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MiNi SheLL

Current Path : /home/vmanager/www/frontend/components/helpers/
Linux eb5096292c53 5.15.0-102-generic #112-Ubuntu SMP Tue Mar 5 16:50:32 UTC 2024 x86_64
Current File : //home/vmanager/www/frontend/components/helpers/BannersManager.php
<?php

namespace frontend\components\helpers;

use Yii;
use yii\helpers\Html;
use common\models\types\BannerLocation;
use common\models\types\BannerFormat;
use common\models\types\Status;
use common\models\Banners;

class BannersManager
{    
    protected $allBanners;
    protected $banners;
    
    private static $_instance = null;
    
    public static function getInstance()
    {
        if (self::$_instance === null) {
            $manager = new self;
            $manager->loadBanners();
            $manager->selectBanners();
            
            self::$_instance = $manager;
        }
        return self::$_instance;
    }
    
    protected function loadBanners()
    {
        $this->allBanners = [];
        $modelPortal = Yii::$app->params['modelPortal'];
        $actualDate = date('Y-m-d');
        $modelsBanners = $modelPortal->getBanners()
                ->where([
                    'status' => Status::ACTIVE
                ])
                ->andWhere([
                    'or', 
                    [
                        'and', 
                        ['not', ['date_start' => null]],
                        ['not', ['date_end' => null]],
                        ['<=', 'date_start', $actualDate], 
                        ['>=', 'date_end', $actualDate],
                        ['or', ['views_limit' => null], ['>', 'views_limit', 0]]
                    ], 
                    [
                        'and', 
                        ['not', ['date_start' => null]],
                        ['date_end' => null],
                        ['<=', 'date_start', $actualDate],
                        ['or', ['views_limit' => null], ['>', 'views_limit', 0]]
                    ], 
                    [
                        'and', 
                        ['date_start' => null],
                        ['not', ['date_end' => null]],
                        ['>=', 'date_end', $actualDate],
                        ['or', ['views_limit' => null], ['>', 'views_limit', 0]]
                    ], 
                    [
                        'and', 
                        ['date_start' => null],
                        ['date_end' => null],
                        ['or', ['views_limit' => null], ['>', 'views_limit', 0]]
                    ]
                ])
                ->all();
        
        
        if(!empty($modelsBanners)) {
            foreach($modelsBanners as $modelBanner) {
                $this->allBanners[$modelBanner->location][] = [
                    'id' => $modelBanner->id_banner,
                    'id_company' => $modelBanner->id_company,
                    'title' => $modelBanner->title,
                    'filename' => $modelBanner->filename,
                    'source_code' => $modelBanner->source_code,
                    'url' => $modelBanner->url,
                    'statistics_code' => $modelBanner->statistics_code,
                    'format' => $modelBanner->format,
                    'width' => $modelBanner->width,
                    'height' => $modelBanner->height,
                    'views_limit' => $modelBanner->views_limit,
                ];
            }
            unset($modelsBanners);
        }
        
//        $this->allBanners = [
//            'A1' => [
//                ['name' => 'Baner A1#1'],
//                ['name' => 'Baner A1#2'],
//                ['name' => 'Baner A1#3'],
//                ['name' => 'Baner A1#4'],
//                ['name' => 'Baner A1#5'],
//            ],
//            'B1' => [
//                ['name' => 'Baner B1#1'],
//                ['name' => 'Baner B1#2'],
//                ['name' => 'Baner B1#3'],
//                ['name' => 'Baner B1#4'],
//                ['name' => 'Baner B1#5'],
//            ]
//        ];
    }
    
    protected function selectBanners()
    {
        $sessionBanners = Yii::$app->session->get('banners');
        $this->banners = [];
        foreach(BannerLocation::$values as $position) {
            if(empty($this->allBanners[$position])) {
                continue;
            }
            
            if(!isset($sessionBanners[$position]['last'])) {
                $key = array_rand($this->allBanners[$position]);                        
            } else {
                $key = (intval($sessionBanners[$position]['last']) + 1) % count($this->allBanners[$position]);
            }
            $this->banners[$position] = $this->allBanners[$position][$key];
            $sessionBanners[$position]['last'] = $key; 
        }        
        Yii::$app->session->set('banners', $sessionBanners);
    }
    
    public function getBanners()
    {
        return $this->banners;
    }
    
    public function getBanner($position) 
    {
        return isset($this->banners[$position]) ? $this->banners[$position] : null;
    }
    
    public function renderBanner($position, $class = '') 
    {
//        return isset($this->banners[$position]) ? Html::img($this->banners[$position]['url'], ['class' => $class]) : null;
        if(empty($this->banners[$position])) {
            return null;
        }
        $banner = $this->banners[$position];
          
        $output = null;
        switch($banner['format']) {
            case BannerFormat::GIF:
            case BannerFormat::JPG:
            case BannerFormat::PNG:
                $output = Html::img(Yii::getAlias('@bannersImagesUrl').'/'.$banner['filename'], ['class' => $class, 'alt' => $banner['title']]);
                if(!empty($banner['url'])) {
                    $output = Html::a($output, $banner['url']);
                }
                break;
        }
        
        return $output;
    }
}
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