Merge branch 'MDL-26461_change_rating_scale' of git://github.com/andyjdavis/moodle
[moodle.git] / rating / index.php
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1<?php
2
3// This file is part of Moodle - http://moodle.org/
4//
5// Moodle is free software: you can redistribute it and/or modify
6// it under the terms of the GNU General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// Moodle is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License
16// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
17
18/**
19 * A page to display a list of ratings for a given item (forum post etc)
20 *
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21 * @package core
22 * @subpackage rating
23 * @copyright 2010 Andrew Davis
24 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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25 */
26
27require_once("../config.php");
9c1f9627 28require_once("lib.php");
a09aeee4 29
f1f6a755 30$contextid = required_param('contextid', PARAM_INT);
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31$itemid = required_param('itemid', PARAM_INT);
32$scaleid = required_param('scaleid', PARAM_INT);
33$sort = optional_param('sort', '', PARAM_ALPHA);
63e87951 34$popup = optional_param('popup', 0, PARAM_INT);//==1 if in a popup window?
a09aeee4 35
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36list($context, $course, $cm) = get_context_info_array($contextid);
37require_login($course, false, $cm);
a09aeee4 38
7ac928a7 39$url = new moodle_url('/rating/index.php', array('contextid'=>$contextid,'itemid'=>$itemid,'scaleid'=>$scaleid));
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40if ($sort !== 0) {
41 $url->param('sort', $sort);
42}
43$PAGE->set_url($url);
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44$PAGE->set_context($context);
45
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46if ($popup) {
47 $PAGE->set_pagelayout('popup');
48}
a09aeee4 49
63e87951 50if (!has_capability('moodle/rating:view',$context)) {
6c5fcef7 51 print_error('noviewrate', 'rating');
a09aeee4 52}
63e87951 53if (!has_capability('moodle/rating:viewall',$context) and $USER->id != $item->userid) {
6c5fcef7 54 print_error('noviewanyrate', 'rating');
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55}
56
57switch ($sort) {
58 case 'firstname': $sqlsort = "u.firstname ASC"; break;
59 case 'rating': $sqlsort = "r.rating ASC"; break;
60 default: $sqlsort = "r.timemodified ASC";
61}
62
63$scalemenu = make_grades_menu($scaleid);
64
6c5fcef7 65$strrating = get_string('rating', 'rating');
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66$strname = get_string('name');
67$strtime = get_string('time');
68
d0c675f7 69$PAGE->set_title(get_string('allratingsforitem','rating'));
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70echo $OUTPUT->header();
71
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72$ratingoptions = new stdclass();
73$ratingoptions->context = $context;
74$ratingoptions->itemid = $itemid;
63e87951 75$ratingoptions->sort = $sqlsort;
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76
77$rm = new rating_manager();
63e87951 78$ratings = $rm->get_all_ratings_for_item($ratingoptions);
a09aeee4 79if (!$ratings) {
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80 $msg = get_string('noratings','rating');
81 echo html_writer::tag('div', $msg, array('class'=>'mdl-align'));
a09aeee4 82} else {
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83 $sortargs = "contextid=$contextid&amp;itemid=$itemid&amp;scaleid=$scaleid";
84 if($popup) {
85 $sortargs.="&amp;popup=$popup";
86 }
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87 echo "<table border=\"0\" cellpadding=\"3\" cellspacing=\"3\" class=\"generalbox\" style=\"width:100%\">";
88 echo "<tr>";
89 echo "<th class=\"header\" scope=\"col\">&nbsp;</th>";
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90 echo "<th class=\"header\" scope=\"col\"><a href=\"index.php?$sortargs&amp;sort=firstname\">$strname</a></th>";
91 echo "<th class=\"header\" scope=\"col\" style=\"width:100%\"><a href=\"index.php?$sortargs&amp;sort=rating\">$strrating</a></th>";
92 echo "<th class=\"header\" scope=\"col\"><a href=\"index.php?$sortargs&amp;sort=time\">$strtime</a></th>";
a09aeee4 93 echo "</tr>";
61b00708 94
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95 //if the scale was changed after ratings were submitted some ratings may have a value above the current maximum
96 $maxrating = count($scalemenu) - 1;
a09aeee4 97 foreach ($ratings as $rating) {
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98 //Undo the aliasing of the user id column from user_picture::fields()
99 //we could clone the rating object or preserve the rating id if we needed it again
100 //but we don't
7bbe9715 101 $rating->id = $rating->userid;
5d354ded 102
7ac928a7 103 echo '<tr class="ratingitemheader">';
a09aeee4 104 echo "<td>";
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105 if($course && $course->id) {
106 echo $OUTPUT->user_picture($rating, array('courseid'=>$course->id));
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107 } else {
108 echo $OUTPUT->user_picture($rating);
109 }
110 echo '</td><td>'.fullname($rating).'</td>';
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111
112 //if they've switched to rating out of 5 but there were ratings submitted out of 10 for example
113 //Not doing this within $rm->get_all_ratings_for_item to allow access to the raw data
114 if ($rating->rating > $maxrating) {
115 $rating->rating = $maxrating;
116 }
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117 echo '<td style="white-space:nowrap" align="center" class="rating">'.$scalemenu[$rating->rating]."</td>";
118 echo '<td style="white-space:nowrap" align="center" class="time">'.userdate($rating->timemodified)."</td>";
119 echo "</tr>\n";
120 }
121 echo "</table>";
122 echo "<br />";
123}
124
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125if ($popup) {
126 echo $OUTPUT->close_window_button();
127}
a09aeee4 128echo $OUTPUT->footer();