Differential D25028 Diff 77 src/applications/differential/field/DifferentialCoAuthorsCommitMessageField.php

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				<?php

				final class DifferentialCoAuthorsCommitMessageField
				extends DifferentialCommitMessageField {

				const FIELDKEY = 'co-authors';

				/**
				* @var array<string, string\|null>
				*/
				protected $userEmailCache = array();

				/**
				* @return string
				*/
				public function getFieldName() {
				return pht('Co-Authors');
				}

				/**
				* @return number
				*/
				public function getFieldOrder() {
				return 9999999;
				}

				/**
				* @param string $value
				* @return bool
				*/
				public function validateFieldValue($value) {
				return true;
				}

				/**
				* @return bool
				*/
				public function isFieldEditable() {
				return false;
				}

				/**
				* @return bool
				*/
				public function isTemplateField() {
				return false;
				}

				/**
				* @param string $email
				*
				* @return string\|null
				*/
				protected function getUserPHID($email) {
				if (!array_key_exists($email, $this->userEmailCache)) {
				$this->userEmailCache[$email] = (new DiffusionResolveUserQuery())
				->withName($email)
				->execute();
				}

				return $this->userEmailCache[$email];
				}

				/**
				* @param DifferentialRevision<mixed> $revision
				*
				* @return string
				*/
				public function readFieldValueFromObject(DifferentialRevision $revision) {
				$author_id = $revision->getAuthorPHID();
				$diff_properties = $revision->getActiveDiff()
				->getDiffAuthorshipDict()['properties'];
				$co_authors = array();

				if (!array_key_exists('local:commits', $diff_properties)) {
				return '';
				}

				foreach ($diff_properties['local:commits'] as $commit) {
				if ($this->getUserPHID($commit['authorEmail']) === $author_id) {
				continue;
				}

				$co_authors[] = pht(
				'Co-authored-by: %s <%s>',
				$commit['author'],
				$commit['authorEmail']);
				}

				return implode("\n", array_unique($co_authors));
				}
				}