fluent-community / vendor / wpfluent / framework / src / WPFluent / Pagination / Paginator.php

Paginator.php in FluentCommunity – Ultra-Fast High-Performance Social Network, Community, LMS & Online Courses 2.11.0, at vendor/wpfluent/framework/src/WPFluent/Pagination/Paginator.php

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1	<?php
2
3	namespace FluentCommunity\Framework\Pagination;
4
5	use Countable;
6	use ArrayAccess;
7	use JsonSerializable;
8	use IteratorAggregate;
9	use FluentCommunity\Framework\Support\Collection;
10	use FluentCommunity\Framework\Support\JsonableInterface;
11	use FluentCommunity\Framework\Support\ArrayableInterface;
12	use FluentCommunity\Framework\Pagination\PaginatorInterface;
13
14	class Paginator extends AbstractPaginator implements ArrayableInterface, ArrayAccess, Countable, IteratorAggregate, JsonSerializable, JsonableInterface, PaginatorInterface
15	{
16	/**
17	* Determine if there are more items in the data source.
18	*
19	* @return bool
20	*/
21	protected $hasMore;
22
23	/**
24	* Create a new paginator instance.
25	*
26	* @param mixed $items
27	* @param int $perPage
28	* @param int\|null $currentPage
29	* @param array $options (path, query, fragment, pageName)
30	* @return void
31	*/
32	public function __construct($items, $perPage, $currentPage = null, array $options = [])
33	{
34	$this->options = $options;
35
36	foreach ($options as $key => $value) {
37	$this->{$key} = $value;
38	}
39
40	$this->perPage = $perPage;
41	$this->currentPage = $this->setCurrentPage($currentPage);
42	$this->path = $this->path !== '/' ? rtrim($this->path, '/') : $this->path;
43
44	$this->setItems($items);
45	}
46
47	/**
48	* Get the current page for the request.
49	*
50	* @param int $currentPage
51	* @return int
52	*/
53	protected function setCurrentPage($currentPage)
54	{
55	$currentPage = $currentPage ?: static::resolveCurrentPage();
56
57	return $this->isValidPageNumber($currentPage) ? (int) $currentPage : 1;
58	}
59
60	/**
61	* Set the items for the paginator.
62	*
63	* @param mixed $items
64	* @return void
65	*/
66	protected function setItems($items)
67	{
68	$this->items = $items instanceof Collection ? $items : Collection::make($items);
69
70	$this->hasMore = $this->items->count() > $this->perPage;
71
72	$this->items = $this->items->slice(0, $this->perPage);
73	}
74
75	/**
76	* Get the URL for the next page.
77	*
78	* @return string\|null
79	*/
80	public function nextPageUrl()
81	{
82	if ($this->hasMorePages()) {
83	return $this->url($this->currentPage() + 1);
84	}
85	}
86
87	/**
88	* Manually indicate that the paginator does have more pages.
89	*
90	* @param bool $hasMore
91	* @return $this
92	*/
93	public function hasMorePagesWhen($hasMore = true)
94	{
95	$this->hasMore = $hasMore;
96
97	return $this;
98	}
99
100	/**
101	* Determine if there are more items in the data source.
102	*
103	* @return bool
104	*/
105	public function hasMorePages()
106	{
107	return $this->hasMore;
108	}
109
110	/**
111	* Get the instance as an array.
112	*
113	* @return array
114	*/
115	public function toArray()
116	{
117	return [
118	'current_page' => $this->currentPage(),
119	'data' => $this->items->toArray(),
120	'first_page_url' => $this->url(1),
121	'from' => $this->firstItem(),
122	'next_page_url' => $this->nextPageUrl(),
123	'path' => $this->path(),
124	'per_page' => $this->perPage(),
125	'prev_page_url' => $this->previousPageUrl(),
126	'to' => $this->lastItem(),
127	];
128	}
129
130	/**
131	* Convert the object into something JSON serializable.
132	*
133	* @return array
134	*/
135	#[\ReturnTypeWillChange]
136	public function jsonSerialize()
137	{
138	return $this->toArray();
139	}
140
141	/**
142	* Convert the object to its JSON representation.
143	*
144	* @param int $options
145	* @return string
146	*/
147	public function toJson($options = 0)
148	{
149	return json_encode($this->jsonSerialize(), $options);
150	}
151	}
152