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| 1 | <?php |
| 2 | |
| 3 | namespace GrowthExperiments\Mentorship; |
| 4 | |
| 5 | use GrowthExperiments\Mentorship\Provider\MentorProvider; |
| 6 | use GrowthExperiments\Mentorship\Store\MentorStore; |
| 7 | use GrowthExperiments\WikiConfigException; |
| 8 | use MediaWiki\JobQueue\JobQueueGroupFactory; |
| 9 | use MediaWiki\Status\StatusFormatter; |
| 10 | use MediaWiki\User\UserIdentity; |
| 11 | use MediaWiki\WikiMap\WikiMap; |
| 12 | use MessageLocalizer; |
| 13 | use Psr\Log\LoggerAwareTrait; |
| 14 | use Psr\Log\NullLogger; |
| 15 | use Wikimedia\Rdbms\IDatabase; |
| 16 | |
| 17 | class ReassignMentees { |
| 18 | use LoggerAwareTrait; |
| 19 | |
| 20 | public const STAGE_LISTED_AS_MENTOR = 1; |
| 21 | public const STAGE_NOT_LISTED_HAS_MENTEES = 2; |
| 22 | public const STAGE_NOT_LISTED_NO_MENTEES = 3; |
| 23 | |
| 24 | private IDatabase $dbw; |
| 25 | private MentorManager $mentorManager; |
| 26 | private MentorProvider $mentorProvider; |
| 27 | private MentorStore $mentorStore; |
| 28 | private ChangeMentorFactory $changeMentorFactory; |
| 29 | private JobQueueGroupFactory $jobQueueGroupFactory; |
| 30 | private StatusFormatter $statusFormatter; |
| 31 | private UserIdentity $performer; |
| 32 | private UserIdentity $mentor; |
| 33 | private MessageLocalizer $messageLocalizer; |
| 34 | |
| 35 | /** |
| 36 | * @param IDatabase $dbw |
| 37 | * @param MentorManager $mentorManager |
| 38 | * @param MentorProvider $mentorProvider |
| 39 | * @param MentorStore $mentorStore |
| 40 | * @param ChangeMentorFactory $changeMentorFactory |
| 41 | * @param JobQueueGroupFactory $jobQueueGroupFactory |
| 42 | * @param StatusFormatter $statusFormatter |
| 43 | * @param UserIdentity $performer |
| 44 | * @param UserIdentity $mentor |
| 45 | * @param MessageLocalizer $messageLocalizer |
| 46 | */ |
| 47 | public function __construct( |
| 48 | IDatabase $dbw, |
| 49 | MentorManager $mentorManager, |
| 50 | MentorProvider $mentorProvider, |
| 51 | MentorStore $mentorStore, |
| 52 | ChangeMentorFactory $changeMentorFactory, |
| 53 | JobQueueGroupFactory $jobQueueGroupFactory, |
| 54 | StatusFormatter $statusFormatter, |
| 55 | UserIdentity $performer, |
| 56 | UserIdentity $mentor, |
| 57 | MessageLocalizer $messageLocalizer |
| 58 | ) { |
| 59 | $this->dbw = $dbw; |
| 60 | $this->mentorManager = $mentorManager; |
| 61 | $this->mentorProvider = $mentorProvider; |
| 62 | $this->mentorStore = $mentorStore; |
| 63 | $this->changeMentorFactory = $changeMentorFactory; |
| 64 | $this->jobQueueGroupFactory = $jobQueueGroupFactory; |
| 65 | $this->statusFormatter = $statusFormatter; |
| 66 | $this->performer = $performer; |
| 67 | $this->mentor = $mentor; |
| 68 | $this->messageLocalizer = $messageLocalizer; |
| 69 | $this->logger = new NullLogger(); |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * @return int One of ReassignMentees::STAGE_* constants |
| 74 | */ |
| 75 | public function getStage(): int { |
| 76 | if ( $this->mentorProvider->isMentor( $this->mentor ) ) { |
| 77 | return self::STAGE_LISTED_AS_MENTOR; |
| 78 | } elseif ( $this->mentorStore->hasAnyMentees( $this->mentor, MentorStore::ROLE_PRIMARY ) ) { |
| 79 | return self::STAGE_NOT_LISTED_HAS_MENTEES; |
| 80 | } else { |
| 81 | return self::STAGE_NOT_LISTED_NO_MENTEES; |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Reassign mentees currently assigned to the mentor via a job |
| 87 | * |
| 88 | * If no job is needed, use doReassignMentees directly. |
| 89 | * |
| 90 | * @param string $reassignMessageKey Message key used in in ChangeMentor notification; needs |
| 91 | * to accept one parameter (username of the previous mentor). Additional parameters can be |
| 92 | * passed via $reassignMessageAdditionalParams. |
| 93 | * @param mixed ...$reassignMessageAdditionalParams |
| 94 | */ |
| 95 | public function reassignMentees( |
| 96 | string $reassignMessageKey, |
| 97 | ...$reassignMessageAdditionalParams |
| 98 | ): void { |
| 99 | // checking if any mentees exist is a cheap operation; do not submit a job if it is going |
| 100 | // to be a no-op. |
| 101 | if ( $this->mentorStore->hasAnyMentees( $this->mentor, MentorStore::ROLE_PRIMARY ) ) { |
| 102 | $this->jobQueueGroupFactory->makeJobQueueGroup()->lazyPush( |
| 103 | new ReassignMenteesJob( [ |
| 104 | 'mentorId' => $this->mentor->getId(), |
| 105 | 'performerId' => $this->performer->getId(), |
| 106 | 'reassignMessageKey' => $reassignMessageKey, |
| 107 | 'reassignMessageAdditionalParams' => $reassignMessageAdditionalParams, |
| 108 | ] ) |
| 109 | ); |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Actually reassign all mentees currently assigned to the mentor |
| 115 | * |
| 116 | * @param string $reassignMessageKey Message key used in in ChangeMentor notification; needs |
| 117 | * to accept one parameter (username of the previous mentor). Additional parameters can be |
| 118 | * passed via $reassignMessageAdditionalParams. |
| 119 | * @param mixed ...$reassignMessageAdditionalParams |
| 120 | * @return bool True if successful, false otherwise. |
| 121 | */ |
| 122 | public function doReassignMentees( |
| 123 | string $reassignMessageKey, |
| 124 | ...$reassignMessageAdditionalParams |
| 125 | ): bool { |
| 126 | $lockName = 'GrowthExperiments-ReassignMentees-' . $this->mentor->getId() . |
| 127 | WikiMap::getCurrentWikiId(); |
| 128 | if ( !$this->dbw->lock( $lockName, __METHOD__, 0 ) ) { |
| 129 | $this->logger->warning( |
| 130 | __METHOD__ . ' failed to acquire a lock' |
| 131 | ); |
| 132 | return false; |
| 133 | } |
| 134 | |
| 135 | // only process primary mentors (T309984). Backup mentors will be automatically ignored by |
| 136 | // MentorPageMentorManager::getMentorForUser and replaced with a valid mentor if needed |
| 137 | $mentees = $this->mentorStore->getMenteesByMentor( $this->mentor, MentorStore::ROLE_PRIMARY ); |
| 138 | foreach ( $mentees as $mentee ) { |
| 139 | $changeMentor = $this->changeMentorFactory->newChangeMentor( |
| 140 | $mentee, |
| 141 | $this->performer |
| 142 | ); |
| 143 | |
| 144 | try { |
| 145 | $newMentor = $this->mentorManager->getRandomAutoAssignedMentor( $mentee ); |
| 146 | } catch ( WikiConfigException $e ) { |
| 147 | $this->logger->warning( |
| 148 | 'ReassignMentees failed to reassign mentees for {mentor}; mentor list is invalid', |
| 149 | [ |
| 150 | 'mentor' => $this->mentor->getName() |
| 151 | ] |
| 152 | ); |
| 153 | return false; |
| 154 | } |
| 155 | |
| 156 | if ( !$newMentor ) { |
| 157 | $this->logger->warning( |
| 158 | 'ReassignMentees failed to reassign mentees for {mentor}; no mentor is available', |
| 159 | [ |
| 160 | 'mentor' => $this->mentor->getName(), |
| 161 | 'impact' => 'Mentor-mentee relationship dropped' |
| 162 | ] |
| 163 | ); |
| 164 | $this->mentorStore->dropMenteeRelationship( $mentee ); |
| 165 | continue; |
| 166 | } |
| 167 | |
| 168 | $status = $changeMentor->execute( |
| 169 | $newMentor, |
| 170 | $this->messageLocalizer->msg( |
| 171 | $reassignMessageKey, |
| 172 | $this->mentor->getName(), |
| 173 | ...$reassignMessageAdditionalParams |
| 174 | )->text(), |
| 175 | true |
| 176 | ); |
| 177 | if ( !$status->isOK() ) { |
| 178 | $this->logger->warning( |
| 179 | 'ReassignMentees failed to assign {mentor} as {user}\'s mentor for {reason}', |
| 180 | [ |
| 181 | 'mentor' => $newMentor->getName(), |
| 182 | 'user' => $mentee->getName(), |
| 183 | 'reason' => $this->statusFormatter->getWikiText( $status, [ 'lang' => 'en' ] ) |
| 184 | ] |
| 185 | ); |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | $this->dbw->unlock( $lockName, __METHOD__ ); |
| 190 | return true; |
| 191 | } |
| 192 | } |