824 lines
20 KiB
PHP
824 lines
20 KiB
PHP
<?php defined('BLUDIT') or die('Bludit CMS.');
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class Pages extends dbJSON {
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private $parentKeyList = array();
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private $dbFields = array(
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'title'=>'',
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'description'=>'',
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'username'=>'',
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'tags'=>array(),
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'type'=>'published', // published, draft, sticky, scheduled
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'date'=>'',
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'dateModified'=>'',
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'position'=>0,
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'coverImage'=>'',
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'category'=>'',
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'md5file'=>'',
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'uuid'=>'',
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'allowComments'=>true,
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'template'=>'',
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'noindex'=>false,
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'nofollow'=>false,
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'noarchive'=>false
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);
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function __construct()
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{
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parent::__construct(DB_PAGES);
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}
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public function getDefaultFields()
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{
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return $this->dbFields;
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}
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// Return an array with the database for a page, FALSE otherwise
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public function getPageDB($key)
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{
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if ($this->exists($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 page exists, FALSE otherwise
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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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// Create a new page
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// This function returns the key of the new page
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public function add($args, $climode=false)
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{
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$row = array();
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// Check values on args and set default values if not exists
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foreach ($this->dbFields as $field=>$value) {
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if ($field=='tags') {
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if (!empty($args['tags'])) {
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$finalValue = $this->generateTags($args['tags']);
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}
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} elseif (isset($args[$field])) {
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// Sanitize if will be stored on database
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$finalValue = Sanitize::html($args[$field]);
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} else {
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// Default value for the field if not defined
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$finalValue = $value;
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}
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settype($finalValue, gettype($value));
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$row[$field] = $finalValue;
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}
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// Content
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// This variable is not belong to the database so is not defined in $row
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$contentRaw = $args['content'];
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// Parent
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// This variable is not belong to the database so is not defined in $row
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$parent = '';
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if (!empty($args['parent'])) {
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$parent = $args['parent'];
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}
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// Slug from the title or the content
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// This variable is not belong to the database so is not defined in $row
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if (empty($args['slug'])) {
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if (!empty($row['title'])) {
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$slug = $this->generateSlug($row['title']);
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} else {
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$slug = $this->generateSlug($contentRaw);
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}
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} else {
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$slug = $args['slug'];
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}
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// Generate key
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// This variable is not belong to the database so is not defined in $row
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$key = $this->generateKey($slug, $parent);
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// Generate UUID
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if (empty($row['uuid'])) {
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$row['uuid'] = $this->generateUUID();
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}
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// Validate date
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if (!Valid::date($row['date'], DB_DATE_FORMAT)) {
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$row['date'] = Date::current(DB_DATE_FORMAT);
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}
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// Schedule page
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if (($row['date']>Date::current(DB_DATE_FORMAT)) && ($row['type']=='published')) {
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$row['type'] = 'scheduled';
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}
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if ($climode===false) {
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// Create the directory
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if( Filesystem::mkdir(PATH_PAGES.$key, true) === false ) {
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to create the directory ['.PATH_PAGES.$key.']',LOG_TYPE_ERROR);
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return false;
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}
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// Create the index.txt and save the file
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if( file_put_contents(PATH_PAGES.$key.DS.FILENAME, $contentRaw) === false ) {
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to create the content in the file ['.FILENAME.']',LOG_TYPE_ERROR);
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return false;
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}
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}
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// Checksum MD5
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$row['md5file'] = md5_file(PATH_PAGES.$key.DS.FILENAME);
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// Insert in database
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$this->db[$key] = $row;
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// Sort database
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$this->sortBy();
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// Save database
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$this->save();
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return $key;
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}
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public function edit($args, $climode=false)
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{
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$row = array();
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// Check values on args or set default values
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foreach ($this->dbFields as $field=>$value) {
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if ($field=='tags') {
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$finalValue = $this->generateTags($args['tags']);
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} elseif (isset($args[$field])) {
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// Sanitize if will be stored on database
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$finalValue = Sanitize::html($args[$field]);
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} else {
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// Default value for the field if not defined
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$finalValue = $value;
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}
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settype($finalValue, gettype($value));
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$row[$field] = $finalValue;
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}
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// Content
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// This variable is not belong to the database so is not defined in $row
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$contentRaw = $args['content'];
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// Parent
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// This variable is not belong to the database so is not defined in $row
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$parent = '';
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if (!empty($args['parent'])) {
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$parent = $args['parent'];
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}
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// Old key
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// This variable is not belong to the database so is not defined in $row
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$key = $args['key'];
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// Slug from the title or the content
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// This variable is not belong to the database so is not defined in $row
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if (empty($args['slug'])) {
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if (!empty($row['title'])) {
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$slug = $this->generateSlug($row['title']);
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} else {
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$slug = $this->generateSlug($contentRaw);
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}
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} else {
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$slug = $args['slug'];
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}
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// New key
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// This variable is not belong to the database so is not defined in $row
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$newKey = $this->generateKey($slug, $parent, false, $key);
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// If the page is draft then the created time is the current
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if ($this->db[$key]['type']=='draft') {
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$row['date'] = Date::current(DB_DATE_FORMAT);
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} elseif (!Valid::date($row['date'], DB_DATE_FORMAT)) {
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$row['date'] = $this->db[$key]['date'];
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}
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// Modified date
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$row['dateModified'] = Date::current(DB_DATE_FORMAT);
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// Schedule page
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if (($row['date']>Date::current(DB_DATE_FORMAT)) && ($row['type']=='published')) {
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$row['type'] = 'scheduled';
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}
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if ($climode===false) {
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// Move the directory from old key to new key.
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if ($newKey!==$key) {
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if( Filesystem::mv(PATH_PAGES.$key, PATH_PAGES.$newKey) === false ) {
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to move the directory to '.PATH_PAGES.$newKey);
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return false;
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}
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}
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// Make the index.txt and save the file.
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if (file_put_contents(PATH_PAGES.$newKey.DS.FILENAME, $contentRaw)===false) {
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to put the content in the file '.FILENAME);
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return false;
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}
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}
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// Remove the old key
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unset( $this->db[$key] );
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// Reindex Orphan Children
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$this->reindexChildren($key, $newKey);
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// Checksum MD5
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$row['md5file'] = md5_file(PATH_PAGES.$newKey.DS.FILENAME);
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// Insert in database
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$this->db[$newKey] = $row;
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// Sort database
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$this->sortBy();
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// Save database
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$this->save();
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return $newKey;
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}
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// This function reindex the orphan children with the new parent key
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// If a page has subpages and the page change his key is necesarry check the children key
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public function reindexChildren($oldParentKey, $newParentKey) {
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if ($oldParentKey==$newParentKey){
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return false;
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}
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$tmp = $this->db;
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foreach ($tmp as $key=>$fields) {
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if (Text::startsWith($key, $oldParentKey.'/')) {
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$newKey = Text::replace($oldParentKey.'/', $newParentKey.'/', $key);
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$this->db[$newKey] = $this->db[$key];
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unset($this->db[$key]);
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}
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}
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}
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public function delete($key)
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{
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// This is need it, because if the key is empty the Filesystem::deleteRecursive is going to delete PATH_PAGES
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if (empty($key)) {
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return false;
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}
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// Page doesn't exist in database
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if (!$this->exists($key)) {
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Log::set(__METHOD__.LOG_SEP.'The page does not exist. Key: '.$key);
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}
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// Delete directory and files
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if (Filesystem::deleteRecursive(PATH_PAGES.$key) === false) {
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Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to delete the directory '.PATH_PAGES.$key);
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}
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// Remove from database
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unset($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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// Delete all pages from a user
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public function deletePagesByUser($args)
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{
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$username = $args['username'];
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foreach ($this->db as $key=>$fields) {
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if ($fields['username']===$username) {
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$this->delete($key);
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}
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}
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return true;
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}
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// Link all pages to a new user
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public function transferPages($args)
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{
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$oldUsername = $args['oldUsername'];
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$newUsername = isset($args['newUsername']) ? $args['newUsername'] : 'admin';
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foreach ($this->db as $key=>$fields) {
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if ($fields['username']===$oldUsername) {
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$this->db[$key]['username'] = $newUsername;
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}
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}
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return $this->save();
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}
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// Set field = value
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public function setField($key, $field, $value)
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{
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if ($this->exists($key)) {
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settype($value, gettype($this->dbFields[$field]));
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$this->db[$key][$field] = $value;
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return $this->save();
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}
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return false;
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}
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// Returns a database with published pages keys
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public function getPublishedDB($onlyKeys=true)
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{
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$tmp = $this->db;
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foreach ($tmp as $key=>$fields) {
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if ($fields['type']!='published') {
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unset($tmp[$key]);
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}
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}
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if ($onlyKeys) {
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return array_keys($tmp);
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}
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return $tmp;
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}
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// Returns an array with a list of keys/database of static pages
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// By default the static pages are sort by position
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public function getStaticDB($onlyKeys=true)
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{
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$tmp = $this->db;
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foreach ($tmp as $key=>$fields) {
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if ($fields['type']!='static') {
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unset($tmp[$key]);
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}
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}
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uasort($tmp, array($this, 'sortByPositionLowToHigh'));
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if ($onlyKeys) {
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return array_keys($tmp);
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}
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return $tmp;
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}
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// Returns an array with a list of keys/database of draft pages
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public function getDraftDB($onlyKeys=true)
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{
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$tmp = $this->db;
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foreach ($tmp as $key=>$fields) {
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if($fields['type']!='draft') {
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unset($tmp[$key]);
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}
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}
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if ($onlyKeys) {
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return array_keys($tmp);
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}
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return $tmp;
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}
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// Returns an array with a list of keys/database of scheduled pages
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public function getScheduledDB($onlyKeys=true)
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{
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$tmp = $this->db;
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foreach ($tmp as $key=>$fields) {
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if($fields['type']!='scheduled') {
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unset($tmp[$key]);
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}
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}
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if ($onlyKeys) {
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return array_keys($tmp);
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}
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return $tmp;
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}
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// Returns an array with a list of keys of sticky pages
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public function getStickyDB($onlyKeys=true)
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{
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$tmp = $this->db;
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foreach ($tmp as $key=>$fields) {
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if($fields['type']!='sticky') {
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unset($tmp[$key]);
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}
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}
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if ($onlyKeys) {
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return array_keys($tmp);
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}
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return $tmp;
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}
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// Returns the next number of the bigger position
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public function nextPositionNumber()
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{
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$tmp = 1;
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foreach ($this->db as $key=>$fields) {
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if ($fields['position']>$tmp) {
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$tmp = $fields['position'];
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}
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}
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return ++$tmp;
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}
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// Returns the next page key of the current page key
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public function nextPageKey($currentKey)
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{
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if ($this->db[$currentKey]['type']=='published') {
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$keys = array_keys($this->db);
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$position = array_search($currentKey, $keys) - 1;
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if (isset($keys[$position])) {
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$nextKey = $keys[$position];
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if ($this->db[$nextKey]['type']=='published') {
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return $nextKey;
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}
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}
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}
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return false;
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}
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// Returns the previous page key of the current page key
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public function previousPageKey($currentKey)
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{
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if ($this->db[$currentKey]['type']=='published') {
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$keys = array_keys($this->db);
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$position = array_search($currentKey, $keys) + 1;
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if (isset($keys[$position])) {
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$prevKey = $keys[$position];
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if ($this->db[$prevKey]['type']=='published') {
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return $prevKey;
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}
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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 list of key of pages, FALSE if out of range
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// The database is sorted by date or by position
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// (int) $pageNumber, the page number
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// (int) $amountOfItems, amount of items to return, if -1 returns all the items
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// (boolean) $onlyPublished, TRUE to return only published pages
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public function getList($pageNumber, $amountOfItems, $onlyPublished=true)
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{
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$db = array_keys($this->db);
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if ($onlyPublished) {
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$db = $this->getPublishedDB(true);
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}
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if ($amountOfItems==-1) {
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return $db;
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}
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// The first page number is 1, so the real is 0
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$realPageNumber = $pageNumber - 1;
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$total = count($db);
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$init = (int) $amountOfItems * $realPageNumber;
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$end = (int) min( ($init + $amountOfItems - 1), $total );
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$outrange = $init<0 ? true : $init>$end;
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if (!$outrange) {
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return array_slice($db, $init, $amountOfItems, true);
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}
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return false;
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}
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// Returns the amount of pages
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// (boolean) $total, TRUE returns the total of pages
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// (boolean) $total, FALSE returns the total of published pages (without draft and scheduled)
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public function count($onlyPublished=true)
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{
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if ($onlyPublished) {
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$db = $this->getPublishedDB(false);
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return count($db);
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}
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return count($this->db);
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}
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// Returns an array with all parents pages key. A parent page is not a child
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public function getParents()
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{
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$db = $this->getPublishedDB();
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foreach ($db as $key=>$pageKey) {
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// if the key has slash then is a child
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if (Text::stringContains($pageKey, '/')) {
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unset($db[$key]);
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}
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}
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return $db;
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}
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public function getChildren($parentKey)
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{
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$tmp = $this->db;
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$list = array();
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foreach ($tmp as $key=>$fields) {
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if (Text::startsWith($key, $parentKey.'/')) {
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array_push($list, $key);
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}
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}
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return $list;
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}
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public function sortBy()
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{
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if (ORDER_BY=='date') {
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return $this->sortByDate(true);
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}
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return $this->sortByPosition(false);
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}
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// Sort pages by position
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public function sortByPosition($HighToLow=false)
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{
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if($HighToLow) {
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uasort($this->db, array($this, 'sortByPositionHighToLow'));
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} else {
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uasort($this->db, array($this, 'sortByPositionLowToHigh'));
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}
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return true;
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}
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private function sortByPositionLowToHigh($a, $b)
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{
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return $a['position']>$b['position'];
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}
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private function sortByPositionHighToLow($a, $b)
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{
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return $a['position']<$b['position'];
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}
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// Sort pages by date
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public function sortByDate($HighToLow=true)
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{
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if($HighToLow) {
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uasort($this->db, array($this, 'sortByDateHighToLow'));
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} else {
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uasort($this->db, array($this, 'sortByDateLowToHigh'));
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}
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return true;
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}
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private function sortByDateLowToHigh($a, $b)
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{
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return $a['date']>$b['date'];
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}
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|
private function sortByDateHighToLow($a, $b)
|
|
{
|
|
return $a['date']<$b['date'];
|
|
}
|
|
|
|
function generateUUID() {
|
|
return md5( uniqid().time() );
|
|
}
|
|
|
|
// Returns the UUID of a page, by the page key
|
|
function getUUID($key)
|
|
{
|
|
if ($this->exists($key)) {
|
|
return $this->db[$key]['uuid'];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Returns the page key by the uuid
|
|
function getByUUID($uuid)
|
|
{
|
|
foreach ($this->db as $key=>$value) {
|
|
if ($value['uuid']==$uuid) {
|
|
return $key;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// Returns string without HTML tags and truncated
|
|
private function generateSlug($text, $truncateLength=60) {
|
|
$tmpslug = Text::removeHTMLTags($text);
|
|
return Text::truncate($tmpslug, $truncateLength, '');
|
|
}
|
|
|
|
// Returns TRUE if there are new pages published, FALSE otherwise
|
|
public function scheduler()
|
|
{
|
|
// Get current date
|
|
$currentDate = Date::current(DB_DATE_FORMAT);
|
|
$saveDatabase = false;
|
|
|
|
// The database need to be sorted by date
|
|
foreach($this->db as $pageKey=>$fields) {
|
|
if($fields['type']=='scheduled') {
|
|
if($fields['date']<=$currentDate) {
|
|
$this->db[$pageKey]['type'] = 'published';
|
|
$saveDatabase = true;
|
|
}
|
|
}
|
|
elseif( ($fields['type']=='published') && (ORDER_BY=='date') ) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if($saveDatabase) {
|
|
if( $this->save() === false ) {
|
|
Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to save the database file.');
|
|
return false;
|
|
}
|
|
|
|
Log::set(__METHOD__.LOG_SEP.'New pages published from the scheduler.');
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// Generate a valid Key/Slug
|
|
public function generateKey($text, $parent=false, $returnSlug=false, $oldKey='')
|
|
{
|
|
if (Text::isEmpty($text)) {
|
|
$text = 'empty';
|
|
}
|
|
|
|
if (Text::isEmpty($parent)) {
|
|
$newKey = Text::cleanUrl($text);
|
|
} else {
|
|
$newKey = Text::cleanUrl($parent).'/'.Text::cleanUrl($text);
|
|
}
|
|
|
|
// cleanURL can return empty string
|
|
if (Text::isEmpty($newKey)) {
|
|
$newKey = 'empty';
|
|
}
|
|
|
|
if ($newKey!==$oldKey) {
|
|
// Verify if the key is already been used
|
|
if( isset($this->db[$newKey]) ) {
|
|
if( !Text::endsWithNumeric($newKey) ) {
|
|
$newKey = $newKey.'-0';
|
|
}
|
|
|
|
while( isset($this->db[$newKey]) ) {
|
|
$newKey++;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($returnSlug) {
|
|
$explode = explode('/', $newKey);
|
|
|
|
if(isset($explode[1])) {
|
|
return $explode[1];
|
|
}
|
|
|
|
return $explode[0];
|
|
}
|
|
|
|
return $newKey;
|
|
}
|
|
|
|
public function rescanClimode()
|
|
{
|
|
Log::set('CLI MODE'.LOG_SEP.'Starting re-scan on pages directory.');
|
|
$pageList = array();
|
|
|
|
// Search for pages
|
|
$directories = Filesystem::listDirectories(PATH_PAGES, $regex='*', $sortByDate=false);
|
|
foreach($directories as $directory) {
|
|
if( Sanitize::pathFile($directory.DS.FILENAME) ) {
|
|
$pageKey = basename($directory);
|
|
$pageList[$pageKey] = true;
|
|
|
|
// Search for children pages
|
|
$subDirectories = Filesystem::listDirectories(PATH_PAGES.$pageKey.DS, $regex='*', $sortByDate=false);
|
|
foreach($subDirectories as $subDirectory) {
|
|
if( Sanitize::pathFile($subDirectory.DS.FILENAME) ) {
|
|
$subPageKey = basename($subDirectory);
|
|
$subPageKey = $pageKey.'/'.$subPageKey;
|
|
$pageList[$subPageKey] = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Log::set('CLI MODE'.LOG_SEP.'Updating pages...');
|
|
$keys = array_keys($pageList);
|
|
foreach($keys as $pageKey) {
|
|
// Checksum
|
|
$checksum = md5_file(PATH_PAGES.$pageKey.DS.FILENAME);
|
|
|
|
// New page
|
|
if( !isset($this->db[$pageKey]) ) {
|
|
$this->verifyFieldsClimode($pageKey, true);
|
|
}
|
|
// Update page
|
|
elseif($this->db[$pageKey]['md5file']!=$checksum) {
|
|
$this->verifyFieldsClimode($pageKey, false);
|
|
}
|
|
}
|
|
|
|
Log::set('CLI MODE'.LOG_SEP.'Removing pages...');
|
|
foreach( array_diff_key($this->db, $pageList) as $pageKey=>$data ) {
|
|
Log::set('CLI MODE'.LOG_SEP.'Removing page from database, key: '.$pageKey);
|
|
unset( $this->db[$pageKey] );
|
|
}
|
|
$this->save();
|
|
}
|
|
|
|
private function verifyFieldsClimode($key, $insert=true)
|
|
{
|
|
$page = new Page($key);
|
|
$db = $page->getDB();
|
|
|
|
// Content from file
|
|
$db['content'] = $db['contentRaw'];
|
|
|
|
// Parent
|
|
$db['parent'] = '';
|
|
$db['slug'] = $key;
|
|
$explodeKey = explode('/', $key);
|
|
if(isset($explodeKey[1])) {
|
|
$db['parent'] = $explodeKey[0];
|
|
$db['slug'] = $explodeKey[1];
|
|
}
|
|
|
|
// Date
|
|
if( !isset($db['date']) ) {
|
|
$db['date'] = Date::current(DB_DATE_FORMAT);
|
|
}
|
|
|
|
// Status
|
|
if( !isset($db['type']) ) {
|
|
$db['type'] = CLI_STATUS;
|
|
}
|
|
|
|
// Owner username
|
|
if( !isset($db['username']) ) {
|
|
$db['username'] = CLI_USERNAME;
|
|
}
|
|
|
|
// New page or update page
|
|
if($insert) {
|
|
Log::set('CLI MODE'.LOG_SEP.'New page found, key:'.$key);
|
|
return $this->add($db, $climode=true);
|
|
} else {
|
|
Log::set('CLI MODE'.LOG_SEP.'Different checksum, updating page, key:'.$key);
|
|
return $this->edit($db, $climode=true);
|
|
}
|
|
}
|
|
|
|
private function stylingFieldsForFile($field, $value)
|
|
{
|
|
// Support for Markdown files, good approach for Github
|
|
if (FILENAME==='index.md') {
|
|
if ($field==='title') {
|
|
return '#Title: '.$value;
|
|
} elseif ($field==='content') {
|
|
return '---'.PHP_EOL.$value;
|
|
} else {
|
|
return '<!-- '.Text::firstCharUp($field).': '.$value.' -->';
|
|
}
|
|
}
|
|
|
|
// Legacy style of Bludit with index.txt
|
|
if ($field==='content') {
|
|
return 'Content:'.PHP_EOL.$value;
|
|
}
|
|
return Text::firstCharUp($field).': '.$value;
|
|
}
|
|
|
|
// Returns an Array, array('tagSlug'=>'tagName')
|
|
// (string) $tags, tag list separated by comma.
|
|
public function generateTags($tags)
|
|
{
|
|
$tmp = array();
|
|
$tags = trim($tags);
|
|
if (empty($tags)) {
|
|
return $tmp;
|
|
}
|
|
|
|
$tags = explode(',', $tags);
|
|
foreach ($tags as $tag) {
|
|
$tag = trim($tag);
|
|
$tagKey = Text::cleanUrl($tag);
|
|
$tmp[$tagKey] = $tag;
|
|
}
|
|
return $tmp;
|
|
}
|
|
|
|
// Change all pages with the old category key to the new category key
|
|
public function changeCategory($oldCategoryKey, $newCategoryKey)
|
|
{
|
|
foreach ($this->db as $key=>$value) {
|
|
if ($value['category']===$oldCategoryKey) {
|
|
$this->db[$key]['category'] = $newCategoryKey;
|
|
}
|
|
}
|
|
return $this->save();
|
|
}
|
|
|
|
}
|