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moodle/mod/journal/lib.php

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<?PHP // $Id$
// STANDARD MODULE FUNCTIONS /////////////////////////////////////////////////////////
function journal_user_outline($course, $user, $mod, $journal) {
if ($entry = get_record("journal_entries", "userid", $user->id, "journal", $journal->id)) {
$numwords = count(preg_split("/\w\b/", $entry->text)) - 1;
$result->info = get_string("numwords", "", $numwords);
$result->time = $entry->modified;
return $result;
}
return NULL;
}
function journal_user_complete($course, $user, $mod, $journal) {
if ($entry = get_record("journal_entries", "userid", $user->id, "journal", $journal->id)) {
print_simple_box_start();
if ($entry->modified) {
echo "<P><FONT SIZE=1>".get_string("lastedited").": ".userdate($entry->modified)."</FONT></P>";
}
if ($entry->text) {
echo format_text($entry->text, $entry->format);
}
if ($entry->teacher) {
$grades = make_grades_menu($journal->assessed);
journal_print_feedback($course, $entry, $grades);
}
print_simple_box_end();
} else {
print_string("noentry", "journal");
}
}
function journal_user_complete_index($course, $user, $journal, $journalopen, $heading) {
/// Prints a journal, entry and feedback ... used on the journal index page.
if (isteacher($course->id)) {
$entrycount = count_records("journal_entries", "journal", $journal->id);
$entryinfo = "&nbsp;(<a href=\"report.php?id=$journal->coursemodule\">".get_string("viewallentries","journal", $entrycount)."</a>)";
} else {
$entryinfo = "";
}
$journal->name = "<a href=\"view.php?id=$journal->coursemodule\">$journal->name</a>";
if ($heading) {
echo "<h3>$heading - $journal->name$entryinfo</h3>";
} else {
echo "<h3>$journal->name$entryinfo</h3>";
}
print_simple_box_start("left", "90%");
echo format_text($journal->intro);
print_simple_box_end();
echo "<br clear=all />";
echo "<br />";
print_simple_box_start("right", "90%");
if ($journalopen) {
echo "<p align=right><a href=\"edit.php?id=$journal->coursemodule\">";
echo get_string("edit")."</a></p>";
} else {
echo "<p align=right><a href=\"view.php?id=$journal->coursemodule\">";
echo get_string("view")."</a></p>";
}
if ($entry = get_record("journal_entries", "userid", $user->id, "journal", $journal->id)) {
if ($entry->modified) {
echo "<p align=\"center\"><font size=1>".get_string("lastedited").": ".userdate($entry->modified)."</font></p>";
}
if ($entry->text) {
echo format_text($entry->text, $entry->format);
}
if ($entry->teacher) {
$grades = make_grades_menu($journal->assessed);
journal_print_feedback($course, $entry, $grades);
}
} else {
print_string("noentry", "journal");
}
print_simple_box_end();
echo "<br clear=all />";
echo "<br />";
}
function journal_cron () {
// Function to be run periodically according to the moodle cron
// Finds all journal notifications that have yet to be mailed out, and mails them
global $CFG, $USER;
$cutofftime = time() - $CFG->maxeditingtime;
if ($entries = journal_get_unmailed_graded($cutofftime)) {
$timenow = time();
foreach ($entries as $entry) {
echo "Processing journal entry $entry->id\n";
if (! $user = get_record("user", "id", "$entry->userid")) {
echo "Could not find user $entry->userid\n";
continue;
}
$USER->lang = $user->lang;
if (! $course = get_record("course", "id", "$entry->course")) {
echo "Could not find course $entry->course\n";
continue;
}
if (! isstudent($course->id, $user->id) and !isteacher($course->id, $user->id)) {
continue; // Not an active participant
}
if (! $teacher = get_record("user", "id", "$entry->teacher")) {
echo "Could not find teacher $entry->teacher\n";
continue;
}
if (! $mod = get_coursemodule_from_instance("journal", $entry->journal, $course->id)) {
echo "Could not find course module for journal id $entry->journal\n";
continue;
}
unset($journalinfo);
$journalinfo->teacher = "$teacher->firstname $teacher->lastname";
$journalinfo->journal = "$entry->name";
$journalinfo->url = "$CFG->wwwroot/mod/journal/view.php?id=$mod->id";
$postsubject = "$course->shortname: Journal feedback: $entry->name";
$posttext = "$course->shortname -> Journals -> $entry->name\n";
$posttext .= "---------------------------------------------------------------------\n";
$posttext .= get_string("journalmail", "journal", $journalinfo);
$posttext .= "---------------------------------------------------------------------\n";
if ($user->mailformat == 1) { // HTML
$posthtml = "<p><font face=\"sans-serif\">".
"<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</a> ->".
"<a href=\"$CFG->wwwroot/mod/journal/index.php?id=$course->id\">journals</a> ->".
"<a href=\"$CFG->wwwroot/mod/journal/view.php?id=$mod->id\">$entry->name</a></font></p>";
$posthtml .= "<hr><font face=\"sans-serif\">";
$posthtml .= "<p>".get_string("journalmailhtml", "journal", $journalinfo)."</p>";
$posthtml .= "</font><hr>";
} else {
$posthtml = "";
}
if (! email_to_user($user, $teacher, $postsubject, $posttext, $posthtml)) {
echo "Error: Journal cron: Could not send out mail for id $entry->id to user $user->id ($user->email)\n";
}
if (! set_field("journal_entries", "mailed", "1", "id", "$entry->id")) {
echo "Could not update the mailed field for id $entry->id\n";
}
}
}
return true;
}
function journal_print_recent_activity($course, $isteacher, $timestart) {
global $CFG;
$content = false;
$journals = NULL;
if (!$logs = get_records_select("log", "time > '$timestart' AND ".
"course = '$course->id' AND ".
"module = 'journal' AND ".
"(action = 'add entry' OR action = 'update entry')", "time ASC")){
return false;
}
foreach ($logs as $log) {
///Get journal info. I'll need it later
$j_log_info = journal_log_info($log);
//Create a temp valid module structure (course,id)
$tempmod->course = $log->course;
$tempmod->id = $j_log_info->id;
//Obtain the visible property from the instance
$modvisible = instance_is_visible($log->module,$tempmod);
//Only if the mod is visible
if ($modvisible) {
if (!isset($journals[$log->info])) {
$journals[$log->info] = $j_log_info;
$journals[$log->info]->time = $log->time;
$journals[$log->info]->url = $log->url;
}
}
}
if ($journals) {
$content = true;
$strftimerecent = get_string("strftimerecent");
print_headline(get_string("newjournalentries", "journal").":");
foreach ($journals as $journal) {
$date = userdate($journal->time, $strftimerecent);
echo "<p><font size=1>$date - $journal->firstname $journal->lastname<br>";
echo "\"<a href=\"$CFG->wwwroot/mod/journal/$journal->url\">";
echo "$journal->name";
echo "</a>\"</font></p>";
}
}
return $content;
}
function journal_grades($journalid) {
/// Must return an array of grades, indexed by user, and a max grade.
if (!$journal = get_record("journal", "id", $journalid)) {
return NULL;
}
$grades = get_records_menu("journal_entries", "journal",
$journal->id, "", "userid,rating");
if ($journal->assessed > 0) {
$return->grades = $grades;
$return->maxgrade = $journal->assessed;
} else if ($journal->assessed == 0) {
$return->grades = NULL;
$return->maxgrade = 0;
} else {
if ($scale = get_record("scale", "id", - $journal->assessed)) {
$scalegrades = make_menu_from_list($scale->scale);
if ($grades) {
foreach ($grades as $key => $grade) {
$grades[$key] = $scalegrades[$grade];
}
}
}
$return->grades = $grades;
$return->maxgrade = "";
}
return $return;
}
// SQL FUNCTIONS ///////////////////////////////////////////////////////////////////
function journal_get_users_done($journal) {
global $CFG;
return get_records_sql("SELECT u.*
FROM {$CFG->prefix}user u,
{$CFG->prefix}user_students s,
{$CFG->prefix}user_teachers t,
{$CFG->prefix}journal_entries j
WHERE ((s.course = '$journal->course' AND s.userid = u.id)
OR (t.course = '$journal->course' AND t.userid = u.id))
AND u.id = j.userid
AND j.journal = '$journal->id'
ORDER BY j.modified DESC");
}
function journal_get_unmailed_graded($cutofftime) {
global $CFG;
return get_records_sql("SELECT e.*, j.course, j.name
FROM {$CFG->prefix}journal_entries e,
{$CFG->prefix}journal j
WHERE e.mailed = '0'
AND e.timemarked < '$cutofftime'
AND e.timemarked > 0
AND e.journal = j.id");
}
function journal_log_info($log) {
global $CFG;
return get_record_sql("SELECT j.*, u.firstname, u.lastname
FROM {$CFG->prefix}journal j,
{$CFG->prefix}journal_entries e,
{$CFG->prefix}user u
WHERE e.id = '$log->info'
AND e.journal = j.id
AND e.userid = u.id");
}
// OTHER JOURNAL FUNCTIONS ///////////////////////////////////////////////////////////////////
function journal_print_user_entry($course, $user, $entry, $teachers, $grades) {
global $THEME, $USER;
if ($entry->timemarked < $entry->modified) {
$colour = $THEME->cellheading2;
} else {
$colour = $THEME->cellheading;
}
echo "\n<TABLE BORDER=1 CELLSPACING=0 valign=top cellpadding=10>";
echo "\n<TR>";
echo "\n<TD ROWSPAN=2 BGCOLOR=\"$THEME->body\" WIDTH=35 VALIGN=TOP>";
print_user_picture($user->id, $course->id, $user->picture);
echo "</TD>";
echo "<TD NOWRAP WIDTH=100% BGCOLOR=\"$colour\">$user->firstname $user->lastname";
if ($entry) {
echo "&nbsp;&nbsp;<FONT SIZE=1>".get_string("lastedited").": ".userdate($entry->modified)."</FONT>";
}
echo "</TR>";
echo "\n<TR><TD WIDTH=100% BGCOLOR=\"$THEME->cellcontent\">";
if ($entry) {
echo format_text($entry->text, $entry->format);
} else {
print_string("noentry", "journal");
}
echo "</TD></TR>";
if ($entry) {
echo "\n<TR>";
echo "<TD WIDTH=35 VALIGN=TOP>";
if (!$entry->teacher) {
$entry->teacher = $USER->id;
}
print_user_picture($entry->teacher, $course->id, $teachers[$entry->teacher]->picture);
echo "<TD BGCOLOR=\"$colour\">".get_string("feedback").":";
choose_from_menu($grades, "r$entry->id", $entry->rating, get_string("nograde")."...");
if ($entry->timemarked) {
echo "&nbsp;&nbsp;<FONT SIZE=1>".userdate($entry->timemarked)."</FONT>";
}
echo "<BR><TEXTAREA NAME=\"c$entry->id\" ROWS=12 COLS=60 WRAP=virtual>";
p($entry->comment);
echo "</TEXTAREA><BR>";
echo "</TD></TR>";
}
echo "</TABLE><BR CLEAR=ALL>\n";
}
function journal_add_instance($journal) {
// Given an object containing all the necessary data,
// (defined by the form in mod.html) this function
// will create a new instance and return the id number
// of the new instance.
$journal->timemodified = time();
return insert_record("journal", $journal);
}
function journal_update_instance($journal) {
// Given an object containing all the necessary data,
// (defined by the form in mod.html) this function
// will update an existing instance with new data.
$journal->timemodified = time();
$journal->id = $journal->instance;
return update_record("journal", $journal);
}
function journal_delete_instance($id) {
// Given an ID of an instance of this module,
// this function will permanently delete the instance
// and any data that depends on it.
if (! $journal = get_record("journal", "id", $id)) {
return false;
}
$result = true;
if (! delete_records("journal_entries", "journal", $journal->id)) {
$result = false;
}
if (! delete_records("journal", "id", $journal->id)) {
$result = false;
}
return $result;
}
function journal_print_feedback($course, $entry, $grades) {
global $CFG, $THEME;
if (! $teacher = get_record("user", "id", $entry->teacher)) {
error("Weird journal error");
}
echo "\n<TABLE BORDER=0 CELLPADDING=1 CELLSPACING=1 ALIGN=CENTER><TR><TD BGCOLOR=#888888>";
echo "\n<TABLE BORDER=0 CELLPADDING=3 CELLSPACING=0 VALIGN=TOP>";
echo "\n<TR>";
echo "\n<TD ROWSPAN=3 BGCOLOR=\"$THEME->body\" WIDTH=35 VALIGN=TOP>";
print_user_picture($teacher->id, $course->id, $teacher->picture);
echo "</TD>";
echo "<TD NOWRAP WIDTH=100% BGCOLOR=\"$THEME->cellheading\">$teacher->firstname $teacher->lastname";
echo "&nbsp;&nbsp;<FONT SIZE=2><I>".userdate($entry->timemarked)."</I>";
echo "</TR>";
echo "\n<TR><TD WIDTH=100% BGCOLOR=\"$THEME->cellcontent\">";
echo "<P ALIGN=RIGHT><FONT SIZE=-1><I>";
if ($grades[$entry->rating]) {
echo get_string("grade").": ";
echo $grades[$entry->rating];
} else {
print_string("nograde");
}
echo "</I></FONT></P>";
echo text_to_html($entry->comment);
echo "</TD></TR></TABLE>";
echo "</TD></TR></TABLE>";
}
function journal_get_participants($journalid) {
//Returns the users with data in one journal
//(users with records in journal_entries, students and teachers)
global $CFG;
//Get students
$students = get_records_sql("SELECT DISTINCT u.*
FROM {$CFG->prefix}user u,
{$CFG->prefix}journal_entries j
WHERE j.journal = '$journalid' and
u.id = j.userid");
//Get teachers
$teachers = get_records_sql("SELECT DISTINCT u.*
FROM {$CFG->prefix}user u,
{$CFG->prefix}journal_entries j
WHERE j.journal = '$journalid' and
u.id = j.teacher");
//Add teachers to students
if ($teachers) {
foreach ($teachers as $teacher) {
$students[$teacher->id] = $teacher;
}
}
//Return students array (it contains an array of unique users)
return ($students);
}
?>
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