<?PHP // $Id$

$RATING = array ("3" => "Outstanding",
                 "2" => "Satisfactory",
                 "1" => "Not satisfactory");


function journal_user_summary($course, $user, $mod, $journal) {
    global $CFG;
}


function journal_user_outline($course, $user, $mod, $journal) {
    if ($entry = get_record_sql("SELECT * FROM journal_entries 
                                 WHERE user='$user->id' AND journal='$journal->id'")) {

        $numwords = count(preg_split("/\w\b/", $entry->text)) - 1;

        $result->info = "$numwords words";
        $result->time = $entry->modified;
        return $result;
    }
    return NULL;
}


function journal_user_complete($course, $user, $mod, $journal) {
    global $CFG, $THEME;

    if ($entry = get_record_sql("SELECT * FROM journal_entries 
                             WHERE user='$user->id' AND journal='$journal->id'")) {

        print_simple_box_start();
        if ($entry->modified) {
            echo "<P><FONT SIZE=1>Last edited: ".userdate($entry->modified)."</FONT></P>";
        }
        if ($entry->text) {
            echo text_to_html($entry->text);
        }
        if ($entry->teacher) {
            $teacher = get_record("user", "id", $entry->teacher);
    
            echo "\n<BR CLEAR=ALL>";
            echo "<TABLE><TR>";
            echo "<TD WIDTH=35 VALIGN=TOP>";
            print_user_picture($entry->teacher, $course->id, $teacher->picture);
            echo "<TD BGCOLOR=\"$THEME->cellheading\">".$RATING[$entry->rating];
            if ($entry->timemarked) {
                echo "&nbsp;&nbsp;<FONT SIZE=1>".userdate($entry->timemarked)."</FONT>";
            }
            echo "<P ALIGN=RIGHT><FONT SIZE=-1><I>";
            if ($RATING[$entry->rating]) {
                echo "Overall rating: ";
                echo $RATING[$entry->rating];
            } else {
                echo "No rating given";
            }
            echo "</I></FONT></P>";

            echo "<BR><FONT COLOR=#000055>";
            echo text_to_html($entry->comment);
            echo "</FONT><BR>";
            echo "</TD></TR></TABLE>";
        }
        print_simple_box_end();

    } else {
        echo "No entry";
    }
}


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;

    echo "Processing journals...\n";

    $cutofftime = time() - $CFG->maxeditingtime;

    if ($entries = get_records_sql("SELECT e.*, j.course, j.name
                                     FROM   journal_entries e, journal j
                                     WHERE  e.mailed = '0' 
                                     AND e.timemarked < '$cutofftime' AND e.timemarked > 0
                                     AND e.journal = j.id")) {
        $timenow = time();

        foreach ($entries as $entry) {

            echo "Processing journal entry $entry->id\n";

            if (! $user = get_record("user", "id", "$entry->user")) {
                echo "Could not find user $post->user\n";
                continue;
            }

            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;
            }

            $postsubject = "$course->shortname: Journal feedback: $entry->name";
            $posttext  = "$course->shortname -> Journals -> $entry->name\n";
            $posttext .= "---------------------------------------------------------------------\n";
            $posttext .= "$teacher->firstname $teacher->lastname has posted some feedback on your\n";
            $posttext .= "journal entry for '$entry->name'\n\n";
            $posttext .= "You can see it appended to your journal entry:\n";
            $posttext .= "   $CFG->wwwroot/mod/journal/view.php?id=$mod->id\n";
            $posttext .= "---------------------------------------------------------------------\n";
            if ($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>";
              $posthtml .= "<P>$teacher->firstname $teacher->lastname has posted some feedback on your";
              $posthtml .= " journal entry for '<B>$entry->name</B>'</P>";
              $posthtml .= "<P>You can see it <A HREF=\"$CFG->wwwroot/mod/journal/view.php?id=$mod->id\">";
              $posthtml .= "appended to your journal entry</A>.</P></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;
}


?>