class NodeType

class NodeType extends DrupalSqlBase {
    
    /**
     * The teaser length.
     *
     * @var int
     */
    protected $teaserLength;
    
    /**
     * Node preview optional / required.
     *
     * @var int
     */
    protected $nodePreview;
    
    /**
     * An array of theme settings.
     *
     * @var array
     */
    protected $themeSettings;
    
    /**
     * {@inheritdoc}
     */
    public function query() {
        return $this->select('node_type', 't')
            ->fields('t', [
            'type',
            'name',
            'module',
            'description',
            'help',
            'title_label',
            'has_body',
            'body_label',
            'min_word_count',
            'custom',
            'modified',
            'locked',
            'orig_type',
        ])
            ->orderBy('t.type');
    }
    
    /**
     * {@inheritdoc}
     */
    public function fields() {
        $fields = [
            'type' => $this->t('Machine name of the node type.'),
            'name' => $this->t('Human name of the node type.'),
            'module' => $this->t('The module providing the node type.'),
            'description' => $this->t('Description of the node type.'),
            'help' => $this->t('Help text for the node type.'),
            'title_label' => $this->t('Title label.'),
            'has_body' => $this->t('Flag indicating the node type has a body field.'),
            'body_label' => $this->t('Body label.'),
            'min_word_count' => $this->t('Minimum word count for the body field.'),
            'custom' => $this->t('Flag.'),
            'modified' => $this->t('Flag.'),
            'locked' => $this->t('Flag.'),
            'orig_type' => $this->t('The original type.'),
            'teaser_length' => $this->t('Teaser length'),
        ];
        if ($this->moduleExists('comment')) {
            $fields += $this->getCommentFields();
        }
        return $fields;
    }
    
    /**
     * Returns the fields containing comment settings for each node type.
     *
     * @return string[]
     *   An associative array of field descriptions, keyed by field.
     */
    protected function getCommentFields() {
        return [
            'comment' => $this->t('Default comment setting'),
            'comment_default_mode' => $this->t('Default display mode'),
            'comment_default_per_page' => $this->t('Default comments per page'),
            'comment_anonymous' => $this->t('Anonymous commenting'),
            'comment_subject_field' => $this->t('Comment subject field'),
            'comment_preview' => $this->t('Preview comment'),
            'comment_form_location' => $this->t('Location of comment submission form'),
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    protected function initializeIterator() {
        $this->teaserLength = $this->variableGet('teaser_length', 600);
        $this->nodePreview = $this->variableGet('node_preview', 0);
        $this->themeSettings = $this->variableGet('theme_settings', []);
        return parent::initializeIterator();
    }
    
    /**
     * {@inheritdoc}
     */
    public function prepareRow(Row $row) {
        $row->setSourceProperty('teaser_length', $this->teaserLength);
        $row->setSourceProperty('node_preview', $this->nodePreview);
        $type = $row->getSourceProperty('type');
        $source_options = $this->variableGet('node_options_' . $type, [
            'promote',
            'sticky',
        ]);
        $options = [];
        foreach ([
            'promote',
            'sticky',
            'status',
            'revision',
        ] as $item) {
            $options[$item] = in_array($item, $source_options);
        }
        $row->setSourceProperty('options', $options);
        $submitted = $this->themeSettings['toggle_node_info_' . $type] ?? FALSE;
        $row->setSourceProperty('display_submitted', $submitted);
        if ($default_node_menu = $this->variableGet('menu_default_node_menu', NULL)) {
            $row->setSourceProperty('available_menus', [
                $default_node_menu,
            ]);
            $row->setSourceProperty('parent', $default_node_menu . ':');
        }
        if ($this->moduleExists('comment')) {
            foreach (array_keys($this->getCommentFields()) as $field) {
                $row->setSourceProperty($field, $this->variableGet($field . '_' . $type, NULL));
            }
        }
        return parent::prepareRow($row);
    }
    
    /**
     * {@inheritdoc}
     */
    public function getIds() {
        $ids['type']['type'] = 'string';
        return $ids;
    }

}