Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 10 | trait SortableTrait |
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| 11 | { |
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| 12 | public static function bootSortableTrait() |
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| 13 | { |
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| 14 | static::creating(function ($model) { |
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| 15 | if ($model instanceof Sortable && $model->shouldSortWhenCreating()) { |
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| 16 | $model->setHighestOrderNumber(); |
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| 17 | } |
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| 18 | }); |
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| 19 | } |
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| 20 | |||
| 21 | /** |
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| 22 | * Modify the order column value. |
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| 23 | */ |
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| 24 | public function setHighestOrderNumber() |
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| 25 | { |
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| 26 | $orderColumnName = $this->determineOrderColumnName(); |
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| 27 | |||
| 28 | $this->$orderColumnName = $this->getHighestOrderNumber() + 1; |
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| 29 | } |
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| 30 | |||
| 31 | /** |
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| 32 | * Determine the order value for the new record. |
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| 33 | */ |
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| 34 | public function getHighestOrderNumber(): int |
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| 35 | { |
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| 36 | return (int) $this->buildSortQuery()->max($this->determineOrderColumnName()); |
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| 37 | } |
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| 38 | |||
| 39 | /** |
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| 40 | * Let's be nice and provide an ordered scope. |
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| 41 | * |
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| 42 | * @param \Illuminate\Database\Eloquent\Builder $query |
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| 43 | * @param string $direction |
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| 44 | * |
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| 45 | * @return \Illuminate\Database\Query\Builder |
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| 46 | */ |
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| 47 | public function scopeOrdered(Builder $query, string $direction = 'asc') |
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| 48 | { |
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| 49 | return $query->orderBy($this->determineOrderColumnName(), $direction); |
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| 50 | } |
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| 51 | |||
| 52 | /** |
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| 53 | * This function reorders the records: the record with the first id in the array |
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| 54 | * will get order 1, the record with the second it will get order 2, ... |
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| 55 | * |
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| 56 | * A starting order number can be optionally supplied (defaults to 1). |
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| 57 | * |
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| 58 | * @param array|\ArrayAccess $ids |
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| 59 | * @param int $startOrder |
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| 60 | */ |
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| 61 | public static function setNewOrder($ids, int $startOrder = 1) |
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| 62 | { |
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| 63 | if (! is_array($ids) && ! $ids instanceof ArrayAccess) { |
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| 64 | throw new InvalidArgumentException('You must pass an array or ArrayAccess object to setNewOrder'); |
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| 65 | } |
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| 66 | |||
| 67 | $model = new static; |
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| 68 | |||
| 69 | $orderColumnName = $model->determineOrderColumnName(); |
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| 70 | $primaryKeyColumn = $model->getKeyName(); |
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| 71 | |||
| 72 | foreach ($ids as $id) { |
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| 73 | static::withoutGlobalScope(SoftDeletingScope::class) |
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| 74 | ->where($primaryKeyColumn, $id) |
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| 75 | ->update([$orderColumnName => $startOrder++]); |
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| 76 | } |
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| 77 | } |
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| 78 | |||
| 79 | /* |
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| 80 | * Determine the column name of the order column. |
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| 81 | */ |
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| 82 | protected function determineOrderColumnName(): string |
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| 93 | |||
| 94 | /* |
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| 95 | * Determine the column name of the group column. |
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| 96 | */ |
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| 97 | protected function determineGroupColumnName(): string |
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| 98 | { |
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| 108 | |||
| 109 | /** |
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| 110 | * Determine the order value for the new record. |
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| 111 | */ |
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| 112 | public function getGroupColumnValue() |
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| 117 | |||
| 118 | /** |
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| 119 | * Determine if it should be sorted by group column. |
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| 120 | */ |
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| 121 | public function shouldSortByGroup(): bool |
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| 125 | |||
| 126 | /** |
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| 127 | * Determine if the order column should be set when saving a new model instance. |
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| 128 | */ |
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| 129 | public function shouldSortWhenCreating(): bool |
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| 133 | |||
| 134 | /** |
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| 135 | * Swaps the order of this model with the model 'below' this model. |
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| 136 | * |
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| 137 | * @return $this |
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| 138 | */ |
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| 139 | View Code Duplication | public function moveOrderDown() |
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| 154 | |||
| 155 | /** |
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| 156 | * Swaps the order of this model with the model 'above' this model. |
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| 157 | * |
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| 158 | * @return $this |
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| 159 | */ |
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| 160 | View Code Duplication | public function moveOrderUp() |
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| 175 | |||
| 176 | /** |
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| 177 | * Swap the order of this model with the order of another model. |
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| 178 | * |
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| 179 | * @param \Spatie\EloquentSortable\Sortable $otherModel |
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| 180 | * |
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| 181 | * @return $this |
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| 182 | */ |
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| 183 | public function swapOrderWithModel(Sortable $otherModel) |
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| 197 | |||
| 198 | /** |
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| 199 | * Swap the order of two models. |
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| 200 | * |
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| 201 | * @param \Spatie\EloquentSortable\Sortable $model |
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| 202 | * @param \Spatie\EloquentSortable\Sortable $otherModel |
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| 203 | */ |
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| 204 | public static function swapOrder(Sortable $model, Sortable $otherModel) |
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| 208 | |||
| 209 | /** |
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| 210 | * Moves this model to the first position. |
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| 211 | * |
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| 212 | * @return $this |
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| 213 | */ |
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| 214 | public function moveToStart() |
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| 233 | |||
| 234 | /** |
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| 235 | * Moves this model to the last position. |
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| 236 | * |
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| 237 | * @return $this |
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| 238 | */ |
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| 239 | public function moveToEnd() |
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| 260 | |||
| 261 | /** |
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| 262 | * Build eloquent builder of sortable. |
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| 263 | * |
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| 264 | * @return \Illuminate\Database\Eloquent\Builder |
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| 265 | */ |
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| 266 | public function buildSortQuery() |
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| 274 | } |
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| 275 |
This check marks calls to methods that do not seem to exist on an object.
This is most likely the result of a method being renamed without all references to it being renamed likewise.