Namespaces

• ICanBoogie
  • Binding
    • Facets

Classes

• Hooks

Traits

• ModelBindings

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<?php

/*
 * This file is part of the ICanBoogie package.
 *
 * (c) Olivier Laviale <olivier.laviale@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace ICanBoogie\Binding\Facets;

use ICanBoogie\ActiveRecord;
use ICanBoogie\ActiveRecord\Model;
use ICanBoogie\Binding\ObjectBindings;
use ICanBoogie\Core;
use ICanBoogie\Facets\CriterionList;
use ICanBoogie\Facets\Fetcher;
use ICanBoogie\Facets\RecordCollection;

class Hooks
{
    /**
     * Synthesizes the `activerecord.facets` config from `activerecord` fragments.
     *
     * @param array $fragments
     *
     * @return array
     */
    static public function synthesize_config(array $fragments)
    {
        $facets = [];

        foreach ($fragments as $fragment)
        {
            if (empty($fragment['facets']))
            {
                continue;
            }

            foreach ($fragment['facets'] as $model_id => $criteria)
            {
                if (empty($facets[$model_id]))
                {
                    $facets[$model_id] = $criteria;

                    continue;
                }

                $facets[$model_id] = array_merge($facets[$model_id], $criteria);
            }
        }

        return $facets;
    }

    /**
     * Returns the criteria associated with the specified model.
     *
     * The criteria include the criteria of the parent models.
     *
     * @param Model|ObjectBindings $model
     *
     * @return array
     */
    static public function criteria_from(Model $model)
    {
        $criteria_list = [];
        $facets = $model->app->configs['activerecord.facets'];

        $m = $model;

        while ($m)
        {
            $id = $m->id;

            if (!empty($facets[$id]))
            {
                $criteria_list[] = $facets[$id];
            }

            $m = $m->parent_model;
        }

        if (!$criteria_list)
        {
            return [];
        }

        return call_user_func_array('array_merge', array_reverse($criteria_list));
    }

    /**
     * Returns the {@link CriterionList} instance associated with the specified model.
     *
     * @param Model|ModelBindings $model
     *
     * @return CriterionList
     */
    static public function criterion_list_from(Model $model)
    {
        static $instances = [];

        $model_id = $model->id;

        if (isset($instances[$model_id]))
        {
            return $instances[$model_id];
        }

        $criteria = $model->criteria;
        $instances[$model_id] = $criterion_list = new CriterionList($criteria);

        return $criterion_list;
    }

    /**
     * Fetches the records matching the specified conditions.
     *
     * A {@link Fetcher} instance is used to fetch the records.
     *
     * @param Model $model
     * @param array $conditions
     *
     * @return RecordCollection
     */
    static public function fetch_records(Model $model, array $conditions)
    {
        $fetcher = new Fetcher($model);

        return $fetcher($conditions);
    }

    /**
     * Fetches a record matching the specified conditions.
     *
     * The model's {@link fetch_records} prototype method is used to retrieve the record.
     *
     * @param Model|ModelBindings $model
     * @param array $conditions
     * @param Fetcher $fetcher If the parameter `fetcher` is present, the {@link Fetcher}
     * instance created to fetch the record is stored inside.
     *
     * @return ActiveRecord|null
     */
    static public function fetch_record(Model $model, array $conditions, &$fetcher = null)
    {
        $records = $model->fetch_records($conditions + [ 'limit' => 1 ]);

        if (!$records)
        {
            return null;
        }

        $fetcher = $records->fetcher;

        return $records->one;
    }
}