moodle/mod/hotpot/db/migrate2utf8.php

<?
function migrate2utf_hotpot_questions_name($recordid){
    global $CFG;

/// Some trivial checks
    if (empty($recordid)) {
        log_the_problem_somewhere();
        return false;
    }
    $SQL = "SELECT h.course
           FROM {$CFG->prefix}hotpot h,
                {$CFG->prefix}hotpot_questions hq
           WHERE h.id = hq.hotpot
                 AND hq.id = $recordid";

    if (!$hotpot = get_record_sql($SQL) {
        log_the_problem_somewhere();
        return false;
    }
    
    if (!$hotpotquestion = get_record_sql('hotpot_questions','id',$recordid) {
        log_the_problem_somewhere();
        return false;
    }

    $sitelang   = $CFG->lang;
    $courselang = get_course_lang($hotpot->course);  //Non existing!
    $userlang   = get_main_teacher_lang($hotpot->course); //N.E.!!

    $fromenc = get_original_encoding($sitelang, $courselang, $userlang);

/// We are going to use textlib facilities
    $textlib = textlib_get_instance();
/// Convert the text
    $result = $textlib->convert($hotpotquestion->name, $fromenc);

    $newhotpotquestion = new object;
    $newhotpotquestion->id = $recordid;
    $newhotpotquestion->name = $result;
    update_record('forum',$newhotpotquestion);
/// And finally, just return the converted field
    return $result;
}

function migrate2utf_hotpot_questions_text($recordid){
    global $CFG;

/// Some trivial checks
    if (empty($recordid)) {
        log_the_problem_somewhere();
        return false;
    }
    $SQL = "SELECT h.course
           FROM {$CFG->prefix}hotpot h,
                {$CFG->prefix}hotpot_questions hq
           WHERE h.id = hq.hotpot
                 AND hq.id = $recordid";

    if (!$hotpot = get_record_sql($SQL) {
        log_the_problem_somewhere();
        return false;
    }

    if (!$hotpotquestion = get_record_sql('hotpot_questions','id',$recordid) {
        log_the_problem_somewhere();
        return false;
    }

    $sitelang   = $CFG->lang;
    $courselang = get_course_lang($hotpot->course);  //Non existing!
    $userlang   = get_main_teacher_lang($hotpot->course); //N.E.!!

    $fromenc = get_original_encoding($sitelang, $courselang, $userlang);

/// We are going to use textlib facilities
    $textlib = textlib_get_instance();
/// Convert the text
    $result = $textlib->convert($hotpotquestion->text, $fromenc);

    $newhotpotquestion = new object;
    $newhotpotquestion->id = $recordid;
    $newhotpotquestion->text = $result;
    update_record('forum',$newhotpotquestion);
/// And finally, just return the converted field
    return $result;
}

function migrate2utf_hotpot_name($recordid){
    global $CFG;

/// Some trivial checks
    if (empty($recordid)) {
        log_the_problem_somewhere();
        return false;
    }

    if (!$hotpot = get_record('hotpot','id',$recordid) {
        log_the_problem_somewhere();
        return false;
    }

    $sitelang   = $CFG->lang;
    $courselang = get_course_lang($hotpot->course);  //Non existing!
    $userlang   = get_main_teacher_lang($hotpot->course); //N.E.!!

    $fromenc = get_original_encoding($sitelang, $courselang, $userlang);

/// We are going to use textlib facilities
    $textlib = textlib_get_instance();
/// Convert the text
    $result = $textlib->convert($hotpot->name, $fromenc);

    $newhotpot = new object;
    $newhotpot->id = $recordid;
    $newhotpot->name = $result;
    update_record('hotpot',$newhotpot);
/// And finally, just return the converted field
    return $result;
}

function migrate2utf_glossary_summary($recordid){
    global $CFG;

/// Some trivial checks
    if (empty($recordid)) {
        log_the_problem_somewhere();
        return false;
    }

    if (!$hotpot = get_record('hotpot','id',$recordid) {
        log_the_problem_somewhere();
        return false;
    }

    $sitelang   = $CFG->lang;
    $courselang = get_course_lang($hotpot->course);  //Non existing!
    $userlang   = get_main_teacher_lang($hotpot->course); //N.E.!!

    $fromenc = get_original_encoding($sitelang, $courselang, $userlang);

/// We are going to use textlib facilities
    $textlib = textlib_get_instance();
/// Convert the text
    $result = $textlib->convert($hotpot->summary, $fromenc);

    $newglossary = new object;
    $newglossary->id = $recordid;
    $newglossary->summary = $result;
    update_record('hotpot',$newhotpot);
/// And finally, just return the converted field
    return $result;
}

function migrate2utf_glossary_password($recordid){
    global $CFG;

/// Some trivial checks
    if (empty($recordid)) {
        log_the_problem_somewhere();
        return false;
    }

    if (!$hotpot = get_record('hotpot','id',$recordid) {
        log_the_problem_somewhere();
        return false;
    }

    $sitelang   = $CFG->lang;
    $courselang = get_course_lang($hotpot->course);  //Non existing!
    $userlang   = get_main_teacher_lang($hotpot->course); //N.E.!!

    $fromenc = get_original_encoding($sitelang, $courselang, $userlang);

/// We are going to use textlib facilities
    $textlib = textlib_get_instance();
/// Convert the text
    $result = $textlib->convert($hotpot->password, $fromenc);

    $newglossary = new object;
    $newglossary->id = $recordid;
    $newglossary->password = $result;
    update_record('hotpot',$newhotpot);
/// And finally, just return the converted field
    return $result;
}
?>