Files
2025-12-19 19:04:57 -08:00

383 lines
10 KiB
PHP

<?php
/**
* @brief Follow Model
* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
* @copyright (c) Invision Power Services, Inc.
* @license https://www.invisioncommunity.com/legal/standards/
* @package Invision Community
* @since 13 Nov 2017
* @todo Adjust follow code over time to use this class instead
*/
namespace IPS\core\Followed;
/* To prevent PHP errors (extending class does not exist) revealing path */
use InvalidArgumentException;
use IPS\Api\Webhook;
use IPS\Application;
use IPS\Content\Tag;
use IPS\DateTime;
use IPS\Db;
use IPS\Events\Event;
use IPS\IPS;
use IPS\Member;
use IPS\Member\Club;
use IPS\Node\Model;
use IPS\Patterns\ActiveRecord;
use OutOfRangeException;
use UnderflowException;
use function defined;
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
header( ( $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.0' ) . ' 403 Forbidden' );
exit;
}
/**
* Follow Model
*/
class Follow extends ActiveRecord
{
/**
* @brief Database Table
*/
public static ?string $databaseTable = 'core_follow';
/**
* @brief Database Prefix
*/
public static string $databasePrefix = 'follow_';
/**
* @brief Multiton Store
*/
protected static array $multitons;
/**
* @brief [ActiveRecord] ID Database Column
*/
public static string $databaseColumnId = 'id';
/**
* @brief [ActiveRecord] Multiton Map
*/
protected static array $multitonMap = array();
/**
* Set Default Values (overriding $defaultValues)
*
* @return void
*/
protected function setDefaultValues() : void
{
$this->notify_meta = '';
$this->visible = 1;
}
/**
* Save
*
* @return void
*/
public function save(): void
{
$sendWebhook = false;
if( $this->_new )
{
$this->added = time();
$sendWebhook = true;
}
$this->id = md5( $this->app . ';' . $this->area . ';' . $this->rel_id . ';' . $this->member_id );
parent::save();
if ( $sendWebhook )
{
Webhook::fire( 'content_followed', $this);
}
$this->clearFollowCache();
}
/**
* Get output for API
*
* @param Member|NULL $authorizedMember The member making the API request or NULL for API Key / client_credentials
* @return array|null
* @apiresponse int followKey Unique key that represents the follow
* @apiresponse string followApp The application of the content that was followed
* @apiresponse string followArea The area of the content that was followed
* @apiresponse int followId The ID of the content that was followed
* @apiresponse bool followAnon Flag to indicate if the member is following anonymously
* @apiresponse bool followNotify Flag to indicate if notifications should be sent
* @apiresponse string|null followType Notification preference for this follow, or null if notifications are not being sent
* @apiresponse datetime|null followSent Date and time the last notification was sent, or NULL if none has been sent
* @apiresponse string followName Textual representation of the content that was followed (title, name, etc.)
* @apiresponse string followUrl URL to the content that was followed
* @apiresponse \IPS\Member followMember Member following the item
*/
public function apiOutput( Member $authorizedMember = NULL ): array|null
{
if( $this->area == 'member' AND $this->app == 'core' )
{
$followed = Member::load( $this->rel_id );
$name = $followed->name;
$url = $followed->url();
}
else if( $this->area == 'club' AND $this->app == 'core')
{
$followed = Club::load( $this->rel_id );
$name = $followed->name;
$url = $followed->url();
}
else
{
foreach( Application::load( $this->app )->extensions( 'core', 'ContentRouter' ) as $key => $router )
{
foreach( $router->classes as $class )
{
$followArea = mb_strtolower( mb_substr( $class, mb_strrpos( $class, '\\' ) + 1 ) );
if( $followArea == $this->area AND $class::$application == $this->app )
{
try
{
$followed = $class::load( $this->rel_id );
$name = $followed->mapped('title');
$url = $followed->url();
}
catch( OutOfRangeException $e )
{
/* If the item doesn't exist we may as well clean up core_follow */
parent::delete();
return NULL;
}
}
else
{
$containers = array();
if( isset( $class::$containerNodeClass ) )
{
$containers[ $class::$containerNodeClass ] = $class::$containerNodeClass;
}
if( isset( $class::$containerFollowClasses ) )
{
foreach( $class::$containerFollowClasses as $followClass )
{
$containers[ $followClass ] = $followClass;
}
}
foreach( $containers as $container )
{
$containerArea = mb_strtolower( mb_substr( $container, mb_strrpos( $container, '\\' ) + 1 ) );
if( $containerArea == $this->area AND $class::$application == $this->app )
{
try
{
$followed = $container::load( $this->rel_id );
$name = $followed->_title;
$url = $followed->url();
}
catch( OutOfRangeException $e )
{
/* If the item doesn't exist we may as well clean up core_follow */
parent::delete();
return null;
}
}
}
}
}
}
}
return array(
'followKey' => $this->id,
'followApp' => $this->app,
'followArea' => $this->area,
'followId' => $this->rel_id,
'followAnon' => (bool) $this->is_anon,
'followNotify' => (bool) $this->notify_do,
'followType' => $this->notify_do ? $this->notify_freq : NULL,
'followSent' => $this->notify_sent ? DateTime::ts( $this->notify_sent )->rfc3339() : NULL,
'followName' => $name ?? '',
'followUrl' => ( isset( $url ) ? (string) $url : '' ),
'followMember' => Member::load($this->member_id)->apiOutput($authorizedMember)
);
}
/**
* @var array[<string><string>] Special follow classes
*/
public static array $specialFollowClasses = [
'core' => [
'member' => Member::class,
'club' => Club::class,
'tag' => Tag::class
],
];
/**
* Return the app and area parameters
*
* @param object $object
* @return array
*/
public static function getFollowParameters( object $object ) : array
{
$objectClass = get_class( $object );
foreach( static::$specialFollowClasses as $app => $areas )
{
foreach( $areas as $area => $class )
{
if( $class == $objectClass )
{
return [
'app' => $app,
'area' => $area
];
}
}
}
$itemClass = ( $object instanceof Model ) ? $object::$contentItemClass : get_class( $object );
return [
'app' => $itemClass::$application,
'area' => mb_strtolower( mb_substr( $objectClass, mb_strrpos( $objectClass, '\\' ) + 1 ) )
];
}
/**
* Find a record based on an object and a member
*
* @param object $object
* @param Member|null $member
* @return static|null
* @throws OutOfRangeException
*/
public static function loadByObject( object $object, ?Member $member=null ) : static|null
{
$member = $member ?: Member::loggedIn();
/* Guests can never follow anything */
if ( !$member->member_id )
{
throw new OutOfRangeException;
}
$params = static::getFollowParameters( $object );
$idColumn = $object::$databaseColumnId;
try
{
$row = Db::i()->select( '*', 'core_follow', [ 'follow_app=? and follow_area=? and follow_rel_id=? and follow_member_id=?', $params['app'], $params['area'], $object->$idColumn, $member->member_id ] )->first();
return static::constructFromData( $row );
}
catch( UnderflowException )
{
throw new OutOfRangeException;
}
}
/**
* @return string
*/
public function get__class() : string
{
if( isset( static::$specialFollowClasses[ $this->app ][ $this->area ] ) )
{
return static::$specialFollowClasses[ $this->app ][ $this->area ];
}
return 'IPS\\' . $this->app . '\\' . IPS::mb_ucfirst( $this->area );
}
/**
* @return ActiveRecord|null
*/
public function get__item() : ActiveRecord|null
{
$class = $this->_class;
try
{
return $class::load( $this->rel_id );
}
catch( OutOfRangeException )
{
return null;
}
}
/**
* Set as many properties as we can get from the object
*
* @param object $object
* @return void
*/
public function set_object( object $object ) : void
{
$params = static::getFollowParameters( $object );
$this->app = $params['app'];
$this->area = $params['area'];
$idColumn = $object::$databaseColumnId;
$this->rel_id = $object->$idColumn;
}
/**
* Get the class to follow
*
* @param string $app Application key
* @param string $area Area
* @return string
* @throws InvalidArgumentException
*/
public static function getClassToFollow(string $app, string $area): string
{
if( isset( static::$specialFollowClasses[$app][$area] ) )
{
$classToFollow = static::$specialFollowClasses[$app][$area];
}
else
{
$classToFollow = 'IPS\\' . $app . '\\' . IPS::mb_ucfirst( $area );
if( !class_exists( $classToFollow) or !array_key_exists( $app, Application::applications() ) )
{
throw new InvalidArgumentException;
}
}
return $classToFollow;
}
/**
* Delete corresponding record from the follow cache
*
* @return void
*/
protected function clearFollowCache() : void
{
Db::i()->delete( 'core_follow_count_cache', array( 'id=? AND class=?', $this->rel_id, $this->_class ) );
}
public function delete(): void
{
Webhook::fire( 'content_unfollowed', $this );
Event::fire( 'onUnfollow', Member::load( $this->member_id ), [ $this->_item ] );
parent::delete();
/* Delete from the cache */
$this->clearFollowCache();
}
}