blasttech /
eloquent-related-plus
Complex classes like RelatedPlusTrait 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. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
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 RelatedPlusTrait, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 28 | trait RelatedPlusTrait |
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| 29 | { |
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| 30 | /** |
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| 31 | * Boot method for trait |
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| 32 | * |
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| 33 | */ |
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| 34 | public static function bootRelatedPlusTrait() |
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| 46 | |||
| 47 | /** |
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| 48 | * Add joins for one or more relations |
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| 49 | * This determines the foreign key relations automatically to prevent the need to figure out the columns. |
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| 50 | * Usages: |
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| 51 | * $query->modelJoin('customers') |
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| 52 | * $query->modelJoin('customer.client') |
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| 53 | * |
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| 54 | * @param Builder $query |
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| 55 | * @param string $relationName |
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| 56 | * @param string $operator |
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| 57 | * @param string $type |
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| 58 | * @param bool $where |
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| 59 | * @param bool $relatedSelect |
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| 60 | * @param string|null $direction |
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| 61 | * |
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| 62 | * @return Builder |
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| 63 | */ |
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| 64 | public function scopeModelJoin( |
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| 96 | |||
| 97 | /** |
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| 98 | * Get the relations from a relation name |
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| 99 | * $relationName can be a single relation |
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| 100 | * Usage for User model: |
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| 101 | * parseRelationNames('customer') returns [$user->customer()] |
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| 102 | * parseRelationNames('customer.contact') returns [$user->customer(), $user->customer->contact()] |
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| 103 | * |
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| 104 | * @param string $relationName |
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| 105 | * @return Relation[] |
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| 106 | */ |
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| 107 | protected function parseRelationNames($relationName) |
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| 124 | |||
| 125 | /** |
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| 126 | * Join a model |
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| 127 | * |
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| 128 | * @param Builder $query |
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| 129 | * @param string $tableName |
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| 130 | * @param string $tableAlias |
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| 131 | * @param Relation $relation |
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| 132 | * @param string $operator |
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| 133 | * @param string $type |
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| 134 | * @param boolean $where |
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| 135 | * @param null $direction |
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| 136 | * @return Builder |
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| 137 | */ |
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| 138 | public function scopeRelationJoin( |
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| 169 | |||
| 170 | /** |
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| 171 | * Join a HasOne relation which is ordered |
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| 172 | * |
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| 173 | * @param Relation $relation |
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| 174 | * @param JoinClause $join |
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| 175 | * @return JoinClause |
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| 176 | */ |
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| 177 | private function hasOneJoin($relation, $join) |
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| 184 | |||
| 185 | /** |
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| 186 | * Get join sql for a HasOne relation |
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| 187 | * |
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| 188 | * @param Relation $relation |
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| 189 | * @param array $order |
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| 190 | * @return Expression |
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| 191 | */ |
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| 192 | public function hasOneJoinSql($relation, $order) |
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| 206 | |||
| 207 | /** |
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| 208 | * Join a HasMany Relation |
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| 209 | * |
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| 210 | * @param Relation $relation |
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| 211 | * @param JoinClause $join |
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| 212 | * @param string $tableName |
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| 213 | * @param string $tableAlias |
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| 214 | * @param string $operator |
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| 215 | * @param string $direction |
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| 216 | * @return Builder|JoinClause |
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| 217 | */ |
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| 218 | private function hasManyJoin($relation, $join, $tableName, $tableAlias, $operator, $direction) |
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| 241 | |||
| 242 | /** |
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| 243 | * Adds a where for a relation's join columns and and min/max for a given column |
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| 244 | * |
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| 245 | * @param Builder $query |
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| 246 | * @param Relation $relation |
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| 247 | * @param string $column |
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| 248 | * @param string $direction |
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| 249 | * @return Builder |
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| 250 | */ |
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| 251 | public function joinOne($query, $relation, $column, $direction) |
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| 262 | |||
| 263 | /** |
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| 264 | * Get the join columns for a relation |
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| 265 | * |
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| 266 | * @param Relation|BelongsTo|HasOneOrMany $relation |
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| 267 | * @return \stdClass |
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| 268 | */ |
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| 269 | protected function getJoinColumns($relation) |
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| 282 | |||
| 283 | /** |
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| 284 | * Adds a select for a min or max on the given column, depending on direction given |
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| 285 | * |
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| 286 | * @param Builder $query |
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| 287 | * @param string $column |
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| 288 | * @param string $direction |
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| 289 | * @return Builder |
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| 290 | */ |
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| 291 | public function selectMinMax($query, $column, $direction) |
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| 301 | |||
| 302 | /** |
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| 303 | * Add backticks to a table/column |
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| 304 | * |
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| 305 | * @param string $column |
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| 306 | * @return string |
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| 307 | */ |
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| 308 | private function addBackticks($column) |
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| 313 | |||
| 314 | /** |
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| 315 | * Return the sql for a query with the bindings replaced with the binding values |
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| 316 | * |
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| 317 | * @param Builder $builder |
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| 318 | * @return string |
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| 319 | */ |
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| 320 | private function toSqlWithBindings(Builder $builder) |
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| 324 | |||
| 325 | /** |
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| 326 | * Replace SQL placeholders with '%s' |
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| 327 | * |
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| 328 | * @param Builder $builder |
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| 329 | * @return string |
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| 330 | */ |
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| 331 | private function replacePlaceholders(Builder $builder) |
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| 335 | |||
| 336 | /** |
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| 337 | * Add wheres if they exist for a relation |
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| 338 | * |
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| 339 | * @param Builder|JoinClause $builder |
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| 340 | * @param Relation|BelongsTo|HasOneOrMany $relation |
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| 341 | * @param string $table |
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| 342 | * @return Builder|JoinClause |
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| 343 | */ |
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| 344 | protected function addWhereConstraints($builder, $relation, $table) |
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| 360 | |||
| 361 | /** |
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| 362 | * Add table name to column name if table name not already included in column name |
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| 363 | * |
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| 364 | * @param string $table |
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| 365 | * @param string $column |
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| 366 | * @return string |
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| 367 | */ |
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| 368 | private function columnWithTableName($table, $column) |
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| 372 | |||
| 373 | /** |
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| 374 | * If the relation is one-to-many, just get the first related record |
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| 375 | * |
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| 376 | * @param JoinClause $joinClause |
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| 377 | * @param string $column |
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| 378 | * @param HasMany|Relation $relation |
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| 379 | * @param string $table |
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| 380 | * @param string $direction |
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| 381 | * |
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| 382 | * @return JoinClause |
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| 383 | */ |
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| 384 | public function hasManyJoinWhere(JoinClause $joinClause, $column, $relation, $table, $direction) |
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| 404 | |||
| 405 | /** |
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| 406 | * Add orderBy if orders exist for a relation |
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| 407 | * |
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| 408 | * @param Builder|JoinClause $builder |
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| 409 | * @param Relation|BelongsTo|HasOneOrMany $relation |
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| 410 | * @param string $table |
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| 411 | * @return Builder |
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| 412 | */ |
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| 413 | protected function addOrder($builder, $relation, $table) |
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| 424 | |||
| 425 | /** |
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| 426 | * Set the order of a model |
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| 427 | * |
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| 428 | * @param Builder $query |
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| 429 | * @param string $orderField |
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| 430 | * @param string $dir |
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| 431 | * @return Builder |
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| 432 | */ |
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| 433 | public function scopeOrderByCustom(Builder $query, $orderField, $dir) |
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| 453 | |||
| 454 | /** |
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| 455 | * Check if column being sorted by is from a related model |
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| 456 | * |
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| 457 | * @param Builder $query |
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| 458 | * @param string $column |
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| 459 | * @param string $direction |
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| 460 | * @return Builder |
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| 461 | */ |
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| 462 | public function scopeOrderByCheckModel(Builder $query, $column, $direction) |
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| 486 | |||
| 487 | /** |
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| 488 | * Check if this model has already been joined to a table or relation |
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| 489 | * |
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| 490 | * @param Builder $builder |
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| 491 | * @param string $table |
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| 492 | * @param \Illuminate\Database\Eloquent\Relations\Relation $relation |
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| 493 | * @return bool |
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| 494 | */ |
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| 495 | protected function hasJoin(Builder $builder, $table, $relation) |
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| 503 | |||
| 504 | /** |
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| 505 | * Check if model is currently joined to $table |
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| 506 | * |
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| 507 | * @param Builder $builder |
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| 508 | * @param string $table |
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| 509 | * @return bool |
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| 510 | */ |
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| 511 | private function checkJoins(Builder $builder, $table) |
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| 524 | |||
| 525 | /** |
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| 526 | * Check if relation exists in eager loads |
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| 527 | * |
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| 528 | * @param Builder $builder |
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| 529 | * @param \Illuminate\Database\Eloquent\Relations\Relation $relation |
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| 530 | * @return bool |
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| 531 | */ |
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| 532 | private function checkEagerLoads(Builder $builder, $relation) |
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| 538 | |||
| 539 | /** |
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| 540 | * Set the model order |
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| 541 | * |
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| 542 | * @param Builder $query |
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| 543 | * @param string $column |
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| 544 | * @param string $direction |
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| 545 | * @return Builder |
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| 546 | */ |
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| 547 | public function scopeSetCustomOrder(Builder $query, $column, $direction) |
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| 571 | |||
| 572 | /** |
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| 573 | * Switch a query to be a subquery of a model |
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| 574 | * |
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| 575 | * @param Builder $query |
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| 576 | * @param Builder $model |
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| 577 | * @return Builder |
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| 578 | */ |
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| 579 | public function scopeSetSubquery(Builder $query, $model) |
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| 588 | |||
| 589 | /** |
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| 590 | * Use a model method to add columns or joins if in the order options |
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| 591 | * |
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| 592 | * @param Builder $query |
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| 593 | * @param string $order |
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| 594 | * @return Builder |
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| 595 | */ |
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| 596 | public function scopeOrderByWith(Builder $query, $order) |
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| 620 | |||
| 621 | /** |
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| 622 | * Add where statements for the model search fields |
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| 623 | * |
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| 624 | * @param Builder $query |
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| 625 | * @param string $searchText |
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| 626 | * @return Builder |
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| 627 | */ |
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| 628 | public function scopeSearch(Builder $query, $searchText = '') |
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| 643 | |||
| 644 | /** |
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| 645 | * Add where statements for search fields to search for searchText |
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| 646 | * |
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| 647 | * @param Builder $query |
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| 648 | * @param string $searchText |
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| 649 | * @return Builder |
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| 650 | */ |
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| 651 | private function checkSearchFields($query, $searchText) |
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| 665 | |||
| 666 | /** |
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| 667 | * Add where statement for a search field |
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| 668 | * |
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| 669 | * @param Builder $query |
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| 670 | * @param string $table |
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| 671 | * @param string $searchField |
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| 672 | * @param array $searchFieldParameters |
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| 673 | * @param string $searchText |
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| 674 | * @return Builder |
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| 675 | */ |
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| 676 | private function checkSearchField($query, $table, $searchField, $searchFieldParameters, $searchText) |
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| 690 | |||
| 691 | /** |
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| 692 | * Add where condition to search current model |
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| 693 | * |
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| 694 | * @param Builder $query |
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| 695 | * @param array $searchFieldParameters |
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| 696 | * @param string $table |
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| 697 | * @param string $searchColumn |
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| 698 | * @param string $searchText |
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| 699 | * @return Builder |
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| 700 | */ |
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| 701 | public function searchThis(Builder $query, $searchFieldParameters, $table, $searchColumn, $searchText) |
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| 712 | |||
| 713 | /** |
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| 714 | * Add where condition to search a relation |
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| 715 | * |
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| 716 | * @param Builder $query |
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| 717 | * @param array $searchFieldParameters |
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| 718 | * @param string $searchColumn |
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| 719 | * @param string $searchText |
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| 720 | * @return Builder |
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| 721 | */ |
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| 722 | private function searchRelation(Builder $query, $searchFieldParameters, $searchColumn, $searchText) |
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| 744 | } |
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| 745 |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: