<?php

class WorkerFlag {
  private $db;
  private $id;
  private $worker_id = null;
  private $name = null;
  private $value = null;
  private $user = null;
  
  public function __construct($worker_id, $name) {
    $this->db = FronkDB::singleton();
  
    $user = new User($worker_id);
    $this->user = $user;
    
    $name = $this->db->escape($name);
    $this->name = $name;
    
    $res = $this->db->select("WorkerFlag", "*", "worker_id=".$this->user->id." AND name='$name'");
    if($this->db->num_rows($res)) {
      $data = $this->db->fetch_object($res);
      $this->id = $data->id;
      $this->value = $data->value;
    }
  }

  public function value($value = null) {
    if($value !== null) {
      $this->value = $value;
    }
    return $this->value;
  }

  public function save() {
    $id = $this->id;
    
    $values['worker_id'] = $this->user->id;
    $values['name'] = $this->name;
    $values['value'] = $this->value;
    $values['edit_by'] = $this->user->id;
    $values['edit'] = date('U');
    
    if($id) {
      // update
      $this->db->update("WorkerFlag", $values, "id=$id");
    } else {
      // insert
      $values['create_by'] = $this->user->id;
      $values['create'] = date('U');
      $id = $this->db->insert("WorkerFlag", $values);
      $this->id = $id;
    }

  }
  
  public function delete() {
    if($this->id) {
      $this->db->delete("WorkerFlag", "id=".$this->id, 1);
    }
    return true;
  }

  public function __toString() {
    return (string) $this->value;
  }
}