TimeAgo.php

<?php

/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace yii\timeago;

use Yii;
use yii\base\InvalidConfigException;
use yii\helpers\Html;
use yii\base\Widget;
use yii\helpers\ArrayHelper;

/**
 *
 * @author Nghia Nguyen <zinzinday@gmail.com>
 * @since 2.0
 */
class TimeAgo extends Widget
{
    /**
     * @var string The html tag to display data time. You can use abbr, span, time ...
     * Default value "time"
     */
    public $tag = 'time';
    /**
     * @var array Options attribute for html tag
     */
    public $options;
    /**
     * @var bool
     */
    public $localTitle = false;
    /**
     * @var string
     * @see https://github.com/rmm5t/jquery-timeago/tree/master/locales
     */
    public $language = 'en';
    /**
     * @var integer Unix timestamp
     */
    public $timestamp;


    private $_assetBundle;

    public function init()
    {
        $this->options['data-toggle'] = ArrayHelper::getValue($this->options, 'data-toggle', 'timeago');
        $this->registerLocale();
        if($this->localTitle) {
            $this->getView()->registerJs("jQuery.timeago.settings.localeTitle = true", 4, 'timeagoSetting');
        }
        $this->getView()->registerJs("jQuery('{$this->tag}[data-toggle=\"{$this->options['data-toggle']}\"]').timeago();", 4, 'timeago');
    }

    protected function registerLocale()
    {
        if (file_exists(Yii::getAlias($this->getAssetBundle()->sourcePath) . DIRECTORY_SEPARATOR . "locales" . DIRECTORY_SEPARATOR . "jquery.timeago.{$this->language}.js")) {
            $this->getAssetBundle()->js[] = "locales/jquery.timeago.{$this->language}.js";
        } else {
            throw new InvalidConfigException("Language '{$this->language}' do not exist.");
        }
    }

    protected function registerAssetBundle()
    {
        $this->_assetBundle = TimeAgoAsset::register($this->getView());
    }

    /**
     * @return TimeAgoAsset
     */
    public function getAssetBundle()
    {
        if (!$this->_assetBundle) {
            $this->registerAssetBundle();
        }
        return $this->_assetBundle;
    }

    public function run()
    {
        if ($this->timestamp) {
            echo Html::tag($this->tag,
                Yii::$app->formatter->asDatetime($this->timestamp),
                ArrayHelper::merge([
                    'datetime' => Yii::$app->formatter->asDatetime($this->timestamp, "php:c")
                ], $this->options)
            );
        }
    }
}