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Bastian Allgeier
2019-01-13 23:17:34 +01:00
commit 01277f79f2
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kirby/src/Cms/Pages.php Executable file
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<?php
namespace Kirby\Cms;
/**
* The Pages collection contains
* any number and mixture of page objects
* They don't necessarily have to belong
* to the same parent unless it is passed
* as second argument in the constructor.
*
* Pages collection can be constructed very
* easily:
*
* ```php
* $collection = new Pages([
* new Page(['id' => 'project-a']),
* new Page(['id' => 'project-b']),
* new Page(['id' => 'project-c']),
* ]);
* ```
*
* @package Kirby Cms
* @author Bastian Allgeier <bastian@getkirby.com>
* @link http://getkirby.com
* @copyright Bastian Allgeier
*/
class Pages extends Collection
{
/**
* Cache for the index
*
* @var null|Pages
*/
protected $index = null;
/**
* All registered pages methods
*
* @var array
*/
public static $methods = [];
/**
* Adds a single page or
* an entire second collection to the
* current collection
*
* @param mixed $item
* @return Pages
*/
public function add($object)
{
// add a page collection
if (is_a($object, static::class) === true) {
$this->data = array_merge($this->data, $object->data);
// add a page by id
} elseif (is_string($object) === true && $page = page($object)) {
$this->__set($page->id(), $page);
// add a page object
} elseif (is_a($object, Page::class) === true) {
$this->__set($object->id(), $object);
}
return $this;
}
/**
* Returns all audio files of all children
*
* @return Files
*/
public function audio(): Files
{
return $this->files()->filterBy("type", "audio");
}
/**
* Returns all children for each page in the array
*
* @return Pages
*/
public function children(): Pages
{
$children = new Pages([], $this->parent);
foreach ($this->data as $pageKey => $page) {
foreach ($page->children() as $childKey => $child) {
$children->data[$childKey] = $child;
}
}
return $children;
}
/**
* Returns all code files of all children
*
* @return Files
*/
public function code(): Files
{
return $this->files()->filterBy("type", "code");
}
/**
* Returns all documents of all children
*
* @return Files
*/
public function documents(): Files
{
return $this->files()->filterBy("type", "document");
}
/**
* Fetch all drafts for all pages in the collection
*
* @return Pages
*/
public function drafts()
{
$drafts = new Pages([], $this->parent);
foreach ($this->data as $pageKey => $page) {
foreach ($page->drafts() as $draftKey => $draft) {
$drafts->data[$draftKey] = $draft;
}
}
return $drafts;
}
/**
* Creates a pages collection from an array of props
*
* @param array $pages
* @param Model $parent
* @param array $inject
* @param bool $draft
* @return Pages
*/
public static function factory(array $pages, Model $model = null, bool $draft = false)
{
$model = $model ?? App::instance()->site();
$children = new static([], $model);
$kirby = $model->kirby();
if (is_a($model, 'Kirby\Cms\Page') === true) {
$parent = $model;
$site = $model->site();
} else {
$parent = null;
$site = $model;
}
foreach ($pages as $props) {
$props['kirby'] = $kirby;
$props['parent'] = $parent;
$props['site'] = $site;
$props['isDraft'] = $draft;
$page = Page::factory($props);
$children->data[$page->id()] = $page;
}
return $children;
}
/**
* Returns all files of all children
*
* @return Files
*/
public function files(): Files
{
$files = new Files([], $this->parent);
foreach ($this->data as $pageKey => $page) {
foreach ($page->files() as $fileKey => $file) {
$files->data[$fileKey] = $file;
}
}
return $files;
}
/**
* Finds a page in the collection by id.
* This works recursively for children and
* children of children, etc.
*
* @param string $id
* @return mixed
*/
public function findById($id)
{
$id = trim($id, '/');
$page = $this->get($id);
$multiLang = App::instance()->multilang();
if ($multiLang === true) {
$page = $this->findBy('slug', $id);
}
if (!$page) {
$start = is_a($this->parent, 'Kirby\Cms\Page') === true ? $this->parent->id() : '';
$page = $this->findByIdRecursive($id, $start, $multiLang);
}
return $page;
}
/**
* Finds a child or child of a child recursively.
*
* @param string $id
* @param string $startAt
* @return mixed
*/
public function findByIdRecursive($id, $startAt = null, bool $multiLang = false)
{
$path = explode('/', $id);
$collection = $this;
$item = null;
$query = $startAt;
foreach ($path as $key) {
$query = ltrim($query . '/' . $key, '/');
$item = $collection->get($query) ?? null;
if ($item === null && $multiLang === true) {
$item = $collection->findBy('slug', $key);
}
if ($item === null) {
return null;
}
$collection = $item->children();
}
return $item;
}
/**
* Uses the specialized find by id method
*
* @param string $key
* @return mixed
*/
public function findByKey($key)
{
return $this->findById($key);
}
/**
* Alias for Pages::findById
*
* @param string $id
* @return Page|null
*/
public function findByUri(string $id)
{
return $this->findById($id);
}
/**
* Finds the currently open page
*
* @return Page|null
*/
public function findOpen()
{
return $this->findBy('isOpen', true);
}
/**
* Custom getter that is able to find
* extension pages
*
* @param string $key
* @return Page|null
*/
public function get($key, $default = null)
{
if ($key === null) {
return null;
}
if ($item = parent::get($key)) {
return $item;
}
return App::instance()->extension('pages', $key);
}
/**
* Returns all images of all children
*
* @return Files
*/
public function images(): Files
{
return $this->files()->filterBy("type", "image");
}
/**
* Create a recursive flat index of all
* pages and subpages, etc.
*
* @param bool $drafts
* @return Pages
*/
public function index(bool $drafts = false): Pages
{
if (is_a($this->index, 'Kirby\Cms\Pages') === true) {
return $this->index;
}
$this->index = new Pages([], $this->parent);
foreach ($this->data as $pageKey => $page) {
$this->index->data[$pageKey] = $page;
foreach ($page->index($drafts) as $childKey => $child) {
$this->index->data[$childKey] = $child;
}
}
return $this->index;
}
/**
* Deprecated alias for Pages::unlisted()
*
* @return self
*/
public function invisible(): self
{
return $this->filterBy('isUnlisted', '==', true);
}
/**
* Returns all listed pages in the collection
*
* @return self
*/
public function listed(): self
{
return $this->filterBy('isListed', '==', true);
}
/**
* Returns all unlisted pages in the collection
*
* @return self
*/
public function unlisted(): self
{
return $this->filterBy('isUnlisted', '==', true);
}
/**
* Include all given items in the collection
*
* @return self
*/
public function merge(...$args): self
{
// merge multiple arguments at once
if (count($args) > 1) {
$collection = clone $this;
foreach ($args as $arg) {
$collection = $collection->merge($arg);
}
return $collection;
}
// merge all parent drafts
if ($args[0] === 'drafts') {
if ($parent = $this->parent()) {
return $this->merge($parent->drafts());
}
return $this;
}
// merge an entire collection
if (is_a($args[0], static::class) === true) {
$collection = clone $this;
$collection->data = array_merge($collection->data, $args[0]->data);
return $collection;
}
// append a single page
if (is_a($args[0], 'Kirby\Cms\Page') === true) {
$collection = clone $this;
return $collection->set($args[0]->id(), $args[0]);
}
// merge an array
if (is_array($args[0]) === true) {
$collection = clone $this;
foreach ($args[0] as $arg) {
$collection = $collection->merge($arg);
}
return $collection;
}
if (is_string($args[0]) === true) {
return $this->merge(App::instance()->site()->find($args[0]));
}
return $this;
}
/**
* Returns an array with all page numbers
*
* @return array
*/
public function nums(): array
{
return $this->pluck('num');
}
/*
* Returns all listed and unlisted pages in the collection
*
* @return self
*/
public function published(): self
{
return $this->filterBy('isDraft', '==', false);
}
/**
* Filter all pages by the given template
*
* @param null|string|array $template
* @return self
*/
public function template($templates): self
{
if (empty($templates) === true) {
return $this;
}
if (is_array($templates) === false) {
$templates = [$templates];
}
return $this->filter(function ($page) use ($templates) {
return in_array($page->intendedTemplate()->name(), $templates);
});
}
/**
* Returns all video files of all children
*
* @return Files
*/
public function videos(): Files
{
return $this->files()->filterBy("type", "video");
}
/**
* Deprecated alias for Pages::listed()
*
* @return self
*/
public function visible(): self
{
return $this->filterBy('isListed', '==', true);
}
}