| 1 | <?php |
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| 5 | class EventStreamFeedLink |
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| 6 | { |
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| 7 | const LINK_SELF = 'self'; |
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| 8 | const LINK_FIRST = 'first'; |
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| 9 | const LINK_LAST = 'last'; |
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| 10 | const LINK_PREVIOUS = 'previous'; |
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| 11 | const LINK_NEXT = 'next'; |
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| 12 | const LINK_METADATA = 'metadata'; |
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| 13 | |||
| 14 | /** |
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| 15 | * @var array |
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| 16 | */ |
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| 17 | private $validRelations = [self::LINK_SELF, self::LINK_FIRST, self::LINK_LAST, self::LINK_PREVIOUS, self::LINK_NEXT, self::LINK_METADATA]; |
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| 18 | |||
| 19 | /** |
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| 20 | * @var string |
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| 21 | */ |
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| 22 | private $uri; |
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| 23 | |||
| 24 | /** |
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| 25 | * @var string |
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| 26 | */ |
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| 27 | private $relation; |
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| 28 | |||
| 29 | /** |
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| 30 | * @param string $uri |
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| 31 | * @param string $relation |
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| 32 | */ |
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| 33 | public function __construct(string $uri, string $relation) |
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| 34 | { |
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| 35 | if (!in_array($relation, $this->validRelations)) { |
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| 36 | throw new \InvalidArgumentException(sprintf('Invalid link relation %s.', $relation)); |
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| 37 | } |
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| 38 | $this->uri = $uri; |
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| 39 | $this->relation = $relation; |
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| 40 | } |
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| 41 | |||
| 42 | /** |
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| 43 | * @return string |
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| 44 | */ |
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| 45 | public function getUri(): string |
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| 49 | |||
| 50 | /** |
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| 51 | * @return string |
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| 52 | */ |
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| 53 | public function getRelation(): string |
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| 57 | } |
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| 58 |