageParts($page, $context); |
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87 | } |
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88 | } |
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89 |
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the interface: