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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | namespace MediaWiki\EditPage\Constraint; |
| 22 | |
| 23 | use MediaWiki\Title\Title; |
| 24 | use StatusValue; |
| 25 | |
| 26 | /** |
| 27 | * Don't save a new page if it's blank or if it's a MediaWiki: |
| 28 | * message with content equivalent to default (allow empty pages |
| 29 | * in this case to disable messages, see T52124) |
| 30 | * |
| 31 | * @since 1.36 |
| 32 | * @internal |
| 33 | * @author DannyS712 |
| 34 | */ |
| 35 | class DefaultTextConstraint implements IEditConstraint { |
| 36 | |
| 37 | /** @var Title */ |
| 38 | private $title; |
| 39 | |
| 40 | /** @var bool */ |
| 41 | private $allowBlank; |
| 42 | |
| 43 | /** @var string */ |
| 44 | private $userProvidedText; |
| 45 | |
| 46 | /** @var string|null */ |
| 47 | private $result; |
| 48 | |
| 49 | /** |
| 50 | * @param Title $title |
| 51 | * @param bool $allowBlank |
| 52 | * @param string $userProvidedText |
| 53 | */ |
| 54 | public function __construct( |
| 55 | Title $title, |
| 56 | bool $allowBlank, |
| 57 | string $userProvidedText |
| 58 | ) { |
| 59 | $this->title = $title; |
| 60 | $this->allowBlank = $allowBlank; |
| 61 | $this->userProvidedText = $userProvidedText; |
| 62 | } |
| 63 | |
| 64 | public function checkConstraint(): string { |
| 65 | $defaultMessageText = $this->title->getDefaultMessageText(); |
| 66 | if ( $this->title->getNamespace() === NS_MEDIAWIKI && $defaultMessageText !== false ) { |
| 67 | $defaultText = $defaultMessageText; |
| 68 | } else { |
| 69 | $defaultText = ''; |
| 70 | } |
| 71 | |
| 72 | if ( !$this->allowBlank && $this->userProvidedText === $defaultText ) { |
| 73 | $this->result = self::CONSTRAINT_FAILED; |
| 74 | } else { |
| 75 | $this->result = self::CONSTRAINT_PASSED; |
| 76 | } |
| 77 | return $this->result; |
| 78 | } |
| 79 | |
| 80 | public function getLegacyStatus(): StatusValue { |
| 81 | $statusValue = StatusValue::newGood(); |
| 82 | if ( $this->result === self::CONSTRAINT_FAILED ) { |
| 83 | $statusValue->fatal( 'blankarticle' ); |
| 84 | $statusValue->setResult( false, self::AS_BLANK_ARTICLE ); |
| 85 | } |
| 86 | return $statusValue; |
| 87 | } |
| 88 | |
| 89 | } |