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<?php |
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namespace Maknz\Slack; |
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use InvalidArgumentException; |
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trait FieldsTrait |
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{ |
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/** |
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* The fields of the block/attachment. |
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* |
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* @var array |
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*/ |
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protected $fields = []; |
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/** |
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* Get the class name of valid fields. |
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* |
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* @return string |
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*/ |
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abstract protected function getFieldClass(); |
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/** |
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* Get the fields for the block/attachment. |
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* |
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* @return \Maknz\Slack\Field[]|array |
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*/ |
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public function getFields() |
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{ |
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return $this->fields; |
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} |
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/** |
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* Set the fields for the block/attachment. |
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* |
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* @param array $fields |
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* |
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* @return $this |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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public function setFields(array $fields) |
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{ |
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$this->clearFields(); |
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foreach ($fields as $field) { |
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$this->addField($field); |
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} |
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return $this; |
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} |
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/** |
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* Add a field to the block/attachment. |
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* |
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* @param Field|array $field |
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* |
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* @return $this |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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public function addField($field) |
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{ |
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$fieldClass = $this->getFieldClass(); |
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if ($field instanceof $fieldClass) { |
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$this->fields[] = $field; |
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return $this; |
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} elseif (is_array($field)) { |
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$this->fields[] = new $fieldClass($field); |
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return $this; |
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} |
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throw new InvalidArgumentException('The field must be an instance of '.$fieldClass.' or a keyed array'); |
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} |
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/** |
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* Clear the fields for the block/attachment. |
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* |
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* @return $this |
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*/ |
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public function clearFields() |
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{ |
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$this->fields = []; |
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return $this; |
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} |
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/** |
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* Iterates over all fields in this block/attachment and returns |
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* them in their array form. |
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* |
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* @return array |
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*/ |
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protected function getFieldsAsArrays() |
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{ |
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$fields = []; |
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foreach ($this->getFields() as $field) { |
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$fields[] = $field->toArray(); |
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} |
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return $fields; |
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} |
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} |
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php-slack /
slack
