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moodle/mod/feedback/analysis_to_excel.php

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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* prints an analysed excel-spreadsheet of the feedback
*
* @author Andreas Grabs
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package feedback
*/
require_once("../../config.php");
require_once("lib.php");
require_once("$CFG->libdir/excellib.class.php");
feedback_load_feedback_items();
$id = required_param('id', PARAM_INT); //the POST dominated the GET
$coursefilter = optional_param('coursefilter', '0', PARAM_INT);
$url = new moodle_url('/mod/feedback/analysis_to_excel.php', array('id'=>$id));
if ($coursefilter !== '0') {
$url->param('coursefilter', $coursefilter);
}
$PAGE->set_url($url);
$formdata = data_submitted();
if (! $cm = get_coursemodule_from_id('feedback', $id)) {
print_error('invalidcoursemodule');
}
if (! $course = $DB->get_record("course", array("id"=>$cm->course))) {
print_error('coursemisconf');
}
if (! $feedback = $DB->get_record("feedback", array("id"=>$cm->instance))) {
print_error('invalidcoursemodule');
}
$context = context_module::instance($cm->id);
require_login($course, true, $cm);
require_capability('mod/feedback:viewreports', $context);
//buffering any output
//this prevents some output before the excel-header will be send
ob_start();
$fstring = new stdClass();
$fstring->bold = get_string('bold', 'feedback');
$fstring->page = get_string('page', 'feedback');
$fstring->of = get_string('of', 'feedback');
$fstring->modulenameplural = get_string('modulenameplural', 'feedback');
$fstring->questions = get_string('questions', 'feedback');
$fstring->itemlabel = get_string('item_label', 'feedback');
$fstring->question = get_string('question', 'feedback');
$fstring->responses = get_string('responses', 'feedback');
$fstring->idnumber = get_string('idnumber');
$fstring->username = get_string('username');
$fstring->fullname = get_string('fullnameuser');
$fstring->courseid = get_string('courseid', 'feedback');
$fstring->course = get_string('course');
$fstring->anonymous_user = get_string('anonymous_user', 'feedback');
ob_end_clean();
//get the questions (item-names)
$params = array('feedback' => $feedback->id, 'hasvalue' => 1);
if (!$items = $DB->get_records('feedback_item', $params, 'position')) {
print_error('no_items_available_yet',
'feedback',
$CFG->wwwroot.'/mod/feedback/view.php?id='.$id);
exit;
}
$filename = "feedback.xls";
$mygroupid = groups_get_activity_group($cm);
// Creating a workbook
$workbook = new MoodleExcelWorkbook('-');
$workbook->send($filename);
//creating the needed formats
$xls_formats = new stdClass();
$xls_formats->head1 = $workbook->add_format(array(
'bold'=>1,
'size'=>12));
$xls_formats->head2 = $workbook->add_format(array(
'align'=>'left',
'bold'=>1,
'bottum'=>2));
$xls_formats->default = $workbook->add_format(array(
'align'=>'left',
'v_align'=>'top'));
$xls_formats->value_bold = $workbook->add_format(array(
'align'=>'left',
'bold'=>1,
'v_align'=>'top'));
$xls_formats->procent = $workbook->add_format(array(
'align'=>'left',
'bold'=>1,
'v_align'=>'top',
'num_format'=>'#,##0.00%'));
// Creating the worksheets
$sheetname = clean_param($feedback->name, PARAM_ALPHANUM);
error_reporting(0);
$worksheet1 = $workbook->add_worksheet(substr($sheetname, 0, 31));
$worksheet2 = $workbook->add_worksheet('detailed');
error_reporting($CFG->debug);
$worksheet1->hide_gridlines();
$worksheet1->set_column(0, 0, 10);
$worksheet1->set_column(1, 1, 30);
$worksheet1->set_column(2, 20, 15);
//writing the table header
$row_offset1 = 0;
$worksheet1->write_string($row_offset1, 0, userdate(time()), $xls_formats->head1);
////////////////////////////////////////////////////////////////////////
//print the analysed sheet
////////////////////////////////////////////////////////////////////////
//get the completeds
$completedscount = feedback_get_completeds_group_count($feedback, $mygroupid, $coursefilter);
if ($completedscount > 0) {
//write the count of completeds
$row_offset1++;
$worksheet1->write_string($row_offset1,
0,
$fstring->modulenameplural.': '.strval($completedscount),
$xls_formats->head1);
}
if (is_array($items)) {
$row_offset1++;
$worksheet1->write_string($row_offset1,
0,
$fstring->questions.': '. strval(count($items)),
$xls_formats->head1);
}
$row_offset1 += 2;
$worksheet1->write_string($row_offset1, 0, $fstring->itemlabel, $xls_formats->head1);
$worksheet1->write_string($row_offset1, 1, $fstring->question, $xls_formats->head1);
$worksheet1->write_string($row_offset1, 2, $fstring->responses, $xls_formats->head1);
$row_offset1++;
if (empty($items)) {
$items=array();
}
foreach ($items as $item) {
//get the class of item-typ
$itemobj = feedback_get_item_class($item->typ);
$row_offset1 = $itemobj->excelprint_item($worksheet1,
$row_offset1,
$xls_formats,
$item,
$mygroupid,
$coursefilter);
}
////////////////////////////////////////////////////////////////////////
//print the detailed sheet
////////////////////////////////////////////////////////////////////////
//get the completeds
$completeds = feedback_get_completeds_group($feedback, $mygroupid, $coursefilter);
//important: for each completed you have to print each item, even if it is not filled out!!!
//therefor for each completed we have to iterate over all items of the feedback
//this is done by feedback_excelprint_detailed_items
$row_offset2 = 0;
//first we print the table-header
$row_offset2 = feedback_excelprint_detailed_head($worksheet2, $xls_formats, $items, $row_offset2);
if (is_array($completeds)) {
foreach ($completeds as $completed) {
$row_offset2 = feedback_excelprint_detailed_items($worksheet2,
$xls_formats,
$completed,
$items,
$row_offset2);
}
}
$workbook->close();
exit;
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//functions
////////////////////////////////////////////////////////////////////////////////
function feedback_excelprint_detailed_head(&$worksheet, $xls_formats, $items, $row_offset) {
global $fstring, $feedback;
if (!$items) {
return;
}
$col_offset = 0;
$worksheet->write_string($row_offset + 1, $col_offset, $fstring->idnumber, $xls_formats->head2);
$col_offset++;
$worksheet->write_string($row_offset + 1, $col_offset, $fstring->username, $xls_formats->head2);
$col_offset++;
$worksheet->write_string($row_offset + 1, $col_offset, $fstring->fullname, $xls_formats->head2);
$col_offset++;
foreach ($items as $item) {
$worksheet->write_string($row_offset, $col_offset, $item->name, $xls_formats->head2);
$worksheet->write_string($row_offset + 1, $col_offset, $item->label, $xls_formats->head2);
$col_offset++;
}
$worksheet->write_string($row_offset + 1, $col_offset, $fstring->courseid, $xls_formats->head2);
$col_offset++;
$worksheet->write_string($row_offset + 1, $col_offset, $fstring->course, $xls_formats->head2);
$col_offset++;
return $row_offset + 2;
}
function feedback_excelprint_detailed_items(&$worksheet, $xls_formats,
$completed, $items, $row_offset) {
global $DB, $fstring;
if (!$items) {
return;
}
$col_offset = 0;
$courseid = 0;
$feedback = $DB->get_record('feedback', array('id'=>$completed->feedback));
//get the username
//anonymous users are separated automatically because the userid in the completed is "0"
if ($user = $DB->get_record('user', array('id'=>$completed->userid))) {
if ($completed->anonymous_response == FEEDBACK_ANONYMOUS_NO) {
$worksheet->write_string($row_offset, $col_offset, $user->idnumber, $xls_formats->head2);
$col_offset++;
$userfullname = fullname($user);
$worksheet->write_string($row_offset, $col_offset, $user->username, $xls_formats->head2);
$col_offset++;
} else {
$userfullname = $fstring->anonymous_user;
$worksheet->write_string($row_offset, $col_offset, '-', $xls_formats->head2);
$col_offset++;
$worksheet->write_string($row_offset, $col_offset, '-', $xls_formats->head2);
$col_offset++;
}
} else {
$userfullname = $fstring->anonymous_user;
$worksheet->write_string($row_offset, $col_offset, '-', $xls_formats->head2);
$col_offset++;
$worksheet->write_string($row_offset, $col_offset, '-', $xls_formats->head2);
$col_offset++;
}
$worksheet->write_string($row_offset, $col_offset, $userfullname, $xls_formats->head2);
$col_offset++;
foreach ($items as $item) {
$params = array('item' => $item->id, 'completed' => $completed->id);
$value = $DB->get_record('feedback_value', $params);
$itemobj = feedback_get_item_class($item->typ);
$printval = $itemobj->get_printval($item, $value);
$printval = trim($printval);
if (is_numeric($printval)) {
$worksheet->write_number($row_offset, $col_offset, $printval, $xls_formats->default);
} else if ($printval != '') {
$worksheet->write_string($row_offset, $col_offset, $printval, $xls_formats->default);
}
$printval = '';
$col_offset++;
$courseid = isset($value->course_id) ? $value->course_id : 0;
if ($courseid == 0) {
$courseid = $feedback->course;
}
}
$worksheet->write_number($row_offset, $col_offset, $courseid, $xls_formats->default);
$col_offset++;
if (isset($courseid) AND $course = $DB->get_record('course', array('id' => $courseid))) {
$coursecontext = context_course::instance($courseid);
$shortname = format_string($course->shortname, true, array('context' => $coursecontext));
$worksheet->write_string($row_offset, $col_offset, $shortname, $xls_formats->default);
}
return $row_offset + 1;
}
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