think\model\relation\HasOneThrough

Complexity

Total Complexity

27

Size/Duplication

Total Lines	305
Duplicated Lines	0 %

Test Coverage

Coverage

0%

Importance

Changes

0

10 Methods

Rating	Name	Duplication	Size	Complexity
A	getRelation()	0	15	3
A	eagerlyResult()	0	21	2
A	hasWhere()	0	3	1
A	__construct()	0	10	1
A	has()	0	3	1
B	eagerlyResultSet()	0	36	6
A	eagerlyWhere()	0	20	3
A	relationCount()	0	28	4
A	getRelationCountQuery()	0	23	3
A	baseQuery()	0	19	3

<?php
// +----------------------------------------------------------------------

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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2019 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------

namespace think\model\relation;

use Closure;
use think\App;
use think\db\Query;
use think\Exception;
use think\Model;
use think\model\Relation;

/**
 * 远程一对一关联类
 */

Missing @category tag in class comment

Missing @package tag in class comment

Missing @author tag in class comment

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Missing @link tag in class comment

class HasOneThrough extends Relation
{
    /**
     * 中间关联表外键
     * @var string
     */
    protected $throughKey;

    /**
     * 中间主键
     * @var string
     */
    protected $throughPk;

    /**
     * 中间表查询对象
     * @var Query
     */
    protected $through;

    /**
     * 架构函数
     * @access public
     * @param  Model  $parent     上级模型对象
     * @param  string $model      模型名
     * @param  string $through    中间模型名
     * @param  string $foreignKey 关联外键
     * @param  string $throughKey 关联外键
     * @param  string $localKey   当前主键
     * @param  string $throughPk  中间表主键
     */
    public function __construct(Model $parent, string $model, string $through, string $foreignKey, string $throughKey, string $localKey, string $throughPk)
    {
        $this->parent     = $parent;
        $this->model      = $model;
        $this->through    = (new $through)->db();
        $this->foreignKey = $foreignKey;
        $this->throughKey = $throughKey;
        $this->localKey   = $localKey;
        $this->throughPk  = $throughPk;
        $this->query      = (new $model)->db();
    }

    /**
     * 延迟获取关联数据
     * @access public
     * @param  array   $subRelation 子关联名
     * @param  Closure $closure     闭包查询条件
     * @return Model
     */
    public function getRelation(array $subRelation = [], \Closure $closure = null)
    {
        if ($closure) {
            $closure($this->query);
        }

        $this->baseQuery();

        $relationModel = $this->query->relation($subRelation)->find();

        if ($relationModel) {

$relationModel is of type think\Model, thus it always evaluated to true.

            $relationModel->setParent(clone $this->parent);
        }

        return $relationModel;
    }

    /**
     * 根据关联条件查询当前模型
     * @access public
     * @param  string  $operator 比较操作符
     * @param  integer $count    个数
     * @param  string  $id       关联表的统计字段
     * @param  string  $joinType JOIN类型
     * @return Query
     */
    public function has(string $operator = '>=', int $count = 1, string $id = '*', $joinType = '')
    {
        return $this->parent;

The expression return $this->parent returns the type think\Model which is incompatible with the documented return type think\db\Query.

    }

    /**
     * 根据关联条件查询当前模型
     * @access public
     * @param  mixed  $where 查询条件（数组或者闭包）

Expected 4 spaces after parameter name; 1 found

     * @param  mixed  $fields 字段

Expected 3 spaces after parameter name; 1 found

     * @param  string $joinType JOIN类型
     * @return Query
     */
    public function hasWhere($where = [], $fields = null, $joinType = '')
    {
        throw new Exception('relation not support: hasWhere');
    }

    /**
     * 预载入关联查询（数据集）
     * @access protected
     * @param  array   $resultSet   数据集
     * @param  string  $relation    当前关联名
     * @param  array   $subRelation 子关联名
     * @param  Closure $closure     闭包
     * @return void
     */
    public function eagerlyResultSet(array &$resultSet, string $relation, array $subRelation = [], Closure $closure = null): void
    {
        $localKey   = $this->localKey;
        $foreignKey = $this->foreignKey;

        $range = [];
        foreach ($resultSet as $result) {
            // 获取关联外键列表
            if (isset($result->$localKey)) {
                $range[] = $result->$localKey;
            }
        }

        if (!empty($range)) {
            $this->query->removeWhereField($foreignKey);

            $data = $this->eagerlyWhere([

The opening parenthesis of a multi-line function call should be the last content on the line.

                [$this->foreignKey, 'in', $range],
            ], $foreignKey, $relation, $subRelation, $closure);

For multi-line function calls, the closing parenthesis should be on a new line.

            // 关联属性名
            $attr = App::parseName($relation);

            // 关联数据封装
            foreach ($resultSet as $result) {
                // 关联模型
                if (!isset($data[$result->$localKey])) {
                    $relationModel = null;
                } else {
                    $relationModel = $data[$result->$localKey];
                    $relationModel->setParent(clone $result);
                    $relationModel->exists(true);
                }

                // 设置关联属性
                $result->setRelation($attr, $relationModel);
            }
        }
    }

    /**
     * 预载入关联查询（数据）
     * @access protected
     * @param  Model   $result      数据对象
     * @param  string  $relation    当前关联名
     * @param  array   $subRelation 子关联名
     * @param  Closure $closure     闭包
     * @return void
     */
    public function eagerlyResult(Model $result, string $relation, array $subRelation = [], Closure $closure = null): void
    {
        $localKey   = $this->localKey;
        $foreignKey = $this->foreignKey;

        $this->query->removeWhereField($foreignKey);

        $data = $this->eagerlyWhere([

The opening parenthesis of a multi-line function call should be the last content on the line.

            [$foreignKey, '=', $result->$localKey],
        ], $foreignKey, $relation, $subRelation, $closure);

For multi-line function calls, the closing parenthesis should be on a new line.

        // 关联模型
        if (!isset($data[$result->$localKey])) {
            $relationModel = null;
        } else {
            $relationModel = $data[$result->$localKey];
            $relationModel->setParent(clone $result);
            $relationModel->exists(true);
        }

        $result->setRelation(App::parseName($relation), $relationModel);
    }

    /**
     * 关联模型预查询
     * @access public
     * @param  array   $where       关联预查询条件
     * @param  string  $key         关联键名
     * @param  string  $relation    关联名
     * @param  array   $subRelation 子关联
     * @param  Closure $closure

Missing parameter comment

     * @return array
     */
    protected function eagerlyWhere(array $where, string $key, string $relation, array $subRelation = [], Closure $closure = null)
    {
        // 预载入关联查询 支持嵌套预载入
        $keys = $this->through->where($where)->column($this->throughPk, $this->foreignKey);

        if ($closure) {
            $closure($this->query);
        }

        $list = $this->query->where($this->throughKey, 'in', $keys)->select();

        // 组装模型数据
        $data = [];
        $keys = array_flip($keys);

        foreach ($list as $set) {
            $data[$keys[$set->{$this->throughKey}]] = $set;
        }

        return $data;
    }

    /**
     * 关联统计
     * @access public
     * @param  Model   $result  数据对象

Expected 4 spaces after parameter name; 2 found

     * @param  Closure $closure 闭包

Expected 3 spaces after parameter name; 1 found

     * @param  string  $aggregate 聚合查询方法
     * @param  string  $field 字段

Expected 5 spaces after parameter name; 1 found

     * @param  string  $name 统计字段别名

Expected 6 spaces after parameter name; 1 found

     * @return integer
     */
    public function relationCount(Model $result, Closure $closure, string $aggregate = 'count', string $field = '*', string &$name = null)
    {
        $localKey = $this->localKey;

        if (!isset($result->$localKey)) {
            return 0;
        }

        if ($closure) {

$closure is of type Closure, thus it always evaluated to true.

            $closure($this->query, $name);
        }

        $alias        = App::parseName(App::classBaseName($this->model));
        $throughTable = $this->through->getTable();
        $pk           = $this->throughPk;
        $throughKey   = $this->throughKey;
        $modelTable   = $this->parent->getTable();

The method getTable() does not exist on think\Model. Since you implemented __call, consider adding a @method annotation.

        if (false === strpos($field, '.')) {
            $field = $alias . '.' . $field;
        }

        return $this->query
            ->alias($alias)
            ->join($throughTable, $throughTable . '.' . $pk . '=' . $alias . '.' . $throughKey)
            ->join($modelTable, $modelTable . '.' . $this->localKey . '=' . $throughTable . '.' . $this->foreignKey)
            ->where($throughTable . '.' . $this->foreignKey, $result->$localKey)
            ->$aggregate($field);
    }

    /**
     * 创建关联统计子查询
     * @access public
     * @param  Closure $closure 闭包

Expected 3 spaces after parameter name; 1 found

     * @param  string  $aggregate 聚合查询方法
     * @param  string  $field 字段

Expected 5 spaces after parameter name; 1 found

     * @param  string  $name 统计字段别名

Expected 6 spaces after parameter name; 1 found

     * @return string
     */
    public function getRelationCountQuery(Closure $closure = null, string $aggregate = 'count', string $field = '*', string &$name = null): string
    {
        if ($closure) {
            $closure($this->query, $name);
        }

        $alias        = App::parseName(App::classBaseName($this->model));
        $throughTable = $this->through->getTable();
        $pk           = $this->throughPk;
        $throughKey   = $this->throughKey;
        $modelTable   = $this->parent->getTable();

        if (false === strpos($field, '.')) {
            $field = $alias . '.' . $field;
        }

        return $this->query
            ->alias($alias)
            ->join($throughTable, $throughTable . '.' . $pk . '=' . $alias . '.' . $throughKey)
            ->join($modelTable, $modelTable . '.' . $this->localKey . '=' . $throughTable . '.' . $this->foreignKey)
            ->whereExp($throughTable . '.' . $this->foreignKey, '=' . $this->parent->getTable() . '.' . $this->localKey)
            ->fetchSql()
            ->$aggregate($field);
    }

    /**
     * 执行基础查询（仅执行一次）
     * @access protected
     * @return void
     */
    protected function baseQuery(): void
    {
        if (empty($this->baseQuery) && $this->parent->getData()) {
            $through      = $this->through;
            $alias        = App::parseName(App::classBaseName($this->model));
            $throughTable = $through::getTable();
            $pk           = (new $through)->getPk();

The call to think\db\Query::__construct() has too few arguments starting with connection.

            $throughKey   = $this->throughKey;
            $modelTable   = $this->parent->getTable();
            $fields       = $this->getQueryFields($alias);

            $this->query
                ->field($fields)
                ->alias($alias)
                ->join($throughTable, $throughTable . '.' . $pk . '=' . $alias . '.' . $throughKey)
                ->join($modelTable, $modelTable . '.' . $this->localKey . '=' . $throughTable . '.' . $this->foreignKey)
                ->where($throughTable . '.' . $this->foreignKey, $this->parent->{$this->localKey});

            $this->baseQuery = true;
        }
    }

}