hiqdev / hipanel-module-finance

src/collections/PricesCollection.php

<?php
/**
 * Finance module for HiPanel
 *
 * @link      https://github.com/hiqdev/hipanel-module-finance
 * @package   hipanel-module-finance
 * @license   BSD-3-Clause
 * @copyright Copyright (c) 2015-2019, HiQDev (http://hiqdev.com/)
 */

namespace hipanel\modules\finance\collections;

use Closure;
use hipanel\modules\finance\models\factories\PriceModelFactory;
use hipanel\modules\finance\models\Price;
use hiqdev\hiart\Collection;
use Yii;

/**
 * Class PricesCollection overrides loading behavior of parent class in order to:
 * make it possible to load all the models, specified in [[knownForms]] at once.
 *
 * @author Dmytro Naumenko <d.naumenko.a@gmail.com>
 */
class PricesCollection extends Collection
{
    /**
     * @var \hipanel\modules\finance\models\factories\PriceModelFactory
     */
    private $priceModelFactory;

    public function __construct(PriceModelFactory $priceModelFactory, array $config = [])
    {
        parent::__construct($config);
        $this->priceModelFactory = $priceModelFactory;
        // Prevent default behavior in Collection::collectData() in order to allow all attributes for different models
        $this->dataCollector = fn(Price $model) => [$model->getPrimaryKey(), $model->toArray()];

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    }

    /**
     * {@inheritdoc}
     */
    public function load($data = null)
    {
        if ($data === null && $this->dataToBeLoadedExistsInPostRequest()) {
            $data = $this->loadDifferentModelsFromPostRequest();
            $this->checkConsistency = false;

            return $this->set($data);
        }

        return parent::load($data);
    }

    /**
     * {@inheritdoc}
     */
    public function collectData($attributes = null)
    {
        $data = [];
        foreach ($this->models as $model) {
            if ($this->dataCollector instanceof Closure) {
                [$key, $row] = call_user_func($this->dataCollector, $model, $this);
            } else {
                $key = $model->getPrimaryKey();
                $row = $model->getAttributes($this->isConsistent() ? $attributes : $model->activeAttributes());
            }

            if ($key) {
                $data[$key] = $row;
            } else {
                $data[] = $row;
            }
        }

        return $data;
    }

    private function dataToBeLoadedExistsInPostRequest()
    {
        $request = Yii::$app->request->post();

        $map = $this->priceModelFactory->getMap();
        foreach ($map as $formName => $className) {
            if (is_array($map[$formName])) {
                foreach ($map[$formName] as $type => $class) {
                    $class = (new \ReflectionClass($class))->getShortName();
                    if (isset($request[$class])) {
                        return true;
                    }
                }
            } elseif (isset($request[$formName])) {
                return true;
            }
        }

        return false;
    }

    private function loadDifferentModelsFromPostRequest()
    {
        /** @var Price[] $result */
        $result = [];
        $request = Yii::$app->request->post();
        $usedClasses = [];

        $iter = new \RecursiveIteratorIterator(new \RecursiveArrayIterator($this->priceModelFactory->getMap()));
        foreach ($iter as $className) {
            if (is_array($className) || isset($usedClasses[$className])) {
                continue;
            }
            $formName = (new \ReflectionClass($className))->getShortName();
            if (empty($request[$formName])) {
                continue;
            }

            $usedClasses[$className] = true;
            /** @var Price[] $models */
            $models = [];
            /** @var array $modelsData */
            $modelsData = [];
            /** @var Price $modelPrototype */
            $modelPrototype = $this->priceModelFactory->instantiate($className);
            $modelPrototype->setAttributes($this->modelOptions);
            $modelPrototype->scenario = $this->getScenario();

            $data = $request[$formName];
            foreach ($data as $key => $modelData) {
                if (empty(array_filter($modelData))) {
                    continue;
                }
                $models[$key] = clone $modelPrototype;
                $modelsData[$modelPrototype->formName()][$key] = $modelData;
            }

            $modelPrototype->loadMultiple($models, $modelsData);
            $result = array_merge($result, $models);
        }

        return $result;
    }
}