1 | <?php |
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2 | namespace App\Behavior; |
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3 | |||
4 | use App\Factory\ArticleMetaFactory; |
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5 | use App\Model\Article; |
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6 | use Yii; |
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7 | use yii\base\Behavior; |
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8 | use yii\base\Event; |
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9 | |||
10 | class ArticleBehavior extends Behavior |
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11 | { |
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12 | public function events() |
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13 | { |
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14 | return [ |
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15 | Article::EVENT_AFTER_INSERT => 'saveMeta', |
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16 | Article::EVENT_AFTER_UPDATE => 'saveMeta', |
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17 | Article::EVENT_AFTER_DELETE => 'afterDelete', |
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18 | ]; |
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19 | } |
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20 | |||
21 | public function saveMeta(Event $event) |
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22 | { |
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23 | /** @var Article $model */ |
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24 | $model = $event->sender; |
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25 | |||
26 | $meta = ArticleMetaFactory::findByArticleId($model->id); |
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27 | if (!$meta) { |
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28 | $meta = ArticleMetaFactory::create($model->id, $model->content); |
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29 | } else { |
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30 | $meta->content = $model->content; |
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31 | } |
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32 | if (!$meta->save()) { |
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33 | Yii::error($meta->getErrors(), __METHOD__); |
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34 | throw new \Exception('Unable to save article meta'); |
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35 | } |
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36 | } |
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37 | |||
38 | public function afterDelete(Event $event) |
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39 | { |
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40 | /** @var Article $model */ |
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41 | $model = $event->sender; |
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42 | |||
43 | $meta = ArticleMetaFactory::findByArticleId($model->id); |
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44 | if ($meta && $meta->delete() === false) { |
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45 | throw new \Exception('Unable to delete article meta'); |
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46 | } |
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47 | } |
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48 | } |
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49 |