<?php
/**
 * 告警模型
 */
class Warning_model extends CI_Model {

    private $collection_name = 'warning';

	public function __construct()
	{
		parent::__construct();
    }

    public function get_warning_with_id($id){
        return $this->mongo_db->where(array("warning_id"=> $id))->find_one($this->collection_name);
    }

    public function get_warning_with_objectid($oid){
	    if(!empty($oid)) {
            $_id = $this->mongo_db->get_mongo_id($oid);
            return $this->mongo_db->where(array("_id" => $_id))->find_one($this->collection_name);
        }
    }

    public function select_warning($field,$warning_id){
	    return $this->mongo_db->where(array("warning_id"=> $warning_id))->select($field)->find_one($this->collection_name);
    }

    public function aggregate($begin_datetime,$end_datetime,$group,$project=NULL,$where=NULL,$limit=NULL,$offset=NULL,$order = NULL){
        return $this->mongo_db->where_between("create_time",$begin_datetime,$end_datetime)->where($where)->order_by($order)->limit($limit)->offset($offset)->aggregate($this->collection_name,$group,$project);
    }

    public function list_warning($limit,$offset,$like = NULL,$where = NULL,$order = NULL){
        if(!$order){
            $order = array("create_time"=>"DESC");
        }
        if($like && $where){
            return  $this->mongo_db->like("warning_name",$like)->where($where)->order_by($order)->limit($limit)->offset($offset)->get($this->collection_name);
        }else if($like && !$where){
            return  $this->mongo_db->like("warning_name",$like)->order_by($order)->limit($limit)->offset($offset)->get($this->collection_name);
        }else if(!$like && $where){
            return  $this->mongo_db->where($where)->order_by($order)->limit($limit)->offset($offset)->get($this->collection_name);
        }else{
            return  $this->mongo_db->order_by($order)->limit($limit)->offset($offset)->get($this->collection_name);
        }
    }

    /**
     * 获取数据条数
     */
    public function count_warning($like = NULL,$where = NULL){
        if($like && $where){
            return $this->mongo_db->like("warning_name",$like)->where($where)->count($this->collection_name);
        }else if($like && !$where){
            return $this->mongo_db->like("warning_name",$like)->count($this->collection_name);
        }else if(!$like && $where){
            return $this->mongo_db->where($where)->count($this->collection_name);
        }else{
            return $this->mongo_db->count($this->collection_name);
        }
    }

    /**
     *新增告警
     */
    public function insert_warning($warning_data){
		return $this->mongo_db->insert($this->collection_name, $warning_data);
    }
    
    /**
     *更新告警 
     */
    public function update_warning($warning_data){
        $data['filter'] = array("warning_id"=>$warning_data['warning_id']);
        $data['update'] = $warning_data;
        return $this->mongo_db->update($this->collection_name,$data);
    }

    /**
     * 更新单个字段或多个字段的值
     * @param $field
     * @param $wheres
     * @param null $value
     * @return mixed
     */
    public function set_val($field,$wheres,$value = NULL){
        if(is_array($field)){
            return $this->mongo_db->set_wheres($wheres)->set($field)->update_all($this->collection_name);
        }else {
            return $this->mongo_db->set_wheres($wheres)->set($field, $value)->update_all($this->collection_name);
        }
    }

    /**
     * 删除告警
     */
    public function delete_warningr($id){
        return $this->mongo_db->where(array("warning_id"=>$id))->delete($this->collection_name);
    }

    /**
     * 删除多个告警
     */
    public function delete_all_warning($ids){
        return $this->mongo_db->where_in("warning_id",$ids)->delete_all($this->collection_name);
    }
    

}