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1 | <?php |
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2 | |||
3 | namespace WellCommerce\Bundle\AppBundle\Service\Metadata\Helper; |
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4 | |||
5 | use WellCommerce\Bundle\AppBundle\Entity\Meta; |
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6 | use WellCommerce\Bundle\AppBundle\Service\Shop\Storage\ShopStorageInterface; |
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7 | |||
8 | /** |
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9 | * Class MetadataHelper |
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10 | * |
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11 | * @author Adam Piotrowski <[email protected]> |
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12 | */ |
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13 | final class MetadataHelper implements MetadataHelperInterface |
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14 | { |
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15 | /** |
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16 | * @var Meta |
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17 | */ |
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18 | private $meta; |
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19 | |||
20 | /** |
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21 | * @var Meta |
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22 | */ |
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23 | private $fallbackMeta; |
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24 | |||
25 | /** |
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26 | * @var ShopStorageInterface |
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27 | */ |
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28 | private $shopStorage; |
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29 | |||
30 | public function __construct(ShopStorageInterface $shopStorage) |
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31 | { |
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32 | $this->shopStorage = $shopStorage; |
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33 | } |
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34 | |||
35 | public function setMetadata(Meta $meta) |
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36 | { |
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37 | $this->meta = $meta; |
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38 | } |
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39 | |||
40 | public function setFallbackMetadata(Meta $meta) |
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41 | { |
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42 | $this->fallbackMeta = $meta; |
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43 | } |
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44 | |||
45 | public function getMetadata(): Meta |
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46 | { |
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47 | if ($this->meta instanceof Meta && false === $this->meta->isEmpty()) { |
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48 | return $this->meta; |
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49 | } |
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50 | |||
51 | if ($this->fallbackMeta instanceof Meta) { |
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52 | return $this->fallbackMeta; |
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53 | } |
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54 | |||
55 | return $this->shopStorage->getCurrentShop()->translate()->getMeta(); |
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56 | } |
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57 | } |
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58 |
This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idable
provides a methodequalsId
that in turn relies on the methodgetId()
. If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()
as an abstract method to the trait will make sure it is available.