<?php
/**
* @brief Node Statistics 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 17 Nov 2020
*/
namespace IPS\Node;
/* To prevent PHP errors (extending class does not exist) revealing path */
if ( !\defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
exit;
}
/**
* Statistics Trait
*/
trait Statistics
{
/**
* @brief Cached array of IDs a member has posted in
*/
protected $authorsPostedIn = array();
/**
* Get authors posted in
*
* @param array $inSet The item_ids to check
* @return array
*/
public function authorsPostedIn( array $inSet )
{
if ( !isset( static::$contentItemClass ) )
{
return array();
}
$_key = md5( json_encode( $inSet ) );
if( isset( $this->authorsPostedIn[ $_key ] ) )
{
return $this->authorsPostedIn[ $_key ];
}
$contentItemClass = static::$contentItemClass;
$commentClass = $contentItemClass::$commentClass;
$itemIdField = $contentItemClass::$databaseColumnId;
if ( !$contentItemClass::$commentClass )
{
return array();
}
$items = iterator_to_array( \IPS\Db::i()->select( 'map_item_id, map_member_id', 'core_item_member_map', array( array( 'map_class=?', $contentItemClass ), array( \IPS\Db::i()->in( 'map_item_id', $inSet ) ) ) ) );
$reload = FALSE;
$itemIds = array();
/* Do we have the items we need? */
if ( \count( $items ) )
{
foreach ( $items as $row )
{
$itemIds[] = $row['map_item_id'];
}
$diff = array_diff( $inSet, $itemIds );
if ( \count( $diff ) )
{
$reload = TRUE;
$this->rebuildPostedIn( $diff );
}
}
else
{
/* We got nothing */
$reload = TRUE;
$this->rebuildPostedIn( $inSet );
}
/* Do we need to reload? */
if ( $reload )
{
$items = iterator_to_array( \IPS\Db::i()->select( 'map_item_id, map_member_id', 'core_item_member_map', array(array('map_class=?', $contentItemClass), array(\IPS\Db::i()->in( 'map_item_id', $inSet ) ) ) ) );
$itemIds = [];
if ( \count( $items ) )
{
foreach ( $items as $row )
{
$itemIds[] = $row['map_item_id'];
}
}
if ( $itemIds )
{
/* Check to see if there are any item IDs that can't be set because of missing posts, etc. This prevents an attempted rebuild from occuring over and over again */
$diff = array_diff( $inSet, $itemIds );
if ( \count( $diff ) )
{
foreach( $diff as $id )
{
\IPS\Db::i()->replace( 'core_item_member_map', array( 'map_class' => $contentItemClass, 'map_item_id' => $id, 'map_member_id' => NULL ), TRUE );
}
}
}
}
$return = array();
foreach( $items as $row )
{
$return[ $row['map_member_id'] ][] = $row['map_item_id'];
}
$this->authorsPostedIn[ $_key ] = $return;
return $return;
}
/**
* @brief Cached array of IDs a member has posted in (calculated the expensive way so cached separately)
*/
protected $contentPostedIn = array();
/**
* Retrieve an array of IDs a member has posted in.
*
* @param \IPS\Member|NULL $member The member (NULL for currently logged in member)
* @param array|NULL $inSet If supplied, checks will be restricted to only the ids provided
* @param array|NULL $additionalWhere Additional where clause
* @param array|NULL $commentJoinWhere Additional join clause for comments table
* @return array An array of content item ids
*/
public function contentPostedIn( $member=NULL, $inSet=NULL, $additionalWhere=NULL, $commentJoinWhere=NULL )
{
if ( $member === NULL )
{
$member = \IPS\Member::loggedIn();
}
if( !$member->member_id )
{
return array();
}
if ( !isset( static::$contentItemClass ) )
{
return array();
}
if ( \is_array( $inSet ) AND $additionalWhere === NULL AND $commentJoinWhere === NULL )
{
/* Hooray, the easy efficient way */
$members = $this->authorsPostedIn( $inSet );
if ( isset( $members[ $member->member_id ] ) )
{
return array_values( $members[ $member->member_id ] );
}
return array();
}
else
{
/* The complicated way, which doesn't happen that often */
$contentItemClass = static::$contentItemClass;
$commentClass = $contentItemClass::$commentClass;
$idColumn = static::$databaseColumnId;
$_key = md5( $member->member_id . json_encode( $inSet ) );
if( isset( $this->contentPostedIn[ $_key ] ) )
{
return $this->contentPostedIn[ $_key ];
}
$where = array();
if ( $contentItemClass::$firstCommentRequired )
{
$where[] = array( '(' . $commentClass::$databaseTable . '.' . $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['author'] . '=? )', $member->member_id );
}
else
{
$where[] = array( $contentItemClass::$databaseTable . '.' . $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnMap['container'] . '=?', $this->$idColumn );
$where[] = array( '(' . $commentClass::$databaseTable . '.' . $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['author'] . '=? OR ' . $contentItemClass::$databaseTable . '.' . $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnMap['author'] . '=?)', $member->member_id, $member->member_id );
}
if( \is_array( $inSet ) AND \count( $inSet ) )
{
$where[] = array( $contentItemClass::$databaseTable . '.' . $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnId . ' IN(' . implode( ',', $inSet ) . ')' );
}
if ( $additionalWhere )
{
$where[] = $additionalWhere;
}
$joinClause = array( $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['item'] . '=' . $contentItemClass::$databaseTable . '.' . $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnId );
$items = \IPS\Db::i()->select( $contentItemClass::$databaseTable . '.' . $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnId, $contentItemClass::$databaseTable, $where, NULL, NULL, NULL, NULL, \IPS\Db::SELECT_DISTINCT );
$items->join( $commentClass::$databaseTable, ( $commentJoinWhere !== NULL ) ? array( $joinClause, $commentJoinWhere ) : $joinClause );
$ids = array();
foreach( $items AS $item )
{
$ids[$item] = $item;
}
$this->contentPostedIn[ $_key ] = $ids;
return $ids;
}
}
/**
* Populate the item posted in data
*
* Note that we do fetch guests content here. That is to prevent content from being rebuilt on each click if it solely populated by guests
*
* @param array $inSet Array of item IDs
* @param array $members Optional array of member objects to limit by
*/
public function rebuildPostedIn( array $inSet, $members=array() )
{
$contentItemClass = static::$contentItemClass;
$commentClass = $contentItemClass::$commentClass;
$commentItemField = $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['item'];
$authorColumn = $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['author'];
$where = array();
$deleteWhere = array( array( \IPS\Db::i()->in( 'map_item_id', $inSet ) ) );
if ( \count( $members ) )
{
$memberIds = array();
foreach ( $members as $member )
{
$memberIds[] = $member->member_id;
}
$where[] = array(\IPS\Db::i()->in( $authorColumn, $memberIds ));
$deleteWhere[] = array( \IPS\Db::i()->in( 'map_member_id', $memberIds ) );
}
\IPS\Db::i()->delete( 'core_item_member_map', $deleteWhere );
/* Do the item first if the first comment is not required */
if ( ! $contentItemClass::$firstCommentRequired )
{
$itemAuthorColumn = $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnMap['author'];
$itemDateColumn = $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnMap['date'];
if ( isset( $contentItemClass::$databaseColumnMap['approved'] ) )
{
$approvedColumn = $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnMap['approved'];
$itemWhere[] = array( \IPS\Db::i()->in( $approvedColumn, array( 1, 2 ) ) ); # We want approved comments but also comments hidden because the item is hidden
}
if ( isset( $contentItemClass::$databaseColumnMap['hidden'] ) )
{
$hiddenColumn = $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnMap['hidden'];
$itemWhere[] = array( \IPS\Db::i()->in( $hiddenColumn, array( 0, 2 ) ) ); # We want approved comments but also comments hidden because the item is hidden
}
$itemWhere[] = array( \IPS\Db::i()->in( $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnId, $inSet ) );
$insertFromSelect = \IPS\Db::i()->select( "'" . str_replace( '\\', '\\\\', $contentItemClass ) . "', `{$contentItemClass::$databasePrefix}{$contentItemClass::$databaseColumnId}`, `{$itemAuthorColumn}`, `{$itemDateColumn}`" , $contentItemClass::$databaseTable, $itemWhere );
\IPS\Db::i()->replace( 'core_item_member_map', $insertFromSelect, TRUE );
}
/* Do the comments */
if ( isset( $commentClass::$databaseColumnMap['approved'] ) )
{
$approvedColumn = $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['approved'];
$where[] = array(\IPS\Db::i()->in( $approvedColumn, array(1, 2) )); # We want approved comments but also comments hidden because the item is hidden
}
if ( isset( $commentClass::$databaseColumnMap['hidden'] ) )
{
$hiddenColumn = $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['hidden'];
$where[] = array(\IPS\Db::i()->in( $hiddenColumn, array(0, 2) )); # We want approved comments but also comments hidden because the item is hidden
}
if ( $commentClass::commentWhere() !== NULL )
{
$where[] = $commentClass::commentWhere();
}
$where[] = array(\IPS\Db::i()->in( $commentItemField, $inSet ));
$insertFromSelect = \IPS\Db::i()->select( "DISTINCT `{$authorColumn}`, `{$commentItemField}`, UNIX_TIMESTAMP(), '" . str_replace( '\\', '\\\\', $contentItemClass ) . "'", $commentClass::$databaseTable, $where );
\IPS\Db::i()->replace( 'core_item_member_map', [ 'map_member_id, map_item_id, map_latest_date, map_class', $insertFromSelect ], TRUE );
}
}