model.class.php

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<?php
class model {

        protected $_p = array();

        protected $_chgP = array();


        protected $_tbl_data = '';

        protected $_registry;

        protected $_id_name = 'id';

        function __construct($id, $table=null) {
                
                $this->_registry = registry::instance();

                if(!is_null($table)) $this->_tbl_data = $table;

                $this->_p = $this->initDbProp($id);

        }

        public function setIdName($id_name) {

                $this->_id_name = $id_name;

        }

        public function setTable($table) {
                
                $this->_tbl_data = $table;

        }

        protected function initDbProp($id) {

                $qr = $this->_registry->db->autoSelect(array("*"), array($this->_tbl_data), "id='$id'", null);
                if(count($qr)) {
                    $structure = $this->_registry->db->getTableStructure($this->_tbl_data);
                    $res = array();
                    foreach($qr[0] as $fname=>$fvalue) {
                        if($structure['fields'][$fname]['type']=='int') setType($fvalue, 'int');
                        elseif($structure['fields'][$fname]['type']=='float' || $structure['fields'][$fname]['type']=='double' || $structure['fields'][$fname]['type']=='decimal') setType($fvalue, 'float');
                        else setType($fvalue, 'string');
                        $res[$fname] = $fvalue;
                    }
                    return $res;
                }
                else return $this->initNullProp();

        }

        protected function initNullProp() {

                $res = array();
                $fields = $this->_registry->db->getFieldsName($this->_tbl_data);
                foreach($fields as $f) $res[$f] = null;

                return $res;

        }

        public function __get($pName) {

                if(!array_key_exists($pName, $this->_p)) return null;
                if(method_exists($this, 'get'.$pName)) return $this->{'get'.$pName}();
                else return $this->_p[$pName];
        }
        
        public function __set($pName, $value) {

                if(!array_key_exists($pName, $this->_p)) return false;
                if(method_exists($this, 'set'.$pName)) return $this->{'set'.$pName}($value);
                else {
                        if($this->_p[$pName]!=$value && !in_array($pName, $this->_chgP)) $this->_chgP[] = $pName;
                        $this->_p[$pName] = $value;
                        return true;
                }
        }

        public function saveData($insert=false) {
        
                $data = array();
                foreach($this->_chgP as $f) $data[$f] = $this->_p[$f];

                if(!$this->_p[$this->_id_name] || $insert) {
                        $res = $this->_registry->db->insert($this->_tbl_data, $data);
                        if($res) $this->_p[$this->_id_name] = $res;
                }
                else 
                        $res = $this->_registry->db->update($this->_tbl_data, $data, $this->_id_name."='".$this->_p[$this->_id_name]."'");

                return $res;
        }

        public function deleteData() {
        
                return $this->_registry->db->delete($this->_tbl_data, $this->_id_name."=".$this->_p[$this->_id_name]);
        }

}

?>