forked from extern/egroupware
313 lines
8.3 KiB
PHP
313 lines
8.3 KiB
PHP
<?php
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/**
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* eGroupWare import CSV plugin to import resources
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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 resources
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* @subpackage importexport
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* @link http://www.egroupware.org
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* @author Nathan Gray
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* @copyright Nathan Gray
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* @version $Id$
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*/
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/**
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* class to import resources from CSV
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*/
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class resources_import_csv implements importexport_iface_import_plugin {
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private static $plugin_options = array(
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'fieldsep', // char
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'charset', // string
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'contact_owner', // int
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'update_cats', // string {override|add} overides record
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// with cat(s) from csv OR add the cat from
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// csv file to exeisting cat(s) of record
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'num_header_lines', // int number of header lines
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'field_conversion', // array( $csv_col_num => conversion)
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'field_mapping', // array( $csv_col_num => adb_filed)
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'conditions', /* => array containing condition arrays:
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'type' => exists, // exists
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'string' => '#kundennummer',
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'true' => array(
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'action' => update,
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'last' => true,
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),
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'false' => array(
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'action' => insert,
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'last' => true,
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),*/
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);
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/**
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* actions wich could be done to data entries
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*/
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protected static $actions = array( 'none', 'update', 'insert', 'delete', );
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/**
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* conditions for actions
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*
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* @var array
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*/
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protected static $conditions = array( 'exists' );
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/**
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* @var definition
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*/
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private $definition;
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/**
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* @var bo
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*/
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private $bo;
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/**
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* @var bool
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*/
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private $dry_run = false;
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/**
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* @var bool is current user admin?
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*/
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private $is_admin = false;
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/**
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* @var int
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*/
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private $user = null;
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/**
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* List of import errors
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*/
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protected $errors = array();
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/**
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* List of actions, and how many times that action was taken
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*/
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protected $results = array();
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/**
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* imports entries according to given definition object.
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* @param resource $_stream
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* @param string $_charset
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* @param definition $_definition
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*/
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public function import( $_stream, importexport_definition $_definition ) {
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$import_csv = new importexport_import_csv( $_stream, array(
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'fieldsep' => $_definition->plugin_options['fieldsep'],
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'charset' => $_definition->plugin_options['charset'],
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));
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$this->definition = $_definition;
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// user, is admin ?
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$this->is_admin = isset( $GLOBALS['egw_info']['user']['apps']['admin'] ) && $GLOBALS['egw_info']['user']['apps']['admin'];
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$this->user = $GLOBALS['egw_info']['user']['account_id'];
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// dry run?
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$this->dry_run = isset( $_definition->plugin_options['dry_run'] ) ? $_definition->plugin_options['dry_run'] : false;
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// fetch the resource bo
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$this->bo = CreateObject('resources.bo_resources');
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// set FieldMapping.
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$import_csv->mapping = $_definition->plugin_options['field_mapping'];
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// set FieldConversion
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$import_csv->conversion = $_definition->plugin_options['field_conversion'];
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//check if file has a header lines
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if ( isset( $_definition->plugin_options['num_header_lines'] ) && $_definition->plugin_options['num_header_lines'] > 0) {
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$import_csv->skip_records($_definition->plugin_options['num_header_lines']);
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} elseif(isset($_definition->plugin_options['has_header_line']) && $_definition->plugin_options['has_header_line']) {
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// First method is preferred
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$import_csv->skip_records(1);
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}
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// Start counting successes
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$count = 0;
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$this->results = array();
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// Failures
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$this->errors = array();
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while ( $record = $import_csv->get_record() ) {
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$success = false;
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// don't import empty records
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if( count( array_unique( $record ) ) < 2 ) continue;
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// Automatically handle text categories without explicit translation
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$record['cat_id'] = importexport_helper_functions::cat_name2id($record['cat_id']);
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if ( $_definition->plugin_options['conditions'] ) {
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foreach ( $_definition->plugin_options['conditions'] as $condition ) {
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$results = array();
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switch ( $condition['type'] ) {
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// exists
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case 'exists' :
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if($record[$condition['string']]) {
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$results = $this->bo->so->search(
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array( $condition['string'] => $record[$condition['string']]),
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False
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);
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}
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if ( is_array( $results ) && count( array_keys( $results )) >= 1) {
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// apply action to all contacts matching this exists condition
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$action = $condition['true'];
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foreach ( (array)$results as $resource ) {
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$record['res_id'] = $resource['res_id'];
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if ( $_definition->plugin_options['update_cats'] == 'add' ) {
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if ( !is_array( $resource['cat_id'] ) ) $resource['cat_id'] = explode( ',', $resource['cat_id'] );
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if ( !is_array( $record['cat_id'] ) ) $record['cat_id'] = explode( ',', $record['cat_id'] );
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$record['cat_id'] = implode( ',', array_unique( array_merge( $record['cat_id'], $resource['cat_id'] ) ) );
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}
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$success = $this->action( $action['action'], $record, $import_csv->get_current_position() );
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}
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} else {
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$action = $condition['false'];
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$success = ($this->action( $action['action'], $record, $import_csv->get_current_position() ));
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}
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break;
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// not supported action
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default :
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die('condition / action not supported!!!');
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break;
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}
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if ($action['last']) break;
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}
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} else {
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// unconditional insert
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$success = $this->action( 'insert', $record, $import_csv->get_current_position() );
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}
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if($success) $count++;
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}
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return $count;
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}
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/**
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* perform the required action
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*
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* @param int $_action one of $this->actions
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* @param array $_data contact data for the action
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* @return bool success or not
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*/
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private function action ( $_action, $_data, $record_num = 0 ) {
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switch ($_action) {
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case 'none' :
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return true;
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case 'update' :
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// Only update if there are changes
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$old = $this->bo->read($_data['res_id']);
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// Merge to deal with fields not in import record
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$_data = array_merge($old, $_data);
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// Fall through
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case 'insert' :
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if($_action == 'insert') {
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// Backend doesn't like inserting with ID specified, it can overwrite
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unset($_data['res_id']);
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}
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if ( $this->dry_run ) {
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//print_r($_data);
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$this->results[$_action]++;
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return true;
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} else {
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$result = $this->bo->save( $_data );
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if($result) {
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$this->errors[$record_num] = $result;
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return false;
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} else {
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$this->results[$_action]++;
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return true;
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}
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}
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default:
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throw new egw_exception('Unsupported action');
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}
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}
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/**
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* returns translated name of plugin
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*
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* @return string name
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*/
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public static function get_name() {
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return lang('Resources CSV import');
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}
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/**
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* returns translated (user) description of plugin
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*
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* @return string descriprion
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*/
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public static function get_description() {
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return lang("Imports a list of resources from a CSV file.");
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}
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/**
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* retruns file suffix(s) plugin can handle (e.g. csv)
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*
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* @return string suffix (comma seperated)
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*/
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public static function get_filesuffix() {
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return 'csv';
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}
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/**
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* return etemplate components for options.
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* @abstract We can't deal with etemplate objects here, as an uietemplate
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* objects itself are scipt orientated and not "dialog objects"
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*
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* @return array (
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* name => string,
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* content => array,
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* sel_options => array,
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* preserv => array,
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* )
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*/
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public function get_options_etpl() {
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// lets do it!
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}
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/**
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* returns etemplate name for slectors of this plugin
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*
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* @return string etemplate name
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*/
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public function get_selectors_etpl() {
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// lets do it!
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}
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/**
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* Returns errors that were encountered during importing
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* Maximum of one error message per record, but you can append if you need to
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*
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* @return Array (
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* record_# => error message
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* )
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*/
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public function get_errors() {
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return $this->errors;
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}
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/**
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* Returns a list of actions taken, and the number of records for that action.
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* Actions are things like 'insert', 'update', 'delete', and may be different for each plugin.
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*
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* @return Array (
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* action => record count
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* )
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*/
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public function get_results() {
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return $this->results;
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}
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} // end of iface_export_plugin
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?>
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