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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| 18 | class BaseSliderItem extends \DataObject { |
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| 19 | |||
| 20 | /** |
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| 21 | * @var array |
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| 22 | * @config |
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| 23 | */ |
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| 24 | private static $db = [ |
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| 25 | 'Title' => 'Varchar', |
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| 26 | 'Content' => 'HTMLText', |
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| 27 | 'AlignX' => 'Enum(array("Left", "Center", "Right"), "Left")', |
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| 28 | 'AlignY' => 'Enum(array("Top", "Middle", "Bottom"), "Middle")', |
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| 29 | 'Style' => 'Enum(array("Dark", "Light"), "Light")', |
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| 30 | 'SortOrder' => 'Int', |
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| 31 | ]; |
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| 32 | |||
| 33 | /** |
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| 34 | * @var array |
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| 35 | * @config |
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| 36 | */ |
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| 37 | private static $has_one = [ |
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| 38 | 'Block' => 'SliderBlock', |
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| 39 | ]; |
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| 40 | |||
| 41 | /** |
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| 42 | * Get localized types |
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| 43 | * |
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| 44 | * @return array |
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| 45 | */ |
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| 46 | public function getHorizontallyTypes() { |
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| 55 | |||
| 56 | /** |
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| 57 | * Get localized types |
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| 58 | * |
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| 59 | * @return array |
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| 60 | */ |
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| 61 | View Code Duplication | public function getVerticallyTypes() { |
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| 62 | $types = []; |
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| 63 | |||
| 64 | foreach ($this->dbObject('AlignY')->enumValues() as $alignType) { |
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| 65 | $types[$alignType] = $this->fieldLabel($alignType); |
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| 66 | } |
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| 67 | |||
| 68 | return $types; |
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| 69 | } |
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| 70 | |||
| 71 | /** |
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| 72 | * Get localized types |
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| 73 | * |
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| 74 | * @return array |
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| 75 | */ |
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| 76 | View Code Duplication | public function getStyles() { |
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| 85 | |||
| 86 | /** |
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| 87 | * @return string |
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| 88 | */ |
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| 89 | public function getHorizontalType() { |
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| 92 | |||
| 93 | /** |
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| 94 | * @return string |
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| 95 | */ |
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| 96 | public function getLowerStyle() { |
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| 99 | |||
| 100 | /** |
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| 101 | * @return string |
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| 102 | */ |
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| 103 | public function getVerticalType() { |
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| 106 | |||
| 107 | /** |
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| 108 | * The default sort expression. This will be inserted in the ORDER BY |
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| 109 | * clause of a SQL query if no other sort expression is provided. |
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| 110 | * |
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| 111 | * @var string |
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| 112 | * @config |
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| 113 | */ |
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| 114 | private static $default_sort = 'SortOrder ASC'; |
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| 115 | |||
| 116 | /** |
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| 117 | * @return string |
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| 118 | */ |
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| 119 | public function singular_name() { |
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| 122 | |||
| 123 | /** |
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| 124 | * @return string |
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| 125 | */ |
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| 126 | public function plural_name() { |
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| 129 | |||
| 130 | /** |
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| 131 | * Default summary fields within localized label title's. |
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| 132 | * |
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| 133 | * @return array |
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| 134 | */ |
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| 135 | public function summaryFields() { |
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| 141 | |||
| 142 | /** |
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| 143 | * @return string |
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| 144 | */ |
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| 145 | public function getSliderType() { |
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| 148 | |||
| 149 | /** |
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| 150 | * @return \FieldList |
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| 151 | */ |
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| 152 | public function getCMSFields() { |
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| 171 | |||
| 172 | /** |
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| 173 | * @param bool $includeRelations |
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| 174 | * |
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| 175 | * @return array |
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| 176 | */ |
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| 177 | public function fieldLabels($includeRelations = true) { |
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| 197 | |||
| 198 | /** |
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| 199 | * @return \HTMLText |
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| 200 | */ |
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| 201 | public function forTemplate() { |
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| 206 | |||
| 207 | /** |
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| 208 | * @return false |
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| 209 | */ |
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| 210 | public function getSliderImage() { |
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| 213 | |||
| 214 | public function getHeading() { |
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| 219 | } |
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.