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<?php namespace PKleindienst\BlogSearch\Components; |
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use Cms\Classes\ComponentBase; |
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use Cms\Classes\Page; |
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use Input; |
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use RainLab\Blog\Models\Category as BlogCategory; |
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use RainLab\Blog\Models\Post as BlogPost; |
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use Redirect; |
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use System\Models\Parameters; |
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/** |
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* Search Result component |
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* @see RainLab\Blog\Components\Posts |
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* @package PKleindienst\BlogSearch\Components |
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*/ |
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class SearchResult extends ComponentBase |
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{ |
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/** |
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* Parameter to use for the search |
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* @var string |
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*/ |
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public $searchParam; |
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/** |
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* The search term |
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* @var string |
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*/ |
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public $searchTerm; |
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/** |
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* A collection of posts to display |
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* @var Collection |
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*/ |
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public $posts; |
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/** |
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* Parameter to use for the page number |
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* @var string |
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*/ |
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public $pageParam; |
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/** |
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* Message to display when there are no messages. |
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* @var string |
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*/ |
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public $noPostsMessage; |
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/** |
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* Reference to the page name for linking to posts. |
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* @var string |
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*/ |
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public $postPage; |
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/** |
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* Reference to the page name for linking to categories. |
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* @var string |
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*/ |
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public $categoryPage; |
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/** |
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* @return array |
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*/ |
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public function componentDetails() |
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{ |
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return [ |
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'name' => 'Search Result', |
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'description' => 'Displays a list of blog posts that match the search term on the page.' |
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]; |
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} |
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/** |
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* @see RainLab\Blog\Components\Posts::defineProperties() |
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* @return array |
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*/ |
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public function defineProperties() |
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{ |
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// check build to add fallback to not supported inspector types if needed |
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$hasNewInspector = Parameters::get('system::core.build') >= 306; |
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return [ |
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'searchTerm' => [ |
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'title' => 'Search Term', |
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'description' => 'The value to determine what the user is searching for.', |
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'type' => 'string', |
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'default' => '{{ :search }}', |
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], |
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'pageNumber' => [ |
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'title' => 'rainlab.blog::lang.settings.posts_pagination', |
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'description' => 'rainlab.blog::lang.settings.posts_pagination_description', |
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'type' => 'string', |
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'default' => '{{ :page }}', |
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], |
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'disableUrlMapping' => [ |
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'title' => 'Disable URL Mapping', |
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'description' => 'If the url Mapping is disabled the search form uses the default GET Parameter q ' |
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. '(e.g. example.com/search?search=Foo instead of example.com/search/Foo)', |
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'type' => 'checkbox', |
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'default' => false, |
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'showExternalParam' => false |
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], |
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'hightlight' => [ |
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'title' => 'Hightlight Matches', |
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'type' => 'checkbox', |
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'default' => false, |
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'showExternalParam' => false |
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], |
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'postsPerPage' => [ |
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'title' => 'rainlab.blog::lang.settings.posts_per_page', |
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'type' => 'string', |
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'validationPattern' => '^[0-9]+$', |
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'validationMessage' => 'rainlab.blog::lang.settings.posts_per_page_validation', |
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'default' => '10', |
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], |
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'noPostsMessage' => [ |
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'title' => 'rainlab.blog::lang.settings.posts_no_posts', |
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'description' => 'rainlab.blog::lang.settings.posts_no_posts_description', |
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'type' => 'string', |
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'default' => 'No posts found', |
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'showExternalParam' => false |
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], |
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'sortOrder' => [ |
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'title' => 'rainlab.blog::lang.settings.posts_order', |
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'description' => 'rainlab.blog::lang.settings.posts_order_description', |
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'type' => 'dropdown', |
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'default' => 'published_at desc' |
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], |
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'includeCategories' => [ |
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'title' => 'Include Categories', |
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'description' => 'Only Posts with selected categories are included in the search result', |
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'type' => $hasNewInspector ? 'set' : 'dropdown', |
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'group' => 'Categories' |
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], |
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'excludeCategories' => [ |
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'title' => 'Exclude Categories', |
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'description' => 'Posts with selected categories are excluded from the search result', |
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'type' => $hasNewInspector ? 'set' : 'dropdown', |
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'group' => 'Categories' |
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], |
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'categoryPage' => [ |
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'title' => 'rainlab.blog::lang.settings.posts_category', |
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'description' => 'rainlab.blog::lang.settings.posts_category_description', |
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'type' => 'dropdown', |
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'default' => 'blog/category', |
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'group' => 'Links', |
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], |
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'postPage' => [ |
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'title' => 'rainlab.blog::lang.settings.posts_post', |
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'description' => 'rainlab.blog::lang.settings.posts_post_description', |
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'type' => 'dropdown', |
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'default' => 'blog/post', |
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'group' => 'Links', |
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], |
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]; |
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} |
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/** |
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* @return array |
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*/ |
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public function getIncludeCategoriesOptions() |
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{ |
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return BlogCategory::lists('name', 'id'); |
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} |
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/** |
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* @return array |
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*/ |
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public function getExcludeCategoriesOptions() |
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{ |
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return BlogCategory::lists('name', 'id'); |
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} |
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/** |
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* @see RainLab\Blog\Components\Posts::getCategoryPageOptions() |
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* @return mixed |
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*/ |
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public function getCategoryPageOptions() |
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{ |
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return Page::sortBy('baseFileName')->lists('baseFileName', 'baseFileName'); |
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} |
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/** |
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* @see RainLab\Blog\Components\Posts::getPostPageOptions() |
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* @return mixed |
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*/ |
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public function getPostPageOptions() |
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{ |
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return Page::sortBy('baseFileName')->lists('baseFileName', 'baseFileName'); |
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} |
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/** |
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* @see RainLab\Blog\Components\Posts::getSortOrderOptions() |
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* @return mixed |
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*/ |
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public function getSortOrderOptions() |
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{ |
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return BlogPost::$allowedSortingOptions; |
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} |
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/** |
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* @see RainLab\Blog\Components\Posts::onRun() |
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* @return mixed |
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*/ |
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public function onRun() |
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{ |
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$this->prepareVars(); |
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// map get request to :search param |
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$searchTerm = Input::get('search'); |
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if (!$this->property('disableUrlMapping') && \Request::isMethod('get') && $searchTerm) { |
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// add ?cats[] query string |
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$cats = Input::get('cat'); |
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$query = http_build_query(['cat' => $cats]); |
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$query = preg_replace('/%5B[0-9]+%5D/simU', '%5B%5D', $query); |
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$query = !empty($query) ? '?' . $query : ''; |
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return Redirect::to( |
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$this->currentPageUrl([ |
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$this->searchParam => urlencode($searchTerm) |
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]) |
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. $query |
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); |
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} |
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// load posts |
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$this->posts = $this->page[ 'posts' ] = $this->listPosts(); |
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/* |
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* If the page number is not valid, redirect |
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*/ |
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if ($pageNumberParam = $this->paramName('pageNumber')) { |
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$currentPage = $this->property('pageNumber'); |
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if ($currentPage > ($lastPage = $this->posts->lastPage()) && $currentPage > 1) { |
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return Redirect::to($this->currentPageUrl([$pageNumberParam => $lastPage])); |
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} |
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} |
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} |
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/** |
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* @see RainLab\Blog\Components\Posts::prepareVars() |
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*/ |
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protected function prepareVars() |
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{ |
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$this->pageParam = $this->page[ 'pageParam' ] = $this->paramName('pageNumber'); |
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$this->searchParam = $this->page[ 'searchParam' ] = $this->paramName('searchTerm'); |
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$this->searchTerm = $this->page[ 'searchTerm' ] = urldecode($this->property('searchTerm')); |
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$this->noPostsMessage = $this->page[ 'noPostsMessage' ] = $this->property('noPostsMessage'); |
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if ($this->property('disableUrlMapping')) { |
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$this->searchTerm = $this->page[ 'searchTerm' ] = urldecode(Input::get('search')); |
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} |
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/* |
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* Page links |
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*/ |
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$this->postPage = $this->page[ 'postPage' ] = $this->property('postPage'); |
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$this->categoryPage = $this->page[ 'categoryPage' ] = $this->property('categoryPage'); |
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} |
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/** |
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* @see RainLab\Blog\Components\Posts::prepareVars() |
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* @return mixed |
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*/ |
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protected function listPosts() |
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{ |
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// Filter posts |
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$posts = BlogPost::with([ |
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'categories' => function ($q) { |
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if (!is_null($this->property('excludeCategories'))) { |
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$q->whereNotIn('id', $this->property('excludeCategories')); |
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} |
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if (!is_null($this->property('includeCategories'))) { |
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$q->whereIn('id', $this->property('includeCategories')); |
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} |
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} |
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]) |
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->where(function ($q) { |
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$q->where('title', 'LIKE', "%{$this->searchTerm}%") |
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->orWhere('content', 'LIKE', "%{$this->searchTerm}%") |
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->orWhere('excerpt', 'LIKE', "%{$this->searchTerm}%"); |
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}); |
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// filter categories |
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$cat = Input::get('cat'); |
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if ($cat) { |
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$cat = is_array($cat) ? $cat : [$cat]; |
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$posts->filterCategories($cat); |
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} |
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// get posts in excluded category |
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$blockedPosts = $this->getPostIdsByCategories($this->property('excludeCategories')); |
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if (!empty($blockedPosts)) { |
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$posts = $posts->whereNotIn('id', $blockedPosts); |
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} |
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// get only posts from included categories |
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$allowedPosts = $this->getPostIdsByCategories($this->property('includeCategories')); |
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if (!empty($allowedPosts)) { |
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$posts = $posts->whereIn('id', $allowedPosts); |
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} |
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// List all the posts that match search terms, eager load their categories |
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$posts = $posts->listFrontEnd([ |
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'page' => $this->property('pageNumber'), |
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'sort' => $this->property('sortOrder'), |
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'perPage' => $this->property('postsPerPage'), |
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]); |
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/* |
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* Add a "url" helper attribute for linking to each post and category |
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*/ |
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$posts->each(function ($post) { |
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$post->setUrl($this->postPage, $this->controller); |
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$post->categories->each(function ($category) { |
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$category->setUrl($this->categoryPage, $this->controller); |
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}); |
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// apply highlight of search result |
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$this->highlight($post); |
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}); |
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return $posts; |
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} |
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/** |
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* Get the posts ids of posts with belong to specific categories |
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|
* @param mixed $ids |
|
329
|
|
|
* @return array |
|
330
|
|
|
*/ |
|
331
|
|
|
protected function getPostIdsByCategories($ids = null) |
|
332
|
|
|
{ |
|
333
|
|
|
if (is_null($ids) || !is_array($ids)) { |
|
334
|
|
|
return []; |
|
335
|
|
|
} |
|
336
|
|
|
|
|
337
|
|
|
$posts = []; |
|
338
|
|
|
$categories = BlogCategory::with(['posts' => function ($q) { |
|
339
|
|
|
$q->select('post_id'); |
|
340
|
|
|
}]) |
|
341
|
|
|
->whereIn('id', $ids) |
|
342
|
|
|
->get(); |
|
343
|
|
|
|
|
344
|
|
|
$categories->each(function ($item) use (&$posts) { |
|
345
|
|
|
$item->posts->each(function ($item) use (&$posts) { |
|
346
|
|
|
$posts[] = $item->post_id; |
|
347
|
|
|
}); |
|
348
|
|
|
}); |
|
349
|
|
|
|
|
350
|
|
|
return $posts; |
|
351
|
|
|
} |
|
352
|
|
|
|
|
353
|
|
|
/** |
|
354
|
|
|
* @param \RainLab\Blog\Models\Post $post |
|
355
|
|
|
*/ |
|
356
|
|
|
protected function highlight(BlogPost $post) |
|
357
|
|
|
{ |
|
358
|
|
|
if ($this->property('hightlight')) { |
|
359
|
|
|
$searchTerm = preg_quote($this->searchTerm, '|'); |
|
360
|
|
|
|
|
361
|
|
|
// apply highlight |
|
362
|
|
|
$post->title = preg_replace('|(' . $searchTerm . ')|i', '<mark>$1</mark>', $post->title); |
|
363
|
|
|
$post->excerpt = preg_replace('|(' . $searchTerm . ')|i', '<mark>$1</mark>', $post->excerpt); |
|
364
|
|
|
|
|
365
|
|
|
$post->content_html = preg_replace( |
|
366
|
|
|
'~(?![^<>]*>)(' . $searchTerm . ')~ism', |
|
367
|
|
|
'<mark>$1</mark>', |
|
368
|
|
|
$post->content_html |
|
369
|
|
|
); |
|
370
|
|
|
} |
|
371
|
|
|
} |
|
372
|
|
|
} |
|
373
|
|
|
|