distance calculation class finished

AddrMap.php

         return $this->dist/1000;
     }
     
+    public function get_route_json()
+    {
+        if ($this->error)
+            return null;
+        return $this->json;
+    }
+    
     private function update_db()
     {
         global $wpdb;
         $row = $wpdb->get_row($query);
         if ( $row == null )
             return false;
+        $this->json = json_decode($row->response);
         return (int) $row->distance; //in meters;
     }
     

ts.php

         $this->db = $wpdb;
         $this->table_name = $wpdb->prefix . 'acare_ts';
         $this->addr_table = $wpdb->prefix . 'acare_addr_distance';
+        $this->ndis_table = $wpdb->prefix . 'acare_ndis_price';
         
     }
     
         $this->xero = new Xero();
         $this->xero->init_wp();
         
-        $abc = new AddrMap("01515b52-6936-46b2-a000-9ad4cd7a5b50", "0768db6d-e5f4-4b45-89a2-29f7e8d2953c");
+        //$abc = new AddrMap("01515b52-6936-46b2-a000-9ad4cd7a5b50", "0768db6d-e5f4-4b45-89a2-29f7e8d2953c");
+        $abc = new AddrMap("122eb1d0-d8c4-4fc3-8bf8-b7825bee1a01", "0768db6d-e5f4-4b45-89a2-29f7e8d2953c");
+        
     }
     
     //init database
             PRIMARY KEY (id)
             ) $charset_collate;";
         
+        $ndis_table = $this->ndis_table;
+        $sql_ndis_price = "
+            CREATE TABLE $ndis_table (
+              code VARCHAR(45) NOT NULL,
+              name VARCHAR(45) NULL,
+              level INT NULL,
+              unit VARCHAR(45) NULL,
+              price FLOAT NULL,
+              year INT NOT NULL,
+              PRIMARY KEY (code, year)
+        )$charset_collate;";
         //create database
         require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
         dbDelta( $sql );
         dbDelta( $sql_addr);
+        dbDelta( $sql_ndis_price);
     }
     
     //