<?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/>.

/**

* Controller for building a teambuilder.

*

* @package mod_teambuilder

* @copyright UNSW

* @author UNSW

* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

*/

require_once(dirname(__FILE__).'/../../config.php');

require_once(dirname(__FILE__).'/lib.php');

require_once($CFG->dirroot.'/group/lib.php');

$PAGE->requires->jquery();

$PAGE->requires->jquery_plugin('ui');

$PAGE->requires->jquery_plugin('ui-css');

$PAGE->requires->js("/mod/teambuilder/js/json2.js");

$PAGE->requires->js_call_amd('mod_teambuilder/build', 'init');

$PAGE->requires->css('/mod/teambuilder/styles.css');

$id = optional_param('id', 0, PARAM_INT); // The course_module ID, or...

$a = optional_param('a', 0, PARAM_INT); // Teambuilder instance ID.

$preview = optional_param('preview', 0, PARAM_INT);

$action = optional_param('action', null, PARAM_TEXT);

$groupingid = optional_param('groupingID', 0, PARAM_INT);

$groupingname = trim(optional_param('groupingName', null, PARAM_TEXT));

$inheritgroupingname = optional_param('inheritGroupingName', 0, PARAM_INT);

$nogrouping = optional_param('nogrouping', 0, PARAM_INT);

if (!$nogrouping) {

$nogrouping = empty($groupingid) && empty($groupingname);

}

$teams = optional_param_array('teams', array(), PARAM_RAW);

$teamnames = optional_param_array('teamnames', array(), PARAM_TEXT);

if ($id) {

list ($course, $cm) = get_course_and_cm_from_cmid($id, 'teambuilder');

$teambuilder = $DB->get_record('teambuilder', array('id' => $cm->instance), '*', MUST_EXIST);

} else {

if (!$teambuilder = $DB->get_record('teambuilder', array('id' => $a), '*', MUST_EXIST)) {

print_error('You must specify a course_module ID or an instance ID');

}

list ($course, $cm) = get_course_and_cm_from_instance($teambuilder, 'teambuilder');

$id = $cm->id;

}

require_login($course, true, $cm);

$ctxt = context_module::instance($cm->id);

require_capability("mod/teambuilder:build", $ctxt);

$strteambuilders = get_string('modulenameplural', 'teambuilder');

$strteambuilder = get_string('modulename', 'teambuilder');

$PAGE->navbar->add($strteambuilders);

$PAGE->set_url('/mod/teambuilder/build.php', array('id' => $cm->id));

$PAGE->set_cm($cm);

$PAGE->set_context($ctxt);

$PAGE->set_title($teambuilder->name);

$PAGE->set_heading($course->fullname);

$output = $PAGE->get_renderer('mod_teambuilder');

echo $output->header();

if (!is_null($action) && $action == "create-groups") {

if (!$nogrouping) {

if (strlen($groupingname) > 0) {

$data = new stdClass();

$data->courseid = $course->id;

$data->name = $groupingname;

$grouping = groups_create_grouping($data);

} else {

$grouping = groups_get_grouping($groupingid);

$groupingname = $grouping->name;

$grouping = $grouping->id;

}

}

foreach ($teams as $k => $teamstr) {

$name = $teamnames[$k];

$team = explode(",", $teamstr);

$oname = !$nogrouping && $inheritgroupingname ? "$groupingname $name" : $name;

$groupdata = new stdClass();

$groupdata->courseid = $course->id;

$groupdata->name = $oname;

$group = groups_create_group($groupdata);

foreach ($team as $user) {

if (!empty($user)) {

groups_add_member($group, $user);

}

}

if (!$nogrouping) {

groups_assign_grouping($grouping, $group);

}

}

$feedback = "Your groups were successfully created.";

} else {

$group = '';

if ($teambuilder->groupid) {

$group = $teambuilder->groupid;

}

$students = get_enrolled_users($ctxt, 'mod/teambuilder:respond', $group, 'u.id,u.firstname,u.lastname', null, 0, 0, true);

$responses = teambuilder_get_responses($teambuilder->id);

$questions = teambuilder_get_questions($teambuilder->id);

echo '<script type="text/javascript">';

echo 'var students = ' . json_encode($students) . ';';

echo 'var responses = ' . json_encode($responses) . ';';

echo 'var questions = ' . json_encode($questions) . ';';

echo '</script>';

}

echo $output->navigation_tabs($id, "build");

if (!empty($feedback)) {

echo '<div class="ui-widget" style="text-align:center;">';

echo '<div style="display:inline-block; padding-left:10px; padding-right:10px;" class="ui-state-highlight ui-corner-all">';

echo '<p>'.$feedback.'</p>';

echo '</div></div>';

} else {

echo html_writer::div(null, '', ['id' => 'predicate']);

$buttons = [

html_writer::tag('button',

get_string('addnewcriterion', 'mod_teambuilder'), ['type' => 'button', 'id' => 'addnewcriterion']),

html_writer::tag('button',

html_writer::tag('strong', get_string('buildteams', 'mod_teambuilder')),

['type' => 'button', 'id' => 'buildteams']),

html_writer::tag('button',

get_string('resetteams', 'mod_teambuilder'), ['type' => 'button', 'id' => 'resetteams']),

];

echo html_writer::div(implode('&nbsp;', $buttons), 'centered padded');

$stepper = html_writer::span(2, 'stepper');

echo html_writer::div(get_string('numberofteams', 'mod_teambuilder').': '.$stepper, 'centered padded');

$options = [

'numbers' => get_string('prioritizeequal', 'mod_teambuilder'),

'criteria' => get_string('prioritizemostcriteria', 'mod_teambuilder'),

];

$select = html_writer::select($options, null, '', null, ['id' => 'prioritise']);

echo html_writer::div(get_string('prioritize', 'mod_teambuilder').': '.$select, 'centered');

$unassignedheading = html_writer::tag('h2', get_string('unassignedtoteams', 'mod_teambuilder'));

$unassignedbutton = html_writer::tag('button',

get_string('assignrandomly', 'mod_teambuilder'), ['type' => 'button', 'id' => 'assignrandomly']);

echo html_writer::start_div('', ['id' => 'unassigned']);

echo $unassignedheading.$unassignedbutton;

echo html_writer::start_div('sortable');

foreach ($students as $s) {

$answeredstate = !isset($responses[$s->id]) || empty($responses[$s->id]) ? 'unanswered' : 'answered';

echo "<div id=\"student-$s->id\" class=\"student ui-state-default $answeredstate\">$s->firstname&nbsp;$s->lastname</div>";

}

$groupings = "";

foreach (groups_get_all_groupings($course->id) as $grping) {

$groupings .= "<option value=\"$grping->id\">$grping->name</option>";

}

$strcreategroups = get_string('creategroups', 'mod_teambuilder');

$strgroupingname = get_string('groupingname', 'group');

$straddtogrouping = get_string('addtogrouping', 'mod_teambuilder');

$strconfirmgroupbuilding = get_string('confirmgroupbuilding', 'mod_teambuilder');

$strprefixteamnames = get_string('prefixteamnames', 'mod_teambuilder');

$strdontassigngrouptogrouping = get_string('dontassigngrouptogrouping', 'mod_teambuilder');

$strcancel = get_string('cancel');

$strok = get_string('ok');

echo <<<HTML

</div></div><div id="teams"></div>

<div style="text-align:center;margin:15px 50px 0px;border-top:1px solid black;padding-top:15px;">

<button type="button" onclick="$('#createGroupsForm').slideDown(300);" class="creategroups">$strcreategroups</button>

<div style="display:none" id="createGroupsForm"><p>$strconfirmgroupbuilding</p>

<table style="margin:auto;">

<tr>

<th scope="row"><label for="groupingName">$strgroupingname</label></th>

<td><input type="text" id="groupingName"></td>

</tr>

<tr><td colspan="2" style="text-align:center;font-size:0.8em">or...</td></tr>

<tr>

<th scope="row"><label for="groupingSelect">$straddtogrouping</label></th>

<td><select id="groupingSelect">$groupings</select></td>

</tr>

<tr>

<th scope="row"><label for="inheritGroupingName">$strprefixteamnames</label></th>

<td style="text-align:left;">

<input type="checkbox" checked="checked" name="inheritGroupingName" id="inheritGroupingName" value="1" />

</td>

</tr>

<tr><td colspan="2" style="text-align:center;font-size:0.8em">or...</td></tr>

<tr>

<th scope="row"><label for="nogrouping">$strdontassigngrouptogrouping</label></th>

<td style="text-align:left;"><input type="checkbox" name="nogrouping" id="nogrouping" value="1" /></td>

</tr>

</table>

<button type="button" onclick="$('#createGroupsForm').slideUp(300);">$strcancel</button>&nbsp

<button type="button" id="creategroups">$strok</button>

</div>

</div>

<div id="debug"></div>

HTML;

}

echo $OUTPUT->footer();