| Total Complexity | 40 |
| Total Lines | 202 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like DatePart 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.
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 DatePart, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 22 | class DatePart |
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| 23 | { |
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| 24 | |||
| 25 | const DEFAULT_RANGE_DELIMITER = "–"; |
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| 26 | |||
| 27 | use FormattingTrait, |
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| 28 | AffixesTrait, |
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| 29 | TextCaseTrait, |
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| 30 | RangeDelimiterTrait; |
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| 31 | |||
| 32 | /** |
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| 33 | * @var string |
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| 34 | */ |
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| 35 | private $name; |
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| 36 | |||
| 37 | /** |
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| 38 | * @var string |
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| 39 | */ |
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| 40 | private $form; |
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| 41 | |||
| 42 | /** |
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| 43 | * @var string |
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| 44 | */ |
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| 45 | private $rangeDelimiter; |
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| 46 | |||
| 47 | /** |
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| 48 | * @var Date |
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| 49 | */ |
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| 50 | private $parent; |
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| 51 | |||
| 52 | public function __construct(SimpleXMLElement $node) |
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| 53 | { |
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| 54 | foreach ($node->attributes() as $attribute) { |
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| 55 | if ("name" === $attribute->getName()) { |
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| 56 | $this->name = (string) $attribute; |
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| 57 | } |
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| 58 | if ("form" === $attribute->getName()) { |
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| 59 | $this->form = (string) $attribute; |
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| 60 | } |
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| 61 | if ("range-delimiter" === $attribute->getName()) { |
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| 62 | $this->rangeDelimiter = (string) $attribute; |
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| 63 | } |
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| 64 | } |
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| 65 | |||
| 66 | if (empty($this->rangeDelimiter)) { |
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| 67 | $this->rangeDelimiter = self::DEFAULT_RANGE_DELIMITER; |
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| 68 | } |
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| 69 | |||
| 70 | $this->initFormattingAttributes($node); |
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| 71 | $this->initAffixesAttributes($node); |
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| 72 | $this->initTextCaseAttributes($node); |
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| 73 | } |
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| 74 | |||
| 75 | |||
| 76 | /** |
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| 77 | * @param DateTime $date |
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| 78 | * @param Date $parent |
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| 79 | * @return string |
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| 80 | */ |
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| 81 | public function render(DateTime $date, Date $parent) |
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| 82 | { |
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| 83 | $this->parent = $parent; //set parent |
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| 84 | $text = $this->renderWithoutAffixes($date); |
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| 85 | return !empty($text) ? $this->addAffixes($text) : ""; |
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| 86 | } |
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| 87 | |||
| 88 | /** |
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| 89 | * @param DateTime $date |
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| 90 | * @param Date|null $parent |
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| 91 | * @return string |
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| 92 | */ |
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| 93 | public function renderWithoutAffixes(DateTime $date, Date $parent = null) |
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| 94 | { |
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| 95 | if (!is_null($parent)) { |
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| 96 | $this->parent = $parent; |
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| 97 | } |
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| 98 | $text = ""; |
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| 99 | switch ($this->name) { |
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| 100 | case 'year': |
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| 101 | $text = $this->renderYear($date); |
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| 102 | break; |
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| 103 | case 'month': |
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| 104 | $text = $this->renderMonth($date); |
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| 105 | break; |
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| 106 | case 'day': |
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| 107 | $text = $this->renderDay($date); |
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| 108 | } |
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| 109 | |||
| 110 | return !empty($text) ? $this->format($this->applyTextCase($text)) : ""; |
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| 111 | } |
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| 112 | |||
| 113 | /** |
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| 114 | * @return string |
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| 115 | */ |
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| 116 | public function getForm() |
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| 117 | { |
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| 118 | return $this->form; |
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| 119 | } |
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| 120 | |||
| 121 | /** |
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| 122 | * @return string |
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| 123 | */ |
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| 124 | public function getName() |
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| 125 | { |
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| 126 | return $this->name; |
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| 127 | } |
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| 128 | |||
| 129 | /** |
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| 130 | * @return string |
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| 131 | */ |
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| 132 | public function getRangeDelimiter() |
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| 135 | } |
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| 136 | |||
| 137 | /** |
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| 138 | * @param DateTime $date |
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| 139 | * @return string|int |
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| 140 | */ |
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| 141 | protected function renderYear(DateTime $date) |
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| 142 | { |
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| 143 | $text = $date->getYear(); |
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| 144 | if ($text > 0 && $text < 1000) { |
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| 145 | $text = $text . CiteProc::getContext()->getLocale()->filter("terms", "ad")->single; |
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| 146 | return $text; |
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| 147 | } elseif ($text < 0) { |
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| 148 | $text = $text * -1; |
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| 149 | $text = $text . CiteProc::getContext()->getLocale()->filter("terms", "bc")->single; |
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| 150 | return $text; |
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| 151 | } |
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| 152 | return $text; |
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| 153 | } |
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| 154 | |||
| 155 | /** |
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| 156 | * @param DateTime $date |
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| 157 | * @return string |
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| 158 | */ |
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| 159 | protected function renderMonth(DateTime $date) |
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| 160 | { |
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| 161 | if ($date->getMonth() < 1 || $date->getMonth() > 12) { |
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| 162 | return ""; |
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| 163 | } |
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| 164 | |||
| 165 | $text = $date->getMonth(); |
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| 166 | |||
| 167 | $form = !empty($this->form) ? $this->form : "long"; |
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| 168 | switch ($form) { |
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| 169 | case 'numeric': |
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| 170 | break; |
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| 171 | case 'numeric-leading-zeros': |
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| 172 | $text = sprintf("%02d", $text); |
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| 173 | break; |
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| 174 | case 'short': |
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| 175 | case 'long': |
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| 176 | default: |
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| 177 | $text = $this->monthFromLocale($text, $form); |
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| 178 | break; |
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| 179 | } |
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| 180 | return $text; |
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| 181 | } |
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| 182 | |||
| 183 | /** |
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| 184 | * @param DateTime $date |
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| 185 | * @return int|string |
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| 186 | */ |
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| 187 | protected function renderDay(DateTime $date) |
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| 188 | { |
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| 189 | if ($date->getDay() < 1 || $date->getDay() > 31) { |
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| 190 | return ""; |
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| 191 | } |
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| 192 | |||
| 193 | $text = $date->getDay(); |
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| 194 | $form = !empty($this->form) ? $this->form : $this->parent->getForm(); |
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| 195 | switch ($form) { |
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| 196 | case 'numeric': |
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| 197 | break; |
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| 198 | case 'numeric-leading-zeros': |
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| 199 | $text = sprintf("%02d", $text); |
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| 200 | break; |
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| 201 | case 'ordinal': |
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| 202 | $limitDayOrdinals = |
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| 203 | CiteProc::getContext()->getLocale()->filter("options", "limit-day-ordinals-to-day-1"); |
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| 204 | if (!$limitDayOrdinals || Layout::getNumberOfCitedItems() <= 1) { |
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| 205 | $text = Number::ordinal($text); |
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| 206 | } |
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| 207 | } |
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| 208 | return $text; |
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| 209 | } |
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| 210 | |||
| 211 | /** |
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| 212 | * @param $text |
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| 213 | * @param $form |
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| 214 | * @return mixed |
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| 215 | */ |
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| 216 | protected function monthFromLocale($text, $form) |
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| 224 | } |
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| 225 | } |
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| 226 |