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 | class BuyableStockOrderEntry extends DataObject |
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| 11 | { |
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| 12 | private static $db = array( |
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| 13 | "Quantity" => "Int", |
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| 14 | "IncludeInCurrentCalculation" => "Boolean" |
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| 15 | ); |
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| 16 | |||
| 17 | private static $has_one = array( |
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| 18 | "Parent" => "BuyableStockCalculatedQuantity", |
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| 19 | "Order" => "Order", |
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| 20 | ); |
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| 21 | |||
| 22 | private static $defaults = array( |
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| 23 | "IncludeInCurrentCalculation" => 1 |
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| 24 | ); |
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| 25 | |||
| 26 | |||
| 27 | //MODEL ADMIN STUFF |
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| 28 | private static $searchable_fields = array( |
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| 29 | "Quantity", |
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| 30 | "IncludeInCurrentCalculation", |
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| 31 | "ParentID", |
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| 32 | "OrderID", |
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| 33 | ); |
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| 34 | |||
| 35 | private static $field_labels = array( |
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| 36 | "Quantity" => "Calculated Quantity On Hand", |
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| 37 | "IncludeInCurrentCalculation" => "Include in Calculation", |
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| 38 | "ParentID" => "Buyable Calculation", |
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| 39 | "OrderID" => "Order" |
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| 40 | ); |
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| 41 | |||
| 42 | private static $summary_fields = array( |
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| 43 | "OrderID", |
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| 44 | "ParentID", |
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| 45 | "Quantity" |
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| 46 | ); |
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| 47 | |||
| 48 | |||
| 49 | private static $default_sort = [ |
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| 50 | 'LastEdited' => 'DESC', |
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| 51 | 'ParentID' => 'ASC', |
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| 52 | 'ID' => 'DESC' |
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| 53 | ]; |
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| 54 | |||
| 55 | private static $indexes = [ |
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| 56 | 'LastEdited' => true |
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| 57 | ]; |
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| 58 | |||
| 59 | private static $singular_name = "Stock Sale Entry"; |
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| 60 | public function i18n_singular_name() |
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| 64 | |||
| 65 | private static $plural_name = "Stock Sale Entries"; |
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| 66 | public function i18n_plural_name() |
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| 70 | |||
| 71 | public function canCreate($member = null) |
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| 75 | |||
| 76 | public function canEdit($member = null) |
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| 80 | |||
| 81 | public function canDelete($member = null) |
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| 85 | |||
| 86 | public function canView($member = null) |
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| 90 | |||
| 91 | View Code Duplication | protected function canDoAnything() |
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| 99 | |||
| 100 | public function onAfterWrite() |
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| 125 | } |
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| 126 |
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.