Server : Apache System : Linux server2.corals.io 4.18.0-348.2.1.el8_5.x86_64 #1 SMP Mon Nov 15 09:17:08 EST 2021 x86_64 User : corals ( 1002) PHP Version : 7.4.33 Disable Function : exec,passthru,shell_exec,system Directory :  /home/corals/mcoil.corals.io/vendor/kalnoy/nestedset/src/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

<?php

namespace Kalnoy\Nestedset;

use Illuminate\Database\Schema\Blueprint;

class NestedSet
{
    /**
     * The name of default lft column.
     */
    const LFT = '_lft';

    /**
     * The name of default rgt column.
     */
    const RGT = '_rgt';

    /**
     * The name of default parent id column.
     */
    const PARENT_ID = 'parent_id';

    /**
     * Insert direction.
     */
    const BEFORE = 1;

    /**
     * Insert direction.
     */
    const AFTER = 2;

    /**
     * Add default nested set columns to the table. Also create an index.
     *
     * @param \Illuminate\Database\Schema\Blueprint $table
     */
    public static function columns(Blueprint $table)
    {
        $table->unsignedInteger(self::LFT)->default(0);
        $table->unsignedInteger(self::RGT)->default(0);
        $table->unsignedInteger(self::PARENT_ID)->nullable();

        $table->index(static::getDefaultColumns());
    }

    /**
     * Drop NestedSet columns.
     *
     * @param \Illuminate\Database\Schema\Blueprint $table
     */
    public static function dropColumns(Blueprint $table)
    {
        $columns = static::getDefaultColumns();

        $table->dropIndex($columns);
        $table->dropColumn($columns);
    }

    /**
     * Get a list of default columns.
     *
     * @return array
     */
    public static function getDefaultColumns()
    {
        return [ static::LFT, static::RGT, static::PARENT_ID ];
    }

    /**
     * Replaces instanceof calls for this trait.
     *
     * @param mixed $node
     *
     * @return bool
     */
    public static function isNode($node)
    {
        return is_object($node) && in_array(NodeTrait::class, (array)$node);
    }

}