138 lines
2.5 KiB
PHP
138 lines
2.5 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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"list": [ "my-page", "second-page" ]
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},
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"pets": {
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"name": "Pets",
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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($file);
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}
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private function getList($key, $amountOfItems, $pageNumber)
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{
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if( !isset($this->db[$key]) ) {
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Log::set(__METHOD__.LOG_SEP.'Error key does not exist '.$key);
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return array();
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}
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$list = $this->db[$key]['list'];
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$total = count($list);
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$init = (int) $amountOfItems * $pageNumber;
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$end = (int) min( ($init + $amountOfItems - 1), $total );
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$outrange = $init<0 ? true : $init>$end;
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if($outrange) {
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Log::set(__METHOD__.LOG_SEP.'Error out of range');
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return array();
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}
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$list = array_flip($list);
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return array_slice($list, $init, $amountOfItems, true);
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}
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public function generateKey($name)
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{
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return Text::cleanUrl($name);
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}
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public function add($name)
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{
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$key = $this->generateKey($name);
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if( isset($this->db[$key]) ) {
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Log::set(__METHOD__.LOG_SEP.'Error key already exist: '.$key);
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return false;
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}
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$this->db[$key]['name'] = $name;
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$this->db[$key]['list'] = array();
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$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 $this->save();
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}
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public function edit($oldKey, $newName)
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{
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$newKey = $this->generateKey($newName);
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$this->db[$newKey]['name'] = $newName;
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$this->db[$newKey]['list'] = $this->db[$oldKey]['list'];
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// Remove the old category
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if( $oldKey != $newKey ) {
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unset( $this->db[$oldKey] );
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}
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$this->save();
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return $newKey;
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}
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// Returns the name associated to the key, FALSE if the key doesn't exist
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public function getName($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($sortAlphanumeric=true)
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{
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$tmp = array();
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foreach($this->db as $key=>$fields) {
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$tmp[$key] = $fields['name'];
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}
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// Sort alphanumeric strings, a01, a10, a11, a20
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if($sortAlphanumeric) {
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natcasesort($tmp);
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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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} |