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<?php |
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trait MongoAnalytics |
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{ |
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public function analyticalStore() |
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{ |
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static $redis; |
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if (!$redis) { |
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$redis = new Predis\Client(); |
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} |
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return $redis; |
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} |
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public function eavesdrop($opts = ['criteria' => 0, 'options' => 1], $fnc, $args = []) |
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{ |
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if (isset($opts['readArgs']) && !$opts['readArgs']) { |
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$criteria = $opts['criteria'] ?? []; |
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$options = $opts['options'] ?? []; |
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$op = $opts['operation'] ?: null; |
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$name = $opts['name'] ?? $this->name; |
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} else { |
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$criteria = isset($opts['criteria']) ? $args[$opts['criteria']] ?? [] : []; |
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$options = isset($opts['options']) ? ($args[$opts['options']] ?? []) : []; |
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$op = is_array($fnc) && !isset($opts['operation']) ? |
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($fnc[1] ?? null) : (isset($opts['operation']) ? ($opts['operation'] ?? null) : null); |
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$name = $opts['name'] ?? $this->name; |
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} |
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return $this->analyticalDataCapture($op ?: 'unknownOperation', $criteria, $options, $fnc, $name); |
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} |
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private function analyticalNormalization(&$criteria) |
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{ |
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if (is_array($criteria)) { |
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array_walk($criteria, function (&$ref) { |
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if (is_array($ref)) { |
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$this->analyticalNormalization($ref); |
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return; |
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} |
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$ref = null; |
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}); |
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ksort($criteria); |
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return; |
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} |
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$criteria = null; |
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} |
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private function analyticalDataCapture($op = 'criteria', $criteria = [], $options = [], $call = null, $name = null) |
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{ |
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$payload = ["criteria" => $criteria, "options" => $options]; |
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$this->analyticalNormalization($payload); |
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$init = microtime(true); |
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$serialized = json_encode($payload); |
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$redisKey = sprintf("mongodb/%s/%s/%s", $name ?: $this->name, $op, md5($serialized)); |
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$onEnd = function () use ($serialized, $redisKey, $init) { |
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$diff = ceil((microtime(true) - $init) * 1000); |
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if ($diff < 10) return; |
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$time = strtotime("+1 hour 00:00"); |
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$redis = $this->analyticalStore(); |
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$redis->incr("$redisKey/count"); |
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$redis->set("$redisKey/criteria", $serialized); |
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$redis->expireat("$redisKey/count", $time); |
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$redis->expireat("$redisKey/criteria", $time); |
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$redis->setnx("$redisKey/time", 0); |
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$redis->incrby("$redisKey/time", $diff); |
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$redis->expireat("$redisKey/time", $time); |
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}; |
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if ($call) { |
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try { |
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return $call(); |
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} finally { |
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$onEnd(); |
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} |
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} |
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return $onEnd; |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: