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Current File : /home/vmanager/www/common/models/CompaniesPhotogalleries.php
<?php

namespace common\models;

use Yii;
use yii\db\Expression;
use yii\behaviors\TimestampBehavior;
use common\components\behaviors\DeleteRelatedModelsBehavior;

/**
 * This is the model class for table "companies_photogalleries".
 *
 * @property integer $id_gallery
 * @property integer $id_company
 * @property string $title
 * @property string $description
 * @property string $gallery_date
 * @property string $created_at
 * @property string $updated_at
 *
 * @property Companies $company
 * @property CompaniesPhotogalleriesPhotos[] $photos
 * @property CompaniesPresentationsHasCompaniesPhotogalleries[] $relationsWithPresentations
 * @property CompaniesPresentations[] $presentations
 */
class CompaniesPhotogalleries extends \yii\db\ActiveRecord
{
    use \common\components\traits\DirectoriesFunctions;
    
    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return 'companies_photogalleries';
    }
    
    /**
     * @inheritdoc
     */
    public function behaviors()
    {
        return [
            [
                'class' => TimestampBehavior::className(),
                'value' => new Expression('LOCALTIMESTAMP'),
            ],
            [
                'class' => DeleteRelatedModelsBehavior::className(),
            ]
        ];
    }
    
    /**
     * @inheritdoc
     */
    public function scenarios()
    {
        $scenarios = parent::scenarios();
        $scenarios['create'] = ['id_company', 'title', 'description', 'gallery_date'];
        $scenarios['update'] = ['id_company', 'title', 'description', 'gallery_date'];
        return $scenarios;                
    }

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            ['id_company', 'required'],
            ['id_company', 'number', 'integerOnly' => true, 'min' => 1],
            ['id_company', 'exist', 'targetClass' => Companies::className(), 'targetAttribute' => 'id_company'],
            
            ['title', 'required'],
            ['title', 'string', 'min' => 1, 'max' => 255],
            
            ['description', 'default'],
            ['description', 'string'],
            
            ['gallery_date', 'required'],
            ['gallery_date', 'date', 'format' => 'yyyy-MM-dd']
        ];
    }

    /**
     * @inheritdoc
     */
    public function attributeLabels()
    {
        return [
            'id_gallery' => Yii::t('common-models', 'ID galerii'),
            'id_company' => Yii::t('common-models', 'ID firmy'),
            'title' => Yii::t('common-models', 'Tytuł'),
            'description' => Yii::t('common-models', 'Opis'),
            'gallery_date' => Yii::t('common-models', 'Data'),
            'created_at' => Yii::t('common-models', 'Data utworzenia'),
            'updated_at' => Yii::t('common-models', 'Data aktualizacji')
        ];
    }
    
    public static function getDependentModels() 
    {
        return [
            'photos',
//            'relationsWithPresentations',
        ];
    }
    
    /**
     * @inheritdoc
     */
    public function beforeDelete() 
    {
        $flag = true;
        
        $modelsRelationsWithPresentations = $this->relationsWithPresentations;
        if(!empty($modelsRelationsWithPresentations)) {
            foreach($modelsRelationsWithPresentations as $modelRelationWithPresentation) {
                if(!$flag) {
                    break;
                }
                
                $modelsCompanyPresentationHasCompaniesPhotogalleries = \common\models\CompaniesPresentationsHasCompaniesPhotogalleries::find()
                        ->andWhere(['>', 'gallery_order', $modelRelationWithPresentation->gallery_order])
                        ->andWhere(['id_presentation' => $modelRelationWithPresentation->id_presentation])
                        ->andWhere(['!=', 'id_gallery', $modelRelationWithPresentation->id_gallery])
                        ->all();

                if(!empty($modelsCompanyPresentationHasCompaniesPhotogalleries)) { 
                    foreach($modelsCompanyPresentationHasCompaniesPhotogalleries as $modelsCompanyPresentationHasCompanyPhotogallery) {
                        $modelsCompanyPresentationHasCompanyPhotogallery->gallery_order -= 1;
                        if(!$modelsCompanyPresentationHasCompanyPhotogallery->save(false)) {
                            $flag = false;
                            break;
                        }
                    }
                }
            }
        } 

        if($flag) {
            return parent::beforeDelete();
        } else {
            return false;
        }
    }
    
    /**
     * @inheritdoc
     */
    public function afterDelete() 
    {
        parent::afterDelete();
        
        if(file_exists(Yii::getAlias('@companiesPhotogalleriesRealPath').'/'.$this->id_gallery.'/')) {
            $this->removeDir(Yii::getAlias('@companiesPhotogalleriesRealPath').'/'.$this->id_gallery.'/');
        }
    }

    /**
     * @return \yii\db\ActiveQuery
     */
    public function getCompany()
    {
        return $this->hasOne(Companies::className(), ['id_company' => 'id_company']);
    }
    
    /**
     * @return \yii\db\ActiveQuery
     */
    public function getPhotos()
    {
        return $this->hasMany(CompaniesPhotogalleriesPhotos::className(), ['id_gallery' => 'id_gallery'])->inverseOf('gallery');
    }
    
    /**
     * @return \yii\db\ActiveQuery
     */
    public function getRelationsWithPresentations()
    {
        return $this->hasMany(CompaniesPresentationsHasCompaniesPhotogalleries::className(), ['id_gallery' => 'id_gallery'])->inverseOf('gallery');
    }
    
    /**
     * @return \yii\db\ActiveQuery
     */
    public function getPresentations()
    {
        return $this->hasMany(CompaniesPresentations::className(), ['id_presentation' => 'id_presentation'])->via('relationsWithPresentations');
    }
}
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