143 lines
3.2 KiB
PHP
143 lines
3.2 KiB
PHP
<?php defined('BLUDIT') or die('Bludit CMS.');
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/*
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Database structure
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- To re index the list of posts and pages need to be sorted
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{
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"videos": {
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"name": "Videos",
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"posts": [ "first-post", "second-post" ],
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"pages": [ "my-page", "second-page" ]
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},
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"pets": {
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"name": "Pets",
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"posts": [ "second-post", "bull-terrier" ],
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"pages": [ ]
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}
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}
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*/
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class dbCategories extends dbJSON
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{
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public $dbFields = array();
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function __construct()
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{
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parent::__construct(PATH_DATABASES.'categories.php');
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}
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private function getByCategory($type='posts', $categoryKey, $amountPerPage, $pageNumber)
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{
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// Check if the category exists
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if( !isset($this->db[$categoryKey]) ) {
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Log::set(__METHOD__.LOG_SEP.'Error getting '.$type.' by the category: '.$categoryKey);
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return array();
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}
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$list = $this->db[$categoryKey][$type];
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$init = (int) $amountPerPage * $pageNumber;
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$end = (int) min( ($init + $amountPerPage - 1), count($list) - 1 );
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$outrange = $init<0 ? true : $init > $end;
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if($outrange) {
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Log::set(__METHOD__.LOG_SEP.'Error getting '.$type.' by the category, out of range, pageNumber: '.$pageNumber);
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return array();
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}
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$tmp = array_flip($list);
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return array_slice($tmp, $init, $amountPerPage, true);
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}
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public function getPagesByCategory($categoryKey, $amountPerPage, $pageNumber)
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{
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return $this->getByCategory('pages', $categoryKey, $amountPerPage, $pageNumber);
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}
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public function getPostsByCategory($categoryKey, $amountPerPage, $pageNumber)
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{
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return $this->getByCategory('posts', $categoryKey, $amountPerPage, $pageNumber);
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}
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private function countByCategory($type='posts', $categoryKey)
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{
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if( isset($this->db[$categoryKey][$type]) ) {
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return count($this->db[$categoryKey][$type]);
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}
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return 0;
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}
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public function countPostsByCategory($categoryKey)
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{
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return $this->countByCategory('posts', $categoryKey);
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}
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public function countPagesByCategory($categoryKey)
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{
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return $this->countByCategory('pages', $categoryKey);
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}
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public function getAll()
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{
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$tmp = array();
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foreach($this->db as $key=>$data) {
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$tmp[$key] = $data['name'];
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}
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// Sort low to high, by value.
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natcasesort($tmp);
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return $tmp;
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}
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// Re-generate posts index
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// (array) $db, the $db must be sorted by date and the posts published only.
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public function reIndexPosts($db)
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{
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$index = array();
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// Foreach post in the database
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foreach($db as $postKey=>$postData) {
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if(!empty($postData['category'])) {
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$categoryKey = $postData['category'];
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array_push($index, $postKey);
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}
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}
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$this->db[$categoryKey]['posts'] = $index;
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if( $this->save() === false ) {
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to save the database file.');
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return false;
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}
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return true;
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}
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// Re-generate pages index
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// (array) $db, the $db must be sorted by date and the posts published only.
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public function reIndexPages($db)
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{
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$index = array();
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// Foreach post in the database
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foreach($db as $pageKey=>$pageData) {
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$categoryKey = $pageData['category'];
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array_push($index, $pageKey);
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}
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$this->db[$categoryKey]['pages'] = $index;
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if( $this->save() === false ) {
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to save the database file.');
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return false;
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}
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return true;
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}
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} |