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<?php
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/**
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* @brief Advertisements Model
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* @author <a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
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* @copyright (c) 2001 - SVN_YYYY Invision Power Services, Inc.
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* @license http://www.invisionpower.com/legal/standards/
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* @package IPS Social Suite
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* @since 30 Sept 2013
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* @version SVN_VERSION_NUMBER
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*/
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namespace IPS\core;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
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exit;
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}
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/**
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* Advertisements Model
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*/
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class _Advertisement extends \IPS\Patterns\ActiveRecord
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{
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/**
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* @brief Database Table
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*/
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public static $databaseTable = 'core_advertisements';
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/**
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* @brief Database Prefix
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*/
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public static $databasePrefix = 'ad_';
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/**
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* @brief Multiton Store
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*/
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protected static $multitons;
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/**
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* @brief Advertisements loaded during this request (used to update impression count)
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* @see \IPS\Output::sendOutput()
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*/
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public static $advertisementIds = array();
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/**
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* @brief Stored advertisements we can display on this page
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*/
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protected static $advertisements = NULL;
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/**
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* Fetch advertisements and return the appropriate one to display
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*
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* @param string $location Advertisement location
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* @return \IPS\core\Advertisement|NULL
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*/
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public static function loadByLocation( $location )
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{
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/* If we know there are no ads, we don't need to bother */
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if ( !\IPS\Settings::i()->ads_exist )
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{
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return NULL;
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}
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/* Fetch our advertisements, if we haven't already done so */
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if( static::$advertisements === NULL )
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{
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static::$advertisements = array();
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if( !isset( \IPS\Data\Cache::i()->advertisements ) )
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{
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$ads = array();
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foreach( \IPS\Db::i()->select( '*' ,'core_advertisements', array( "ad_active=1 AND ad_start < ? AND ( ad_end=0 OR ad_end > ? )", time(), time() ) ) as $row )
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{
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foreach ( explode( ',', $row['ad_location'] ) as $_location )
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{
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$ads[ $_location ][ $row['ad_id'] ] = $row;
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}
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}
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\IPS\Data\Cache::i()->advertisements = $ads;
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}
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else
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{
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$ads = \IPS\Data\Cache::i()->advertisements;
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}
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foreach( $ads as $loc => $rows )
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{
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foreach ( $rows as $row )
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{
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static::$advertisements[ $loc ][] = static::constructFromData( $row );
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}
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}
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}
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/* Weed out any we don't see due to our group. This is done after loading the advertisements so that the cache can be properly primed regardless of group. */
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foreach( static::$advertisements as $adLocation => $ads )
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{
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foreach( $ads as $index => $ad )
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{
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if ( $ad->exempt != '*' )
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{
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$groupsToHideFrom = array_diff( array_keys(\IPS\Member\Group::groups()), json_decode( $ad->exempt, TRUE ) );
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if ( \IPS\Member::loggedIn()->inGroup( $groupsToHideFrom ) )
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{
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unset( static::$advertisements[ $adLocation ][ $index ] );
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continue;
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}
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}
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}
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}
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/* No advertisements? Just return then */
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if( !count( static::$advertisements ) OR !isset( static::$advertisements[ $location ] ) OR !count( static::$advertisements[ $location ] ) )
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{
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return NULL;
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}
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/* Reset so doesn't throw error */
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static::$advertisements[ $location ] = array_values( static::$advertisements[ $location ] );
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/* If we only have one, that is the one we will show */
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if( count( static::$advertisements[ $location ] ) === 1 )
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{
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$advertisement = static::$advertisements[ $location ][0];
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}
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else
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{
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/* Figure out which one to show you */
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switch( \IPS\Settings::i()->ads_circulation )
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{
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case 'random':
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$advertisement = static::$advertisements[ $location ][ array_rand( static::$advertisements[ $location ] ) ];
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break;
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case 'newest':
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usort( static::$advertisements[ $location ], function( $a, $b ){
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return strcmp( $a->start, $b->start );
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} );
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$advertisement = static::$advertisements[ $location ][0];
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break;
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case 'oldest':
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usort( static::$advertisements[ $location ], function( $a, $b ){
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return strcmp( $b->start, $a->start );
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} );
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$advertisement = static::$advertisements[ $location ][0];
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break;
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case 'least':
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usort( static::$advertisements[ $location ], function( $a, $b ){
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return strcmp( $a->impressions, $b->impressions );
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} );
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$advertisement = static::$advertisements[ $location ][0];
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break;
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}
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}
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return $advertisement;
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}
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/**
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* Convert the advertisement to an HTML string
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*
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* @return string
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*/
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public function __toString()
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{
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/* Showing HTML or an image? */
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if( $this->html )
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{
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if( \IPS\Request::i()->isSecure() AND $this->html_https_set )
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{
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$result = $this->html_https;
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}
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else
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{
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$result = $this->html;
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}
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}
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else
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{
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$result = \IPS\Theme::i()->getTemplate( 'global', 'core', 'global' )->advertisementImage( $this );
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}
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/* Did we just hit the maximum impression count? If so, disable and then clear the cache so it will rebuild next time. */
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if( $this->maximum_unit == 'i' AND $this->maximum_value > -1 AND $this->impressions + 1 >= $this->maximum_value )
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{
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$this->active = 0;
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$this->save();
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if ( !\IPS\Db::i()->select( 'COUNT(*)', 'core_advertisements', 'ad_active=1' )->first() )
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{
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\IPS\Db::i()->update( 'core_sys_conf_settings', array( 'conf_value' => 0 ), array( 'conf_key=?', 'ads_exist' ) );
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unset( \IPS\Data\Store::i()->settings );
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}
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}
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/* Store the id so we can update impression count and return the ad */
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self::$advertisementIds[] = $this->id;
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return $result;
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}
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/**
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* Get images
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*
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* @return array
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*/
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public function get__images()
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{
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if( !isset( $this->_data['_images'] ) )
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{
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$this->_data['_images'] = $this->_data['images'] ? json_decode( $this->_data['images'], TRUE ) : array();
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}
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return $this->_data['_images'];
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}
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/**
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* Save Changed Columns
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*
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* @return void
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*/
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public function save()
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{
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parent::save();
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unset( \IPS\Data\Cache::i()->advertisements );
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}
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/**
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* Get the file system storage extension
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*
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* @return string
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*/
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public function storageExtension()
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{
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if ( $this->member )
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{
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return 'nexus_Ads';
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}
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else
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{
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return 'core_Advertisements';
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}
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}
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/**
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* [ActiveRecord] Delete Record
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*
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* @return void
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*/
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public function delete()
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{
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/* If we have images, delete them */
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if( count( $this->_images ) )
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{
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\IPS\File::get( $this->storageExtension(), $this->_images['large'] )->delete();
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if( isset( $this->_images['small'] ) )
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{
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\IPS\File::get( $this->storageExtension(), $this->_images['small'] )->delete();
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}
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if( isset( $this->_images['medium'] ) )
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{
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\IPS\File::get( $this->storageExtension(), $this->_images['medium'] )->delete();
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}
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}
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/* Delete */
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parent::delete();
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/* Empty the cache */
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unset( \IPS\Data\Cache::i()->advertisements );
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if ( !\IPS\Db::i()->select( 'COUNT(*)', 'core_advertisements', 'ad_active=1' )->first() )
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{
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\IPS\Db::i()->update( 'core_sys_conf_settings', array( 'conf_value' => 0 ), array( 'conf_key=?', 'ads_exist' ) );
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unset( \IPS\Data\Store::i()->settings );
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}
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}
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}
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