tsd/TSDChapter.php5

<?php

class TSDChapter extends TSDObject {
    public static $ATTRIBUTES = array(
        'id' => false,
        'name' => 'edit',
        'bookId' => false
    );

    public function __construct($id = '') {
        parent::__construct('TSDChapter', self::$ATTRIBUTES, 'id', $id);
    }

    public function isValid() {
        return (
            ($this->id == '' || ctype_digit((string) $this->id)) &&
            (is_string($this->name) && $this->name != '') &&
            (ctype_digit((string) $this->bookId) && $this->bookId > 0)
        );
    }

    public static function getList($constraints = array(), $limit = array(), $order = array(), $cnt = false) {
        return self::getListImpl('TSDChapter', 'TSDChapter', array_keys(self::$ATTRIBUTES), $constraints,
                                    array(), $limit, $order, $cnt);
    }

    public function listChildren($constraints = array(), $limit = array(), $order = array(), $cnt = false, $withAlCnt = false) {
        if($withAlCnt) {
            if(SConfig::getDefault('common.serverClass') == 'dev')
                $v = 'DEV';
            else
                $v = 'LIVE';
            $keys = array_merge(array_keys(TSDSection::$ATTRIBUTES),
                    array('(SELECT COUNT(*) FROM TSDTextbookAlignment WHERE sectionId = id AND version=\''
                            . $v . '\') AS numAlignments'));
            return self::getListImpl('TSDSection', 'TSDSection', $keys,
                                    $constraints, array('chapterId' => $this->id), $limit, $order, $cnt);
        }
        else
            return self::getListImpl('TSDSection', 'TSDSection', array_keys(TSDSection::$ATTRIBUTES), $constraints,
                                    array('chapterId' => $this->id), $limit, $order, $cnt);
    }

    public function listValidChildren($constraints = array(), $limit = array(), $order = array(), $cnt = false) {
        return null;
    }

    public function getParent() {
        if(!$this->checkInit('Retrieve book')) return null;

        $book = new TSDBook($this->bookId);
        if(!$book->isValid())
            return null;
        else
            return $book;
    }

    public function getIdentifier() {
        return $this->name;
    }

    public function addSection($name, $description = '') {
        if(!$this->checkInit('Cannot add section')) return null;
        if(!TSD::can('edit')) {
            $this->setError('Permission denied');
            return false;
        }

        $section = new TSDSection();
        $section->setAttr('name', $name);
        $section->setAttr('description', $description);
        $section->setAttr('chapterId', $this->id);
        if(!$section->commit())
            return null;

        return $section;
    }

    public function deleteSectionByName($name) {
        if(!$this->checkInit('Cannot delete section(s)')) return null;
        if(!TSD::can('edit')) {
            $this->setError('Permission denied');
            return false;
        }

        $sections = $this->listChildren(array('name' => $name));
        foreach($sections as $s)
            if(!$s->delete())
                return false;
        return true;
    }
}

?>

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