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MDL-57394 mod_chat: Move get sessions code to new function

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To avoid code duplication when creating new web services we need to
move code to a function chat_get_sessions.
This commit is contained in:
Juan Leyva 2017-09-22 12:53:39 +02:00
parent a4f914b54d
commit 9b82171b18
2 changed files with 101 additions and 77 deletions
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58
mod/chat/lib.php
View File

@ -1480,3 +1480,61 @@ function mod_chat_core_calendar_provide_event_action(calendar_event $event,
);
}
}
/**
* Given a set of messages for a chat, return the completed chat sessions (including optionally not completed ones).
*
* @param array $messages list of messages from a chat
* @param bool $showall whether to include completed sessions or not
* @return array the list of sessions
* @since Moodle 3.4
*/
function chat_get_sessions($messages, $showall = false) {
$sessions = array();
$sessiongap = 5 * 60; // 5 minutes silence means a new session.
$sessionend = 0;
$sessionstart = 0;
$sessionusers = array();
$lasttime = 0;
$messagesleft = count($messages);
foreach ($messages as $message) { // We are walking BACKWARDS through the messages.
$messagesleft --; // Countdown.
if (!$lasttime) {
$lasttime = $message->timestamp;
}
if (!$sessionend) {
$sessionend = $message->timestamp;
}
if ((($lasttime - $message->timestamp) < $sessiongap) and $messagesleft) { // Same session.
if ($message->userid and !$message->issystem) { // Remember user and count messages.
if (empty($sessionusers[$message->userid])) {
$sessionusers[$message->userid] = 1;
} else {
$sessionusers[$message->userid] ++;
}
}
} else {
$sessionstart = $lasttime;
$iscomplete = ($sessionend - $sessionstart > 60 and count($sessionusers) > 1);
if ($showall or $iscomplete) {
$sessions[] = (object) array(
'sessionstart' => $sessionstart,
'sessionend' => $sessionend,
'sessionusers' => $sessionusers,
'iscomplete' => $iscomplete,
);
}
$sessionend = $message->timestamp;
$sessionusers = array();
$sessionusers[$message->userid] = 1;
}
$lasttime = $message->timestamp;
}
return $sessions;
}

120
mod/chat/report.php
View File

@ -212,92 +212,58 @@ if ($showall) {
}
// Show all the sessions.
$sessiongap = 5 * 60; // 5 minutes silence means a new session.
$sessionend = 0;
$sessionstart = 0;
$sessionusers = array();
$lasttime = 0;
$completesessions = 0;
$messagesleft = count($messages);
echo '<div class="list-group">';
foreach ($messages as $message) { // We are walking BACKWARDS through the messages.
$sessions = chat_get_sessions($messages, $showall);
$messagesleft --; // Countdown.
foreach ($sessions as $session) {
echo '<div class="list-group-item">';
echo '<p>'.userdate($session->sessionstart).' --> '. userdate($session->sessionend).'</p>';
if (!$lasttime) {
$lasttime = $message->timestamp;
}
if (!$sessionend) {
$sessionend = $message->timestamp;
}
if ((($lasttime - $message->timestamp) < $sessiongap) and $messagesleft) { // Same session.
if ($message->userid and !$message->issystem) { // Remember user and count messages.
if (empty($sessionusers[$message->userid])) {
$sessionusers[$message->userid] = 1;
} else {
$sessionusers[$message->userid] ++;
}
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' => $course->id));
echo '&nbsp;'.fullname($user, true); // XXX TODO use capability instead of true.
echo "&nbsp;($usermessagecount)<br />";
}
} else {
$sessionstart = $lasttime;
$iscomplete = ($sessionend - $sessionstart > 60 and count($sessionusers) > 1);
if ($showall or $iscomplete) {
echo '<div class="list-group-item">';
echo '<p>'.userdate($sessionstart).' --> '. userdate($sessionend).'</p>';
echo $OUTPUT->box_start();
arsort($sessionusers);
foreach ($sessionusers as $sessionuser => $usermessagecount) {
if ($user = $DB->get_record('user', array('id' => $sessionuser))) {
$OUTPUT->user_picture($user, array('courseid' => $course->id));
echo '&nbsp;'.fullname($user, true); // XXX TODO use capability instead of true.
echo "&nbsp;($usermessagecount)<br />";
}
}
echo '<p align="right">';
echo "<a href=\"report.php?id=$cm->id&amp;start=$sessionstart&amp;end=$sessionend\">$strseesession</a>";
$participatedcap = (array_key_exists($USER->id, $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' => $sessionstart,
'end' => $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&amp;start=$sessionstart&amp;end=$sessionend&amp;deletesession=1";
echo "<br /><a href=\"$deleteurl\">$strdeletesession</a>";
}
echo '</p>';
echo $OUTPUT->box_end();
echo '</div>';
}
if ($iscomplete) {
$completesessions++;
}
$sessionend = $message->timestamp;
$sessionusers = array();
$sessionusers[$message->userid] = 1;
}
$lasttime = $message->timestamp;
echo '<p align="right">';
echo "<a href=\"report.php?id=$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&amp;start=$session->sessionstart&amp;end=$session->sessionend&amp;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) {