mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/AbuseFilter.git
synced 2024-11-24 14:13:54 +00:00
ae29451ab8
The scope is still quite limited, but as noted in a todo, we might want to make this completely independent from the database, and add the use case of ViewDiff. Change-Id: Ie980fff0983b3e86037265e85da04444c809a6e8
72 lines
2 KiB
PHP
72 lines
2 KiB
PHP
<?php
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namespace MediaWiki\Extension\AbuseFilter;
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use MediaWiki\Extension\AbuseFilter\Filter\Filter;
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/**
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* This service allows comparing two versions of a filter.
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* @todo We might want to expand this to cover the use case of ViewDiff
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* @internal
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*/
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class FilterCompare {
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public const SERVICE_NAME = 'AbuseFilterFilterCompare';
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/** @var string[] */
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private $availableActions;
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/**
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* @param string[] $availableActions
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*/
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public function __construct( array $availableActions ) {
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$this->availableActions = $availableActions;
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}
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/**
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* @param Filter $firstFilter
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* @param Filter $secondFilter
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* @return array Fields that are different
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*/
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public function compareVersions( Filter $firstFilter, Filter $secondFilter ) : array {
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// TODO: Avoid DB references here, re-add when saving the filter
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$methods = [
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'af_public_comments' => 'getName',
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'af_pattern' => 'getRules',
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'af_comments' => 'getComments',
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'af_deleted' => 'isDeleted',
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'af_enabled' => 'isEnabled',
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'af_hidden' => 'isHidden',
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'af_global' => 'isGlobal',
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'af_group' => 'getGroup',
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];
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$differences = [];
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foreach ( $methods as $field => $method ) {
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if ( $firstFilter->$method() !== $secondFilter->$method() ) {
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$differences[] = $field;
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}
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}
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$firstActions = $firstFilter->getActions();
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$secondActions = $secondFilter->getActions();
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foreach ( $this->availableActions as $action ) {
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if ( !isset( $firstActions[$action] ) && !isset( $secondActions[$action] ) ) {
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// They're both unset
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} elseif ( isset( $firstActions[$action] ) && isset( $secondActions[$action] ) ) {
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// They're both set. Double check needed, e.g. per T180194
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if ( array_diff( $firstActions[$action], $secondActions[$action] ) ||
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array_diff( $secondActions[$action], $firstActions[$action] ) ) {
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// Different parameters
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$differences[] = 'actions';
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}
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} else {
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// One's unset, one's set.
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$differences[] = 'actions';
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}
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}
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return array_unique( $differences );
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}
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}
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