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contributions/countries/model/classes/countries.model.php

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<?php
/**
 * Model class for countries
 * 
 * @author Gerd Riesselmann
 * @ingroup Countries
 */
class DAOCountries extends DataObjectBase implements ISelfDescribing, IHierarchic {
    public $id;
    public $id_continent;
        public $code3;
        public $codenum;
    public $name;

    /**
     * Create table definition
     *
     * @return DBTable
     */
    protected function create_table_object() {
        return new DBTable(
            'countries',
            array(
                new DBFieldText('id', 2, null, DBField::NOT_NULL),
                new DBFieldText('id_continent', 2, null, DBField::NOT_NULL),
                new DBFieldText('name', 50, null, DBField::NOT_NULL),
                new DBFieldText('code3', 3, null, DBField::NONE),
                                new DBFieldInt('codenum', null, DBField::NONE)
            ),
            'id',
            new DBRelation(
                'continents',
                new DBFieldRelation('id_continent', 'id')
            )
        );
    }
    
    /**
     * Returns continent of this country
     * 
     * @return DAOContinents
     */
    public function get_continent() {
        return Countries::get_continent($this->id_continent);
    }

        /**
         * Returns whether country is in group or not
         *
         * @param int $group_id ID of group
         * @return bool
         */
        public function is_in_group($group_id) {
                $link = new DAOCountries2countriesgroups();
                $link->id_group = $group_id;
                $link->id_country = $this->id;
                return $link->count() > 0;
        }

        // ************************************
        // ISelfDescribing
        // ************************************
        
        /**
         * Get title for this class
         * 
         * @return string
         */
        public function get_title() {
                return tr($this->name, 'countries');
        }

        /**
         * Get description for this instance
         *  
         * @return string 
         */
        public function get_description() {
                return '';
        }
        
        // *************************************
        // IHierarchic
        // *************************************
                
        /**
         * Get parent for this item 
         * 
         * @return IHierarchic Parent item or null
         */
        public function get_parent() {
                return $this->get_continent();
        }
        
        /**
         * Get childs for this item 
         * 
         * @return array Array of IHierarchic items
         */
        public function get_childs() {
                return array();
        }
}

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