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 prints reports and info about chats.

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

require_once('lib.php');

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

$start         = optional_param('start', 0, PARAM_INT);   // Start of period.

$end           = optional_param('end', 0, PARAM_INT);     // End of period.

$deletesession = optional_param('deletesession', 0, PARAM_BOOL);

$confirmdelete = optional_param('confirmdelete', 0, PARAM_BOOL);

$showall      = optional_param('show_all', 0, PARAM_BOOL);

$url = new moodle_url('/mod/chat/report.php', array('id' => $id));

if ($start !== 0) {

    $url->param('start', $start);

}

if ($end !== 0) {

    $url->param('end', $end);

}

if ($deletesession !== 0) {

    $url->param('deletesession', $deletesession);

}

if ($confirmdelete !== 0) {

    $url->param('confirmdelete', $confirmdelete);

}

$PAGE->set_url($url);

if (! $cm = get_coursemodule_from_id('chat', $id)) {

    throw new \moodle_exception('invalidcoursemodule');

}

if (! $chat = $DB->get_record('chat', array('id' => $cm->instance))) {

    throw new \moodle_exception('invalidcoursemodule');

}

if (! $course = $DB->get_record('course', array('id' => $chat->course))) {

    throw new \moodle_exception('coursemisconf');

}

require_login($course, false, $cm);

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

$PAGE->set_context($context);

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

if (empty($chat->studentlogs) && !has_capability('mod/chat:readlog', $context)) {

    notice(get_string('nopermissiontoseethechatlog', 'chat'));

}

$params = array(

    'context' => $context,

    'objectid' => $chat->id,

    'other' => array(

        'start' => $start,

        'end' => $end

    )

);

$event = \mod_chat\event\sessions_viewed::create($params);

$event->add_record_snapshot('chat', $chat);

$event->trigger();

$strchats         = get_string('modulenameplural', 'chat');

$strchat          = get_string('modulename', 'chat');

$strchatreport    = get_string('chatreport', 'chat');

$strseesession    = get_string('seesession', 'chat');

$strdeletesession = get_string('deletesession', 'chat');

$navlinks = array();

$canexportsess = has_capability('mod/chat:exportsession', $context);

$canviewfullnames = has_capability('moodle/site:viewfullnames', $context);

$PAGE->activityheader->set_attrs([

    'title' => '',

    'description' => '',

    'hidecompletion' => true,

    'hideoverflow' => true,

]);

// Print a session if one has been specified.

if ($start and $end and !$confirmdelete) {   // Show a full transcript.

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

    echo $OUTPUT->header();

    // Check to see if groups are being used here.

    $groupmode = groups_get_activity_groupmode($cm);

    $currentgroup = groups_get_activity_group($cm, true);

    groups_print_activity_menu($cm, $CFG->wwwroot . "/mod/chat/report.php?id=$cm->id");

    if ($deletesession and has_capability('mod/chat:deletelog', $context)) {

        echo $OUTPUT->confirm(get_string('deletesessionsure', 'chat'),

                     "report.php?id=$cm->id&deletesession=1&confirmdelete=1&start=$start&end=$end",

                     "report.php?id=$cm->id");

    }

    if (!$messages = chat_get_session_messages($chat->id, $currentgroup, $start, $end, 'timestamp ASC')) {

        echo $OUTPUT->heading(get_string('nomessages', 'chat'));

    } else {

        echo '<p class="boxaligncenter">'.userdate($start).' --> '. userdate($end).'</p>';

        echo $OUTPUT->box_start('center');

        $participates = array();

        foreach ($messages as $message) {  // We are walking FORWARDS through messages.

            if (!isset($participates[$message->userid])) {

                $participates[$message->userid] = true;

            }

            $formatmessage = chat_format_message($message, $course->id, $USER);

            if (isset($formatmessage->html)) {

                echo $formatmessage->html;

            }

        }

        $participatedcap = array_key_exists($USER->id, $participates)

                           && has_capability('mod/chat:exportparticipatedsession', $context);

        if (!empty($CFG->enableportfolios) && ($canexportsess || $participatedcap)) {

            require_once($CFG->libdir . '/portfoliolib.php');

            $buttonoptions  = array(

                'id'    => $cm->id,

                'start' => $start,

                'end'   => $end,

            );

            $button = new portfolio_add_button();

            $button->set_callback_options('chat_portfolio_caller', $buttonoptions, 'mod_chat');

            $button->render();

        }

        echo $OUTPUT->box_end();

    }

    if (!$deletesession or !has_capability('mod/chat:deletelog', $context)) {

        echo $OUTPUT->continue_button("report.php?id=$cm->id");

    }

    echo $OUTPUT->footer();

    exit;

}

// Print the Sessions display.

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

$PAGE->set_title($strchatreport);

echo $OUTPUT->header();

echo $OUTPUT->heading(get_string('sessions', 'chat'), 2);

// Check to see if groups are being used here

if ($groupmode = groups_get_activity_groupmode($cm)) {   // Groups are being used.

    $currentgroup = groups_get_activity_group($cm, true);

    groups_print_activity_menu($cm, $CFG->wwwroot . "/mod/chat/report.php?id=$cm->id");

} else {

    $currentgroup = false;

}

$params = array('currentgroup' => $currentgroup, 'chatid' => $chat->id, 'start' => $start, 'end' => $end);

// If the user is allocated to a group, only show discussions with people in

// the same group, or no group.

if (!empty($currentgroup)) {

    $groupselect = " AND (groupid = :currentgroup OR groupid = 0)";

} else {

    $groupselect = "";

}

// Delete a session if one has been specified.

if ($deletesession and has_capability('mod/chat:deletelog', $context)

    and $confirmdelete and $start and $end and confirm_sesskey()) {

    $DB->delete_records_select('chat_messages', "chatid = :chatid AND timestamp >= :start AND

                                                 timestamp <= :end $groupselect", $params);

    $strdeleted  = get_string('deleted');

    echo $OUTPUT->notification("$strdeleted: ".userdate($start).' --> '. userdate($end));

    unset($deletesession);

}

// Get the messages.

if (empty($messages)) {   // May have already got them above.

    if (!$messages = chat_get_session_messages($chat->id, $currentgroup, 0, 0, 'timestamp DESC')) {

        echo $OUTPUT->heading(get_string('nomessages', 'chat'), 3);

        echo $OUTPUT->footer();

        exit;

    }

}

if ($showall) {

    $headingstr = get_string('listing_all_sessions', 'chat') . ' ';

    $headingstr .= html_writer::link("report.php?id={$cm->id}&show_all=0", get_string('list_complete_sessions', 'chat'));

    echo  $OUTPUT->heading($headingstr, 3);

}

// Show all the sessions.

$completesessions  = 0;

echo '<div class="list-group">';

$sessions = chat_get_sessions($messages, $showall);

foreach ($sessions as $session) {

    echo '<div class="list-group-item">';

    echo '<p>'.userdate($session->sessionstart).' --> '. userdate($session->sessionend).'</p>';

    echo $OUTPUT->box_start();

    arsort($session->sessionusers);

    foreach ($session->sessionusers as $sessionuser => $usermessagecount) {

        if ($user = $DB->get_record('user', array('id' => $sessionuser))) {

            $OUTPUT->user_picture($user, array('courseid' => $course->id));

            echo ' ' . fullname($user, $canviewfullnames);

            echo "&nbsp;($usermessagecount)<br />";

        }

    }

    echo '<p align="right">';

    echo "<a href=\"report.php?id=$cm->id&amp;start=$session->sessionstart&amp;end=$session->sessionend\">$strseesession</a>";

    $participatedcap = (array_key_exists($USER->id, $session->sessionusers)

                       && has_capability('mod/chat:exportparticipatedsession', $context));

    if (!empty($CFG->enableportfolios) && ($canexportsess || $participatedcap)) {

        require_once($CFG->libdir . '/portfoliolib.php');

        $buttonoptions  = array(

            'id'    => $cm->id,

            'start' => $session->sessionstart,

            'end'   => $session->sessionend,

        );

        $button = new portfolio_add_button();

        $button->set_callback_options('chat_portfolio_caller', $buttonoptions, 'mod_chat');

        $portfoliobutton = $button->to_html(PORTFOLIO_ADD_TEXT_LINK);

        if (!empty($portfoliobutton)) {

            echo '<br />' . $portfoliobutton;

        }

    }

    if (has_capability('mod/chat:deletelog', $context)) {

        $deleteurl = "report.php?id=$cm->id&start=$session->sessionstart&end=$session->sessionend&deletesession=1";

        echo "<br /><a href=\"$deleteurl\">$strdeletesession</a>";

    }

    echo '</p>';

    echo $OUTPUT->box_end();

    echo '</div>';

    if ($session->iscomplete) {

        $completesessions++;

    }

}

echo '</div>';

if (!empty($CFG->enableportfolios) && $canexportsess) {

    require_once($CFG->libdir . '/portfoliolib.php');

    $button = new portfolio_add_button();

    $button->set_callback_options('chat_portfolio_caller', array('id' => $cm->id), 'mod_chat');

    $button->render(null, get_string('addalltoportfolio', 'portfolio'));

}

if (!$showall and $completesessions == 0) {

    echo html_writer::start_tag('p');

    echo get_string('no_complete_sessions_found', 'chat') . ' ';

    echo html_writer::link('report.php?id='.$cm->id.'&show_all=1', get_string('list_all_sessions', 'chat'));

    echo html_writer::end_tag('p');

}

// Finish the page.

echo $OUTPUT->footer();