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| 1 | <?php |
| 2 | |
| 3 | namespace FileImporter\Data; |
| 4 | |
| 5 | use FileImporter\Exceptions\InvalidArgumentException; |
| 6 | use MediaWiki\Revision\SlotRecord; |
| 7 | |
| 8 | /** |
| 9 | * This class represents a single revision of text, as recognized by MediaWiki. |
| 10 | * This data can all be retrieved from the API or the Database and can be used to copy |
| 11 | * the exact revision onto another site. |
| 12 | * |
| 13 | * @license GPL-2.0-or-later |
| 14 | * @author Addshore |
| 15 | */ |
| 16 | class TextRevision { |
| 17 | |
| 18 | private const ERROR_TEXT_FIELD_MISSING = 'textFieldMissing'; |
| 19 | |
| 20 | private const REQUIRED_FIELDS = [ |
| 21 | 'minor', |
| 22 | 'user', |
| 23 | 'timestamp', |
| 24 | 'comment', |
| 25 | 'slots', |
| 26 | 'title', |
| 27 | 'tags', |
| 28 | ]; |
| 29 | |
| 30 | /** |
| 31 | * @throws InvalidArgumentException if incorrect fields are entered |
| 32 | */ |
| 33 | public function __construct( |
| 34 | private readonly array $fields, |
| 35 | ) { |
| 36 | $this->throwExceptionIfMissingFields( $fields ); |
| 37 | } |
| 38 | |
| 39 | private function throwExceptionIfMissingFields( array $fields ): void { |
| 40 | $diff = array_diff_key( array_flip( self::REQUIRED_FIELDS ), $fields ); |
| 41 | if ( $diff !== [] ) { |
| 42 | throw new InvalidArgumentException( |
| 43 | __CLASS__ . ': Missing ' . key( $diff ) . ' field on construction', |
| 44 | self::ERROR_TEXT_FIELD_MISSING ); |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * @return mixed|null Null if the field isn't known |
| 50 | */ |
| 51 | public function getField( string $name ) { |
| 52 | return $this->fields[$name] ?? null; |
| 53 | } |
| 54 | |
| 55 | public function getContent(): string { |
| 56 | // Old, incomplete database entries result in slots with no content but marked as "missing" |
| 57 | // or "badcontentformat", {@see ApiQueryRevisionsBase::extractAllSlotInfo}. FileImporter's |
| 58 | // general philosophy is to be ok with missing text, but not with missing files. |
| 59 | return $this->fields['slots'][SlotRecord::MAIN]['content'] ?? ''; |
| 60 | } |
| 61 | |
| 62 | public function getContentFormat(): string { |
| 63 | // We know old, incomplete database entries can't be anything but wikitext |
| 64 | return $this->fields['slots'][SlotRecord::MAIN]['contentformat'] ?? CONTENT_FORMAT_WIKITEXT; |
| 65 | } |
| 66 | |
| 67 | public function getContentModel(): string { |
| 68 | // We know old, incomplete database entries can't be anything but wikitext |
| 69 | return $this->fields['slots'][SlotRecord::MAIN]['contentmodel'] ?? CONTENT_MODEL_WIKITEXT; |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * @internal for debugging only |
| 74 | */ |
| 75 | public function getFields(): array { |
| 76 | return $this->fields; |
| 77 | } |
| 78 | |
| 79 | } |