Proyectos de Subversion Moodle

<?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/>.

/**

 * This page handles listing of lesson overrides

 *

 * @package    mod_lesson

 * @copyright  2015 Jean-Michel Vedrine

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

 */

require_once(__DIR__ . '/../../config.php');

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

require_once($CFG->dirroot.'/mod/lesson/locallib.php');

require_once($CFG->dirroot.'/mod/lesson/override_form.php');

$cmid = required_param('cmid', PARAM_INT);

$mode = optional_param('mode', '', PARAM_ALPHA); // One of 'user' or 'group', default is 'group'.

list($course, $cm) = get_course_and_cm_from_cmid($cmid, 'lesson');

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

require_login($course, false, $cm);

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

// Check the user has the required capabilities to list overrides.

require_capability('mod/lesson:manageoverrides', $context);

$lessongroupmode = groups_get_activity_groupmode($cm);

$accessallgroups = ($lessongroupmode == NOGROUPS) || has_capability('moodle/site:accessallgroups', $context);

// Get the course groups that the current user can access.

$groups = $accessallgroups ? groups_get_all_groups($cm->course) : groups_get_activity_allowed_groups($cm);

// Default mode is "group", unless there are no groups.

if ($mode != "user" and $mode != "group") {

    if (!empty($groups)) {

        $mode = "group";

    } else {

        $mode = "user";

    }

}

$groupmode = ($mode == "group");

$url = new moodle_url('/mod/lesson/overrides.php', array('cmid' => $cm->id, 'mode' => $mode));

$PAGE->set_url($url);

// Display a list of overrides.

$PAGE->set_pagelayout('admin');

$PAGE->add_body_class('limitedwidth');

$PAGE->set_title(get_string('overrides', 'lesson'));

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

$PAGE->activityheader->set_attrs([

    'hidecompletion' => true,

    'description' => ''

]);

navigation_node::override_active_url(new moodle_url('/mod/lesson/overrides.php', ['cmid' => $cmid]));

$renderer = $PAGE->get_renderer('mod_lesson');

echo $OUTPUT->header();

// Delete orphaned group overrides.

$sql = 'SELECT o.id

          FROM {lesson_overrides} o

     LEFT JOIN {groups} g ON o.groupid = g.id

         WHERE o.groupid IS NOT NULL

               AND g.id IS NULL

               AND o.lessonid = ?';

$params = array($lesson->id);

$orphaned = $DB->get_records_sql($sql, $params);

if (!empty($orphaned)) {

    $DB->delete_records_list('lesson_overrides', 'id', array_keys($orphaned));

}

$overrides = [];

// Fetch all overrides.

if ($groupmode) {

    $colname = get_string('group');

    // To filter the result by the list of groups that the current user has access to.

    if ($groups) {

        $params = ['lessonid' => $lesson->id];

        list($insql, $inparams) = $DB->get_in_or_equal(array_keys($groups), SQL_PARAMS_NAMED);

        $params += $inparams;

        $sql = "SELECT o.*, g.name

                  FROM {lesson_overrides} o

                  JOIN {groups} g ON o.groupid = g.id

                 WHERE o.lessonid = :lessonid AND g.id $insql

              ORDER BY g.name";

        $overrides = $DB->get_records_sql($sql, $params);

    }

} else {

    $colname = get_string('user');

    list($sort, $params) = users_order_by_sql('u');

    $params['lessonid'] = $lesson->id;

    $userfieldsapi = \core_user\fields::for_name();

    if ($accessallgroups) {

        $sql = 'SELECT o.*, ' . $userfieldsapi->get_sql('u', false, '', '', false)->selects . '

                  FROM {lesson_overrides} o

                  JOIN {user} u ON o.userid = u.id

                 WHERE o.lessonid = :lessonid

              ORDER BY ' . $sort;

        $overrides = $DB->get_records_sql($sql, $params);

    } else if ($groups) {

        list($insql, $inparams) = $DB->get_in_or_equal(array_keys($groups), SQL_PARAMS_NAMED);

        $params += $inparams;

        $sql = 'SELECT o.*, ' . $userfieldsapi->get_sql('u', false, '', '', false)->selects . '

                  FROM {lesson_overrides} o

                  JOIN {user} u ON o.userid = u.id

                  JOIN {groups_members} gm ON u.id = gm.userid

                 WHERE o.lessonid = :lessonid AND gm.groupid ' . $insql . '

              ORDER BY ' . $sort;

        $overrides = $DB->get_records_sql($sql, $params);

    }

}

$overrides = $DB->get_records_sql($sql, $params);

$canoverride = true;

$errormessage = '';

if ($groupmode) {

    if (empty($groups)) {

        // There are no groups.

        $canoverride = false;

        $errormessage = get_string('groupsnone', 'lesson');

    }

} else {

    $users = array();

    // See if there are any users in the lesson.

    if ($accessallgroups) {

        $users = get_enrolled_users($context, '', 0, 'u.id');

        $nousermessage = get_string('usersnone', 'lesson');

    } else if ($groups) {

        $enrolledjoin = get_enrolled_join($context, 'u.id');

        list($ingroupsql, $ingroupparams) = $DB->get_in_or_equal(array_keys($groups), SQL_PARAMS_NAMED);

        $params = $enrolledjoin->params + $ingroupparams;

        $sql = "SELECT u.id

                  FROM {user} u

                  JOIN {groups_members} gm ON gm.userid = u.id

                       {$enrolledjoin->joins}

                 WHERE gm.groupid $ingroupsql

                       AND {$enrolledjoin->wheres}

              ORDER BY $sort";

        $users = $DB->get_records_sql($sql, $params);

        $nousermessage = get_string('usersnone', 'lesson');

    } else {

        $nousermessage = get_string('groupsnone', 'lesson');

    }

    $info = new \core_availability\info_module($cm);

    $users = $info->filter_user_list($users);

    if (empty($users)) {

        // There are no users.

        $canoverride = false;

        $errormessage = $nousermessage;

    }

}

// Initialise table.

$table = new html_table();

$table->headspan = array(1, 2, 1);

$table->colclasses = array('colname', 'colsetting', 'colvalue', 'colaction');

$table->head = array(

        $colname,

        get_string('overrides', 'lesson'),

        get_string('action'),

);

$userurl = new moodle_url('/user/view.php', array());

$groupurl = new moodle_url('/group/overview.php', array('id' => $cm->course));

$overridedeleteurl = new moodle_url('/mod/lesson/overridedelete.php');

$overrideediturl = new moodle_url('/mod/lesson/overrideedit.php');

$hasinactive = false; // Whether there are any inactive overrides.

foreach ($overrides as $override) {

    $fields = array();

    $values = array();

    $active = true;

    // Check for inactive overrides.

    if (!$groupmode) {

        if (!is_enrolled($context, $override->userid)) {

            // User not enrolled.

            $active = false;

        } else if (!\core_availability\info_module::is_user_visible($cm, $override->userid)) {

            // User cannot access the module.

            $active = false;

        }

    }

    // Format available.

    if (isset($override->available)) {

        $fields[] = get_string('lessonopens', 'lesson');

        $values[] = $override->available > 0 ?

                userdate($override->available) : get_string('noopen', 'lesson');

    }

    // Format deadline.

    if (isset($override->deadline)) {

        $fields[] = get_string('lessoncloses', 'lesson');

        $values[] = $override->deadline > 0 ?

                userdate($override->deadline) : get_string('noclose', 'lesson');

    }

    // Format timelimit.

    if (isset($override->timelimit)) {

        $fields[] = get_string('timelimit', 'lesson');

        $values[] = $override->timelimit > 0 ?

                format_time($override->timelimit) : get_string('none', 'lesson');

    }

    // Format option to try a question again.

    if (isset($override->review)) {

        $fields[] = get_string('displayreview', 'lesson');

        $values[] = $override->review ?

                get_string('yes') : get_string('no');

    }

    // Format number of attempts.

    if (isset($override->maxattempts)) {

        $fields[] = get_string('maximumnumberofattempts', 'lesson');

        $values[] = $override->maxattempts > 0 ?

                $override->maxattempts : get_string('unlimited');

    }

    // Format retake allowed.

    if (isset($override->retake)) {

        $fields[] = get_string('retakesallowed', 'lesson');

        $values[] = $override->retake ?

                get_string('yes') : get_string('no');

    }

    // Format password.

    if (isset($override->password)) {

        $fields[] = get_string('usepassword', 'lesson');

        $values[] = $override->password !== '' ?

                get_string('enabled', 'lesson') : get_string('none', 'lesson');

    }

    // Icons.

    $iconstr = '';

    // Edit.

    $editurlstr = $overrideediturl->out(true, array('id' => $override->id));

    $iconstr = '<a title="' . get_string('edit') . '" href="'. $editurlstr . '">' .

            $OUTPUT->pix_icon('t/edit', get_string('edit')) . '</a> ';

    // Duplicate.

    $copyurlstr = $overrideediturl->out(true,

            array('id' => $override->id, 'action' => 'duplicate'));

    $iconstr .= '<a title="' . get_string('copy') . '" href="' . $copyurlstr . '">' .

            $OUTPUT->pix_icon('t/copy', get_string('copy')) . '</a> ';

    // Delete.

    $deleteurlstr = $overridedeleteurl->out(true,

            array('id' => $override->id, 'sesskey' => sesskey()));

    $iconstr .= '<a title="' . get_string('delete') . '" href="' . $deleteurlstr . '">' .

                $OUTPUT->pix_icon('t/delete', get_string('delete')) . '</a> ';

    if ($groupmode) {

        $usergroupstr = '<a href="' . $groupurl->out(true, ['group' => $override->groupid]) . '" >' .

            format_string($override->name, true, ['context' => $context]) . '</a>';

    } else {

        $usergroupstr = '<a href="' . $userurl->out(true,

                array('id' => $override->userid)) . '" >' . fullname($override) . '</a>';

    }

    $class = '';

    if (!$active) {

        $class = "dimmed_text";

        $usergroupstr .= '*';

        $hasinactive = true;

    }

    $usergroupcell = new html_table_cell();

    $usergroupcell->rowspan = count($fields);

    $usergroupcell->text = $usergroupstr;

    $actioncell = new html_table_cell();

    $actioncell->rowspan = count($fields);

    $actioncell->text = $iconstr;

    for ($i = 0; $i < count($fields); ++$i) {

        $row = new html_table_row();

        $row->attributes['class'] = $class;

        if ($i == 0) {

            $row->cells[] = $usergroupcell;

        }

        $cell1 = new html_table_cell();

        $cell1->text = $fields[$i];

        $row->cells[] = $cell1;

        $cell2 = new html_table_cell();

        $cell2->text = $values[$i];

        $row->cells[] = $cell2;

        if ($i == 0) {

            $row->cells[] = $actioncell;

        }

        $table->data[] = $row;

    }

}

$overrideselect = new \mod_lesson\output\override_action_menu($cm->id, $url, $canoverride);

echo $renderer->render($overrideselect);

// Output the table and button.

echo html_writer::start_tag('div', array('id' => 'lessonoverrides'));

if (count($table->data)) {

    echo html_writer::table($table);

}

// No overrides to be displayed.

if (!$overrides) {

    echo $OUTPUT->notification(get_string('nooverridecreated', 'lesson'), 'info', false);

}

if ($hasinactive) {

    echo $OUTPUT->notification(get_string('inactiveoverridehelp', 'lesson'), 'dimmed_text');

}

echo html_writer::start_tag('div', array('class' => 'buttons'));

if (!empty($errormessage)) {

    echo $OUTPUT->notification($errormessage, 'error');

}

echo html_writer::end_tag('div');

echo html_writer::end_tag('div');

// Finish the page.

echo $OUTPUT->footer();