<?php
// +----------------------------------------------------------------------
// | Description: 产品
// +----------------------------------------------------------------------
// | Author:  Michael_xu | gengxiaoxu@5kcrm.com
// +----------------------------------------------------------------------
namespace app\bi\model;

use think\Db;
use app\admin\model\Common;
use think\Request;
use think\Validate;

class Product extends Common
{
	/**
     * 为了数据库的整洁，同时又不影响Model和Controller的名称
     * 我们约定每个模块的数据表都加上相同的前缀，比如CRM模块用crm作为数据表前缀
     */
	protected $name = 'crm_product';
    protected $createTime = 'create_time';
    protected $updateTime = 'update_time';
	protected $autoWriteTimestamp = true;

    /**
     * [产品分类销量分析]
     *
     * @param $request
     * @return mixed
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     */
	public function getStatistics($request)
    {
    	$where = $this->getWhere($request);
		$join  = [
			['__CRM_CONTRACT__ contract', 'contract.contract_id = a.contract_id', 'LEFT'],
			['__ADMIN_USER__ user', 'user.id = contract.owner_user_id', 'LEFT'],
			['__CRM_PRODUCT__ product', 'product.product_id = a.product_id', 'LEFT'],
			['__CRM_PRODUCT_CATEGORY__ product_category', 'product_category.category_id = product.category_id', 'LEFT'],
		];

		$sql = db('crm_contract_product')
				->alias('a')
				->where($where)
				->join($join)
				->group('a.product_id')
				->field('a.product_id,sum(a.num) as num,product.name as product_name,product_category.name as category_id_info,product_category.category_id')
				->fetchSql()
				->select();
		$list = queryCache($sql);

		$data = [];
		foreach ($list AS $key => $value) {
		    if (empty($data[$value['category_id']])) {
                $data[$value['category_id']] = $value;
            } else {
                $data[$value['category_id']]['num'] += $value['num'];
            }
        }

        return array_values($data);
    }

    /**
     * 产品成交客户数
     * @param  
     * @return 
     */
    function getDealByProduct($request)
    {
    	$where = $this->getWhere($request);
    	$where['customer.deal_status'] = '已成交';
    	$join = [
			['__CRM_CONTRACT__ contract', 'contract.contract_id = a.contract_id', 'LEFT'],
			['__ADMIN_USER__ user', 'user.id = contract.owner_user_id', 'LEFT'],
			['__CRM_PRODUCT__ product', 'product.product_id = a.product_id', 'LEFT'],
			['__CRM_PRODUCT_CATEGORY__ product_category', 'product_category.category_id = product.category_id', 'LEFT'],
			['__CRM_CUSTOMER__ customer', 'customer.customer_id = contract.customer_id', 'LEFT'],
		];

		$list = db('crm_contract_product')
				->alias('a')
				->where($where)
				->join($join)
				->group('a.product_id')
				->field('a.product_id,count(customer.customer_id) as num,product.name as product_name,product_category.name as category_id_info,product_category.category_id')
				->select();
        return $list;
    }

    /**
     * 产品成交周期
     * @param  
     * @return 
     */
    function getCycleByProduct($request,$product_id)
    {
    	$where = $this->getWhere($request);
    	$where['customer.deal_status'] = '已成交';
    	$where['a.product_id'] = $product_id;
    	$join = [
			['__CRM_CONTRACT__ contract', 'contract.contract_id = a.contract_id', 'LEFT'],
			['__ADMIN_USER__ user', 'user.id = contract.owner_user_id', 'LEFT'],
			['__CRM_PRODUCT__ product', 'product.product_id = a.product_id', 'LEFT'],
			['__CRM_PRODUCT_CATEGORY__ product_category', 'product_category.category_id = product.category_id', 'LEFT'],
			['__CRM_CUSTOMER__ customer', 'customer.customer_id = contract.customer_id', 'LEFT'],
		];

		$list = db('crm_contract_product')
				->alias('a')
				->where($where)
				->join($join)
				->order('order_date')
				->group('customer.customer_id')
				->field('customer.customer_id')
				->select();
	    $customer_ids = array();
	    foreach ($list as $key => $value) {
	    	$customer_ids[] = $value['customer_id'];
	    }
        return $customer_ids;
    }

    /**
     * 产品销量排行
     * @param  
     * @return 
     */
    function getSortByProduct($request)
    {
		$where = $this->getWhere($request);

		$join = [
			['__CRM_CONTRACT__ contract', 'contract.contract_id = a.contract_id', 'LEFT'],
			['__ADMIN_USER__ user', 'user.id = contract.owner_user_id', 'LEFT'],
			['__CRM_PRODUCT__ product', 'product.product_id = a.product_id', 'LEFT'],
			['__CRM_PRODUCT_CATEGORY__ product_category', 'product_category.category_id = product.category_id', 'LEFT'],
		];

		$sql = db('crm_contract_product')
				->alias('a')
				->where($where)
				->join($join)
				->order('num desc')
				->group('contract.owner_user_id')
				->field('sum(a.num) as num,contract.owner_user_id')
				->fetchSql()
				->select();
		$list = queryCache($sql);
        return $list;
    }

    /**
     * 获取条件
     * @param  
     * @return 
     */
    function getWhere($param)
    {   	
		$adminModel = new \app\admin\model\Admin();
		$userModel = new \app\admin\model\User();
        $perUserIds = $userModel->getUserByPer('bi', 'product', 'read'); //权限范围内userIds
        $whereData = $adminModel->getWhere($param, '', $perUserIds); //统计条件
        $userIds = $whereData['userIds'];        
        $between_time = $whereData['between_time']; 
        $where = [];
		if(!empty($param['category_id'])){
        	$where['product_category.category_id'] = array('eq',$param['category_id']);
        }
        $where['contract.check_status'] = array('eq',2);                
        $where['contract.owner_user_id'] = array('in',$userIds);
        $where['contract.create_time'] = array('between',$between_time);
		return $where;
    } 	
}