297 lines
6.9 KiB
PHP
297 lines
6.9 KiB
PHP
<?php defined('BLUDIT') or die('Bludit CMS.');
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class dbPosts extends dbJSON
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{
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private $dbFields = array(
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'title'=> array('inFile'=>true, 'value'=>''),
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'content'=> array('inFile'=>true, 'value'=>''),
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'description'=> array('inFile'=>false, 'value'=>''),
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'username'=> array('inFile'=>false, 'value'=>''),
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'status'=> array('inFile'=>false, 'value'=>'draft'),
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'tags'=> array('inFile'=>false, 'value'=>''),
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'allowComments'=> array('inFile'=>false, 'value'=>false),
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'unixTimeCreated'=> array('inFile'=>false, 'value'=>0),
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'unixTimeModified'=>array('inFile'=>false, 'value'=>0)
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);
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function __construct()
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{
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parent::__construct(PATH_DATABASES.'posts.php');
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}
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// Return an array with the database for a page, FALSE otherwise.
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public function getDb($key)
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{
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if($this->postExists($key)) {
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return $this->db[$key];
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}
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return false;
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}
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// Return TRUE if the post exists, FALSE otherwise.
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public function postExists($key)
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{
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return isset($this->db[$key]);
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}
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// Generate a valid Key/Slug.
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public function generateKey($text, $oldKey='')
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{
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if(Text::isEmpty($text)) {
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$text = 'empty';
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}
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$newKey = Text::cleanUrl($text);
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if($newKey===$oldKey) {
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return $newKey;
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}
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// Verify if the key is already been used.
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if( isset($this->db[$newKey]) )
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{
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if( !Text::endsWithNumeric($newKey) ) {
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$newKey = $newKey.'-0';
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}
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while( isset($this->db[$newKey]) ) {
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$newKey++;
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}
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}
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return $newKey;
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}
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public function add($args)
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{
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$dataForDb = array(); // This data will be saved in the database
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$dataForFile = array(); // This data will be saved in the file
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// Generate the database key.
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$key = $this->generateKey($args['slug']);
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// The user is always the one loggued.
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$args['username'] = Session::get('username');
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if( Text::isEmpty($args['username']) ) {
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return false;
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}
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// The current unix time stamp.
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if(empty($args['unixTimeCreated'])) {
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$args['unixTimeCreated'] = Date::unixTime();
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}
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// Verify arguments with the database fields.
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foreach($this->dbFields as $field=>$options)
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{
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if( isset($args[$field]) )
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{
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// Sanitize if will be saved on database.
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if( !$options['inFile'] ) {
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$tmpValue = Sanitize::html($args[$field]);
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}
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else {
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$tmpValue = $args[$field];
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}
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}
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// Default value for the field.
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else
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{
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$tmpValue = $options['value'];
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}
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// Check where the field will be written, if in the file or in the database.
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if($options['inFile']) {
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$dataForFile[$field] = Text::firstCharUp($field).': '.$tmpValue;
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}
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else
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{
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// Set type
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settype($tmpValue, gettype($options['value']));
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// Save on database
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$dataForDb[$field] = $tmpValue;
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}
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}
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// Make the directory.
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if( Filesystem::mkdir(PATH_POSTS.$key) === false ) {
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to create the directory '.PATH_POSTS.$key);
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return false;
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}
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// Make the index.txt and save the file.
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$data = implode("\n", $dataForFile);
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if( file_put_contents(PATH_POSTS.$key.DS.'index.txt', $data) === false ) {
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to put the content in the file index.txt');
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return false;
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}
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// Save the database
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$this->db[$key] = $dataForDb;
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if( $this->save() === false ) {
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to save the database file.');
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return false;
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}
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return true;
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}
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public function edit($args)
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{
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// Unix time created and modified.
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$args['unixTimeCreated'] = $this->db[$args['key']]['unixTimeCreated'];
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$args['unixTimeModified'] = Date::unixTime();
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if( $this->delete($args['key']) ) {
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return $this->add($args);
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}
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to delete the post.');
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return false;
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}
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public function delete($key)
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{
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// Post doesn't exist in database.
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if(!$this->postExists($key)) {
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Log::set(__METHOD__.LOG_SEP.'The post does not exist. Key: '.$key);
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}
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// Delete the index.txt file.
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if( Filesystem::rmfile(PATH_POSTS.$key.DS.'index.txt') === false ) {
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to delete the file index.txt');
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}
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// Delete the directory.
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if( Filesystem::rmdir(PATH_POSTS.$key) === false ) {
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to delete the directory '.PATH_POSTS.$key);
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}
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// Remove from database.
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unset($this->db[$key]);
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// Save the database.
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if( $this->save() === false ) {
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to save the database file.');
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}
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return true;
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}
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public function regenerate()
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{
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$db = $this->db;
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$paths = array();
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$fields = array();
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// Default fields and value
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foreach($this->dbFields as $field=>$options) {
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if(!$options['inFile']) {
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$fields[$field] = $options['value'];
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}
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}
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// Unix time stamp
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$fields['unixTimeCreated'] = Date::unixTime();
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// Username
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$fields['username'] = 'admin';
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if(HANDMADE_PUBLISHED) {
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$fields['status']='published';
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}
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// Recovery pages from the first level of directories
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$tmpPaths = glob(PATH_POSTS.'*', GLOB_ONLYDIR);
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foreach($tmpPaths as $directory)
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{
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$key = basename($directory);
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if(file_exists($directory.DS.'index.txt')) {
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// The key is the directory name
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$paths[$key] = true;
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}
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}
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// Remove old posts from db
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foreach( array_diff_key($db, $paths) as $slug=>$data ) {
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unset($this->db[$slug]);
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}
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// Insert new posts to db
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foreach( array_diff_key($paths, $db) as $slug=>$data ) {
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$this->db[$slug] = $fields;
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}
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// Save the database.
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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 $this->db!=$db;
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}
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public function getPage($pageNumber, $postPerPage, $draftPosts=false)
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{
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$init = (int) $postPerPage * $pageNumber;
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$end = (int) min( ($init + $postPerPage - 1), count($this->db) - 1 );
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$outrange = $init<0 ? true : $init > $end;
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// DEBUG: Ver una mejor manera de eliminar draft post antes de ordenarlos
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// DEBUG: Se eliminan antes de ordenarlos porque sino los draft cuentan como publicados en el PostPerPage.
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if(!$draftPosts){
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$this->removeUnpublished();
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}
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$tmp = $this->sortByDate();
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if(!$outrange) {
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return array_slice($tmp, $init, $end+1, true);
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}
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return array();
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}
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// DEBUG: Ver una mejor manera de eliminar draft post antes de ordenarlos
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private function removeUnpublished()
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{
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$tmp = array();
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foreach($this->db as $key=>$value)
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{
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if($value['status']==='published') {
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$tmp[$key]=$value;
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}
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}
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$this->db = $tmp;
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}
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private function sortByDate($low_to_high=false)
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{
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// high to low
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function high_to_low($a, $b) {
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return $a['unixTimeCreated']<$b['unixTimeCreated'];
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}
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// low to high
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function low_to_high($a, $b) {
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return $a['unixTimeCreated']>$b['unixTimeCreated'];
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}
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$tmp = $this->db;
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if($low_to_high)
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uasort($tmp, 'low_to_high');
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else
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uasort($tmp, 'high_to_low');
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return $tmp;
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}
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}
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