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<?php // $Id$
require_once('../../config.php');
require_once('lib.php');
require_once($CFG->libdir . '/csvlib.class.php');
require_once('export_form.php');
$d = required_param('d', PARAM_INT);
// database ID
if (! $data = get_record('data', 'id', $d)) {
print_error('wrongdataid', 'data');
}
if (! $cm = get_coursemodule_from_instance('data', $data->id, $data->course)) {
print_error('invalidcoursemodule');
}
if(! $course = get_record('course', 'id', $cm->course)) {
print_error('invalidcourseid', '', '', $cm->course);
}
// fill in missing properties needed for updating of instance
$data->course = $cm->course;
$data->cmidnumber = $cm->idnumber;
$data->instance = $cm->instance;
if (! $context = get_context_instance(CONTEXT_MODULE, $cm->id)) {
print_error('invalidcontext', '');
}
require_login($course->id, false, $cm);
require_capability(DATA_CAP_EXPORT, $context);
// get fields for this database
$fieldrecords = get_records('data_fields','dataid', $data->id, 'id');
if(empty($fieldrecords)) {
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
if (has_capability('mod/data:managetemplates', $context)) {
redirect($CFG->wwwroot.'/mod/data/field.php?d='.$data->id);
} else {
print_error('nofieldindatabase', 'data');
}
}
// populate objets for this databases fields
$fields = array();
foreach ($fieldrecords as $fieldrecord) {
$fields[]= data_get_field($fieldrecord, $data);
}
$mform = new mod_data_export_form('export.php?d='.$data->id, $fields);
if($mform->is_cancelled()) {
redirect('view.php?d='.$data->id);
} elseif (!$formdata = (array) $mform->get_data()) {
// build header to match the rest of the UI
$nav = build_navigation('', $cm);
print_header_simple($data->name, '', $nav,
'', '', true, update_module_button($cm->id, $course->id, get_string('modulename', 'data')),
navmenu($course, $cm), '', '');
groups_print_activity_menu($cm, "$CFG->wwwroot/mod/data/export.php?d=$d");
print_heading(format_string($data->name));
// these are for the tab display
$currentgroup = groups_get_activity_group($cm);
$groupmode = groups_get_activity_groupmode($cm);
$currenttab = 'export';
include('tabs.php');
$mform->display();
print_footer();
die;
}
$exportdata = array();
// populate the header in first row of export
foreach($fields as $key => $field) {
if(empty($formdata['field_'.$field->field->id])) {
// ignore values we aren't exporting
unset($fields[$key]);
} else {
$exportdata[0][] = $field->field->name;
}
}
$groupid = groups_get_activity_group($cm);
$datarecords = get_records('data_records', 'dataid', $data->id);
ksort($datarecords);
$line = 1;
foreach($datarecords as $record) {
// get content indexed by fieldid
if($groupid) {
$select = "SELECT c.fieldid, c.content, c.content1, c.content2, c.content3, c.content4
FROM {$CFG->prefix}data_content c, {$CFG->prefix}data_records r
WHERE c.recordid = $record->id
AND r.id = c.recordid
AND r.groupid = $groupid";
} else {
$select = "SELECT fieldid, content, content1, content2, content3, content4
FROM {$CFG->prefix}data_content
WHERE recordid = $record->id";
}
if( $content = get_records_sql($select) ) {
foreach($fields as $field) {
$contents = '';
if(isset($content[$field->field->id])) {
$contents = $field->export_text_value($content[$field->field->id]);
}
$exportdata[$line][] = $contents;
}
}
$line++;
}
$line--;
switch ($formdata['exporttype']) {
case 'csv':
data_export_csv($exportdata, $formdata['delimiter_name'], $data->name, $line);
break;
case 'xls':
data_export_xls($exportdata, $data->name, $line);
break;
case 'ods':
data_export_ods($exportdata, $data->name, $line);
break;
}
function data_export_csv($export, $delimiter_name, $dataname, $count) {
$delimiter = csv_import_reader::get_delimiter($delimiter_name);
$filename = clean_filename("${dataname}-${count}_record");
if ($count > 1) {
$filename .= 's';
}
$filename .= clean_filename('-' . gmdate("Ymd_Hi"));
$filename .= clean_filename("-${delimiter_name}_separated");
$filename .= '.csv';
header("Content-Type: application/download\n");
header("Content-Disposition: attachment; filename=$filename");
header('Expires: 0');
header('Cache-Control: must-revalidate,post-check=0,pre-check=0');
header('Pragma: public');
$encdelim = '&#' . ord($delimiter) . ';';
foreach($export as $row) {
foreach($row as $key => $column) {
$row[$key] = str_replace($delimiter, $encdelim, $column);
}
echo implode($delimiter, $row) . "\n";
}
die;
}
function data_export_xls($export, $dataname, $count) {
global $CFG;
require_once("$CFG->libdir/excellib.class.php");
$filename = clean_filename("${dataname}-${count}_record");
if ($count > 1) {
$filename .= 's';
}
$filename .= clean_filename('-' . gmdate("Ymd_Hi"));
$filename .= '.xls';
$workbook = new MoodleExcelWorkbook('-');
$workbook->send($filename);
$worksheet = array();
$worksheet[0] =& $workbook->add_worksheet('');
$rowno = 0;
foreach ($export as $row) {
$colno = 0;
foreach($row as $col) {
$worksheet[0]->write($rowno, $colno, $col);
$colno++;
}
$rowno++;
}
$workbook->close();
die;
}
function data_export_ods($export, $dataname, $count) {
global $CFG;
require_once("$CFG->libdir/odslib.class.php");
$filename = clean_filename("${dataname}-${count}_record");
if ($count > 1) {
$filename .= 's';
}
$filename .= clean_filename('-' . gmdate("Ymd_Hi"));
$filename .= '.ods';
$workbook = new MoodleODSWorkbook('-');
$workbook->send($filename);
$worksheet = array();
$worksheet[0] =& $workbook->add_worksheet('');
$rowno = 0;
foreach ($export as $row) {
$colno = 0;
foreach($row as $col) {
$worksheet[0]->write($rowno, $colno, $col);
$colno++;
}
$rowno++;
}
$workbook->close();
die;
}
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