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<?php |
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namespace Consolidation\OutputFormatters\Transformations; |
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/** |
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* Reorder the field labels based on the user-selected fields |
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* to display. |
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*/ |
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class ReorderFields |
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{ |
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/** |
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* Given a simple list of user-supplied field keys or field labels, |
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* return a reordered version of the field labels matching the |
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* user selection. |
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* |
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* @param string|array $fields The user-selected fields |
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* @param array $fieldLabels An associative array mapping the field |
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* key to the field label |
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* @param array $data The data that will be rendered. |
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* |
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* @return array |
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*/ |
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public function reorder($fields, $fieldLabels, $data) |
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{ |
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if (empty($fieldLabels) && !empty($data)) { |
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$firstRow = reset($data); |
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$fieldLabels = array_combine(array_keys($firstRow), array_map('ucfirst', array_keys($firstRow))); |
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} |
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$fields = $this->getSelectedFieldKeys($fields, $fieldLabels); |
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if (empty($fields)) { |
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return $fieldLabels; |
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} |
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return $this->reorderFieldLabels($fields, $fieldLabels, $data); |
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} |
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protected function reorderFieldLabels($fields, $fieldLabels, $data) |
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{ |
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$result = []; |
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$firstRow = reset($data); |
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foreach ($fields as $field) { |
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if (array_key_exists($field, $firstRow)) { |
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if (array_key_exists($field, $fieldLabels)) { |
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$result[$field] = $fieldLabels[$field]; |
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} |
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} |
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} |
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return $result; |
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} |
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protected function getSelectedFieldKeys($fields, $fieldLabels) |
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{ |
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if (is_string($fields)) { |
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$fields = explode(',', $fields); |
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} |
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$fieldLablesReverseMap = array_combine(array_values($fieldLabels), array_keys($fieldLabels)); |
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$selectedFields = []; |
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foreach ($fields as $field) { |
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if (array_key_exists($field, $fieldLabels)) { |
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$selectedFields[] = $field; |
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} elseif (array_key_exists($field, $fieldLablesReverseMap)) { |
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$selectedFields[] = $fieldLablesReverseMap[$field]; |
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} |
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} |
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return $selectedFields; |
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} |
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} |
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consolidation /
output-formatters
