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<?php |
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namespace DexBarrett\ClockworkSms; |
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use DexBarrett\ClockworkSms\Commands\CommandFactory; |
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use DexBarrett\ClockworkSms\Exception\ClockworkSmsException; |
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use GuzzleHttp\Client as GuzzleClient; |
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class ClockworkSms |
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{ |
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const MESSAGE_LIMIT = 500; |
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private $apiKey; |
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private $httpClient; |
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private $commandFactory; |
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private $format = 'xml'; |
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private $base = 'api.clockworksms.com'; |
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private $contentTypes = [ |
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'xml' => 'text/xml' |
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]; |
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private $options = [ |
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'ssl' => true, |
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'from' => null, |
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'long' => null, |
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'truncate' => null, |
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'invalidCharAction' => null, |
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]; |
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private $requiredParams = [ |
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'send' => ['to', 'message'] |
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]; |
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private $validParams = [ |
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'send' => ['to', 'message', 'from', 'long', 'truncate', 'invalidCharAction'] |
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]; |
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public function __construct( |
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$apiKey = null, |
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array $options = [], |
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GuzzleClient $httpClient = null, |
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CommandFactory $commandFactory = null |
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) { |
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if ($apiKey === null) { |
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throw new ClockworkSmsException('No API key provided'); |
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} |
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$this->apiKey = $apiKey; |
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$this->httpClient = $httpClient ?: new GuzzleClient; |
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$this->commandFactory = $commandFactory ?: new CommandFactory; |
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$this->parseOptions($options); |
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} |
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public function checkBalance() |
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{ |
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return $this->sendRequest('balance'); |
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} |
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public function send(array $messages) |
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{ |
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$messages = ($this->containsMultipleMessages($messages))? $messages : [$messages]; |
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$this->validateMessages($messages); |
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return $this->sendRequest('send', $this->mergeMessageOptions($messages)); |
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} |
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public function getOptionValue($optionName) |
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{ |
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$optionName = strtolower($optionName); |
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if (! array_key_exists($optionName, $this->options)) { |
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throw new ClockworkSmsException('Option does not exist'); |
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} |
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return $this->options[$optionName]; |
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} |
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protected function sendRequest($endpoint, $data = []) |
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{ |
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$requestUrl = $this->buildApiEndpointUrl($endpoint); |
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$command = $this->commandFactory->createCommand( |
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$endpoint, |
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$this->apiKey, |
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$this->getFormat(), |
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$data |
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); |
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$response = $this->httpClient->request('POST', $requestUrl, [ |
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'headers' => [ |
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'Content-Type' => $this->getContentType() |
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], |
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'body' => $command->serialize() |
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]); |
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return $command->deserialize((string)$response->getBody()); |
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} |
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protected function parseOptions(array $options) |
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{ |
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$normalizedOptions = array_change_key_case($options, CASE_LOWER); |
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$this->options = array_merge( |
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$this->options, |
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array_intersect_key($normalizedOptions, $this->options) |
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); |
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} |
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protected function getContentType() |
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{ |
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return $this->contentTypes[$this->format]; |
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} |
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protected function getFormat() |
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{ |
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return $this->format; |
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} |
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private function containsMultipleMessages($messages) |
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{ |
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return count(array_filter($messages, 'is_array')) > 0; |
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} |
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protected function buildApiEndpointUrl($endpoint) |
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{ |
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return sprintf( |
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'%s://%s/%s/%s', |
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($this->getOptionValue('ssl'))? 'https':'http', |
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$this->base, |
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$this->format, |
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$endpoint |
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); |
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} |
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protected function validateParameters($method, $parameters) |
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{ |
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$missingParameters = array_diff( |
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$this->requiredParams[$method], |
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array_keys($parameters) |
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); |
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if (count($missingParameters)) { |
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throw new ClockworkSmsException( |
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"the following parameters are missing in call to method '{$method}': " |
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. implode(', ', $missingParameters) |
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); |
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} |
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} |
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protected function validateMessages($messages) |
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{ |
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if ($this->exceedsMessageLimit($messages)) { |
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throw new ClockworkSmsException(sprintf( |
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'Please call the send method with a maximum of %d messages', |
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self::MESSAGE_LIMIT |
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)); |
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} |
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foreach ($messages as $message) { |
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$this->validateParameters('send', $message); |
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} |
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} |
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protected function exceedsMessageLimit($messages) |
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{ |
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return count($messages) > self::MESSAGE_LIMIT; |
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} |
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protected function mergeMessageOptions(array $messages) |
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{ |
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$mergedMessages = []; |
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$globalMessageOptions = array_filter( |
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$this->options, |
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function ($value, $key) { |
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return $key != 'ssl'; |
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}, |
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ARRAY_FILTER_USE_BOTH |
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); |
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foreach ($messages as $message) { |
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$validParams = array_intersect_key( |
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$message, |
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array_flip($this->validParams['send']) |
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); |
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$mergedMessages[] = array_filter( |
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array_merge($globalMessageOptions, $validParams), |
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function ($value) { |
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return $value !== null; |
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} |
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); |
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} |
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return $mergedMessages; |
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} |
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} |
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dexbarrett /
clockworksms
