top-think /
framework
| Total Complexity | 98 |
| Total Lines | 635 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like RelationShip often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use RelationShip, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 31 | trait RelationShip |
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| 32 | { |
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| 33 | /** |
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| 34 | * 父关联模型对象 |
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| 35 | * @var object |
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| 36 | */ |
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| 37 | private $parent; |
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| 38 | |||
| 39 | /** |
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| 40 | * 模型关联数据 |
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| 41 | * @var array |
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| 42 | */ |
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| 43 | private $relation = []; |
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| 44 | |||
| 45 | /** |
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| 46 | * 关联写入定义信息 |
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| 47 | * @var array |
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| 48 | */ |
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| 49 | private $together; |
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| 50 | |||
| 51 | /** |
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| 52 | * 关联自动写入信息 |
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| 53 | * @var array |
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| 54 | */ |
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| 55 | protected $relationWrite; |
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| 56 | |||
| 57 | /** |
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| 58 | * 设置父关联对象 |
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| 59 | * @access public |
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| 60 | * @param Model $model 模型对象 |
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| 61 | * @return $this |
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| 62 | */ |
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| 63 | public function setParent($model) |
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| 64 | { |
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| 65 | $this->parent = $model; |
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| 66 | |||
| 67 | return $this; |
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| 68 | } |
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| 69 | |||
| 70 | /** |
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| 71 | * 获取父关联对象 |
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| 72 | * @access public |
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| 73 | * @return Model |
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| 74 | */ |
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| 75 | public function getParent() |
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| 76 | { |
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| 77 | return $this->parent; |
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| 78 | } |
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| 79 | |||
| 80 | /** |
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| 81 | * 获取当前模型的关联模型数据 |
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| 82 | * @access public |
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| 83 | * @param string $name 关联方法名 |
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| 84 | * @return mixed |
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| 85 | */ |
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| 86 | public function getRelation($name = null) |
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| 87 | { |
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| 88 | if (is_null($name)) { |
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| 89 | return $this->relation; |
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| 90 | } elseif (array_key_exists($name, $this->relation)) { |
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| 91 | return $this->relation[$name]; |
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| 92 | } |
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| 93 | return; |
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| 94 | } |
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| 95 | |||
| 96 | /** |
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| 97 | * 设置关联数据对象值 |
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| 98 | * @access public |
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| 99 | * @param string $name 属性名 |
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| 100 | * @param mixed $value 属性值 |
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| 101 | * @param array $data 数据 |
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| 102 | * @return $this |
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| 103 | */ |
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| 104 | public function setRelation($name, $value, $data = []) |
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| 105 | { |
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| 106 | // 检测修改器 |
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| 107 | $method = 'set' . Loader::parseName($name, 1) . 'Attr'; |
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| 108 | |||
| 109 | if (method_exists($this, $method)) { |
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| 110 | $value = $this->$method($value, array_merge($this->data, $data)); |
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| 111 | } |
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| 112 | |||
| 113 | $this->relation[$name] = $value; |
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| 114 | |||
| 115 | return $this; |
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| 116 | } |
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| 117 | |||
| 118 | /** |
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| 119 | * 关联数据写入 |
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| 120 | * @access public |
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| 121 | * @param array|string $relation 关联 |
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| 122 | * @return $this |
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| 123 | */ |
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| 124 | public function together($relation) |
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| 125 | { |
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| 126 | if (is_string($relation)) { |
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| 127 | $relation = explode(',', $relation); |
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| 128 | } |
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| 129 | |||
| 130 | $this->together = $relation; |
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| 131 | |||
| 132 | $this->checkAutoRelationWrite(); |
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| 133 | |||
| 134 | return $this; |
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| 135 | } |
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| 136 | |||
| 137 | /** |
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| 138 | * 根据关联条件查询当前模型 |
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| 139 | * @access public |
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| 140 | * @param string $relation 关联方法名 |
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| 141 | * @param mixed $operator 比较操作符 |
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| 142 | * @param integer $count 个数 |
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| 143 | * @param string $id 关联表的统计字段 |
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| 144 | * @param string $joinType JOIN类型 |
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| 145 | * @return Query |
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| 146 | */ |
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| 147 | public static function has($relation, $operator = '>=', $count = 1, $id = '*', $joinType = 'INNER') |
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| 148 | { |
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| 149 | $relation = (new static())->$relation(); |
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| 150 | |||
| 151 | if (is_array($operator) || $operator instanceof \Closure) { |
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| 152 | return $relation->hasWhere($operator); |
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| 153 | } |
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| 154 | |||
| 155 | return $relation->has($operator, $count, $id, $joinType); |
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| 156 | } |
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| 157 | |||
| 158 | /** |
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| 159 | * 根据关联条件查询当前模型 |
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| 160 | * @access public |
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| 161 | * @param string $relation 关联方法名 |
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| 162 | * @param mixed $where 查询条件（数组或者闭包） |
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| 163 | * @param mixed $fields 字段 |
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| 164 | * @return Query |
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| 165 | */ |
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| 166 | public static function hasWhere($relation, $where = [], $fields = '*') |
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| 167 | { |
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| 168 | return (new static())->$relation()->hasWhere($where, $fields); |
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| 169 | } |
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| 170 | |||
| 171 | /** |
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| 172 | * 查询当前模型的关联数据 |
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| 173 | * @access public |
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| 174 | * @param string|array $relations 关联名 |
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| 175 | * @param array $withRelationAttr 关联获取器 |
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| 176 | * @return $this |
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| 177 | */ |
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| 178 | public function relationQuery($relations, $withRelationAttr = []) |
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| 179 | { |
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| 180 | if (is_string($relations)) { |
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| 181 | $relations = explode(',', $relations); |
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| 182 | } |
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| 183 | |||
| 184 | foreach ($relations as $key => $relation) { |
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| 185 | $subRelation = ''; |
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| 186 | $closure = null; |
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| 187 | |||
| 188 | if ($relation instanceof \Closure) { |
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| 189 | // 支持闭包查询过滤关联条件 |
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| 190 | $closure = $relation; |
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| 191 | $relation = $key; |
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| 192 | } |
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| 193 | |||
| 194 | if (is_array($relation)) { |
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| 195 | $subRelation = $relation; |
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| 196 | $relation = $key; |
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| 197 | } elseif (strpos($relation, '.')) { |
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| 198 | list($relation, $subRelation) = explode('.', $relation, 2); |
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| 199 | } |
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| 200 | |||
| 201 | $method = Loader::parseName($relation, 1, false); |
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| 202 | $relationName = Loader::parseName($relation); |
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| 203 | |||
| 204 | $relationResult = $this->$method(); |
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| 205 | |||
| 206 | if (isset($withRelationAttr[$relationName])) { |
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| 207 | $relationResult->withAttr($withRelationAttr[$relationName]); |
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| 208 | } |
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| 209 | |||
| 210 | $this->relation[$relation] = $relationResult->getRelation($subRelation, $closure); |
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| 211 | } |
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| 212 | |||
| 213 | return $this; |
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| 214 | } |
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| 215 | |||
| 216 | /** |
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| 217 | * 预载入关联查询 返回数据集 |
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| 218 | * @access public |
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| 219 | * @param array $resultSet 数据集 |
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| 220 | * @param string $relation 关联名 |
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| 221 | * @param array $withRelationAttr 关联获取器 |
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| 222 | * @param bool $join 是否为JOIN方式 |
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| 223 | * @return array |
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| 224 | */ |
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| 225 | public function eagerlyResultSet(&$resultSet, $relation, $withRelationAttr = [], $join = false) |
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| 226 | { |
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| 227 | $relations = is_string($relation) ? explode(',', $relation) : $relation; |
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| 228 | |||
| 229 | foreach ($relations as $key => $relation) { |
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| 230 | $subRelation = ''; |
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| 231 | $closure = null; |
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| 232 | |||
| 233 | if ($relation instanceof \Closure) { |
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| 234 | $closure = $relation; |
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| 235 | $relation = $key; |
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| 236 | } |
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| 237 | |||
| 238 | if (is_array($relation)) { |
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| 239 | $subRelation = $relation; |
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| 240 | $relation = $key; |
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| 241 | } elseif (strpos($relation, '.')) { |
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| 242 | list($relation, $subRelation) = explode('.', $relation, 2); |
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| 243 | } |
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| 244 | |||
| 245 | $relation = Loader::parseName($relation, 1, false); |
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| 246 | $relationName = Loader::parseName($relation); |
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| 247 | |||
| 248 | $relationResult = $this->$relation(); |
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| 249 | |||
| 250 | if (isset($withRelationAttr[$relationName])) { |
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| 251 | $relationResult->withAttr($withRelationAttr[$relationName]); |
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| 252 | } |
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| 253 | |||
| 254 | $relationResult->eagerlyResultSet($resultSet, $relation, $subRelation, $closure, $join); |
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| 255 | } |
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| 256 | } |
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| 257 | |||
| 258 | /** |
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| 259 | * 预载入关联查询 返回模型对象 |
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| 260 | * @access public |
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| 261 | * @param Model $result 数据对象 |
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| 262 | * @param string $relation 关联名 |
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| 263 | * @param array $withRelationAttr 关联获取器 |
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| 264 | * @param bool $join 是否为JOIN方式 |
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| 265 | * @return Model |
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| 266 | */ |
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| 267 | public function eagerlyResult(&$result, $relation, $withRelationAttr = [], $join = false) |
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| 268 | { |
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| 269 | $relations = is_string($relation) ? explode(',', $relation) : $relation; |
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| 270 | |||
| 271 | foreach ($relations as $key => $relation) { |
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| 272 | $subRelation = ''; |
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| 273 | $closure = null; |
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| 274 | |||
| 275 | if ($relation instanceof \Closure) { |
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| 276 | $closure = $relation; |
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| 277 | $relation = $key; |
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| 278 | } |
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| 279 | |||
| 280 | if (is_array($relation)) { |
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| 281 | $subRelation = $relation; |
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| 282 | $relation = $key; |
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| 283 | } elseif (strpos($relation, '.')) { |
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| 284 | list($relation, $subRelation) = explode('.', $relation, 2); |
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| 285 | } |
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| 286 | |||
| 287 | $relation = Loader::parseName($relation, 1, false); |
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| 288 | $relationName = Loader::parseName($relation); |
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| 289 | |||
| 290 | $relationResult = $this->$relation(); |
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| 291 | |||
| 292 | if (isset($withRelationAttr[$relationName])) { |
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| 293 | $relationResult->withAttr($withRelationAttr[$relationName]); |
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| 294 | } |
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| 295 | |||
| 296 | $relationResult->eagerlyResult($result, $relation, $subRelation, $closure, $join); |
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| 297 | } |
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| 298 | } |
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| 299 | |||
| 300 | /** |
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| 301 | * 关联统计 |
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| 302 | * @access public |
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| 303 | * @param Model $result 数据对象 |
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| 304 | * @param array $relations 关联名 |
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| 305 | * @param string $aggregate 聚合查询方法 |
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| 306 | * @param string $field 字段 |
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| 307 | * @return void |
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| 308 | */ |
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| 309 | public function relationCount(&$result, $relations, $aggregate = 'sum', $field = '*') |
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| 310 | { |
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| 311 | foreach ($relations as $key => $relation) { |
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| 312 | $closure = $name = null; |
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| 313 | |||
| 314 | if ($relation instanceof \Closure) { |
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| 315 | $closure = $relation; |
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| 316 | $relation = $key; |
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| 317 | } elseif (is_string($key)) { |
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| 318 | $name = $relation; |
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| 319 | $relation = $key; |
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| 320 | } |
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| 321 | |||
| 322 | $relation = Loader::parseName($relation, 1, false); |
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| 323 | |||
| 324 | $count = $this->$relation()->relationCount($result, $closure, $aggregate, $field, $name); |
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| 325 | |||
| 326 | if (empty($name)) { |
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| 327 | $name = Loader::parseName($relation) . '_' . $aggregate; |
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| 328 | } |
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| 329 | |||
| 330 | $result->setAttr($name, $count); |
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| 331 | } |
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| 332 | } |
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| 333 | |||
| 334 | /** |
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| 335 | * HAS ONE 关联定义 |
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| 336 | * @access public |
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| 337 | * @param string $model 模型名 |
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| 338 | * @param string $foreignKey 关联外键 |
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| 339 | * @param string $localKey 当前主键 |
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| 340 | * @return HasOne |
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| 341 | */ |
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| 342 | public function hasOne($model, $foreignKey = '', $localKey = '') |
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| 343 | { |
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| 344 | // 记录当前关联信息 |
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| 345 | $model = $this->parseModel($model); |
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| 346 | $localKey = $localKey ?: $this->getPk(); |
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| 347 | $foreignKey = $foreignKey ?: $this->getForeignKey($this->name); |
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| 348 | |||
| 349 | return new HasOne($this, $model, $foreignKey, $localKey); |
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| 350 | } |
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| 351 | |||
| 352 | /** |
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| 353 | * BELONGS TO 关联定义 |
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| 354 | * @access public |
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| 355 | * @param string $model 模型名 |
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| 356 | * @param string $foreignKey 关联外键 |
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| 357 | * @param string $localKey 关联主键 |
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| 358 | * @return BelongsTo |
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| 359 | */ |
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| 360 | public function belongsTo($model, $foreignKey = '', $localKey = '') |
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| 361 | { |
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| 362 | // 记录当前关联信息 |
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| 363 | $model = $this->parseModel($model); |
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| 364 | $foreignKey = $foreignKey ?: $this->getForeignKey((new $model)->getName()); |
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| 365 | $localKey = $localKey ?: (new $model)->getPk(); |
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| 366 | $trace = debug_backtrace(false, 2); |
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| 367 | $relation = Loader::parseName($trace[1]['function']); |
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| 368 | |||
| 369 | return new BelongsTo($this, $model, $foreignKey, $localKey, $relation); |
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| 370 | } |
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| 371 | |||
| 372 | /** |
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| 373 | * HAS MANY 关联定义 |
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| 374 | * @access public |
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| 375 | * @param string $model 模型名 |
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| 376 | * @param string $foreignKey 关联外键 |
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| 377 | * @param string $localKey 当前主键 |
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| 378 | * @return HasMany |
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| 379 | */ |
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| 380 | public function hasMany($model, $foreignKey = '', $localKey = '') |
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| 381 | { |
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| 382 | // 记录当前关联信息 |
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| 383 | $model = $this->parseModel($model); |
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| 384 | $localKey = $localKey ?: $this->getPk(); |
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| 385 | $foreignKey = $foreignKey ?: $this->getForeignKey($this->name); |
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| 386 | |||
| 387 | return new HasMany($this, $model, $foreignKey, $localKey); |
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| 388 | } |
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| 389 | |||
| 390 | /** |
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| 391 | * HAS MANY 远程关联定义 |
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| 392 | * @access public |
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| 393 | * @param string $model 模型名 |
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| 394 | * @param string $through 中间模型名 |
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| 395 | * @param string $foreignKey 关联外键 |
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| 396 | * @param string $throughKey 关联外键 |
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| 397 | * @param string $localKey 当前主键 |
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| 398 | * @return HasManyThrough |
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| 399 | */ |
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| 400 | public function hasManyThrough($model, $through, $foreignKey = '', $throughKey = '', $localKey = '') |
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| 401 | { |
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| 402 | // 记录当前关联信息 |
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| 403 | $model = $this->parseModel($model); |
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| 404 | $through = $this->parseModel($through); |
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| 405 | $localKey = $localKey ?: $this->getPk(); |
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| 406 | $foreignKey = $foreignKey ?: $this->getForeignKey($this->name); |
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| 407 | $throughKey = $throughKey ?: $this->getForeignKey((new $through)->getName()); |
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| 408 | |||
| 409 | return new HasManyThrough($this, $model, $through, $foreignKey, $throughKey, $localKey); |
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| 410 | } |
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| 411 | |||
| 412 | /** |
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| 413 | * BELONGS TO MANY 关联定义 |
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| 414 | * @access public |
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| 415 | * @param string $model 模型名 |
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| 416 | * @param string $table 中间表名 |
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| 417 | * @param string $foreignKey 关联外键 |
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| 418 | * @param string $localKey 当前模型关联键 |
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| 419 | * @return BelongsToMany |
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| 420 | */ |
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| 421 | public function belongsToMany($model, $table = '', $foreignKey = '', $localKey = '') |
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| 422 | { |
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| 423 | // 记录当前关联信息 |
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| 424 | $model = $this->parseModel($model); |
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| 425 | $name = Loader::parseName(basename(str_replace('\\', '/', $model))); |
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| 426 | $table = $table ?: Loader::parseName($this->name) . '_' . $name; |
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| 427 | $foreignKey = $foreignKey ?: $name . '_id'; |
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| 428 | $localKey = $localKey ?: $this->getForeignKey($this->name); |
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| 429 | |||
| 430 | return new BelongsToMany($this, $model, $table, $foreignKey, $localKey); |
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| 431 | } |
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| 432 | |||
| 433 | /** |
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| 434 | * MORPH One 关联定义 |
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| 435 | * @access public |
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| 436 | * @param string $model 模型名 |
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| 437 | * @param string|array $morph 多态字段信息 |
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| 438 | * @param string $type 多态类型 |
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| 439 | * @return MorphOne |
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| 440 | */ |
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| 441 | public function morphOne($model, $morph = null, $type = '') |
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| 442 | { |
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| 443 | // 记录当前关联信息 |
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| 444 | $model = $this->parseModel($model); |
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| 445 | |||
| 446 | if (is_null($morph)) { |
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| 447 | $trace = debug_backtrace(false, 2); |
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| 448 | $morph = Loader::parseName($trace[1]['function']); |
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| 449 | } |
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| 450 | |||
| 451 | if (is_array($morph)) { |
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| 452 | list($morphType, $foreignKey) = $morph; |
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| 453 | } else { |
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| 454 | $morphType = $morph . '_type'; |
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| 455 | $foreignKey = $morph . '_id'; |
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| 456 | } |
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| 457 | |||
| 458 | $type = $type ?: get_class($this); |
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| 459 | |||
| 460 | return new MorphOne($this, $model, $foreignKey, $morphType, $type); |
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| 461 | } |
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| 462 | |||
| 463 | /** |
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| 464 | * MORPH MANY 关联定义 |
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| 465 | * @access public |
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| 466 | * @param string $model 模型名 |
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| 467 | * @param string|array $morph 多态字段信息 |
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| 468 | * @param string $type 多态类型 |
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| 469 | * @return MorphMany |
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| 470 | */ |
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| 471 | public function morphMany($model, $morph = null, $type = '') |
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| 472 | { |
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| 473 | // 记录当前关联信息 |
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| 474 | $model = $this->parseModel($model); |
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| 475 | |||
| 476 | if (is_null($morph)) { |
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| 477 | $trace = debug_backtrace(false, 2); |
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| 478 | $morph = Loader::parseName($trace[1]['function']); |
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| 479 | } |
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| 480 | |||
| 481 | $type = $type ?: get_class($this); |
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| 482 | |||
| 483 | if (is_array($morph)) { |
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| 484 | list($morphType, $foreignKey) = $morph; |
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| 485 | } else { |
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| 486 | $morphType = $morph . '_type'; |
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| 487 | $foreignKey = $morph . '_id'; |
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| 488 | } |
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| 489 | |||
| 490 | return new MorphMany($this, $model, $foreignKey, $morphType, $type); |
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| 491 | } |
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| 492 | |||
| 493 | /** |
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| 494 | * MORPH TO 关联定义 |
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| 495 | * @access public |
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| 496 | * @param string|array $morph 多态字段信息 |
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| 497 | * @param array $alias 多态别名定义 |
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| 498 | * @return MorphTo |
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| 499 | */ |
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| 500 | public function morphTo($morph = null, $alias = []) |
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| 501 | { |
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| 502 | $trace = debug_backtrace(false, 2); |
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| 503 | $relation = Loader::parseName($trace[1]['function']); |
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| 504 | |||
| 505 | if (is_null($morph)) { |
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| 506 | $morph = $relation; |
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| 507 | } |
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| 508 | |||
| 509 | // 记录当前关联信息 |
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| 510 | if (is_array($morph)) { |
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| 511 | list($morphType, $foreignKey) = $morph; |
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| 512 | } else { |
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| 513 | $morphType = $morph . '_type'; |
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| 514 | $foreignKey = $morph . '_id'; |
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| 515 | } |
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| 516 | |||
| 517 | return new MorphTo($this, $morphType, $foreignKey, $alias, $relation); |
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| 518 | } |
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| 519 | |||
| 520 | /** |
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| 521 | * 解析模型的完整命名空间 |
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| 522 | * @access protected |
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| 523 | * @param string $model 模型名（或者完整类名） |
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| 524 | * @return string |
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| 525 | */ |
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| 526 | protected function parseModel($model) |
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| 527 | { |
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| 528 | if (false === strpos($model, '\\')) { |
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| 529 | $path = explode('\\', static::class); |
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| 530 | array_pop($path); |
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| 531 | array_push($path, Loader::parseName($model, 1)); |
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| 532 | $model = implode('\\', $path); |
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| 533 | } |
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| 534 | |||
| 535 | return $model; |
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| 536 | } |
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| 537 | |||
| 538 | /** |
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| 539 | * 获取模型的默认外键名 |
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| 540 | * @access protected |
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| 541 | * @param string $name 模型名 |
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| 542 | * @return string |
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| 543 | */ |
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| 544 | protected function getForeignKey($name) |
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| 551 | } |
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| 552 | |||
| 553 | /** |
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| 554 | * 检查属性是否为关联属性 如果是则返回关联方法名 |
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| 555 | * @access protected |
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| 556 | * @param string $attr 关联属性名 |
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| 557 | * @return string|false |
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| 558 | */ |
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| 559 | protected function isRelationAttr($attr) |
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| 560 | { |
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| 561 | $relation = Loader::parseName($attr, 1, false); |
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| 562 | |||
| 563 | if (method_exists($this, $relation) && !method_exists('think\Model', $relation)) { |
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| 564 | return $relation; |
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| 565 | } |
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| 566 | |||
| 567 | return false; |
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| 568 | } |
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| 569 | |||
| 570 | /** |
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| 571 | * 智能获取关联模型数据 |
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| 572 | * @access protected |
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| 573 | * @param Relation $modelRelation 模型关联对象 |
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| 574 | * @return mixed |
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| 575 | */ |
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| 576 | protected function getRelationData(Relation $modelRelation) |
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| 577 | { |
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| 578 | if ($this->parent && !$modelRelation->isSelfRelation() && get_class($this->parent) == get_class($modelRelation->getModel())) { |
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| 579 | $value = $this->parent; |
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| 580 | } else { |
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| 581 | // 获取关联数据 |
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| 582 | $value = $modelRelation->getRelation(); |
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| 583 | } |
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| 584 | |||
| 585 | return $value; |
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| 586 | } |
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| 587 | |||
| 588 | /** |
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| 589 | * 关联数据自动写入检查 |
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| 590 | * @access protected |
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| 591 | * @return void |
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| 592 | */ |
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| 593 | protected function checkAutoRelationWrite() |
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| 614 | } |
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| 615 | } |
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| 616 | } |
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| 617 | |||
| 618 | /** |
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| 619 | * 自动关联数据更新（针对一对一关联） |
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| 620 | * @access protected |
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| 621 | * @return void |
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| 622 | */ |
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| 623 | protected function autoRelationUpdate() |
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| 632 | } |
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| 633 | } |
||
| 634 | } |
||
| 635 | } |
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| 636 | |||
| 637 | /** |
||
| 638 | * 自动关联数据写入（针对一对一关联） |
||
| 639 | * @access protected |
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| 640 | * @return void |
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| 641 | */ |
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| 642 | protected function autoRelationInsert() |
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| 647 | } |
||
| 648 | } |
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| 649 | |||
| 650 | /** |
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| 651 | * 自动关联数据删除（支持一对一及一对多关联） |
||
| 652 | * @access protected |
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| 653 | * @return void |
||
| 654 | */ |
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| 655 | protected function autoRelationDelete() |
||
| 666 | } |
||
| 667 | } |
||
| 668 | } |
||
| 671 |
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