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| 1 | <?php |
| 2 | |
| 3 | namespace ProofreadPage\Index; |
| 4 | |
| 5 | /** |
| 6 | * @license GPL-2.0-or-later |
| 7 | * |
| 8 | * Statistics on the proofreading quality of pages of an Index page |
| 9 | */ |
| 10 | class PagesQualityStats { |
| 11 | |
| 12 | /** @var int */ |
| 13 | private $numberOfPages; |
| 14 | |
| 15 | /** @var int[] */ |
| 16 | private $numberOfPagesByLevel; |
| 17 | |
| 18 | /** |
| 19 | * @param int $numberOfPages |
| 20 | * @param int[] $numberOfPagesByLevel |
| 21 | */ |
| 22 | public function __construct( int $numberOfPages, array $numberOfPagesByLevel ) { |
| 23 | $this->numberOfPages = $numberOfPages; |
| 24 | $this->numberOfPagesByLevel = $numberOfPagesByLevel; |
| 25 | } |
| 26 | |
| 27 | /** |
| 28 | * @param PagesQualityStats $other |
| 29 | * @return bool |
| 30 | */ |
| 31 | public function equals( PagesQualityStats $other ): bool { |
| 32 | return $this->numberOfPages == $other->numberOfPages && |
| 33 | $this->numberOfPagesByLevel == $other->numberOfPagesByLevel; |
| 34 | } |
| 35 | |
| 36 | /** |
| 37 | * @return int |
| 38 | */ |
| 39 | public function getNumberOfPages(): int { |
| 40 | return $this->numberOfPages; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * @param int $level |
| 45 | * @return int |
| 46 | */ |
| 47 | public function getNumberOfPagesForQualityLevel( int $level ): int { |
| 48 | if ( !array_key_exists( $level, $this->numberOfPagesByLevel ) ) { |
| 49 | return 0; |
| 50 | } |
| 51 | return $this->numberOfPagesByLevel[$level]; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * @return int |
| 56 | */ |
| 57 | public function getNumberOfPagesWithAnyQualityLevel(): int { |
| 58 | return array_sum( $this->numberOfPagesByLevel ); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * @return int |
| 63 | */ |
| 64 | public function getNumberOfPagesWithoutQualityLevel(): int { |
| 65 | return $this->numberOfPages - $this->getNumberOfPagesWithAnyQualityLevel(); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * @param int $oldLevel |
| 70 | * @param int $newLevel |
| 71 | * @return self |
| 72 | */ |
| 73 | public function withLevelChange( int $oldLevel, int $newLevel ): self { |
| 74 | $newNumberOfPagesByLevel = $this->numberOfPagesByLevel; |
| 75 | $newNumberOfPagesByLevel[$oldLevel]--; |
| 76 | $newNumberOfPagesByLevel[$newLevel]++; |
| 77 | return new PagesQualityStats( $this->numberOfPages, $newNumberOfPagesByLevel ); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * @param int $newLevel |
| 82 | * @return self |
| 83 | */ |
| 84 | public function withPageCreation( int $newLevel ): self { |
| 85 | $newNumberOfPagesByLevel = $this->numberOfPagesByLevel; |
| 86 | $newNumberOfPagesByLevel[$newLevel]++; |
| 87 | return new PagesQualityStats( $this->numberOfPages, $newNumberOfPagesByLevel ); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * @param int $oldLevel |
| 92 | * @return self |
| 93 | */ |
| 94 | public function withPageDeletion( int $oldLevel ): self { |
| 95 | $newNumberOfPagesByLevel = $this->numberOfPagesByLevel; |
| 96 | $newNumberOfPagesByLevel[$oldLevel]--; |
| 97 | return new PagesQualityStats( $this->numberOfPages, $newNumberOfPagesByLevel ); |
| 98 | } |
| 99 | } |