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| 1 | <?php |
| 2 | |
| 3 | namespace GrowthExperiments\Mentorship\Hooks; |
| 4 | |
| 5 | use ChangesListStringOptionsFilter; |
| 6 | use ChangesListStringOptionsFilterGroup; |
| 7 | use GrowthExperiments\MentorDashboard\MenteeOverview\StarredMenteesStore; |
| 8 | use GrowthExperiments\Mentorship\Provider\MentorProvider; |
| 9 | use GrowthExperiments\Mentorship\Store\MentorStore; |
| 10 | use GrowthExperiments\WikiConfigException; |
| 11 | use HashBagOStuff; |
| 12 | use IContextSource; |
| 13 | use MediaWiki\Config\Config; |
| 14 | use MediaWiki\SpecialPage\Hook\ChangesListSpecialPageStructuredFiltersHook; |
| 15 | use MediaWiki\User\UserIdentity; |
| 16 | use RecentChange; |
| 17 | use Wikimedia\Rdbms\IDatabase; |
| 18 | |
| 19 | /** |
| 20 | * RecentChanges filters for mentors. Separate from MentorHooks because MentorManager |
| 21 | * depends on the session so making more common hooks depend on it would break ResourceLoader. |
| 22 | */ |
| 23 | class MentorFilterHooks implements ChangesListSpecialPageStructuredFiltersHook { |
| 24 | |
| 25 | /** @var Config */ |
| 26 | private $config; |
| 27 | |
| 28 | /** @var MentorStore */ |
| 29 | private $mentorStore; |
| 30 | |
| 31 | /** @var StarredMenteesStore */ |
| 32 | private $starredMenteesStore; |
| 33 | |
| 34 | /** @var MentorProvider */ |
| 35 | private $mentorProvider; |
| 36 | |
| 37 | /** @var HashBagOStuff Mentor [starred|unstarred]:username => UserIdentity[] list of mentees */ |
| 38 | private $menteeCache; |
| 39 | |
| 40 | /** |
| 41 | * @param Config $config |
| 42 | * @param MentorStore $mentorStore |
| 43 | * @param StarredMenteesStore $starredMenteesStore |
| 44 | * @param MentorProvider $mentorProvider |
| 45 | */ |
| 46 | public function __construct( |
| 47 | Config $config, |
| 48 | MentorStore $mentorStore, |
| 49 | StarredMenteesStore $starredMenteesStore, |
| 50 | MentorProvider $mentorProvider |
| 51 | ) { |
| 52 | $this->config = $config; |
| 53 | $this->mentorStore = $mentorStore; |
| 54 | $this->starredMenteesStore = $starredMenteesStore; |
| 55 | $this->mentorProvider = $mentorProvider; |
| 56 | $this->menteeCache = new HashBagOStuff(); |
| 57 | } |
| 58 | |
| 59 | /** @inheritDoc */ |
| 60 | public function onChangesListSpecialPageStructuredFilters( $special ) { |
| 61 | // Somewhat arbitrarily, use the dashboard feature flag to expose the mentor filters. |
| 62 | // Also make sure the user is actually a mentor. |
| 63 | try { |
| 64 | if ( !$this->config->get( 'GEMentorDashboardEnabled' ) |
| 65 | || !$this->mentorProvider->isMentor( $special->getUser() ) |
| 66 | ) { |
| 67 | return; |
| 68 | } |
| 69 | } catch ( WikiConfigException $wikiConfigException ) { |
| 70 | return; |
| 71 | } |
| 72 | |
| 73 | $group = new ChangesListStringOptionsFilterGroup( [ |
| 74 | 'name' => 'mentorship', |
| 75 | 'title' => 'growthexperiments-rcfilters-mentorship-title', |
| 76 | 'isFullCoverage' => false, |
| 77 | 'filters' => [], |
| 78 | 'default' => '', |
| 79 | 'queryCallable' => function ( |
| 80 | string $specialPageClassName, |
| 81 | IContextSource $context, |
| 82 | IDatabase $dbr, |
| 83 | array &$tables, |
| 84 | array &$fields, |
| 85 | array &$conds, |
| 86 | array &$query_options, |
| 87 | array &$join_conds, |
| 88 | array $selectedValues |
| 89 | ) { |
| 90 | if ( !$selectedValues ) { |
| 91 | return; |
| 92 | } |
| 93 | |
| 94 | $targetUserIds = []; |
| 95 | if ( in_array( 'starred', $selectedValues, true ) ) { |
| 96 | $targetUserIds = $this->getStarredMenteeIds( $context->getUser() ); |
| 97 | } |
| 98 | if ( in_array( 'unstarred', $selectedValues, true ) ) { |
| 99 | $targetUserIds = array_merge( $targetUserIds, $this->getUnstarredMenteeIds( $context->getUser() ) ); |
| 100 | } |
| 101 | $targetActorIds = $this->convertUserIdsToActorIds( $dbr, $targetUserIds ); |
| 102 | |
| 103 | // The query is shared with other hook handlers, so with the associative array format |
| 104 | // there is a risk of key conflict. Convert into non-associate instead. |
| 105 | // Only apply when $targetIds has at least one ID |
| 106 | if ( $targetActorIds !== [] ) { |
| 107 | $conds['rc_actor'] = $targetActorIds; |
| 108 | } else { |
| 109 | $conds[] = '0=1'; |
| 110 | } |
| 111 | }, |
| 112 | ] ); |
| 113 | $special->registerFilterGroup( $group ); |
| 114 | |
| 115 | $starredMenteesFilter = new ChangesListStringOptionsFilter( [ |
| 116 | 'name' => 'starred', |
| 117 | 'group' => $group, |
| 118 | 'label' => 'growthexperiments-rcfilters-mentorship-starred-label', |
| 119 | 'description' => 'growthexperiments-rcfilters-mentorship-starred-desc', |
| 120 | 'priority' => 0, |
| 121 | 'cssClassSuffix' => 'starred-mentee', |
| 122 | 'isRowApplicableCallable' => function ( IContextSource $context, RecentChange $rc ) { |
| 123 | $starredMenteeIds = $this->getStarredMenteeIds( $context->getUser() ); |
| 124 | return in_array( $rc->getPerformerIdentity()->getId(), $starredMenteeIds, true ); |
| 125 | }, |
| 126 | ] ); |
| 127 | $unstarredMenteesFilter = new ChangesListStringOptionsFilter( [ |
| 128 | 'name' => 'unstarred', |
| 129 | 'group' => $group, |
| 130 | 'label' => 'growthexperiments-rcfilters-mentorship-unstarred-label', |
| 131 | 'description' => 'growthexperiments-rcfilters-mentorship-unstarred-desc', |
| 132 | 'priority' => -1, |
| 133 | 'cssClassSuffix' => 'unstarred-mentee', |
| 134 | 'isRowApplicableCallable' => function ( IContextSource $context, RecentChange $rc ) { |
| 135 | $unstarredMenteeIds = $this->getUnstarredMenteeIds( $context->getUser() ); |
| 136 | return in_array( $rc->getPerformerIdentity()->getId(), $unstarredMenteeIds, true ); |
| 137 | }, |
| 138 | ] ); |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Helper method to load the current user's starred mentees, with caching. |
| 143 | * @param UserIdentity $user |
| 144 | * @return int[] |
| 145 | */ |
| 146 | private function getStarredMenteeIds( UserIdentity $user ): array { |
| 147 | $key = $this->menteeCache->makeKey( 'starred', $user->getId() ); |
| 148 | if ( $this->menteeCache->hasKey( $key ) ) { |
| 149 | return $this->menteeCache->get( $key ); |
| 150 | } |
| 151 | |
| 152 | $starredMentees = $this->starredMenteesStore->getStarredMentees( $user ); |
| 153 | $starredMenteeIds = array_map( static function ( UserIdentity $user ) { |
| 154 | return $user->getId(); |
| 155 | }, $starredMentees ); |
| 156 | |
| 157 | $this->menteeCache->set( $key, $starredMenteeIds ); |
| 158 | return $starredMenteeIds; |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Helper method to load the current user's unstarred mentees, with caching. |
| 163 | * @param UserIdentity $user |
| 164 | * @return int[] |
| 165 | */ |
| 166 | private function getUnstarredMenteeIds( UserIdentity $user ): array { |
| 167 | $key = $this->menteeCache->makeKey( 'unstarred', $user->getId() ); |
| 168 | if ( $this->menteeCache->hasKey( $key ) ) { |
| 169 | return $this->menteeCache->get( $key ); |
| 170 | } |
| 171 | |
| 172 | $mentees = $this->mentorStore->getMenteesByMentor( |
| 173 | $user, |
| 174 | MentorStore::ROLE_PRIMARY, |
| 175 | false, |
| 176 | false |
| 177 | ); |
| 178 | $menteeIds = array_map( static function ( UserIdentity $user ) { |
| 179 | return $user->getId(); |
| 180 | }, $mentees ); |
| 181 | $starredMenteeIds = $this->getStarredMenteeIds( $user ); |
| 182 | $unstarredMenteeIds = array_diff( $menteeIds, $starredMenteeIds ); |
| 183 | |
| 184 | $this->menteeCache->set( $key, $unstarredMenteeIds ); |
| 185 | return $unstarredMenteeIds; |
| 186 | } |
| 187 | |
| 188 | /** |
| 189 | * @param IDatabase $db |
| 190 | * @param int[] $userIds |
| 191 | * @return int[] |
| 192 | */ |
| 193 | private function convertUserIdsToActorIds( IDatabase $db, array $userIds ) { |
| 194 | if ( !$userIds ) { |
| 195 | return []; |
| 196 | } |
| 197 | |
| 198 | // No need to worry about properly acquiring actor IDs - if it shows up in |
| 199 | // recent changes, it already has an actor ID |
| 200 | $res = $db->newSelectQueryBuilder() |
| 201 | ->select( 'actor_id' ) |
| 202 | ->from( 'actor' ) |
| 203 | ->where( [ 'actor_user' => $userIds ] ) |
| 204 | ->caller( __METHOD__ ) |
| 205 | ->fetchFieldValues(); |
| 206 | return array_map( 'intval', $res ); |
| 207 | } |
| 208 | |
| 209 | } |