/**
* Invoke method, every class will have its own
* returns true/false on completion, setting both
* errormsg and output as necessary
*/
function invoke()
{
parent::invoke();
$result = true;
/// Set own core attributes
$this->does_generate = ACTION_NONE;
//$this->does_generate = ACTION_GENERATE_HTML;
/// These are always here
global $CFG, $XMLDB;
/// Do the job, setting $result as needed
/// Lets go to add all the db directories available inside Moodle
/// Create the array if it doesn't exists
if (!isset($XMLDB->dbdirs)) {
$XMLDB->dbdirs = array();
}
/// get list of all dirs and create objects with status
$db_direcotries = get_db_directories();
foreach ($db_direcotries as $path) {
$dbdir = new stdClass();
$dbdir->path = $path;
if (!isset($XMLDB->dbdirs[$dbdir->path])) {
$XMLDB->dbdirs[$dbdir->path] = $dbdir;
}
$XMLDB->dbdirs[$dbdir->path]->path_exists = file_exists($dbdir->path);
//Update status
}
/// Sort by key
ksort($XMLDB->dbdirs);
/// Return ok if arrived here
return true;
}
/**
* Invoke method, every class will have its own
* returns true/false on completion, setting both
* errormsg and output as necessary
*/
function invoke()
{
parent::invoke();
$result = true;
/// Set own core attributes
$this->does_generate = ACTION_GENERATE_HTML;
/// These are always here
global $CFG, $XMLDB;
/// Do the job, setting $result as needed
/// Add link back to home
$b = ' <p class="centerpara buttons">';
$b .= ' <a href="index.php?action=main_view#lastused">[' . $this->str['backtomainview'] . ']</a>';
$b .= '</p>';
$this->output = $b;
$c = ' <p class="centerpara">';
$c .= $this->str['documentationintro'];
$c .= '</p>';
$this->output .= $c;
$this->docs = '';
if (class_exists('XSLTProcessor')) {
$doc = new DOMDocument();
$xsl = new XSLTProcessor();
$doc->load(dirname(__FILE__) . '/../generate_documentation/xmldb.xsl');
$xsl->importStyleSheet($doc);
$dbdirs = get_db_directories();
sort($dbdirs);
$index = $this->str['docindex'] . ' ';
foreach ($dbdirs as $path) {
if (!file_exists($path . '/install.xml')) {
continue;
}
$dir = trim(dirname(str_replace($CFG->dirroot, '', $path)), '/');
$index .= '<a href="#file_' . str_replace('/', '_', $dir) . '">' . $dir . '</a>, ';
$this->docs .= '<div class="file" id="file_' . str_replace('/', '_', $dir) . '">';
$this->docs .= '<h2>' . $dir . '</h2>';
$doc->load($path . '/install.xml');
$this->docs .= $xsl->transformToXML($doc);
$this->docs .= '</div>';
}
$this->output .= '<div id="file_idex">' . trim($index, ' ,') . '</div>' . $this->docs;
$this->output .= $b;
} else {
$this->output .= get_string('extensionrequired', 'tool_xmldb', 'xsl');
}
/// Launch postaction if exists (leave this unmodified)
if ($this->getPostAction() && $result) {
return $this->launch($this->getPostAction());
}
return $result;
}
/**
* Returns names of all known tables == tables that moodle knowns about.
* @return array of lowercase table names
*/
function get_used_table_names()
{
$table_names = array();
$dbdirs = get_db_directories();
foreach ($dbdirs as $dbdir) {
$file = $dbdir . '/install.xml';
$xmldb_file = new xmldb_file($file);
if (!$xmldb_file->fileExists()) {
continue;
}
$loaded = $xmldb_file->loadXMLStructure();
$structure = $xmldb_file->getStructure();
if ($loaded and $tables = $structure->getTables()) {
foreach ($tables as $table) {
$table_names[] = strtolower($table->name);
}
}
}
return $table_names;
}
/**
* Reads the install.xml files for Moodle core and modules and returns an array of
* xmldb_structure object with xmldb_table from these files.
* @return xmldb_structure schema from install.xml files
*/
public function get_install_xml_schema()
{
global $CFG;
require_once $CFG->libdir . '/adminlib.php';
$schema = new xmldb_structure('export');
$schema->setVersion($CFG->version);
$dbdirs = get_db_directories();
foreach ($dbdirs as $dbdir) {
$xmldb_file = new xmldb_file($dbdir . '/install.xml');
if (!$xmldb_file->fileExists() or !$xmldb_file->loadXMLStructure()) {
continue;
}
$structure = $xmldb_file->getStructure();
$tables = $structure->getTables();
foreach ($tables as $table) {
$table->setPrevious(null);
$table->setNext(null);
$schema->addTable($table);
}
}
return $schema;
}
