array('inFile'=>true, 'value'=>''), 'content'=> array('inFile'=>true, 'value'=>''), 'description'=> array('inFile'=>false, 'value'=>''), 'username'=> array('inFile'=>false, 'value'=>''), 'status'=> array('inFile'=>false, 'value'=>'draft'), // published, draft, scheduled 'tags'=> array('inFile'=>false, 'value'=>''), 'allowComments'=> array('inFile'=>false, 'value'=>false), 'date'=> array('inFile'=>false, 'value'=>'') ); private $numberPosts = array( 'total'=>0, 'published'=>0 ); function __construct() { parent::__construct(PATH_DATABASES.'posts.php'); $this->numberPosts['total'] = count($this->db); } public function numberPost($total=false) { if($total) { return $this->numberPosts['total']; } return $this->numberPosts['published']; } // Return an array with the post's database, FALSE otherwise. public function getDb($key) { if($this->postExists($key)) { return $this->db[$key]; } return false; } public function setDb($key, $field, $value) { if($this->postExists($key)) { $this->db[$key][$field] = $value; } return false; } // Return TRUE if the post exists, FALSE otherwise. public function postExists($key) { return isset($this->db[$key]); } // Generate a valid Key/Slug. public function generateKey($text, $oldKey='') { if(Text::isEmpty($text)) { $text = 'empty'; } $newKey = Text::cleanUrl($text); if($newKey===$oldKey) { return $newKey; } // Verify if the key is already been used. if( isset($this->db[$newKey]) ) { if( !Text::endsWithNumeric($newKey) ) { $newKey = $newKey.'-0'; } while( isset($this->db[$newKey]) ) { $newKey++; } } return $newKey; } public function add($args) { $dataForDb = array(); // This data will be saved in the database $dataForFile = array(); // This data will be saved in the file $currentDate = Date::current(DB_DATE_FORMAT); // Generate the database key. $key = $this->generateKey($args['slug']); // The user is always the who is loggued. $args['username'] = Session::get('username'); if( Text::isEmpty($args['username']) ) { return false; } // Date if(!Valid::date($args['date'], DB_DATE_FORMAT)) { $args['date'] = $currentDate; } // Schedule post? if( ($args['date']>$currentDate) && ($args['status']=='published') ) { $args['status'] = 'scheduled'; } // Tags if(Text::isNotEmpty($args['tags'])) { $cleanTags = array_map('trim', explode(',', $args['tags'])); $args['tags'] = implode(',', $cleanTags); } // Verify arguments with the database fields. foreach($this->dbFields as $field=>$options) { if( isset($args[$field]) ) { // Sanitize if will be saved on database. if( !$options['inFile'] ) { $tmpValue = Sanitize::html($args[$field]); } else { $tmpValue = $args[$field]; } } // Default value for the field. else { $tmpValue = $options['value']; } // Check where the field will be written, if in the file or in the database. if($options['inFile']) { $dataForFile[$field] = Text::firstCharUp($field).': '.$tmpValue; } else { // Set type settype($tmpValue, gettype($options['value'])); // Save on database $dataForDb[$field] = $tmpValue; } } // Make the directory. if( Filesystem::mkdir(PATH_POSTS.$key) === false ) { Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to create the directory '.PATH_POSTS.$key); return false; } // Make the index.txt and save the file. $data = implode("\n", $dataForFile); if( file_put_contents(PATH_POSTS.$key.DS.'index.txt', $data) === false ) { Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to put the content in the file index.txt'); return false; } // Save the database $this->db[$key] = $dataForDb; // Sort posts before save. $this->sortByDate(); if( $this->save() === false ) { Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to save the database file.'); return false; } return true; } public function edit($args) { if( $this->delete($args['key']) ) { return $this->add($args); } Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to delete the post.'); return false; } public function delete($key) { // Post doesn't exist in database. if(!$this->postExists($key)) { Log::set(__METHOD__.LOG_SEP.'The post does not exist. Key: '.$key); } // Delete the index.txt file. if( Filesystem::rmfile(PATH_POSTS.$key.DS.'index.txt') === false ) { Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to delete the file index.txt'); } // Delete the directory. if( Filesystem::rmdir(PATH_POSTS.$key) === false ) { Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to delete the directory '.PATH_POSTS.$key); } // Remove from database. unset($this->db[$key]); // Save the database. if( $this->save() === false ) { Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to save the database file.'); } return true; } // Returns an array with a list of posts keys, filtered by a page number. public function getList($pageNumber, $postPerPage, $removeUnpublished=true) { $totalPosts = $this->numberPosts['total']; // Remove the unpublished posts. if($removeUnpublished) { $this->removeUnpublished(); $totalPosts = $this->numberPosts['published']; } $init = (int) $postPerPage * $pageNumber; $end = (int) min( ($init + $postPerPage - 1), $totalPosts - 1 ); $outrange = $init<0 ? true : $init>$end; if(!$outrange) { return array_slice($this->db, $init, $postPerPage, true); } return array(); } // Delete all posts from an user. public function deletePostsByUser($username) { foreach($this->db as $key=>$value) { if($value['username']==$username) { unset($this->db[$key]); } } // Save the database. if( $this->save() === false ) { Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to save the database file.'); return false; } return true; } // Link-up all posts from an user to another user. public function linkPostsToUser($oldUsername, $newUsername) { foreach($this->db as $key=>$value) { if($value['username']==$oldUsername) { $this->db[$key]['username'] = $newUsername; } } // Sort posts before save. $this->sortByDate(); // Save the database. if( $this->save() === false ) { Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to save the database file.'); return false; } return true; } // Remove unpublished posts, status != published. public function removeUnpublished() { foreach($this->db as $key=>$values) { if($values['status']!='published') { unset($this->db[$key]); } } $this->numberPosts['published'] = count($this->db); return true; } // Return TRUE if there are new posts published, FALSE otherwise. public function scheduler() { // Get current date. $currentDate = Date::current(DB_DATE_FORMAT); $saveDatabase = false; // Check scheduled posts and publish. foreach($this->db as $postKey=>$values) { if($values['status']=='scheduled') { // Publish post. if($values['date']<=$currentDate) { $this->db[$postKey]['status'] = 'published'; $saveDatabase = true; } } elseif($values['status']=='published') { break; } } // Save the database. if($saveDatabase) { if( $this->save() === false ) { Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to save the database file.'); return false; } return true; } return false; } // Sort posts by date. public function sortByDate($HighToLow=true) { if($HighToLow) { uasort($this->db, array($this, 'sortHighToLow')); } else { uasort($this->db, array($this, 'sortLowToHigh')); } return true; } private function sortLowToHigh($a, $b) { return $a['date']>$b['date']; } private function sortHighToLow($a, $b) { return $a['date']<$b['date']; } public function regenerateCli() { $db = $this->db; $newPaths = array(); $fields = array(); // Default fields and value foreach($this->dbFields as $field=>$options) { if(!$options['inFile']) { $fields[$field] = $options['value']; } } $fields['status'] = CLI_STATUS; $fields['date'] = Date::current(DB_DATE_FORMAT); // Recovery pages from the first level of directories $tmpPaths = glob(PATH_POSTS.'*', GLOB_ONLYDIR); foreach($tmpPaths as $directory) { $key = basename($directory); if(file_exists($directory.DS.'index.txt')) { // The key is the directory name $newPaths[$key] = true; } } foreach($newPaths as $key=>$value) { if(!isset($this->db[$key])) { $this->db[$key] = $fields; } $Post = new Post($key); // Update all fields from FILE to DATABASE. foreach($fields as $f=>$v) { if($Post->getField($f)) { $valueFromFile = $Post->getField($f); // Validate values from file. if($f=='tags') { $valueFromFile = array_map('trim', explode(',', $valueFromFile)); $valueFromFile = implode(',', $valueFromFile); } elseif($f=='date') { if(!Valid::date($valueFromFile,DB_DATE_FORMAT)) { $valueFromFile = Date::current(DB_DATE_FORMAT); } } // Sanitize the values from file. $this->db[$key][$f] = Sanitize::html($valueFromFile); } } } // Remove old posts from db foreach( array_diff_key($db, $newPaths) as $key=>$data ) { unset($this->db[$key]); } // Sort posts before save. $this->sortByDate(); // Save the database. if( $this->save() === false ) { Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to save the database file.'); return false; } return $this->db!=$db; } }