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<?php |
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/** |
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* Created for IG Monitoring. |
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* User: jakim <[email protected]> |
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* Date: 12.06.2018 |
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*/ |
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namespace app\components; |
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use app\components\instagram\models\Account; |
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use app\components\traits\FindOrCreate; |
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use app\models\AccountStats; |
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use yii\base\Component; |
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use yii\base\InvalidConfigException; |
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use yii\db\ActiveRecord; |
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use yii\web\ServerErrorHttpException; |
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class AccountUpdater extends Component |
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{ |
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use FindOrCreate; |
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/** |
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* @var \app\models\Account |
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*/ |
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public $account; |
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private $postStats; |
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public function init() |
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{ |
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parent::init(); |
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if (!$this->account instanceof \app\models\Account) { |
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throw new InvalidConfigException('Property \'account\' must be set and be type od \'\app\models\Account\'.'); |
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} |
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} |
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public function details(Account $account): \app\models\Account |
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{ |
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$this->account->username = $account->username; |
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$this->account->instagram_id = (string)$account->id; |
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$this->account->profile_pic_url = $account->profilePicUrl; |
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$this->account->full_name = $account->fullName; |
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$this->account->biography = $account->biography; |
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$this->account->external_url = $account->externalUrl; |
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$this->saveModel($this->account); |
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return $this->account; |
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} |
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/** |
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* Direct account statistics. |
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* |
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* @param \app\components\instagram\models\Account $account |
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* @param array $posts |
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* @return \app\models\AccountStats|null |
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* @throws \yii\web\ServerErrorHttpException |
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*/ |
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public function stats(Account $account, array $posts): ?AccountStats |
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{ |
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$accountStats = null; |
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$this->account->touch('stats_updated_at'); |
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if ($this->account->media === null || $this->statsNeedUpdate($account, $posts)) { |
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$postsStats = $this->postsStats($account, $posts); |
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$this->account->media = $account->media; |
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$this->account->follows = $account->follows; |
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$this->account->followed_by = $account->followedBy; |
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$this->account->er = $postsStats['er']; |
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$this->account->avg_likes = $postsStats['avg_likes']; |
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$this->account->avg_comments = $postsStats['avg_comments']; |
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$accountStats = $this->createHistory(); |
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return $accountStats; |
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} |
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$this->saveModel($this->account); |
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} |
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protected function createHistory() |
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{ |
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$accountStats = new AccountStats([ |
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'account_id' => $this->account->id, |
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'media' => $this->account->media, |
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'follows' => $this->account->follows, |
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'followed_by' => $this->account->followed_by, |
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'er' => $this->account->er, |
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'avg_likes' => $this->account->avg_likes, |
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'avg_comments' => $this->account->avg_comments, |
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]); |
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$this->saveModel($accountStats); |
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return $accountStats; |
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} |
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private function statsNeedUpdate(Account $account, array $posts): bool |
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{ |
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$res = $this->account->media != $account->media || |
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$this->account->follows != $account->follows || |
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$this->account->followed_by != $account->followedBy; |
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if ($res === false) { |
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$postStats = $this->postsStats($account, $posts); |
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$res = $this->account->er != $postStats['er'] || |
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$this->account->avg_likes != $postStats['avg_likes'] || |
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$this->account->avg_comments != $postStats['avg_comments']; |
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} |
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return $res; |
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} |
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/** |
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* Statistics calculated from posts (engagement, avg_likes, avg_comments). |
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* |
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* @param \app\components\instagram\models\Account $account |
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* @param array $posts |
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* @return array |
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*/ |
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private function postsStats(Account $account, array $posts): array |
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{ |
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if (!empty($this->postStats)) { |
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return $this->postStats; |
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} |
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$er = []; |
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if ($account->followedBy) { |
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foreach ($posts as $post) { |
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$er[] = ($post->likes + $post->comments) / $account->followedBy; |
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} |
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} |
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$er = $er ? array_sum($er) / \count($er) : 0; |
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$avgLikes = []; |
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$avgComments = []; |
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foreach ($posts as $post) { |
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$avgLikes[] = $post->likes; |
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$avgComments[] = $post->comments; |
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} |
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$avgLikes = $avgLikes ? array_sum($avgLikes) / \count($avgLikes) : 0; |
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$avgComments = $avgComments ? array_sum($avgComments) / \count($avgComments) : 0; |
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return $this->postStats = [ |
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'er' => $er, |
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'avg_likes' => $avgLikes, |
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'avg_comments' => $avgComments, |
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]; |
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} |
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private function saveModel(ActiveRecord $model) |
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{ |
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if (!$model->save()) { |
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throw new ServerErrorHttpException(sprintf('Validation \'%s\': %s', get_class($model), json_encode($model->errors))); |
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} |
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return true; |
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} |
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} |
jakim /
ig-monitoring
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