hhm_backend_03_2023/plugins/pkleindienst/blogsearch/components/SearchResult.php

341 lines
11 KiB
PHP

<?php namespace PKleindienst\BlogSearch\Components;
use Cms\Classes\ComponentBase;
use Cms\Classes\Page;
use Input;
use RainLab\Blog\Models\Category as BlogCategory;
use RainLab\Blog\Models\Post as BlogPost;
use Redirect;
// use System\Models\Parameters;
/**
* Search Result component
* @see RainLab\Blog\Components\Posts
* @package PKleindienst\BlogSearch\Components
*/
class SearchResult extends ComponentBase
{
/**
* Parameter to use for the search
* @var string
*/
public $searchParam;
/**
* The search term
* @var string
*/
public $searchTerm;
/**
* A collection of posts to display
* @var Collection
*/
public $posts;
/**
* Parameter to use for the page number
* @var string
*/
public $pageParam;
/**
* Message to display when there are no messages.
* @var string
*/
public $noPostsMessage;
/**
* Reference to the page name for linking to posts.
* @var string
*/
public $postPage;
/**
* Reference to the page name for linking to categories.
* @var string
*/
public $categoryPage;
/**
* @return array
*/
public function componentDetails()
{
return [
'name' => 'Search Result',
'description' => 'Displays a list of blog posts that match the search term on the page.'
];
}
/**
* @see RainLab\Blog\Components\Posts::defineProperties()
* @return array
*/
public function defineProperties()
{
// check build to add fallback to not supported inspector types if needed
// $hasNewInspector = Parameters::get('system::core.build') >= 306;
$categoryItems = BlogCategory::lists('name', 'id');
return [
'searchTerm' => [
'title' => 'Search Term',
'description' => 'The value to determine what the user is searching for.',
'type' => 'string',
'default' => '{{ :search }}',
],
'pageNumber' => [
'title' => 'rainlab.blog::lang.settings.posts_pagination',
'description' => 'rainlab.blog::lang.settings.posts_pagination_description',
'type' => 'string',
'default' => '{{ :page }}',
],
'disableUrlMapping' => [
'title' => 'Disable URL Mapping',
'description' => 'If the url Mapping is disabled the search form uses the default GET Parameter q '
. '(e.g. example.com/search?search=Foo instead of example.com/search/Foo)',
'type' => 'checkbox',
'default' => false,
'showExternalParam' => false
],
'hightlight' => [
'title' => 'Hightlight Matches',
'type' => 'checkbox',
'default' => false,
'showExternalParam' => false
],
'postsPerPage' => [
'title' => 'rainlab.blog::lang.settings.posts_per_page',
'type' => 'string',
'validationPattern' => '^[0-9]+$',
'validationMessage' => 'rainlab.blog::lang.settings.posts_per_page_validation',
'default' => '10',
],
'noPostsMessage' => [
'title' => 'rainlab.blog::lang.settings.posts_no_posts',
'description' => 'rainlab.blog::lang.settings.posts_no_posts_description',
'type' => 'string',
'default' => 'No posts found',
'showExternalParam' => false
],
'sortOrder' => [
'title' => 'rainlab.blog::lang.settings.posts_order',
'description' => 'rainlab.blog::lang.settings.posts_order_description',
'type' => 'dropdown',
'default' => 'published_at desc'
],
'includeCategories' => [
'title' => 'Include Categories',
'description' => 'Only Posts with selected categories are included in the search result',
// 'type' => $hasNewInspector ? 'set' : 'dropdown',
'type' => 'set',
'items' => $categoryItems,
'group' => 'Categories'
],
'excludeCategories' => [
'title' => 'Exclude Categories',
'description' => 'Posts with selected categories are excluded from the search result',
// 'type' => $hasNewInspector ? 'set' : 'dropdown',
'type' => 'set',
'items' => $categoryItems,
'group' => 'Categories'
],
'categoryPage' => [
'title' => 'rainlab.blog::lang.settings.posts_category',
'description' => 'rainlab.blog::lang.settings.posts_category_description',
'type' => 'dropdown',
'default' => 'blog/category',
'group' => 'Links',
],
'postPage' => [
'title' => 'rainlab.blog::lang.settings.posts_post',
'description' => 'rainlab.blog::lang.settings.posts_post_description',
'type' => 'dropdown',
'default' => 'blog/post',
'group' => 'Links',
],
];
}
/**
* @return array
*/
public function getIncludeCategoriesOptions()
{
return BlogCategory::lists('name', 'id');
}
/**
* @return array
*/
public function getExcludeCategoriesOptions()
{
return BlogCategory::lists('name', 'id');
}
/**
* @see RainLab\Blog\Components\Posts::getCategoryPageOptions()
* @return mixed
*/
public function getCategoryPageOptions()
{
return Page::sortBy('baseFileName')->lists('baseFileName', 'baseFileName');
}
/**
* @see RainLab\Blog\Components\Posts::getPostPageOptions()
* @return mixed
*/
public function getPostPageOptions()
{
return Page::sortBy('baseFileName')->lists('baseFileName', 'baseFileName');
}
/**
* @see RainLab\Blog\Components\Posts::getSortOrderOptions()
* @return mixed
*/
public function getSortOrderOptions()
{
return BlogPost::$allowedSortingOptions;
}
/**
* @see RainLab\Blog\Components\Posts::onRun()
* @return mixed
*/
public function onRun()
{
$this->prepareVars();
// map get request to :search param
$searchTerm = Input::get('search');
if (!$this->property('disableUrlMapping') && \Request::isMethod('get') && $searchTerm) {
// add ?cats[] query string
$cats = Input::get('cat');
$query = http_build_query(['cat' => $cats]);
$query = preg_replace('/%5B[0-9]+%5D/simU', '%5B%5D', $query);
$query = !empty($query) ? '?' . $query : '';
return Redirect::to(
$this->currentPageUrl([
$this->searchParam => urlencode($searchTerm)
])
. $query
);
}
// load posts
$this->posts = $this->page[ 'posts' ] = $this->listPosts();
/*
* If the page number is not valid, redirect
*/
if ($pageNumberParam = $this->paramName('pageNumber')) {
$currentPage = $this->property('pageNumber');
if ($currentPage > ($lastPage = $this->posts->lastPage()) && $currentPage > 1) {
return Redirect::to($this->currentPageUrl([$pageNumberParam => $lastPage]));
}
}
}
/**
* @see RainLab\Blog\Components\Posts::prepareVars()
*/
protected function prepareVars()
{
$this->pageParam = $this->page[ 'pageParam' ] = $this->paramName('pageNumber');
$this->searchParam = $this->page[ 'searchParam' ] = $this->paramName('searchTerm');
$this->searchTerm = $this->page[ 'searchTerm' ] = urldecode($this->property('searchTerm'));
$this->noPostsMessage = $this->page[ 'noPostsMessage' ] = $this->property('noPostsMessage');
if ($this->property('disableUrlMapping')) {
$this->searchTerm = $this->page[ 'searchTerm' ] = urldecode(Input::get('search'));
}
/*
* Page links
*/
$this->postPage = $this->page[ 'postPage' ] = $this->property('postPage');
$this->categoryPage = $this->page[ 'categoryPage' ] = $this->property('categoryPage');
}
/**
* @see RainLab\Blog\Components\Posts::prepareVars()
* @return mixed
*/
protected function listPosts()
{
// Filter posts
$posts = BlogPost::where(function ($q) {
$q->where('title', 'LIKE', "%{$this->searchTerm}%")
->orWhere('content', 'LIKE', "%{$this->searchTerm}%")
->orWhere('excerpt', 'LIKE', "%{$this->searchTerm}%");
});
if (!is_null($this->property('includeCategories'))) {
$posts = $posts->whereHas('categories', function ($q) {
$q->whereIn('id', $this->property('includeCategories'));
});
}
if (!is_null($this->property('excludeCategories'))) {
$posts = $posts->whereDoesntHave('categories', function ($q) {
$q->whereIn('id', $this->property('excludeCategories'));
});
}
// filter categories
$cat = Input::get('cat');
if ($cat) {
$cat = is_array($cat) ? $cat : [$cat];
$posts->filterCategories($cat);
}
// List all the posts that match search terms, eager load their categories
$posts = $posts->listFrontEnd([
'page' => $this->property('pageNumber'),
'sort' => $this->property('sortOrder'),
'perPage' => $this->property('postsPerPage'),
]);
/*
* Add a "url" helper attribute for linking to each post and category
*/
$posts->each(function ($post) {
$post->setUrl($this->postPage, $this->controller);
$post->categories->each(function ($category) {
$category->setUrl($this->categoryPage, $this->controller);
});
// apply highlight of search result
$this->highlight($post);
});
return $posts;
}
/**
* @param \RainLab\Blog\Models\Post $post
*/
protected function highlight(BlogPost $post)
{
if ($this->property('hightlight')) {
$searchTerm = preg_quote($this->searchTerm, '|');
// apply highlight
$post->title = preg_replace('|(' . $searchTerm . ')|iu', '<mark>$1</mark>', $post->title);
$post->excerpt = preg_replace('|(' . $searchTerm . ')|iu', '<mark>$1</mark>', $post->excerpt);
$post->content_html = preg_replace(
'~(?![^<>]*>)(' . $searchTerm . ')~ismu',
'<mark>$1</mark>',
$post->content_html
);
}
}
}