forked from extern/egroupware
313 lines
8.5 KiB
PHP
313 lines
8.5 KiB
PHP
<?php
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/**
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* eGroupWare importexport
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package importexport
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* @link http://www.egroupware.org
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* @author Cornelius Weiss <nelius@cwtech.de>
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* @copyright Cornelius Weiss <nelius@cwtech.de>
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* @version $Id$
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*/
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/**
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* class definition
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*
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* definitions are ojects with all nessesary information to do
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* complete import or export. All options needed for an explicit {Im|Ex}port
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* are in one assiozative array which is complely managed by {Im|Ex}port plugins
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* @todo testing
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*/
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class importexport_definition implements importexport_iface_egw_record {
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const _appname = 'importexport';
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const _defintion_talbe = 'egw_importexport_definitions';
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private $attributes = array(
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'definition_id' => 'string',
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'name' => 'string',
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'application' => 'string',
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'plugin' => 'string',
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'type' => 'string',
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'allowed_users' => 'array',
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'plugin_options' => 'array',
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'owner' => 'int',
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'description' => 'string',
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'modified' => 'timestamp'
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);
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/**
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* @var so_sql holds so_sql object
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*/
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private $so_sql;
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/**
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* @var array internal representation of definition
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*/
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private $definition = array();
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/**
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* @var int holds current user
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*/
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private $user;
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/**
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* @var bool is current user an admin?
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*/
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private $is_admin;
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/**
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* constructor
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* reads record from backend if identifier is given.
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*
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* @param string $_identifier
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*/
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public function __construct( $_identifier='' ) {
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$this->so_sql = new so_sql(self::_appname ,self::_defintion_talbe);
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$this->user = $GLOBALS['egw_info']['user']['user_id'];
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$this->is_admin = $GLOBALS['egw_info']['user']['apps']['admin'] ? true : false;
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// compability to string identifiers
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if (is_string($_identifier) && strlen($_identifier) > 3) $_identifier = $this->name2identifier($_identifier);
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if ((int)$_identifier != 0) {
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$this->definition = $this->so_sql->read(array('definition_id' => $_identifier));
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if ( empty( $this->definition ) ) {
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throw new Exception('Error: No such definition with identifier :"'.$_identifier.'"!');
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}
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if ( !( importexport_definitions_bo::is_permitted($this->get_record_array()) || $this->is_admin)) {
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throw new Exception('Error: User "'.$this->user.'" is not permitted to get definition with identifier "'.$_identifier.'"!');
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}
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$options_data = importexport_arrayxml::xml2array( $this->definition['plugin_options'] );
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$this->definition['plugin_options'] = $options_data['root'];
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}
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}
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/**
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* compability function for string identifiers e.g. used by cli
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*
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* @param string $_name
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* @return int
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*/
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private function name2identifier( $_name ) {
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$identifiers = $this->so_sql->search(array('name' => $_name),true);
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if (isset($identifiers[1])) {
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throw new Exception('Error: Definition: "'.$_name. '" is not unique! Can\'t convert to identifier');
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}
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if ( empty( $identifiers[0] ) ) {
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// not a good idea, till we don't have different exceptions so far
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// throw new Exception('Error: No such definition :"'.$_name.'"!');
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$identifiers = array( array( 'definition_id' => 0 ) );
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}
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return $identifiers[0]['definition_id'];
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}
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public function __get($_attribute_name) {
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if (!array_key_exists($_attribute_name,$this->attributes)) {
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throw new Exception('Error: "'. $_attribute_name. '" is not an attribute defintion');
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}
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switch ($_attribute_name) {
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case 'allowed_users' :
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return $this->get_allowed_users();
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case 'plugin_options' :
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return $this->get_options();
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default :
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return $this->definition[$_attribute_name];
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}
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}
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public function __set($_attribute_name,$_data) {
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if (!array_key_exists($_attribute_name,$this->attributes)) {
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throw new Exception('Error: "'. $_attribute_name. '" is not an attribute defintion');
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}
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switch ($_attribute_name) {
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case 'allowed_users' :
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return $this->set_allowed_users($_data);
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case 'plugin_options' :
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return $this->set_options($_data);
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default :
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$this->definition[$_attribute_name] = $_data;
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return;
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}
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}
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/**
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* gets users who are allowd to use this definition
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*
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* @return array
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*/
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private function get_allowed_users() {
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return explode(',',substr($this->definition['allowed_users'],1,-1));
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}
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/**
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* sets allowed users
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*
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* @param array $_allowed_users
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*/
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private function set_allowed_users( $_allowed_users ) {
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$this->definition['allowed_users'] = ','.implode(',',(array)$_allowed_users) .',';
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}
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/**
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* gets options
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*
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* @return array
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*/
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private function get_options() {
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return $this->definition['plugin_options'];
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}
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/**
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* sets options
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*
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* @param array $options
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*/
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private function set_options(array $_plugin_options) {
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$this->definition['plugin_options'] = $_plugin_options;
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}
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/**
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* converts this object to array.
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* @abstract We need such a function cause PHP5
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* dosn't allow objects do define it's own casts :-(
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* once PHP can deal with object casts we will change to them!
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*
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* @return array complete record as associative array
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*/
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public function get_record_array() {
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$definition = $this->definition;
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$definition['allowed_users'] = $this->get_allowed_users();
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$definition['plugin_options'] = $this->get_options();
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return $definition;
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}
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/**
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* gets title of record
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*
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*@return string tiltle
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*/
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public function get_title() {
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return $this->definition['name'];
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}
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/**
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* sets complete record from associative array
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*
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* @return void
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*/
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public function set_record( array $_record ) {
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$this->definition = array_intersect_key( $_record, $this->attributes );
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// anything which is not an attribute is perhaps a plugin_option.
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// If not, it gets whiped out on save time.
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foreach ( $_record as $attribute => $value) {
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if ( !array_key_exists( $attribute, $this->attributes ) ) {
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$this->definition['plugin_options'][$attribute] = $value;
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}
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}
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$this->plugin = $_record['plugin'];
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// convert plugin_options into internal representation
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$this->set_allowed_users( $this->definition['allowed_users'] );
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$this->set_options( $this->definition['plugin_options'] ? $this->definition['plugin_options'] : array());
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}
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/**
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* gets identifier of this record
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*
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* @return int identifier of this record
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*/
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public function get_identifier() {
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return $this->definition['definition_id'];
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}
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/**
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* saves record into backend
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*
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* @return string identifier
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*/
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public function save ( $_dst_identifier ) {
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if ( strlen($this->definition['name']) < 3 ) {
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throw new Exception('Error: Can\'t save definition, no valid name given!');
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}
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$this->so_sql->data = $this->definition;
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$this->so_sql->data['plugin_options'] = importexport_arrayxml::array2xml( $this->definition['plugin_options'] );
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$this->so_sql->data['modified'] = time();
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if ($this->so_sql->save( array( 'definition_id' => $_dst_identifier ))) {
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throw new Exception('Error: so_sql was not able to save definition: '.$this->get_identifier());
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}
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return $this->definition['definition_id'];
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}
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/**
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* copys current record to record identified by $_dst_identifier
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*
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* @param string $_dst_identifier
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* @return string dst_identifier
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*/
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public function copy ( $_dst_identifier ) {
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$dst_object = clone $this;
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try {
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$dst_object->set_owner($this->user);
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$dst_identifier = $dst_object->save($_dst_identifier);
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}
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catch(exception $Exception) {
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unset($dst_object);
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throw $Exception;
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}
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unset ($dst_object);
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return $dst_identifier;
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}
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/**
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* moves current record to record identified by $_dst_identifier
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* $this will become moved record
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*
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* @param string $_dst_identifier
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* @return string dst_identifier
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*/
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public function move ( $_dst_identifier ) {
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if ($this->user != $this->get_owner() && !$this->is_admin) {
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throw('Error: User '. $this->user. 'does not have permissions to move definition '.$this->get_identifier());
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}
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$old_object = clone $this;
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try {
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$dst_identifier = $this->save($_dst_identifier);
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$old_object->delete();
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}
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catch(exception $Exception) {
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unset($old_object);
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throw $Exception;
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}
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unset($old_object);
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return $dst_identifier;
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}
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/**
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* delets current record from backend
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* @return void
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*
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*/
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public function delete () {
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if($this->user != $this->get_owner() && !$this->is_admin) {
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throw('Error: User '. $this->user. 'does not have permissions to delete definition '.$this->get_identifier());
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}
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if(!$this->so_sql->delete()) {
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throw('Error: so_sql was not able to delete definition: '.$this->get_identifier());
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}
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}
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/**
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* destructor
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*
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*/
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public function __destruct() {
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unset($this->so_sql);
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}
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}
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