341 lines
11 KiB
PHP
341 lines
11 KiB
PHP
<?php
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/**
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* @brief Node Statistics Model
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* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
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* @copyright (c) Invision Power Services, Inc.
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* @license https://www.invisioncommunity.com/legal/standards/
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* @package Invision Community
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* @since 17 Nov 2020
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*/
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namespace IPS\Node;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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use Exception;
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use IPS\Content\Comment;
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use IPS\Content\Item;
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use IPS\Db;
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use IPS\Member;
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use function count;
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use function defined;
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use function is_array;
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if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( $_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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* Statistics Trait
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*/
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trait Statistics
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{
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/**
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* @brief Cached array of IDs a member has posted in
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*/
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protected array $authorsPostedIn = array();
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/**
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* Get authors posted in
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*
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* @param array $inSet The item_ids to check
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* @return array
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*/
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public function authorsPostedIn( array $inSet ): array
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{
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if ( !isset( static::$contentItemClass ) )
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{
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return array();
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}
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$_key = md5( json_encode( $inSet ) );
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if( isset( $this->authorsPostedIn[ $_key ] ) )
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{
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return $this->authorsPostedIn[ $_key ];
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}
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$contentItemClass = static::$contentItemClass;
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$commentClass = $contentItemClass::$commentClass;
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$itemIdField = $contentItemClass::$databaseColumnId;
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if ( !$contentItemClass::$commentClass )
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{
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return array();
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}
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$items = iterator_to_array( Db::i()->select( 'map_item_id, map_member_id', 'core_item_member_map', array( array( 'map_class=?', $contentItemClass ), array( Db::i()->in( 'map_item_id', $inSet ) ) ) ) );
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$reload = FALSE;
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$itemIds = array();
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/* Do we have the items we need? */
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if ( count( $items ) )
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{
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foreach ( $items as $row )
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{
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$itemIds[] = $row['map_item_id'];
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}
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$diff = array_diff( $inSet, $itemIds );
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if ( count( $diff ) )
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{
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$reload = TRUE;
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$this->rebuildPostedIn( $diff );
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}
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}
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else
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{
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/* We got nothing */
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$reload = TRUE;
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$this->rebuildPostedIn( $inSet );
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}
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/* Do we need to reload? */
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if ( $reload )
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{
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$items = iterator_to_array( Db::i()->select( 'map_item_id, map_member_id', 'core_item_member_map', array(array('map_class=?', $contentItemClass), array(Db::i()->in( 'map_item_id', $inSet ) ) ) ) );
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$itemIds = [];
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if ( count( $items ) )
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{
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foreach ( $items as $row )
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{
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$itemIds[] = $row['map_item_id'];
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}
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}
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if ( $itemIds )
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{
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/* Check to see if there are any item IDs that can't be set because of missing posts, etc. This prevents an attempted rebuild from occuring over and over again */
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$diff = array_diff( $inSet, $itemIds );
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if ( count( $diff ) )
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{
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foreach( $diff as $id )
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{
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Db::i()->replace( 'core_item_member_map', array( 'map_class' => $contentItemClass, 'map_item_id' => $id, 'map_member_id' => NULL ), TRUE );
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}
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}
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}
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}
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$return = array();
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foreach( $items as $row )
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{
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$return[ $row['map_member_id'] ][] = $row['map_item_id'];
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}
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$this->authorsPostedIn[ $_key ] = $return;
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return $return;
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}
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/**
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* @brief Cached array of IDs a member has posted in (calculated the expensive way so cached separately)
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*/
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protected array $contentPostedIn = array();
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/**
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* Retrieve an array of IDs a member has posted in.
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*
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* @param Member|null $member The member (NULL for currently logged in member)
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* @param array|null $inSet If supplied, checks will be restricted to only the ids provided
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* @param array|null $additionalWhere Additional where clause
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* @param array|null $commentJoinWhere Additional join clause for comments table
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* @return array An array of content item ids
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*/
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public function contentPostedIn(Member $member=NULL, array $inSet=NULL, array $additionalWhere=NULL, array $commentJoinWhere=NULL ): array
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{
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if ( $member === NULL )
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{
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$member = Member::loggedIn();
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}
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if( !$member->member_id )
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{
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return array();
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}
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if ( !isset( static::$contentItemClass ) )
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{
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return array();
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}
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if ( is_array( $inSet ) AND $additionalWhere === NULL AND $commentJoinWhere === NULL )
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{
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/* Hooray, the easy efficient way */
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$members = $this->authorsPostedIn( $inSet );
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if ( isset( $members[ $member->member_id ] ) )
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{
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return array_values( $members[ $member->member_id ] );
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}
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return array();
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}
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else
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{
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/* The complicated way, which doesn't happen that often */
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/* @var Item $contentItemClass */
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$contentItemClass = static::$contentItemClass;
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/* @var Comment $commentClass */
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$commentClass = $contentItemClass::$commentClass;
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$idColumn = static::$databaseColumnId;
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$_key = md5( $member->member_id . json_encode( $inSet ) );
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if( isset( $this->contentPostedIn[ $_key ] ) )
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{
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return $this->contentPostedIn[ $_key ];
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}
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$where = array();
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/* @var array $databaseColumnMap */
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if ( $contentItemClass::$firstCommentRequired )
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{
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$where[] = array( '(' . $commentClass::$databaseTable . '.' . $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['author'] . '=? )', $member->member_id );
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}
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else
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{
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$where[] = array( $contentItemClass::$databaseTable . '.' . $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnMap['container'] . '=?', $this->$idColumn );
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$where[] = array( '(' . $commentClass::$databaseTable . '.' . $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['author'] . '=? OR ' . $contentItemClass::$databaseTable . '.' . $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnMap['author'] . '=?)', $member->member_id, $member->member_id );
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}
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if( is_array( $inSet ) AND count( $inSet ) )
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{
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$where[] = array( $contentItemClass::$databaseTable . '.' . $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnId . ' IN(' . implode( ',', $inSet ) . ')' );
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}
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if ( $additionalWhere )
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{
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$where[] = $additionalWhere;
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}
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$joinClause = array( $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['item'] . '=' . $contentItemClass::$databaseTable . '.' . $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnId );
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$items = Db::i()->select( $contentItemClass::$databaseTable . '.' . $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnId, $contentItemClass::$databaseTable, $where, NULL, NULL, NULL, NULL, Db::SELECT_DISTINCT );
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$items->join( $commentClass::$databaseTable, ( $commentJoinWhere !== NULL ) ? array( $joinClause, $commentJoinWhere ) : $joinClause );
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$ids = array();
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foreach( $items AS $item )
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{
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$ids[$item] = $item;
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}
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$this->contentPostedIn[ $_key ] = $ids;
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return $ids;
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}
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}
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/**
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* Populate the item posted in data
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*
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* 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
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*
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* @param array $inSet Array of item IDs
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* @param array $members Optional array of member objects to limit by\
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* @return void
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*/
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public function rebuildPostedIn( array $inSet, array $members=array() ) : void
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{
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/* @var array $databaseColumnMap */
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$contentItemClass = static::$contentItemClass;
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$commentClass = $contentItemClass::$commentClass;
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$commentItemField = $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['item'];
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$authorColumn = $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['author'];
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$where = array();
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$deleteWhere = array( array( Db::i()->in( 'map_item_id', $inSet ) ) );
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if ( count( $members ) )
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{
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$memberIds = array();
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foreach ( $members as $member )
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{
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$memberIds[] = $member->member_id;
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}
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$where[] = array(Db::i()->in( $authorColumn, $memberIds ));
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$deleteWhere[] = array( Db::i()->in( 'map_member_id', $memberIds ) );
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}
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Db::i()->delete( 'core_item_member_map', $deleteWhere );
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/* Do the item first if the first comment is not required */
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if ( ! $contentItemClass::$firstCommentRequired )
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{
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$itemAuthorColumn = $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnMap['author'];
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$itemDateColumn = $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnMap['date'];
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if ( isset( $contentItemClass::$databaseColumnMap['approved'] ) )
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{
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$approvedColumn = $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnMap['approved'];
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$itemWhere[] = array( Db::i()->in( $approvedColumn, array( 1, 2 ) ) ); # We want approved comments but also comments hidden because the item is hidden
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}
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if ( isset( $contentItemClass::$databaseColumnMap['hidden'] ) )
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{
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$hiddenColumn = $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnMap['hidden'];
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$itemWhere[] = array( Db::i()->in( $hiddenColumn, array( 0, 2 ) ) ); # We want approved comments but also comments hidden because the item is hidden
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}
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$itemWhere[] = array( Db::i()->in( $contentItemClass::$databasePrefix . $contentItemClass::$databaseColumnId, $inSet ) );
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try
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{
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$seen = array();
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/* We don't want a complex query on a large table (forums_posts) hitting a write server, so split this for forums to select (read server) and insert (write server) */
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foreach( Db::i()->select( "`{$authorColumn}`, `{$commentItemField}`", $commentClass::$databaseTable, $where, NULL, 1 ) as $row )
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{
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$key = $row[ $authorColumn ] . '_' . $row[ $commentItemField ];
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if ( isset( $seen[ $key ] ) or ! $row[ $authorColumn ] )
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{
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continue;
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}
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$seen[ $key ] = true;
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Db::i()->insert( 'core_item_member_map', [
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'map_member_id' => $row[ $authorColumn ],
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'map_item_id' => $row[ $commentItemField ],
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'map_latest_date' => time(),
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'map_class' => $contentItemClass
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] );
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}
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}
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catch( Exception ) { }
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}
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/* If forums are being used for Pages comments, we don't want to look at those */
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if( mb_substr( $commentClass, 0, 32 ) === 'IPS\\cms\\Records\\CommentTopicSync' )
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{
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return;
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}
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/* Do the comments */
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if ( isset( $commentClass::$databaseColumnMap['approved'] ) )
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{
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$approvedColumn = $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['approved'];
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$where[] = array(Db::i()->in( $approvedColumn, array(1, 2) )); # We want approved comments but also comments hidden because the item is hidden
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}
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if ( isset( $commentClass::$databaseColumnMap['hidden'] ) )
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{
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$hiddenColumn = $commentClass::$databasePrefix . $commentClass::$databaseColumnMap['hidden'];
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$where[] = array(Db::i()->in( $hiddenColumn, array(0, 2) )); # We want approved comments but also comments hidden because the item is hidden
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}
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if ( $commentClass::commentWhere() !== NULL )
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{
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$where[] = $commentClass::commentWhere();
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}
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$where[] = array(Db::i()->in( $commentItemField, $inSet ));
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$insertFromSelect = Db::i()->select( "DISTINCT `{$authorColumn}`, `{$commentItemField}`, UNIX_TIMESTAMP(), '" . str_replace( '\\', '\\\\', $contentItemClass ) . "'", $commentClass::$databaseTable, $where );
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Db::i()->replace( 'core_item_member_map', [ 'map_member_id, map_item_id, map_latest_date, map_class', $insertFromSelect ], TRUE );
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}
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}
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