BiveEngine/playarea/plugins/bive-admin-panel/scripts/fields/field.attribute.php

<?php

class AttributeField {
    public string $name;
    public array $params;
    public $content = "";

    public function __construct($params = array())
    {
        $this->params = $params;
    }

    public function set_content($content)
    {
        $this->content = $content;
    }

    public function set_name($name)
    {
        $this->name = $name;
    }

    public function render_edit()
    {
        global $b;
        $item_id = $_GET["item_id"];
        if(!isset($item_id)) {
            echo "Редактировать атрибуты можно только после создания объекта.";
            return;
        }
        $item = $b->get_item_by_id($item_id);

        $search = new Search(array(
            "class" => "Attribute",
        ));

        $items = $search->collect();
        $attributes = $item->get_parent_items("Attribute");
        $ai = $item->get_child_items("Attribute_Item");
        ?>

        <?php if(count($attributes)) { ?>
            <div class="bive-attributes">
                <?php foreach ($attributes as $arg => $attribute) { ?>
                    <div class="bive-attributes_row">
                        <div class="bive-attributes__wrapper">
                            <div class="bive-attributes__title">
                                <?= $attribute->get_item_name(); ?>
                            </div>
                            <div class="bive-attributes__items">
                                <?php foreach ($ai as $key => $a) { ?>
                                    <?php if($a->parent_id != $attribute->get_item_id()) continue; ?>
                                    <div class="bive-attributes__item">
                                        <div class="bive-attributes__item-text"><?= $a->get_item_name(); ?></div>
                                        <button type="submit" class="bive-attributes__item-remove" name="<?= $this->name . "[" . $attribute->get_item_id() . "][remove]"; ?>" value="<?= $a->get_item_id(); ?>">x</button>
                                    </div>
                                <?php } ?>
                                <div class="bive-attributes__item-new">
                                    <input class="bive-attributes__item-input" type="text" name="<?= $this->name . "[" . $attribute->get_item_id() . "][new]"; ?>" placeholder="Новый атрибут">
                                </div>
                            </div>
                        </div>
                        <button type="submit" class="bive-attributes__remove" name="<?= $this->name . "[remove]"; ?>" value="<?= $attribute->get_item_id(); ?>">X</button>
                    </div>
                <?php } ?>
            </div>
        <?php } ?>

        <div>
            <select class="bive-select" name="<?= $this->name . "[new][attribute]"; ?>">
                <?php foreach ($items as $arg => $item) { ?>
                    <option value="<?= $item->get_item_id(); ?>"><?= $item->get_item_name(); ?></option>
                <?php } ?>
            </select>
            <button type="submit" class="btn btn-primary mb-1 ml-1 mt-1" name="<?= $this->name . "[new][button]"; ?>" value="1">Добавить</button>
        </div>

        <?php
    }

    public function render_value()
    {
        return $this->content;
    }

    public function render_db_value()
    {
        global $b;
        $item_id = $_GET["item_id"];
        if(!isset($item_id)) return "";
        $item = $b->get_item_by_id($item_id);
        if (is_array($this->content)) {
            foreach ($this->content as $key => $data) {
                if ((string) $key == "new" && isset($data["button"])) {
                    $item->set_parent($data["attribute"], false);
                    continue;
                }

                if ((string) $key == "remove") {
                    $item->clear_parent($data);
                    continue;
                }

                if((string) $data["new"] !== "") {
                    $parent_id = $key;
                    $slug = $this->translit_sef($data["new"]);
                    $search = new Search(array(
                        "class" => "Attribute_Item",
                        "terms" => array("item_slug" => $slug),
                        "parent_id" => $parent_id
                    ));
                    $items = $search->collect();
                    if(!$items) {
                        $ai = new Attribute_Item(0);
                        $ai->create($data["new"], "");
                        $ai->set_field("item_slug", $slug);
                        $ai->set_parent($parent_id, true);
                        $ai->set_parent($item_id);
                    } else {
                        $items[0]->set_parent($item_id);
                    }
                }

                if((string) $data["remove"] !== "") {
                    $parent = $b->get_item_by_id($data["remove"]);
                    $parent->clear_parent($item_id);
                }
            }
        }
        return "";
    }

    private function translit_sef($value)
    {
        $converter = array(
            'а' => 'a',    'б' => 'b',    'в' => 'v',    'г' => 'g',    'д' => 'd',
            'е' => 'e',    'ё' => 'e',    'ж' => 'zh',   'з' => 'z',    'и' => 'i',
            'й' => 'y',    'к' => 'k',    'л' => 'l',    'м' => 'm',    'н' => 'n',
            'о' => 'o',    'п' => 'p',    'р' => 'r',    'с' => 's',    'т' => 't',
            'у' => 'u',    'ф' => 'f',    'х' => 'h',    'ц' => 'c',    'ч' => 'ch',
            'ш' => 'sh',   'щ' => 'sch',  'ь' => '',     'ы' => 'y',    'ъ' => '',
            'э' => 'e',    'ю' => 'yu',   'я' => 'ya',
        );

        $value = mb_strtolower($value);
        $value = strtr($value, $converter);
        $value = mb_ereg_replace('[^-0-9a-z]', '-', $value);
        $value = mb_ereg_replace('[-]+', '-', $value);
        $value = trim($value, '-');

        return $value;
    }
}