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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along |
| 15 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * http://www.gnu.org/copyleft/gpl.html |
| 18 | * |
| 19 | * @file |
| 20 | */ |
| 21 | |
| 22 | namespace MediaWiki\Skins\Vector\FeatureManagement\Requirements; |
| 23 | |
| 24 | use MediaWiki\Request\WebRequest; |
| 25 | use MediaWiki\Skins\Vector\FeatureManagement\Requirement; |
| 26 | use MediaWiki\Title\Title; |
| 27 | use MediaWiki\User\Options\UserOptionsLookup; |
| 28 | use MediaWiki\User\UserIdentity; |
| 29 | |
| 30 | /** |
| 31 | * @package MediaWiki\Skins\Vector\FeatureManagement\Requirements |
| 32 | */ |
| 33 | final class UserPreferenceRequirement implements Requirement { |
| 34 | |
| 35 | private UserIdentity $user; |
| 36 | |
| 37 | private UserOptionsLookup $userOptionsLookup; |
| 38 | |
| 39 | private string $optionName; |
| 40 | |
| 41 | private string $requirementName; |
| 42 | |
| 43 | private ?Title $title; |
| 44 | |
| 45 | private OverrideableRequirementHelper $helper; |
| 46 | |
| 47 | /** |
| 48 | * This constructor accepts all dependencies needed to determine whether |
| 49 | * the overridable config is enabled for the current user and request. |
| 50 | * |
| 51 | * @param UserIdentity $user |
| 52 | * @param UserOptionsLookup $userOptionsLookup |
| 53 | * @param string $optionName The name of the user preference. |
| 54 | * @param string $requirementName The name of the requirement presented to FeatureManager. |
| 55 | * @param WebRequest $request |
| 56 | * @param Title|null $title |
| 57 | */ |
| 58 | public function __construct( |
| 59 | UserIdentity $user, |
| 60 | UserOptionsLookup $userOptionsLookup, |
| 61 | string $optionName, |
| 62 | string $requirementName, |
| 63 | WebRequest $request, |
| 64 | ?Title $title = null |
| 65 | ) { |
| 66 | $this->user = $user; |
| 67 | $this->userOptionsLookup = $userOptionsLookup; |
| 68 | $this->optionName = $optionName; |
| 69 | $this->requirementName = $requirementName; |
| 70 | $this->title = $title; |
| 71 | $this->helper = new OverrideableRequirementHelper( $request, $requirementName ); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * @inheritDoc |
| 76 | */ |
| 77 | public function getName(): string { |
| 78 | return $this->requirementName; |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Checks whether the user preference is enabled or not. Returns true if |
| 83 | * enabled AND title is not null. |
| 84 | * |
| 85 | * @internal |
| 86 | * |
| 87 | * @return bool |
| 88 | */ |
| 89 | public function isPreferenceEnabled(): bool { |
| 90 | $user = $this->user; |
| 91 | $userOptionsLookup = $this->userOptionsLookup; |
| 92 | $optionValue = $userOptionsLookup->getOption( |
| 93 | $user, |
| 94 | $this->optionName |
| 95 | ); |
| 96 | // Check for 0, '0' or 'disabled'. |
| 97 | // Any other value will be handled as enabled. |
| 98 | $isEnabled = $optionValue && $optionValue !== 'disabled'; |
| 99 | |
| 100 | return $this->title && $isEnabled; |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * @inheritDoc |
| 105 | */ |
| 106 | public function isMet(): bool { |
| 107 | $override = $this->helper->isMet(); |
| 108 | return $override ?? $this->isPreferenceEnabled(); |
| 109 | } |
| 110 | } |