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 |
||
24 | class EditableCustomRule extends DataObject |
||
25 | { |
||
26 | private static $condition_options = [ |
||
|
|||
27 | 'IsBlank' => 'Is blank', |
||
28 | 'IsNotBlank' => 'Is not blank', |
||
29 | 'HasValue' => 'Equals', |
||
30 | 'ValueNot' => 'Doesn\'t equal', |
||
31 | 'ValueLessThan' => 'Less than', |
||
32 | 'ValueLessThanEqual' => 'Less than or equal', |
||
33 | 'ValueGreaterThan' => 'Greater than', |
||
34 | 'ValueGreaterThanEqual' => 'Greater than or equal' |
||
35 | ]; |
||
36 | |||
37 | private static $db = [ |
||
38 | 'Display' => 'Enum("Show,Hide")', |
||
39 | 'ConditionOption' => 'Enum("IsBlank,IsNotBlank,HasValue,ValueNot,ValueLessThan,ValueLessThanEqual,ValueGreaterThan,ValueGreaterThanEqual")', |
||
40 | 'FieldValue' => 'Varchar(255)' |
||
41 | ]; |
||
42 | |||
43 | private static $has_one = [ |
||
44 | 'Parent' => EditableFormField::class, |
||
45 | 'ConditionField' => EditableFormField::class |
||
46 | ]; |
||
47 | |||
48 | /** |
||
49 | * Built in extensions required |
||
50 | * |
||
51 | * @config |
||
52 | * @var array |
||
53 | */ |
||
54 | 1 | private static $extensions = [ |
|
55 | Versioned::class . "('Stage', 'Live')" |
||
56 | 1 | ]; |
|
57 | 1 | ||
58 | private static $table_name = 'EditableCustomRule'; |
||
59 | |||
60 | /** |
||
61 | * @param Member $member |
||
62 | * @return bool |
||
63 | */ |
||
64 | public function canDelete($member = null) |
||
68 | |||
69 | /** |
||
70 | * @param Member $member |
||
71 | * @return bool |
||
72 | */ |
||
73 | public function canEdit($member = null) |
||
77 | |||
78 | /** |
||
79 | * @param Member $member |
||
80 | * @return bool |
||
81 | */ |
||
82 | public function canView($member = null) |
||
86 | |||
87 | /** |
||
88 | * Return whether a user can create an object of this type |
||
89 | * |
||
90 | * @param Member $member |
||
91 | * @param array $context Virtual parameter to allow context to be passed in to check |
||
92 | * @return bool |
||
93 | */ |
||
94 | View Code Duplication | public function canCreate($member = null, $context = []) |
|
105 | |||
106 | /** |
||
107 | * Helper method to check the parent for this object |
||
108 | * |
||
109 | * @param array $args List of arguments passed to canCreate |
||
110 | * @return DataObject Some parent dataobject to inherit permissions from |
||
111 | */ |
||
112 | View Code Duplication | protected function getCanCreateContext($args) |
|
126 | |||
127 | /** |
||
128 | * @param Member $member |
||
129 | * @return bool |
||
130 | */ |
||
131 | public function canPublish($member = null) |
||
135 | |||
136 | /** |
||
137 | * @param Member $member |
||
138 | * @return bool |
||
139 | */ |
||
140 | public function canUnpublish($member = null) |
||
144 | |||
145 | /** |
||
146 | * Substitutes configured rule logic with it's JS equivalents and returns them as array elements |
||
147 | * |
||
148 | * @return array |
||
149 | * @throws LogicException If the provided condition option was not able to be handled |
||
150 | */ |
||
151 | public function buildExpression() |
||
232 | |||
233 | 2 | /** |
|
234 | 2 | * Returns the opposite visibility function for the value of the initial visibility field, e.g. show/hide. This |
|
235 | 2 | * will toggle the "hide" class either way, which is handled by CSS. |
|
236 | * |
||
237 | 2 | * @param string $text |
|
238 | * @return string |
||
239 | */ |
||
240 | public function toggleDisplayText($text) |
||
244 | } |
||
245 |
This check marks private properties in classes that are never used. Those properties can be removed.