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<?php // $Id: import.php,v 1.4.2.2 2006/08/14 09:01:31 moodler Exp $
///////////////////////////////////////////////////////////////////////////
// //
// NOTICE OF COPYRIGHT //
// //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// http://moodle.org //
// //
// Copyright (C) 2005 Martin Dougiamas http://dougiamas.com //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation; either version 2 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details: //
// //
// http://www.gnu.org/copyleft/gpl.html //
// //
///////////////////////////////////////////////////////////////////////////
require_once('../../config.php');
require_once('lib.php');
require_once($CFG->libdir.'/uploadlib.php');
require_login();
$id = optional_param('id', 0, PARAM_INT); // course module id
$d = optional_param('d', 0, PARAM_INT); // database id
$rid = optional_param('rid', 0, PARAM_INT); // record id
$fielddelimiter = optional_param('fielddelimiter', ',', PARAM_CLEANHTML); // characters used as field delimiters for csv file import
$fieldenclosure = optional_param('fieldenclosure', '', PARAM_CLEANHTML); // characters used as record delimiters for csv file import
if ($id) {
if (! $cm = get_coursemodule_from_id('data', $id)) {
error('Course Module ID was incorrect');
}
if (! $course = get_record('course', 'id', $cm->course)) {
error('Course is misconfigured');
}
if (! $data = get_record('data', 'id', $cm->instance)) {
error('Course module is incorrect');
}
} else {
if (! $data = get_record('data', 'id', $d)) {
error('Data ID is incorrect');
}
if (! $course = get_record('course', 'id', $data->course)) {
error('Course is misconfigured');
}
if (! $cm = get_coursemodule_from_instance('data', $data->id, $course->id)) {
error('Course Module ID was incorrect');
}
}
if (isteacher($course->id)) {
if (!count_records('data_fields','dataid',$data->id)) { // Brand new database!
redirect($CFG->wwwroot.'/mod/data/field.php?d='.$data->id); // Redirect to field entry
}
}
///checking for participants
if ((!isteacher($course->id)) && $data->participants == DATA_TEACHERS_ONLY) {
error ('students are not allowed to participate in this activity');
}
if ($rid){ //editting a record, do you have access to edit this?
if (!isteacher($course->id) or !data_isowner($rid) or !confirm_sesskey()){
error (get_string('noaccess','data'));
}
}
/// Print the page header
$strdata = get_string('modulenameplural','data');
print_header_simple($data->name, "", "<a href='index.php?id=$course->id'>$strdata</a> -> $data->name", "", "", true, "", navmenu($course));
print_heading(format_string($data->name));
/// Print the tabs
$currenttab = 'add';
include('tabs.php');
$um = new upload_manager('recordsfile', false, false, null, false, 0);
if ($um->preprocess_files() && confirm_sesskey()) {
$filename = $um->files['recordsfile']['tmp_name'];
// Large files are likely to take their time and memory. Let PHP know
// that we'll take longer, and that the process should be recycled soon
// to free up memory.
@set_time_limit(0);
@raise_memory_limit("64M");
if (function_exists('apache_child_terminate')) {
@apache_child_terminate();
}
//Fix mac/dos newlines
$text = my_file_get_contents($filename);
$text = preg_replace('!\r\n?!',"\n",$text);
$fp = fopen($filename, "w");
fwrite($fp, $text);
fclose($fp);
$recordsadded = 0;
if (!$records = data_get_records_csv($filename, $fielddelimiter, $fieldenclosure)) {
error('get_records_csv failed to read data from the uploaded file. Please check file for field name typos and formatting errors.');
} else {
//$db->debug = true;
$fieldnames = array_shift($records);
foreach ($records as $record) {
if ($recordid = data_add_record($data, 0)) { // add instance to data_record
$fields = get_records('data_fields', 'dataid', $data->id, '', 'name, id, type');
// do a manual round of inserting, to make sure even empty contents get stored
foreach ($fields as $field) {
$content->recordid = $recordid;
$content->fieldid = $field->id;
insert_record('data_content', $content);
}
// for each field in the add form, add it to the data_content.
foreach ($record as $key => $value) {
$name = $fieldnames[$key];
$field = $fields[$name];
require_once($CFG->dirroot.'/mod/data/field/'.$field->type.'/field.class.php');
$newfield = 'data_field_'.$field->type;
$currentfield = new $newfield($field->id);
$currentfield->update_content($recordid, $value, $name);
}
$recordsadded++;
}
} // End foreach
} // End else
}//sun without love motivo atillas
if ($recordsadded > 0) {
notify($recordsadded. ' '. get_string('recordssaved', 'data'));
} else {
notify(get_string('recordsnotsaved', 'data'));
}
echo '<p />';
/// Finish the page
print_footer($course);
function my_file_get_contents($filename, $use_include_path = 0) {
/// Returns the file as one big long string
$data = "";
$file = @fopen($filename, "rb", $use_include_path);
if ($file) {
while (!feof($file)) {
$data .= fread($file, 1024);
}
fclose($file);
}
return $data;
}
// Read the records from the given file.
// Perform a simple field count check for each record.
function data_get_records_csv($filename, $fielddelimiter=',', $fieldenclosure="\n") {
global $db;
if (empty($fielddelimiter)) {
$fielddelimiter = ',';
}
if (empty($fieldenclosure)) {
$fieldenclosure = "\n";
}
if (!$fp = fopen($filename, "r")) {
error('get_records_csv failed to open '.$filename);
}
$fieldnames = array();
$rows = array();
$fieldnames = fgetcsv($fp, 4096, $fielddelimiter, $fieldenclosure);
if (empty($fieldnames)) {
fclose($fp);
return false;
}
$rows[] = $fieldnames;
while (($data = fgetcsv($fp, 4096, $fielddelimiter, $fieldenclosure)) !== false) {
if (count($data) > count($fieldnames)) {
// For any given record, we can't have more data entities than the number of fields.
fclose($fp);
return false;
}
$rows[] = $data;
}
fclose($fp);
return $rows;
}
?>
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