pulsarvp/vps-tools

<?php

    namespace vps\tools\modules\setting\components;

    use vps\tools\modules\setting\models\Setting;
    use Yii;

    /**
     * Class SettingManager
     *
     * @package vps\tools\modules\setting\components
     * @property-read Setting[] $all
     * @property-write string   $modelClass
     */
    class SettingManager extends \yii\base\BaseObject
    {
        /**
         * @var string
         */
        private $_modelClass = '\vps\tools\modules\setting\models\Setting';

        /**
         * @var Setting[] Category tree.
         */
        private $_data = [];

        /**
         * @inheritdoc
         * Loads all settings from database.
         */
        public function init ()
        {
            /** @var yii\db\ActiveRecord $class */
            $class = $this->_modelClass;
            if (Yii::$app->db->schema->getTableSchema($class::tableName()))
                $this->_data = $class::find()->cache(60)->all();
        }

        /**
         * Gets specific setting by its name. Return default value if not found.
         *
         * @param string $name
         * @param mixed  $default
         * @return null
         */
        public function get ($name, $default = null)
        {
            foreach ($this->_data as $d)
            {
                if ($d->name === $name)
                    return $d->value;
            }

            return $default;
        }

        /**
         * Returns all data.
         *
         * @return Setting[]
         */
        public function getAll ()
        {
            return $this->_data;
        }

        /**
         * Setting for model class.
         *
         * @param $class
         * @throws \yii\base\InvalidConfigException
         */
        public function setModelClass ($class)
        {
            if (!class_exists($class))
                throw new \yii\base\InvalidConfigException('Given model class not found.');
            $this->_modelClass = $class;
        }

        public function getTableName ()
        {
            return $this->_modelClass::tableName();
        }
    }