. /** * @package tool_xmldb * @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com} * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ /** * This class will ask and retrofit all the information from one * mysql table present in the Moodle DB to one xmldb_table structure * * @package tool_xmldb * @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com} * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class new_table_from_mysql extends XMLDBAction { /** * Init method, every subclass will have its own */ function init() { parent::init(); // Set own custom attributes // Get needed strings $this->loadStrings(array( 'createtable' => 'tool_xmldb', 'aftertable' => 'tool_xmldb', 'create' => 'tool_xmldb', 'back' => 'tool_xmldb' )); } /** * 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, $DB, $OUTPUT; // Do the job, setting result as needed // Get the dir containing the file $dirpath = required_param('dir', PARAM_PATH); $dirpath = $CFG->dirroot . $dirpath; // Get the correct dirs if (!empty($XMLDB->dbdirs)) { $dbdir = $XMLDB->dbdirs[$dirpath]; } else { return false; } if (!empty($XMLDB->editeddirs)) { $editeddir = $XMLDB->editeddirs[$dirpath]; $structure = $editeddir->xml_file->getStructure(); } $tableparam = optional_param('table', NULL, PARAM_CLEAN); // If no table, show form if (!$tableparam) { // No postaction here $this->postaction = NULL; // Get list of tables $dbtables = $DB->get_tables(); $selecttables = array(); foreach ($dbtables as $dbtable) { $i = $structure->findTableInArray($dbtable); if ($i === NULL) { $selecttables[$dbtable] = $dbtable; } } // Get list of after tables $aftertables = array(); if ($tables = $structure->getTables()) { foreach ($tables as $aftertable) { $aftertables[$aftertable->getName()] = $aftertable->getName(); } } if (!$selecttables) { $this->errormsg = 'No tables available to be retrofitted'; return false; } // Now build the form $o = '
'; $o .= '
'; $o.= ' '; $o.= ' '; $o.= ' '; $o.= ' '; $o.= ' '; $o.= ' '; $o.= ' '; $o.= ' '; $o.= '
' . html_writer::select($selecttables, 'table') . '' .html_writer::select($aftertables, 'after') . '
[' . $this->str['back'] . ']
'; $o.= '
'; $this->output = $o; // If table, retrofit information and, if everything works, // go to the table edit action } else { // Get some params (table is mandatory here) $tableparam = required_param('table', PARAM_CLEAN); $afterparam = required_param('after', PARAM_CLEAN); // Create one new xmldb_table $table = new xmldb_table(strtolower(trim($tableparam))); $table->setComment($table->getName() . ' table retrofitted from MySQL'); // Get fields info from ADODb $dbfields = $DB->get_columns($tableparam); if ($dbfields) { foreach ($dbfields as $dbfield) { // Create new XMLDB field $field = new xmldb_field($dbfield->name); // Set field with info retrofitted $field->setFromADOField($dbfield); // Add field to the table $table->addField($field); } } // Get PK, UK and indexes info from ADODb $dbindexes = $DB->get_indexes($tableparam); if ($dbindexes) { $lastkey = NULL; //To temp store the last key processed foreach ($dbindexes as $indexname => $dbindex) { // Add the indexname to the array $dbindex['name'] = $indexname; // We are handling one xmldb_key (primaries + uniques) if ($dbindex['unique']) { $key = new xmldb_key(strtolower($dbindex['name'])); // Set key with info retrofitted $key->setFromADOKey($dbindex); // Set default comment to PKs if ($key->getType() == XMLDB_KEY_PRIMARY) { } // Add key to the table $table->addKey($key); // We are handling one xmldb_index (non-uniques) } else { $index = new xmldb_index(strtolower($dbindex['name'])); // Set index with info retrofitted $index->setFromADOIndex($dbindex); // Add index to the table $table->addIndex($index); } } } // Finally, add the whole retroffited table to the structure // in the place specified $structure->addTable($table, $afterparam); } // Launch postaction if exists (leave this here!) if ($this->getPostAction() && $result) { return $this->launch($this->getPostAction()); } // Return ok if arrived here return $result; } }