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<?php |
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namespace SegmentIO\Filters; |
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use SegmentIO\Client; |
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/** |
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* EnrichmentFilters Class |
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* |
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* @author Keith Kirk <[email protected]> |
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*/ |
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abstract class EnrichmentFilters |
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{ |
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/** |
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* Generates a UUID v4 as a Message Id |
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* |
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* @see https://gist.github.com/dahnielson/508447#file-uuid-php-L74 |
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* |
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* @return string |
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*/ |
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public static function generateMessageId() |
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{ |
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return sprintf("%04x%04x-%04x-%04x-%04x-%04x%04x%04x", |
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// 32 bits for "time_low" |
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mt_rand(0, 0xffff), mt_rand(0, 0xffff), |
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// 16 bits for "time_mid" |
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mt_rand(0, 0xffff), |
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// 16 bits for "time_hi_and_version", |
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// four most significant bits holds version number 4 |
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mt_rand(0, 0x0fff) | 0x4000, |
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// 16 bits, 8 bits for "clk_seq_hi_res", |
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// 8 bits for "clk_seq_low", |
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// two most significant bits holds zero and one for variant DCE1.1 |
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mt_rand(0, 0x3fff) | 0x8000, |
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// 48 bits for "node" |
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mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff) |
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); |
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} |
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/** |
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* Generates an ISO 8601 datetime string |
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* |
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* @param integer $timestamp Time the Event Occurred (Optional) |
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* |
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* @return string |
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*/ |
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public static function generateISODate($timestamp = null) |
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{ |
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$timestamp = !is_null($timestamp) && is_numeric($timestamp) |
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? $timestamp |
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: time(); |
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return date('c', $timestamp); |
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} |
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/** |
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* Adds MessageIds and ISO 8601 formatted datetime strings to all batched operations |
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* |
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* @param array $operations The Batch of operations |
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* |
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* @return array |
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*/ |
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public static function enrichBatchOperations(array $operations = []) |
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{ |
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foreach ($operations as &$op) { |
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$timestamp = isset($op['timestamp']) ? $op['timestamp'] : null; |
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$op = array_merge($op, [ |
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'messageId' => self::generateMessageId(), |
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'timestamp' => self::generateISODate($timestamp) |
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]); |
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} |
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return $operations; |
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} |
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/** |
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* Get the Default Context properties |
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* |
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* @param array $context |
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* |
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* @return array |
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*/ |
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public static function generateDefaultContext(array $context = []) |
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{ |
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return array_merge($context, [ |
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'library' => [ |
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'name' => 'analytics-php-guzzle', |
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'version' => Client::VERSION |
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] |
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]); |
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} |
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} |
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uecode /
segment-io-php
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