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<?php |
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/* For licensing terms, see /license.txt */ |
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/** |
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* Class aicc |
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* Defines the AICC class, which is meant to contain the aicc items (nuclear elements). |
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* |
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* @author Yannick Warnier <[email protected]> |
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* @license GNU/GPL |
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*/ |
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class aicc extends learnpath |
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{ |
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public $config = []; |
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// The configuration files might be multiple and might have |
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// funny names. We need to keep the name of that file while we |
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// install the content. |
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public $config_basename = ''; |
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public $config_files = []; |
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public $config_exts = [ |
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'crs' => 0, // Course description file (mandatory) |
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'au' => 0, // Assignable Unit file (mandatory) |
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'des' => 0, // Descriptor file (mandatory) |
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'cst' => 0, // Course structure file (mandatory) |
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'ore' => 0, // Objectives relationshops file (optional) |
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'pre' => 0, // Prerequisites file (optional) |
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'cmp' => 0, // Completion Requirements file (optional) |
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]; |
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public $aulist = []; |
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public $au_order_list = []; |
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public $au_order_list_new_id = []; |
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public $deslist = []; |
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public $cstlist = []; |
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public $orelist = []; |
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// Path between the scorm/ directory and the config files |
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// e.g. maritime_nav/maritime_nav. |
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// This is the path that will be used in the lp_path when importing a package. |
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public $subdir = ''; |
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// Keeps the zipfile safe for the object's life |
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// so that we can use it if there is no title available. |
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public $zipname = ''; |
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// Keeps an index of the number of uses of the zipname so far. |
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public $lastzipnameindex = 0; |
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public $config_encoding = 'ISO-8859-1'; |
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public $debug = 0; |
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/** |
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* Class constructor. Based on the parent constructor. |
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* |
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* @param string $course_code |
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* @param int $resource_id Learnpath ID in DB |
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* @param int $user_id |
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*/ |
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public function __construct($course_code = null, $resource_id = null, $user_id = null) |
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{ |
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if (!empty($course_code) && !empty($resource_id) && !empty($user_id)) { |
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parent::__construct($course_code, $resource_id, $user_id); |
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} |
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} |
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/** |
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* Opens a resource. |
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* |
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* @param int Database ID of the resource |
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*/ |
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public function open($id) |
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{ |
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} |
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/** |
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* Parses a set of AICC config files and puts everything into the $config array. |
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* |
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* @param string Path to the config files dir on the system. |
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* If not defined, uses the base path of the course's scorm dir |
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* |
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* @return array Structured array representing the config files' contents |
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*/ |
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public function parse_config_files($dir = '') |
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{ |
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if ($this->debug > 0) { |
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error_log('New LP - In aicc::parse_config_files('.$dir.')', 0); |
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} |
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if (empty($dir)) { |
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// Get the path of the AICC config files dir. |
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$dir = $this->subdir; |
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} |
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if (is_dir($dir) && is_readable($dir)) { |
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// Now go through all the config files one by one and parse everything into AICC objects. |
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// The basename for the config files is stored in $this->config_basename. |
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// Parse the Course Description File (.crs) - ini-type. |
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$crs_file = $dir.'/'.$this->config_files['crs']; |
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$crs_params = $this->parse_ini_file_quotes_safe($crs_file); |
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if ($this->debug > 1) { |
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error_log('New LP - In aicc::parse_config_files() - '.$crs_file.' has been parsed'); |
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} |
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// CRS distribute crs params into the aicc object. |
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if (!empty($crs_params['course']['course_creator'])) { |
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$this->course_creator = Database::escape_string($crs_params['course']['course_creator']); |
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} |
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if (!empty($crs_params['course']['course_id'])) { |
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$this->course_id = Database::escape_string($crs_params['course']['course_id']); |
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} |
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if (!empty($crs_params['course']['course_system'])) { |
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$this->course_system = $crs_params['course']['course_system']; |
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} |
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if (!empty($crs_params['course']['course_title'])) { |
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$this->course_title = Database::escape_string($crs_params['course']['course_title']); |
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} |
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if (!empty($crs_params['course']['course_level'])) { |
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$this->course_level = $crs_params['course']['course_level']; |
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} |
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if (!empty($crs_params['course']['max_fields_cst'])) { |
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$this->course_max_fields_cst = $crs_params['course']['max_fields_cst']; |
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} |
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if (!empty($crs_params['course']['max_fields_ort'])) { |
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$this->course_max_fields_ort = $crs_params['course']['max_fields_ort']; |
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} |
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if (!empty($crs_params['course']['total_aus'])) { |
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$this->course_total_aus = $crs_params['course']['total_aus']; |
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} |
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if (!empty($crs_params['course']['total_blocks'])) { |
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$this->course_total_blocks = $crs_params['course']['total_blocks']; |
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} |
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if (!empty($crs_params['course']['total_objectives'])) { |
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$this->course_total_objectives = $crs_params['course']['total_objectives']; |
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} |
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if (!empty($crs_params['course']['total_complex_objectives'])) { |
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$this->course_total_complex_objectives = $crs_params['course']['total_complex_objectives']; |
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} |
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if (!empty($crs_params['course']['version'])) { |
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$this->course_version = $crs_params['course']['version']; |
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} |
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if (!empty($crs_params['course_description'])) { |
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$this->course_description = Database::escape_string($crs_params['course_description']); |
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} |
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// Parse the Descriptor File (.des) - csv-type. |
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$des_file = $dir.'/'.$this->config_files['des']; |
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$des_params = $this->parse_csv_file($des_file); |
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if ($this->debug > 1) { |
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error_log('New LP - In aicc::parse_config_files() - '.$des_file.' has been parsed', 0); |
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} |
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// Distribute des params into the aicc object. |
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foreach ($des_params as $des) { |
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// One AU in AICC is equivalent to one SCO in SCORM (scormItem class). |
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$oDes = new aiccResource('config', $des); |
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$this->deslist[$oDes->identifier] = $oDes; |
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} |
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// Parse the Assignable Unit File (.au) - csv-type. |
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$au_file = $dir.'/'.$this->config_files['au']; |
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$au_params = $this->parse_csv_file($au_file); |
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if ($this->debug > 1) { |
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error_log('New LP - In aicc::parse_config_files() - '.$au_file.' has been parsed', 0); |
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} |
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// Distribute au params into the aicc object. |
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foreach ($au_params as $au) { |
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$oAu = new aiccItem('config', $au); |
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$this->aulist[$oAu->identifier] = $oAu; |
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$this->au_order_list[] = $oAu->identifier; |
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} |
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// Parse the Course Structure File (.cst) - csv-type. |
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$cst_file = $dir.'/'.$this->config_files['cst']; |
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$cst_params = $this->parse_csv_file($cst_file, ',', '"', true); |
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if ($this->debug > 1) { |
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error_log('New LP - In aicc::parse_config_files() - '.$cst_file.' has been parsed', 0); |
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} |
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// Distribute cst params into the aicc object. |
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foreach ($cst_params as $cst) { |
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$oCst = new aiccBlock('config', $cst); |
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$this->cstlist[$oCst->identifier] = $oCst; |
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} |
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// Parse the Objectives Relationships File (.ore) - csv-type - if exists. |
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// TODO: Implement these objectives. For now they're just parsed. |
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if (!empty($this->config_files['ore'])) { |
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$ore_file = $dir.'/'.$this->config_files['ore']; |
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$ore_params = $this->parse_csv_file($ore_file, ',', '"', true); |
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if ($this->debug > 1) { |
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error_log('New LP - In aicc::parse_config_files() - '.$ore_file.' has been parsed', 0); |
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} |
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// Distribute ore params into the aicc object. |
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foreach ($ore_params as $ore) { |
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$oOre = new aiccObjective('config', $ore); |
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$this->orelist[$oOre->identifier] = $oOre; |
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} |
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} |
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// Parse the Prerequisites File (.pre) - csv-type - if exists. |
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if (!empty($this->config_files['pre'])) { |
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$pre_file = $dir.'/'.$this->config_files['pre']; |
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$pre_params = $this->parse_csv_file($pre_file); |
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if ($this->debug > 1) { |
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error_log('New LP - In aicc::parse_config_files() - '.$pre_file.' has been parsed', 0); |
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} |
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// Distribute pre params into the aicc object. |
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foreach ($pre_params as $pre) { |
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// Place a constraint on the corresponding block or AU. |
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if (in_array(api_strtolower($pre['structure_element']), array_keys($this->cstlist))) { |
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// If this references a block element: |
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$this->cstlist[api_strtolower($pre['structure_element'])]->prereq_string = api_strtolower($pre['prerequisite']); |
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} |
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if (in_array(api_strtolower($pre['structure_element']), array_keys($this->aulist))) { |
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// If this references a block element: |
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$this->aulist[api_strtolower($pre['structure_element'])]->prereq_string = api_strtolower($pre['prerequisite']); |
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} |
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} |
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} |
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// Parse the Completion Requirements File (.cmp) - csv-type - if exists. |
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// TODO: Implement this set of requirements (needs database changes). |
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if (!empty($this->config_files['cmp'])) { |
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$cmp_file = $dir.'/'.$this->config_files['cmp']; |
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$cmp_params = $this->parse_csv_file($cmp_file); |
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if ($this->debug > 1) { |
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error_log('New LP - In aicc::parse_config_files() - '.$cmp_file.' has been parsed', 0); |
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} |
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// Distribute cmp params into the aicc object. |
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foreach ($cmp_params as $cmp) { |
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//$oCmp = new aiccCompletionRequirements('config', $cmp); |
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//$this->cmplist[$oCmp->identifier] =& $oCmp; |
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} |
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} |
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} |
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return $this->config; |
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} |
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/** |
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* Import the aicc object (as a result from the parse_config_files function) into the database structure. |
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* |
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* @param string $course_code |
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* |
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* @return bool Returns -1 on error |
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*/ |
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public function import_aicc($course_code) |
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{ |
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$courseInfo = api_get_course_info($course_code); |
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$course_id = $courseInfo['real_id']; |
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if (empty($course_id)) { |
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return false; |
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} |
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if ($this->debug > 0) { |
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error_log('New LP - In aicc::import_aicc('.$course_code.')', 0); |
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} |
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$new_lp = Database::get_course_table(TABLE_LP_MAIN); |
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$new_lp_item = Database::get_course_table(TABLE_LP_ITEM); |
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$get_max = "SELECT MAX(display_order) FROM $new_lp WHERE c_id = $course_id"; |
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$res_max = Database::query($get_max); |
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if (Database::num_rows($res_max) < 1) { |
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$dsp = 1; |
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} else { |
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$row = Database::fetch_array($res_max); |
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$dsp = $row[0] + 1; |
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} |
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$this->config_encoding = "ISO-8859-1"; // TODO: We may apply detection for this value, see the function api_detect_encoding(). |
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$sql = "INSERT INTO $new_lp (c_id, lp_type, name, ref, description, path, force_commit, default_view_mod, default_encoding, js_lib, content_maker,display_order)". |
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"VALUES ". |
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"($course_id, 3, '".$this->course_title."', '".$this->course_id."','".$this->course_description."',". |
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"'".$this->subdir."', 0, 'embedded', '".$this->config_encoding."',". |
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"'aicc_api.php','".$this->course_creator."',$dsp)"; |
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if ($this->debug > 2) { |
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error_log('New LP - In import_aicc(), inserting path: '.$sql, 0); |
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} |
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Database::query($sql); |
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$lp_id = Database::insert_id(); |
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if ($lp_id) { |
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$this->lp_id = $lp_id; |
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/* |
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api_item_property_update( |
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$courseInfo, |
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TOOL_LEARNPATH, |
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$this->lp_id, |
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'LearnpathAdded', |
|
284
|
|
|
api_get_user_id() |
|
285
|
|
|
); |
|
286
|
|
|
|
|
287
|
|
|
api_item_property_update( |
|
288
|
|
|
$courseInfo, |
|
289
|
|
|
TOOL_LEARNPATH, |
|
290
|
|
|
$this->lp_id, |
|
291
|
|
|
'visible', |
|
292
|
|
|
api_get_user_id() |
|
293
|
|
|
);*/ |
|
294
|
|
|
} |
|
295
|
|
|
|
|
296
|
|
|
$previous = 0; |
|
297
|
|
|
foreach ($this->aulist as $identifier => $dummy) { |
|
298
|
|
|
$oAu = &$this->aulist[$identifier]; |
|
299
|
|
|
//echo "Item ".$oAu->identifier; |
|
300
|
|
|
$field_add = ''; |
|
301
|
|
|
$value_add = ''; |
|
302
|
|
|
if (!empty($oAu->masteryscore)) { |
|
303
|
|
|
$field_add = 'mastery_score, '; |
|
304
|
|
|
$value_add = $oAu->masteryscore.','; |
|
305
|
|
|
} |
|
306
|
|
|
$title = $oAu->identifier; |
|
307
|
|
|
if (is_object($this->deslist[$identifier])) { |
|
308
|
|
|
$title = $this->deslist[$identifier]->title; |
|
309
|
|
|
} |
|
310
|
|
|
$path = $oAu->path; |
|
311
|
|
|
//$max_score = $oAu->max_score // TODO: Check if special constraint exists for this item. |
|
312
|
|
|
//$min_score = $oAu->min_score // TODO: Check if special constraint exists for this item. |
|
313
|
|
|
$parent = 0; // TODO: Deal with the parent. |
|
314
|
|
|
$previous = 0; |
|
315
|
|
|
$prereq = $oAu->prereq_string; |
|
316
|
|
|
$sql_item = "INSERT INTO $new_lp_item (c_id, lp_id,item_type,ref,title, path,min_score,max_score, $field_add parent_item_id,previous_item_id,next_item_id, prerequisite,display_order,parameters) ". |
|
317
|
|
|
"VALUES ". |
|
318
|
|
|
"($course_id, $lp_id, 'au','".$oAu->identifier."','".$title."',". |
|
319
|
|
|
"'$path',0,100, $value_add". |
|
320
|
|
|
"$parent, $previous, 0, ". |
|
321
|
|
|
"'$prereq', 0,'".(!empty($oAu->parameters) ? Database::escape_string($oAu->parameters) : '')."'". |
|
322
|
|
|
")"; |
|
323
|
|
|
Database::query($sql_item); |
|
324
|
|
|
if ($this->debug > 1) { |
|
325
|
|
|
error_log('New LP - In aicc::import_aicc() - inserting item : '.$sql_item.' : ', 0); |
|
326
|
|
|
} |
|
327
|
|
|
$item_id = Database::insert_id(); |
|
328
|
|
|
// Now update previous item to change next_item_id. |
|
329
|
|
|
if (0 != $previous) { |
|
330
|
|
|
$upd = "UPDATE $new_lp_item SET next_item_id = $item_id WHERE c_id = $course_id AND id = $previous"; |
|
331
|
|
|
Database::query($upd); |
|
332
|
|
|
// Update the previous item id. |
|
333
|
|
|
} |
|
334
|
|
|
$previous = $item_id; |
|
335
|
|
|
} |
|
336
|
|
|
} |
|
337
|
|
|
|
|
338
|
|
|
/** |
|
339
|
|
|
* Intermediate to import_package only to allow import from local zip files. |
|
340
|
|
|
* |
|
341
|
|
|
* @param string Path to the zip file, from the dokeos sys root |
|
342
|
|
|
* @param string Current path (optional) |
|
343
|
|
|
* |
|
344
|
|
|
* @return string Absolute path to the AICC description files or empty string on error |
|
345
|
|
|
*/ |
|
346
|
|
|
public function import_local_package($file_path, $current_dir = '') |
|
347
|
|
|
{ |
|
348
|
|
|
// TODO: Prepare info as given by the $_FILES[''] vector. |
|
349
|
|
|
$file_info = []; |
|
350
|
|
|
$file_info['tmp_name'] = $file_path; |
|
351
|
|
|
$file_info['name'] = basename($file_path); |
|
352
|
|
|
// Call the normal import_package function. |
|
353
|
|
|
return $this->import_package($file_info, $current_dir); |
|
354
|
|
|
} |
|
355
|
|
|
|
|
356
|
|
|
/** |
|
357
|
|
|
* Imports a zip file (presumably AICC) into the Chamilo structure. |
|
358
|
|
|
* |
|
359
|
|
|
* @param string Zip file info as given by $_FILES['userFile'] |
|
360
|
|
|
* |
|
361
|
|
|
* @return string Absolute path to the AICC config files directory or empty string on error |
|
362
|
|
|
*/ |
|
363
|
|
|
public function import_package($zip_file_info, $current_dir = '') |
|
364
|
|
|
{ |
|
365
|
|
|
if ($this->debug > 0) { |
|
366
|
|
|
error_log('In aicc::import_package('.print_r($zip_file_info, true).',"'.$current_dir.'") method', 0); |
|
|
|
|
|
|
367
|
|
|
} |
|
368
|
|
|
//ini_set('error_log', 'E_ALL'); |
|
369
|
|
|
$maxFilledSpace = 1000000000; |
|
370
|
|
|
$zip_file_path = $zip_file_info['tmp_name']; |
|
371
|
|
|
$zip_file_name = $zip_file_info['name']; |
|
372
|
|
|
|
|
373
|
|
|
if ($this->debug > 0) { |
|
374
|
|
|
error_log( |
|
375
|
|
|
'New LP - aicc::import_package() - Zip file path = '.$zip_file_path.', zip file name = '.$zip_file_name, |
|
376
|
|
|
0 |
|
377
|
|
|
); |
|
378
|
|
|
} |
|
379
|
|
|
$course_rel_dir = api_get_course_path().'/scorm'; // Scorm dir web path starting from /courses |
|
|
|
|
|
|
380
|
|
|
$course_sys_dir = api_get_path(SYS_COURSE_PATH).$course_rel_dir; // The absolute system path of this course. |
|
|
|
|
|
|
381
|
|
|
$current_dir = api_replace_dangerous_char(trim($current_dir)); // Current dir we are in, inside scorm/ |
|
382
|
|
|
if ($this->debug > 0) { |
|
383
|
|
|
error_log('New LP - aicc::import_package() - Current_dir = '.$current_dir, 0); |
|
384
|
|
|
} |
|
385
|
|
|
|
|
386
|
|
|
//$uploaded_filename = $_FILES['userFile']['name']; |
|
387
|
|
|
// Get the name of the zip file without the extension. |
|
388
|
|
|
if ($this->debug > 0) { |
|
389
|
|
|
error_log('New LP - aicc::import_package() - Received zip file name: '.$zip_file_path, 0); |
|
390
|
|
|
} |
|
391
|
|
|
$file_info = pathinfo($zip_file_name); |
|
392
|
|
|
$filename = $file_info['basename']; |
|
393
|
|
|
$extension = $file_info['extension']; |
|
394
|
|
|
$file_base_name = str_replace('.'.$extension, '', $filename); // Filename without its extension. |
|
395
|
|
|
$this->zipname = $file_base_name; // Save for later in case we don't have a title. |
|
396
|
|
|
|
|
397
|
|
|
if ($this->debug > 0) { |
|
398
|
|
|
error_log('New LP - aicc::import_package() - Base file name is : '.$file_base_name, 0); |
|
399
|
|
|
} |
|
400
|
|
|
$new_dir = api_replace_dangerous_char(trim($file_base_name)); |
|
401
|
|
|
$this->subdir = $new_dir; |
|
402
|
|
|
if ($this->debug > 0) { |
|
403
|
|
|
error_log('New LP - aicc::import_package() - Subdir is first set to : '.$this->subdir, 0); |
|
404
|
|
|
} |
|
405
|
|
|
|
|
406
|
|
|
/* |
|
407
|
|
|
if (check_name_exist($course_sys_dir.$current_dir.'/'.$new_dir)) { |
|
408
|
|
|
$dialogBox = get_lang('The operation is impossible, a file with this name already exists.'); |
|
409
|
|
|
$stopping_error = true; |
|
410
|
|
|
} |
|
411
|
|
|
*/ |
|
412
|
|
|
$zipFile = new PclZip($zip_file_path); |
|
413
|
|
|
// Check the zip content (real size and file extension). |
|
414
|
|
|
$zipContentArray = $zipFile->listContent(); |
|
415
|
|
|
|
|
416
|
|
|
$package_type = ''; // The type of the package. Should be 'aicc' after the next few lines. |
|
417
|
|
|
$package = ''; // The basename of the config files (if 'courses.crs' => 'courses'). |
|
418
|
|
|
$at_root = false; // Check if the config files are at zip root. |
|
419
|
|
|
$config_dir = ''; // The directory in which the config files are. May remain empty. |
|
420
|
|
|
$files_found = []; |
|
421
|
|
|
$subdir_isset = false; |
|
422
|
|
|
// The following loop should be stopped as soon as we found the right config files (.crs, .au, .des and .cst). |
|
423
|
|
|
$realFileSize = 0; |
|
424
|
|
|
foreach ($zipContentArray as $thisContent) { |
|
425
|
|
|
if (preg_match('~.(php.*|phtml)$~i', $thisContent['filename'])) { |
|
426
|
|
|
// If a php file is found, do not authorize (security risk). |
|
427
|
|
|
if ($this->debug > 1) { |
|
428
|
|
|
error_log( |
|
429
|
|
|
'New LP - aicc::import_package() - Found unauthorized file: '.$thisContent['filename'] |
|
430
|
|
|
); |
|
431
|
|
|
} |
|
432
|
|
|
Display::addFlash( |
|
433
|
|
|
Display::return_message(get_lang('The zip file can not contain .PHP files')) |
|
434
|
|
|
); |
|
435
|
|
|
|
|
436
|
|
|
return false; |
|
437
|
|
|
} elseif (preg_match('?.*/aicc/$?', $thisContent['filename'])) { |
|
438
|
|
|
// If a directory named 'aicc' is found, package type = aicc, but continue, |
|
439
|
|
|
// because we need to find the right AICC files; |
|
440
|
|
|
if ($this->debug > 1) { |
|
441
|
|
|
error_log('New LP - aicc::import_package() - Found aicc directory: '.$thisContent['filename']); |
|
442
|
|
|
} |
|
443
|
|
|
$package_type = 'aicc'; |
|
444
|
|
|
} else { |
|
445
|
|
|
// else, look for one of the files we're searching for (something.crs case insensitive). |
|
446
|
|
|
$res = []; |
|
447
|
|
|
if (preg_match('?^(.*)\.(crs|au|des|cst|ore|pre|cmp)$?i', $thisContent['filename'], $res)) { |
|
448
|
|
|
if ($this->debug > 1) { |
|
449
|
|
|
error_log( |
|
450
|
|
|
'New LP - aicc::import_package() - Found AICC config file: '.$thisContent['filename'].'. Now splitting: '.$res[1].' and '.$res[2] |
|
451
|
|
|
); |
|
452
|
|
|
} |
|
453
|
|
|
if ($thisContent['filename'] == basename($thisContent['filename'])) { |
|
454
|
|
|
if ($this->debug > 2) { |
|
455
|
|
|
error_log('New LP - aicc::import_package() - '.$thisContent['filename'].' is at root level', 0); |
|
456
|
|
|
} |
|
457
|
|
|
$at_root = true; |
|
458
|
|
|
if (!is_array($files_found[$res[1]])) { |
|
459
|
|
|
$files_found[$res[1]] = $this->config_exts; // Initialise list of expected extensions (defined in class definition). |
|
460
|
|
|
} |
|
461
|
|
|
$files_found[$res[1]][api_strtolower($res[2])] = $thisContent['filename']; |
|
462
|
|
|
$subdir_isset = true; |
|
463
|
|
|
} else { |
|
464
|
|
|
if (!$subdir_isset) { |
|
465
|
|
|
if (preg_match('?^.*/aicc$?i', dirname($thisContent['filename']))) { |
|
466
|
|
|
//echo "Cutting subdir<br/>"; |
|
467
|
|
|
$this->subdir .= '/'.substr(dirname($thisContent['filename']), 0, -5); |
|
468
|
|
|
} else { |
|
469
|
|
|
//echo "Not cutting subdir<br/>"; |
|
470
|
|
|
$this->subdir .= '/'.dirname($thisContent['filename']); |
|
471
|
|
|
} |
|
472
|
|
|
$subdir_isset = true; |
|
473
|
|
|
} |
|
474
|
|
|
if ($this->debug > 2) { |
|
475
|
|
|
error_log('New LP - aicc::import_package() - '.$thisContent['filename'].' is not at root level - recording subdir '.$this->subdir, 0); |
|
476
|
|
|
} |
|
477
|
|
|
$config_dir = dirname($thisContent['filename']); // Just the relative directory inside scorm/ |
|
478
|
|
|
if (!is_array($files_found[basename($res[1])])) { |
|
479
|
|
|
$files_found[basename($res[1])] = $this->config_exts; |
|
480
|
|
|
} |
|
481
|
|
|
$files_found[basename($res[1])][api_strtolower($res[2])] = basename($thisContent['filename']); |
|
482
|
|
|
} |
|
483
|
|
|
$package_type = 'aicc'; |
|
484
|
|
|
} else { |
|
485
|
|
|
if ($this->debug > 3) { |
|
486
|
|
|
error_log('New LP - aicc::import_package() - File '.$thisContent['filename'].' didnt match any check', 0); |
|
487
|
|
|
} |
|
488
|
|
|
} |
|
489
|
|
|
} |
|
490
|
|
|
$realFileSize += $thisContent['size']; |
|
491
|
|
|
} |
|
492
|
|
|
if ($this->debug > 2) { |
|
493
|
|
|
error_log('New LP - aicc::import_package() - $files_found: '.print_r($files_found, true), 0); |
|
|
|
|
|
|
494
|
|
|
} |
|
495
|
|
|
if ($this->debug > 1) { |
|
496
|
|
|
error_log('New LP - aicc::import_package() - Package type is now '.$package_type, 0); |
|
497
|
|
|
} |
|
498
|
|
|
$mandatory = false; |
|
499
|
|
|
foreach ($files_found as $file_name => $file_exts) { |
|
500
|
|
|
$temp = ( |
|
501
|
|
|
!empty($files_found[$file_name]['crs']) |
|
502
|
|
|
&& !empty($files_found[$file_name]['au']) |
|
503
|
|
|
&& !empty($files_found[$file_name]['des']) |
|
504
|
|
|
&& !empty($files_found[$file_name]['cst']) |
|
505
|
|
|
); |
|
506
|
|
|
if ($temp) { |
|
507
|
|
|
if ($this->debug > 1) { |
|
508
|
|
|
error_log('New LP - aicc::import_package() - Found all config files for '.$file_name, 0); |
|
509
|
|
|
} |
|
510
|
|
|
$mandatory = true; |
|
511
|
|
|
$package = $file_name; |
|
512
|
|
|
// Store base config file name for reuse in parse_config_files(). |
|
513
|
|
|
$this->config_basename = $file_name; |
|
514
|
|
|
// Store filenames for reuse in parse_config_files(). |
|
515
|
|
|
$this->config_files = $files_found[$file_name]; |
|
516
|
|
|
// Get out, we only want one config files set. |
|
517
|
|
|
break; |
|
518
|
|
|
} |
|
519
|
|
|
} |
|
520
|
|
|
|
|
521
|
|
|
if ('' == $package_type || !$mandatory) { |
|
522
|
|
|
Display::addFlash( |
|
523
|
|
|
Display::return_message(get_lang('The file to upload is not valid.')) |
|
524
|
|
|
); |
|
525
|
|
|
|
|
526
|
|
|
return false; |
|
527
|
|
|
} |
|
528
|
|
|
|
|
529
|
|
|
/*if (!enough_size($realFileSize, $course_sys_dir, $maxFilledSpace)) { |
|
530
|
|
|
Display::addFlash( |
|
531
|
|
|
Display::return_message(get_lang('The upload has failed. Either you have exceeded your maximum quota, or there is not enough disk space.')) |
|
532
|
|
|
); |
|
533
|
|
|
|
|
534
|
|
|
return false; |
|
535
|
|
|
}*/ |
|
536
|
|
|
|
|
537
|
|
|
// It happens on Linux that $new_dir sometimes doesn't start with '/' |
|
538
|
|
|
if ('/' != $new_dir[0]) { |
|
539
|
|
|
$new_dir = '/'.$new_dir; |
|
540
|
|
|
} |
|
541
|
|
|
// Cut trailing slash. |
|
542
|
|
|
if ('/' == $new_dir[strlen($new_dir) - 1]) { |
|
543
|
|
|
$new_dir = substr($new_dir, 0, -1); |
|
544
|
|
|
} |
|
545
|
|
|
|
|
546
|
|
|
/* Uncompressing phase */ |
|
547
|
|
|
|
|
548
|
|
|
/* |
|
549
|
|
|
We need to process each individual file in the zip archive to |
|
550
|
|
|
- add it to the database |
|
551
|
|
|
- parse & change relative html links |
|
552
|
|
|
- make sure the filenames are secure (filter funny characters or php extensions) |
|
553
|
|
|
*/ |
|
554
|
|
|
if (is_dir($course_sys_dir.$new_dir) || |
|
555
|
|
|
@mkdir($course_sys_dir.$new_dir, api_get_permissions_for_new_directories()) |
|
556
|
|
|
) { |
|
557
|
|
|
// PHP method - slower... |
|
558
|
|
|
if ($this->debug >= 1) { |
|
559
|
|
|
error_log('New LP - Changing dir to '.$course_sys_dir.$new_dir, 0); |
|
560
|
|
|
} |
|
561
|
|
|
chdir($course_sys_dir.$new_dir); |
|
562
|
|
|
$zipFile->extract( |
|
563
|
|
|
PCLZIP_CB_PRE_EXTRACT, |
|
|
|
|
|
|
564
|
|
|
'clean_up_files_in_zip' |
|
565
|
|
|
); |
|
566
|
|
|
} else { |
|
567
|
|
|
return ''; |
|
568
|
|
|
} |
|
569
|
|
|
|
|
570
|
|
|
return $course_sys_dir.$new_dir.$config_dir; |
|
571
|
|
|
} |
|
572
|
|
|
|
|
573
|
|
|
/** |
|
574
|
|
|
* Exports the current AICC object's files as a zip. Excerpts taken from learnpath_functions.inc.php::exportpath(). |
|
575
|
|
|
* |
|
576
|
|
|
* @param int Learnpath ID (optional, taken from object context if not defined) |
|
577
|
|
|
* |
|
578
|
|
|
* @return bool |
|
579
|
|
|
*/ |
|
580
|
|
|
public function export_zip($lp_id = null) |
|
581
|
|
|
{ |
|
582
|
|
|
if ($this->debug > 0) { |
|
583
|
|
|
error_log('In aicc::export_zip method('.$lp_id.')', 0); |
|
584
|
|
|
} |
|
585
|
|
|
if (empty($lp_id)) { |
|
586
|
|
|
if (!is_object($this)) { |
|
587
|
|
|
return false; |
|
588
|
|
|
} else { |
|
589
|
|
|
$id = $this->get_id(); |
|
590
|
|
|
if (empty($id)) { |
|
591
|
|
|
return false; |
|
592
|
|
|
} else { |
|
593
|
|
|
$lp_id = $this->get_id(); |
|
594
|
|
|
} |
|
595
|
|
|
} |
|
596
|
|
|
} |
|
597
|
|
|
// Zip everything that is in the corresponding scorm dir. |
|
598
|
|
|
// Write the zip file somewhere (might be too big to return). |
|
599
|
|
|
$course_id = api_get_course_int_id(); |
|
600
|
|
|
$tbl_lp = Database::get_course_table(TABLE_LP_MAIN); |
|
601
|
|
|
$_course = api_get_course_info(api_get_course_id()); |
|
602
|
|
|
|
|
603
|
|
|
$sql = "SELECT * FROM $tbl_lp WHERE iid= $lp_id"; |
|
604
|
|
|
$result = Database::query($sql); |
|
605
|
|
|
$row = Database::fetch_array($result); |
|
606
|
|
|
$LPname = $row['path']; |
|
607
|
|
|
$list = explode('/', $LPname); |
|
608
|
|
|
$LPnamesafe = $list[0]; |
|
609
|
|
|
$zipfoldername = api_get_path(SYS_COURSE_PATH).$_course['directory'].'/temp/'.$LPnamesafe; |
|
|
|
|
|
|
610
|
|
|
$scormfoldername = api_get_path(SYS_COURSE_PATH).$_course['directory'].'/scorm/'.$LPnamesafe; |
|
611
|
|
|
$zipfilename = $zipfoldername.'/'.$LPnamesafe.'.zip'; |
|
612
|
|
|
|
|
613
|
|
|
// Get a temporary dir for creating the zip file. |
|
614
|
|
|
removeDir($zipfoldername); //make sure the temp dir is cleared |
|
615
|
|
|
mkdir($zipfoldername, api_get_permissions_for_new_directories()); |
|
616
|
|
|
|
|
617
|
|
|
// @todo use ZipFile |
|
618
|
|
|
// Create zipfile of given directory. |
|
619
|
|
|
$zip_folder = new PclZip($zipfilename); |
|
620
|
|
|
$zip_folder->create($scormfoldername.'/', PCLZIP_OPT_REMOVE_PATH, $scormfoldername.'/'); |
|
|
|
|
|
|
621
|
|
|
|
|
622
|
|
|
//this file sending implies removing the default mime-type from php.ini |
|
623
|
|
|
DocumentManager::file_send_for_download($zipfilename, true); |
|
624
|
|
|
|
|
625
|
|
|
return true; |
|
626
|
|
|
} |
|
627
|
|
|
|
|
628
|
|
|
/** |
|
629
|
|
|
* Gets a resource's path if available, otherwise return empty string. |
|
630
|
|
|
* |
|
631
|
|
|
* @param string Resource ID as used in resource array |
|
632
|
|
|
* |
|
633
|
|
|
* @return string The resource's path as declared in config file course.crs |
|
634
|
|
|
*/ |
|
635
|
|
|
public function get_res_path($id) |
|
636
|
|
|
{ |
|
637
|
|
|
if ($this->debug > 0) { |
|
638
|
|
|
error_log('In aicc::get_res_path('.$id.') method', 0); |
|
639
|
|
|
} |
|
640
|
|
|
$path = ''; |
|
641
|
|
|
if (isset($this->resources[$id])) { |
|
|
|
|
|
|
642
|
|
|
$oRes = &$this->resources[$id]; |
|
643
|
|
|
$path = @$oRes->get_path(); |
|
644
|
|
|
} |
|
645
|
|
|
|
|
646
|
|
|
return $path; |
|
647
|
|
|
} |
|
648
|
|
|
|
|
649
|
|
|
/** |
|
650
|
|
|
* Gets a resource's type if available, otherwise return empty string. |
|
651
|
|
|
* |
|
652
|
|
|
* @param string Resource ID as used in resource array |
|
653
|
|
|
* |
|
654
|
|
|
* @return string The resource's type as declared in the assignable unit (.au) file |
|
655
|
|
|
*/ |
|
656
|
|
|
public function get_res_type($id) |
|
657
|
|
|
{ |
|
658
|
|
|
if ($this->debug > 0) { |
|
659
|
|
|
error_log('In aicc::get_res_type('.$id.') method', 0); |
|
660
|
|
|
} |
|
661
|
|
|
$type = ''; |
|
662
|
|
|
if (isset($this->resources[$id])) { |
|
|
|
|
|
|
663
|
|
|
$oRes = &$this->resources[$id]; |
|
664
|
|
|
$temptype = $oRes->get_scorm_type(); |
|
665
|
|
|
if (!empty($temptype)) { |
|
666
|
|
|
$type = $temptype; |
|
667
|
|
|
} |
|
668
|
|
|
} |
|
669
|
|
|
|
|
670
|
|
|
return $type; |
|
671
|
|
|
} |
|
672
|
|
|
|
|
673
|
|
|
/** |
|
674
|
|
|
* Gets the default organisation's title. |
|
675
|
|
|
* |
|
676
|
|
|
* @return string The organization's title |
|
677
|
|
|
*/ |
|
678
|
|
|
public function get_title() |
|
679
|
|
|
{ |
|
680
|
|
|
if ($this->debug > 0) { |
|
681
|
|
|
error_log('In aicc::get_title() method', 0); |
|
682
|
|
|
} |
|
683
|
|
|
$title = ''; |
|
684
|
|
|
if (isset($this->config['organizations']['default'])) { |
|
685
|
|
|
$title = $this->organizations[$this->config['organizations']['default']]->get_name(); |
|
|
|
|
|
|
686
|
|
|
} elseif (1 == count($this->organizations)) { |
|
687
|
|
|
// This will only get one title but so we don't need to know the index. |
|
688
|
|
|
foreach ($this->organizations as $id => $value) { |
|
689
|
|
|
$title = $this->organizations[$id]->get_name(); |
|
690
|
|
|
break; |
|
691
|
|
|
} |
|
692
|
|
|
} |
|
693
|
|
|
|
|
694
|
|
|
return $title; |
|
695
|
|
|
} |
|
696
|
|
|
|
|
697
|
|
|
/** |
|
698
|
|
|
* TODO: Implement this function to restore items data from a set of AICC config files, |
|
699
|
|
|
* updating the existing table... This will prove very useful in case initial data |
|
700
|
|
|
* from config files were not imported well enough. |
|
701
|
|
|
*/ |
|
702
|
|
|
public function reimport_aicc() |
|
703
|
|
|
{ |
|
704
|
|
|
if ($this->debug > 0) { |
|
705
|
|
|
error_log('In aicc::reimport_aicc() method', 0); |
|
706
|
|
|
} |
|
707
|
|
|
//query current items list |
|
708
|
|
|
//get the identifiers |
|
709
|
|
|
//parse the config files |
|
710
|
|
|
//match both |
|
711
|
|
|
//update DB accordingly |
|
712
|
|
|
return true; |
|
713
|
|
|
} |
|
714
|
|
|
|
|
715
|
|
|
/** |
|
716
|
|
|
* Static function to parse AICC ini files. |
|
717
|
|
|
* Based on work by sinedeo at gmail dot com published on php.net (parse_ini_file()). |
|
718
|
|
|
* |
|
719
|
|
|
* @param string File path |
|
720
|
|
|
* |
|
721
|
|
|
* @return array Structured array |
|
722
|
|
|
*/ |
|
723
|
|
|
public function parse_ini_file_quotes_safe($f) |
|
724
|
|
|
{ |
|
725
|
|
|
$null = ''; |
|
726
|
|
|
$r = $null; |
|
727
|
|
|
$sec = $null; |
|
728
|
|
|
$f = @file_get_contents($f); |
|
729
|
|
|
$f = api_convert_encoding($f, api_get_system_encoding(), $this->config_encoding); |
|
730
|
|
|
$f = preg_split('/\r?\n/', $f); |
|
731
|
|
|
for ($i = 0; $i < @count($f); $i++) { |
|
732
|
|
|
$newsec = 0; |
|
733
|
|
|
$w = @trim($f[$i]); |
|
734
|
|
|
if (';' == substr($w, 0, 1)) { |
|
735
|
|
|
// Ignore comment lines |
|
736
|
|
|
continue; |
|
737
|
|
|
} |
|
738
|
|
|
if ($w) { |
|
739
|
|
|
if ((!$r) or ($sec)) { |
|
740
|
|
|
if (('[' == @substr($w, 0, 1)) and ']' == (@substr($w, -1, 1))) { |
|
741
|
|
|
$sec = @substr($w, 1, @strlen($w) - 2); |
|
742
|
|
|
$newsec = 1; |
|
743
|
|
|
} |
|
744
|
|
|
} |
|
745
|
|
|
if (!$newsec) { |
|
746
|
|
|
$w = @explode('=', $w); |
|
747
|
|
|
$k = @trim($w[0]); |
|
748
|
|
|
unset($w[0]); |
|
749
|
|
|
$v = @trim(@implode('=', $w)); |
|
750
|
|
|
if (("\"" == @substr($v, 0, 1)) and ("\"" == @substr($v, -1, 1))) { |
|
751
|
|
|
$v = @substr($v, 1, @strlen($v) - 2); |
|
752
|
|
|
} |
|
753
|
|
|
if ($sec) { |
|
754
|
|
|
if ('course_description' == api_strtolower($sec)) { // A special case. |
|
755
|
|
|
$r[api_strtolower($sec)] = $k; |
|
756
|
|
|
} else { |
|
757
|
|
|
$r[api_strtolower($sec)][api_strtolower($k)] = $v; |
|
758
|
|
|
} |
|
759
|
|
|
} else { |
|
760
|
|
|
$r[api_strtolower($k)] = $v; |
|
761
|
|
|
} |
|
762
|
|
|
} |
|
763
|
|
|
} |
|
764
|
|
|
} |
|
765
|
|
|
|
|
766
|
|
|
return $r; |
|
767
|
|
|
} |
|
768
|
|
|
|
|
769
|
|
|
/** |
|
770
|
|
|
* Static function to parse AICC ini strings. |
|
771
|
|
|
* Based on work by sinedeo at gmail dot com published on php.net (parse_ini_file()). |
|
772
|
|
|
* |
|
773
|
|
|
* @param string INI File string |
|
774
|
|
|
* @param array List of names of sections that should be considered |
|
775
|
|
|
* as containing only hard string data (no variables), provided in lower case |
|
776
|
|
|
* |
|
777
|
|
|
* @return array Structured array |
|
778
|
|
|
*/ |
|
779
|
|
|
public function parse_ini_string_quotes_safe($s, $pure_strings = []) |
|
780
|
|
|
{ |
|
781
|
|
|
$null = ''; |
|
782
|
|
|
$r = $null; |
|
783
|
|
|
$sec = $null; |
|
784
|
|
|
$s = api_convert_encoding($s, api_get_system_encoding(), $this->config_encoding); |
|
785
|
|
|
//$f = split("\r\n", $s); |
|
786
|
|
|
$f = preg_split('/\r?\n/', $s); |
|
787
|
|
|
for ($i = 0; $i < @count($f); $i++) { |
|
788
|
|
|
$newsec = 0; |
|
789
|
|
|
$w = @trim($f[$i]); |
|
790
|
|
|
if (';' == substr($w, 0, 1)) { |
|
791
|
|
|
// Ignore comment lines |
|
792
|
|
|
continue; |
|
793
|
|
|
} |
|
794
|
|
|
if ($w) { |
|
795
|
|
|
if ((!$r) or ($sec)) { |
|
796
|
|
|
if (('[' == @substr($w, 0, 1)) and ']' == (@substr($w, -1, 1))) { |
|
797
|
|
|
$sec = @substr($w, 1, @strlen($w) - 2); |
|
798
|
|
|
$pure_data = 0; |
|
799
|
|
|
if (in_array(api_strtolower($sec), $pure_strings)) { |
|
800
|
|
|
// This section can only be considered as pure string data (until the next section). |
|
801
|
|
|
$pure_data = 1; |
|
802
|
|
|
$r[api_strtolower($sec)] = ''; |
|
803
|
|
|
} |
|
804
|
|
|
$newsec = 1; |
|
805
|
|
|
} |
|
806
|
|
|
} |
|
807
|
|
|
if (!$newsec) { |
|
808
|
|
|
$w = @explode('=', $w); |
|
809
|
|
|
$k = @trim($w[0]); |
|
810
|
|
|
unset($w[0]); |
|
811
|
|
|
$v = @trim(@implode('=', $w)); |
|
812
|
|
|
if (("\"" == @substr($v, 0, 1)) and ("\"" == @substr($v, -1, 1))) { |
|
813
|
|
|
$v = @substr($v, 1, @strlen($v) - 2); |
|
814
|
|
|
} |
|
815
|
|
|
if ($sec) { |
|
816
|
|
|
if ($pure_data) { |
|
|
|
|
|
|
817
|
|
|
$r[api_strtolower($sec)] .= $f[$i]; |
|
818
|
|
|
} else { |
|
819
|
|
|
if ('course_description' == api_strtolower($sec)) { // A special case. |
|
820
|
|
|
$r[api_strtolower($sec)] = $k; |
|
821
|
|
|
} else { |
|
822
|
|
|
$r[api_strtolower($sec)][api_strtolower($k)] = $v; |
|
823
|
|
|
} |
|
824
|
|
|
} |
|
825
|
|
|
} else { |
|
826
|
|
|
$r[api_strtolower($k)] = $v; |
|
827
|
|
|
} |
|
828
|
|
|
} |
|
829
|
|
|
} |
|
830
|
|
|
} |
|
831
|
|
|
|
|
832
|
|
|
return $r; |
|
833
|
|
|
} |
|
834
|
|
|
|
|
835
|
|
|
/** |
|
836
|
|
|
* Static function that parses CSV files into simple arrays, based on a function |
|
837
|
|
|
* by spam at cyber-space dot nl published on php.net (fgetcsv()). |
|
838
|
|
|
* |
|
839
|
|
|
* @param string Filepath |
|
840
|
|
|
* @param string CSV delimiter |
|
841
|
|
|
* @param string CSV enclosure |
|
842
|
|
|
* @param bool Might one field name happen more than once on the same line? (then split by comma in the values) |
|
843
|
|
|
* |
|
844
|
|
|
* @return array Simple structured array |
|
845
|
|
|
*/ |
|
846
|
|
|
public function parse_csv_file($f, $delim = ',', $enclosure = '"', $multiples = false) |
|
847
|
|
|
{ |
|
848
|
|
|
$data = @file_get_contents($f); |
|
849
|
|
|
$data = api_convert_encoding($data, api_get_system_encoding(), $this->config_encoding); |
|
850
|
|
|
$enclosed = false; |
|
851
|
|
|
$fldcount = 0; |
|
852
|
|
|
$linecount = 0; |
|
853
|
|
|
$fldval = ''; |
|
854
|
|
|
for ($i = 0; $i < strlen($data); $i++) { |
|
855
|
|
|
$chr = $data[$i]; |
|
856
|
|
|
switch ($chr) { |
|
857
|
|
|
case $enclosure: |
|
858
|
|
|
if ($enclosed && $data[$i + 1] == $enclosure) { |
|
859
|
|
|
$fldval .= $chr; |
|
860
|
|
|
$i++; // Skip the next character. |
|
861
|
|
|
} else { |
|
862
|
|
|
$enclosed = !$enclosed; |
|
863
|
|
|
} |
|
864
|
|
|
break; |
|
865
|
|
|
case $delim: |
|
866
|
|
|
if (!$enclosed) { |
|
867
|
|
|
$ret_array[$linecount][$fldcount++] = $fldval; |
|
868
|
|
|
$fldval = ''; |
|
869
|
|
|
} else { |
|
870
|
|
|
$fldval .= $chr; |
|
871
|
|
|
} |
|
872
|
|
|
break; |
|
873
|
|
|
case "\r": |
|
874
|
|
|
if (!$enclosed && "\n" == $data[$i + 1]) { |
|
875
|
|
|
break; |
|
876
|
|
|
} |
|
877
|
|
|
// no break |
|
878
|
|
|
case "\n": |
|
879
|
|
|
if (!$enclosed) { |
|
880
|
|
|
$ret_array[$linecount++][$fldcount] = $fldval; |
|
881
|
|
|
$fldcount = 0; |
|
882
|
|
|
$fldval = ''; |
|
883
|
|
|
} else { |
|
884
|
|
|
$fldval .= $chr; |
|
885
|
|
|
} |
|
886
|
|
|
break; |
|
887
|
|
|
case "\\r": |
|
888
|
|
|
if (!$enclosed && "\\n" == $data[$i + 1]) { |
|
889
|
|
|
break; |
|
890
|
|
|
} |
|
891
|
|
|
// no break |
|
892
|
|
|
case "\\n": |
|
893
|
|
|
if (!$enclosed) { |
|
894
|
|
|
$ret_array[$linecount++][$fldcount] = $fldval; |
|
895
|
|
|
$fldcount = 0; |
|
896
|
|
|
$fldval = ''; |
|
897
|
|
|
} else { |
|
898
|
|
|
$fldval .= $chr; |
|
899
|
|
|
} |
|
900
|
|
|
break; |
|
901
|
|
|
default: |
|
902
|
|
|
$fldval .= $chr; |
|
903
|
|
|
} |
|
904
|
|
|
} |
|
905
|
|
|
if ($fldval) { |
|
906
|
|
|
$ret_array[$linecount][$fldcount] = $fldval; |
|
907
|
|
|
} |
|
908
|
|
|
// Transform the array to use the first line as titles. |
|
909
|
|
|
$titles = []; |
|
910
|
|
|
$ret_ret_array = []; |
|
911
|
|
|
foreach ($ret_array as $line_idx => $line) { |
|
|
|
|
|
|
912
|
|
|
if (0 == $line_idx) { |
|
913
|
|
|
$titles = $line; |
|
914
|
|
|
} else { |
|
915
|
|
|
$ret_ret_array[$line_idx] = []; |
|
916
|
|
|
foreach ($line as $idx => $val) { |
|
917
|
|
|
if ($multiples && !empty($ret_ret_array[$line_idx][api_strtolower($titles[$idx])])) { |
|
918
|
|
|
$ret_ret_array[$line_idx][api_strtolower($titles[$idx])] .= ','.$val; |
|
919
|
|
|
} else { |
|
920
|
|
|
$ret_ret_array[$line_idx][api_strtolower($titles[$idx])] = $val; |
|
921
|
|
|
} |
|
922
|
|
|
} |
|
923
|
|
|
} |
|
924
|
|
|
} |
|
925
|
|
|
|
|
926
|
|
|
return $ret_ret_array; |
|
927
|
|
|
} |
|
928
|
|
|
} |
|
929
|
|
|
|
chamilo /
chamilo-lms
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