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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: 2019-01-24 |
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*/ |
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namespace app\components\stats\diffs; |
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use app\components\stats\base\BaseDiff; |
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use app\models\AccountStats; |
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use yii\base\InvalidConfigException; |
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use yii\db\Expression; |
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use yii\helpers\ArrayHelper; |
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/** |
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* Class MultiAccountsDiffDataProvider |
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* |
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* @package app\components\stats\providers |
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* |
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* @property \Carbon\Carbon $from |
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* @property \Carbon\Carbon $to |
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*/ |
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class MultiAccountsDiff extends BaseDiff |
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{ |
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/** |
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* @var \app\models\Account[]|array |
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*/ |
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public $accounts; |
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public $accountIds = []; |
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public function setAccounts(array $accounts) |
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{ |
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$this->accounts = $accounts; |
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return $this; |
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} |
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public function init() |
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{ |
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parent::init(); |
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if ($this->accounts === null) { |
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throw new InvalidConfigException('Property \'accounts\' can not be empty.'); |
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} |
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$this->accountIds = $this->accountIds ?: ArrayHelper::getColumn($this->accounts, 'id'); |
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$this->throwExceptionIfFromToAreNotSet(); |
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$this->throwExceptionIfStatsAttributesIsNotSet(); |
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} |
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protected function prepareData(): array |
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{ |
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$models = []; |
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$dbTo = $this->to->copy()->endOfDay()->toDateTimeString(); |
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$dbFrom = $this->from->copy()->endOfDay()->toDateTimeString(); |
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$toStatsIds = $this->findStatsIds($dbTo); |
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$toModels = $this->findDataModels($toStatsIds); |
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// jesli znaleziona ostatnia data 'do' jest wczesniejsza niz od, to nie pomijaj modelu |
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$ignoredModels = array_filter($toModels, function ($toModel) use ($dbFrom) { |
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if (strtotime($toModel['created_at']) > strtotime($dbFrom)) { |
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return true; |
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} |
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}); |
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$fromStatsIds = $this->findStatsIds($dbFrom, ArrayHelper::getColumn($ignoredModels, 'id')); |
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$fromModels = $this->findDataModels($fromStatsIds); |
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foreach ($toModels as $accountId => $toModel) { |
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$fromModel = ArrayHelper::getValue($fromModels, $accountId); |
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foreach ($this->statsAttributes as $statsAttribute) { |
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$value = ArrayHelper::getValue($toModel, $statsAttribute, 0) - ArrayHelper::getValue($fromModel, $statsAttribute, 0); |
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$models[$accountId][$statsAttribute] = $value; |
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} |
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} |
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return $models; |
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} |
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protected function findStatsIds(?string $date, array $ignoredStatsIds = []) |
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{ |
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return AccountStats::find() |
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->cache() |
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->select(new Expression('MAX(id) as id')) |
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->indexBy('account_id') |
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->andWhere(['account_id' => $this->accountIds]) |
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->andWhere(['<=', 'created_at', $date]) |
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->andFilterWhere(['not', ['id' => $ignoredStatsIds]]) |
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->groupBy('account_id') |
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->column(); |
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} |
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protected function findDataModels(array $statsIds) |
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{ |
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$columns = array_map(function ($attr) { |
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return "account_stats.{$attr}"; |
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}, $this->statsAttributes); |
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$columns[] = 'id'; |
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$columns[] = 'account_id'; |
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$columns[] = new Expression('DATE(created_at) as created_at'); |
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return AccountStats::find() |
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->cache() |
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->select($columns) |
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->indexBy('account_id') |
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->andWhere(['id' => $statsIds]) |
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->asArray() |
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->all(); |
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} |
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} |
jakim /
ig-monitoring
