182 lines
4.1 KiB
PHP
182 lines
4.1 KiB
PHP
<?php defined('BLUDIT') or die('Bludit CMS.');
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/*
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Database structure
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{
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"videos": {
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"name": "Videos",
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"template: "",
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"description: "",
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"list": [ "my-page", "second-page" ]
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},
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"pets": {
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"name": "Pets",
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"template: "",
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"description: "",
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"list": [ "cats-and-dogs" ]
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}
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}
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*/
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class dbList extends dbJSON
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{
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public $db = array();
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function __construct($file)
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{
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parent::__construct($file);
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}
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// Returns the list of keys filter by pageNumber
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public function getList($key, $pageNumber, $amountOfItems)
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{
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if (!isset($this->db[$key])) {
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Log::set(__METHOD__.LOG_SEP.'Error key does not exist '.$key);
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return false;
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}
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// List of keys
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$list = $this->db[$key]['list'];
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// Returns all the items from the list
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if ($amountOfItems==-1) {
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// Invert keys to values, is necesary returns as key the key pages
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$list = array_flip($list);
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return $list;
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}
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// The first page number is 1, so the real is 0
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$realPageNumber = $pageNumber - 1;
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$chunks = array_chunk($list, $amountOfItems);
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if (isset($chunks[$realPageNumber])) {
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return $chunks[$realPageNumber];
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}
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// Out of index,returns FALSE
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return false;
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}
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public function generateKey($name)
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{
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$key = Text::cleanUrl($name);
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while (isset($this->db[$key])) {
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$key++;
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}
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return $key;
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}
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// Add a new item to the dblist
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// $args => 'name', 'template', 'description', list'
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public function add($args)
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{
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$key = $this->generateKey($args['name']);
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$this->db[$key]['name'] = $args['name'];
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$this->db[$key]['template'] = isset($args['template'])?$args['template']:'';
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$this->db[$key]['description'] = isset($args['description'])?$args['description']:'';
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$this->db[$key]['list'] = isset($args['list'])?$args['list']:array();
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$this->sortAlphanumeric();
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$this->save();
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return $key;
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}
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public function remove($key)
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{
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if (!isset($this->db[$key])) {
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Log::set(__METHOD__.LOG_SEP.'The key does not exist, key: '.$key);
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return false;
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}
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unset($this->db[$key]);
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return $this->save();
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}
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// Edit an item to the dblist
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// $args => 'name', 'oldkey', 'newKey', 'template', 'description'
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public function edit($args)
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{
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if ( isset($this->db[$args['newKey']]) && ($args['newKey']!==$args['oldKey']) ) {
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Log::set(__METHOD__.LOG_SEP.'The new key already exists. Key: '.$args['newKey'], LOG_TYPE_WARN);
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return false;
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}
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$this->db[$args['newKey']]['name'] = $args['name'];
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$this->db[$args['newKey']]['template'] = isset($args['template'])?$args['template']:'';
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$this->db[$args['newKey']]['description'] = isset($args['description'])?$args['description']:'';
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$this->db[$args['newKey']]['list'] = $this->db[$args['oldKey']]['list'];
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// Remove the old category
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if ($args['oldKey'] !== $args['newKey']) {
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unset( $this->db[$args['oldKey']] );
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}
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$this->sortAlphanumeric();
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$this->save();
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return $args['newKey'];
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}
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// Sort the categories by "Natural order"
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private function sortAlphanumeric()
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{
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// Sort key alphanumeric strings, a01, a10, b10, c02
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return ksort($this->db);
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}
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// Returns the name associated to the key, FALSE if the key doesn't exist
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public function getName($key)
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{
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if (isset($this->db[$key])) {
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return $this->db[$key]['name'];
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}
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return false;
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}
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// Returns an array with key=>name of the list
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public function getKeyNameArray()
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{
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$tmp = array();
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foreach($this->db as $key=>$fields) {
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$tmp[$key] = $fields['name'];
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}
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return $tmp;
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}
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// Returns the amount of items for some key
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public function countItems($key)
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{
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if( isset($this->db[$key]) ) {
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return count($this->db[$key]['list']);
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}
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return 0;
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}
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public function exists($key)
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{
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return isset( $this->db[$key] );
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}
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public function existsName($name)
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{
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foreach ($this->db as $key=>$fields) {
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if ($name==$fields['name']) {
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return true;
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}
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}
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return false;
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}
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// Returns an array with a portion of the database filtered by key
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// Returns array( 'key'=>'', 'name'=>'', 'template'=>'', 'description'=>'', list'=>array() )
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public function getMap($key)
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{
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if (isset($this->db[$key])) {
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$tmp = $this->db[$key];
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$tmp['key'] = $key;
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return $tmp;
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}
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return false;
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}
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} |