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<?php |
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/* |
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* This file is part of the Pinterest PHP library. |
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* |
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* (c) Hans Ott <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE.md. |
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* |
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* Source: https://github.com/hansott/pinterest-php |
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*/ |
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namespace Pinterest\Objects; |
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use InvalidArgumentException; |
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use Pinterest\Authentication; |
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/** |
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* This class represents a paged list. |
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* |
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* @author Hans Ott <[email protected]> |
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*/ |
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final class PagedList |
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{ |
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/** |
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* The paged list items. |
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* |
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* @var array |
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*/ |
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private $items; |
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/** |
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* The url for retrieving the next set of items. |
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* |
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* @var string |
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*/ |
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private $nextUrl; |
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/** |
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* Creates a new paged list. |
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* |
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* @param array $items The paged list items. |
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* @param string $nextUrl The url for retrieving the next set of items. |
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*/ |
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public function __construct(array $items = array(), $nextUrl = null) |
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{ |
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$this->guardThatTheseAreAllPinterestObjects($items); |
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$this->assertValidUri($nextUrl); |
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$this->items = $items; |
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$this->nextUrl = $nextUrl; |
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} |
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/** |
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* Returns the items. |
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* |
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* @return array The items. |
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*/ |
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public function items() |
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{ |
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return $this->items; |
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} |
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/** |
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* Returns whether the paged list has more items. |
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* |
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* @return bool Whether there are more items. |
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*/ |
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public function hasNext() |
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{ |
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return !empty($this->nextUrl); |
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} |
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/** |
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* Returns the url to get the next set of items. |
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* |
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* @return string The url to get the next set of items. |
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*/ |
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public function getNextUrl() |
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{ |
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return $this->nextUrl; |
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} |
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/** |
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* Checks if all items are pinterest objects. |
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* |
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* @param array $items |
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* |
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* @throws InvalidArgumentException |
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*/ |
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private function guardThatTheseAreAllPinterestObjects(array $items) |
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{ |
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foreach ($items as $item) { |
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if (! ($item instanceof BaseObject)) { |
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throw new InvalidArgumentException(sprintf( |
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'Expected "Pinterest\Objects\BaseObject" but instead got: "%s"', |
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is_object($item) ? get_class($item) : gettype($item) |
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)); |
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} |
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} |
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} |
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/** |
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* Checks if the next uri is valid. |
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* |
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* @throws InvalidArgumentException |
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* |
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* @param $nextUri |
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*/ |
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private function assertValidUri($nextUri) |
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{ |
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if ($nextUri === null) { |
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return; |
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} |
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if (strpos($nextUri, Authentication::BASE_URI) === false) { |
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throw new InvalidArgumentException( |
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'Not a pinterest api uri' |
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); |
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} |
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} |
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} |
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hansott /
pinterest-php
