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<?php |
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namespace Yabacon\Paystack; |
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use Yabacon\Paystack\Exception\BadMetaNameException; |
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class MetadataBuilder |
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{ |
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private $meta; |
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public static $auto_snake_case = true; |
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public function __construct() |
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{ |
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$this->meta = []; |
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} |
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private function with($name, $value) |
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{ |
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if ($name === 'custom_fields') { |
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throw new BadMetaNameException('Please use the withCustomField method to add custom fields'); |
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} |
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$this->meta[$name] = $value; |
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return $this; |
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} |
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private function toSnakeCase($input) |
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{ |
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preg_match_all('!([A-Z][A-Z0-9]*(?=$|[A-Z][a-z0-9])|[A-Za-z][a-z0-9]+)!', $input, $matches); |
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$ret = $matches[0]; |
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foreach ($ret as &$match) { |
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$match = $match == strtoupper($match) ? strtolower($match) : lcfirst($match); |
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} |
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return implode('_', $ret); |
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} |
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public function __call($method, $args) |
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{ |
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if ((strpos($method, 'with') === 0) && ($method !== 'with')) { |
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$name = substr($method, 4); |
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if (MetadataBuilder::$auto_snake_case) { |
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$name = $this->toSnakeCase($name); |
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} |
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return $this->with($name, $args[0]); |
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} |
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throw new \BadMethodCallException('Call to undefined function: ' . get_class($this) . '::' . $method); |
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} |
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public function withCustomField($title, $value) |
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{ |
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if (!array_key_exists('custom_fields', $this->meta)) { |
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$this->meta['custom_fields'] = []; |
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} |
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$this->meta['custom_fields'][] = [ |
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'display_name' => strval($title), |
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'variable_name' => strval($title), |
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'value' => strval($value), |
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]; |
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return $this; |
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} |
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public function build() |
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{ |
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return json_encode($this->meta); |
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} |
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} |
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yabacon /
paystack-php
