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<?php |
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namespace Meema\MediaRecognition\Traits; |
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use Exception; |
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trait CanRecognizeImages |
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{ |
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/** |
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* The input image as base64-encoded bytes. |
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* |
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* @var string|null |
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*/ |
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protected ?string $blob = null; |
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/** |
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* Set the base64 encoded image. |
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* |
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* @param string $blob |
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* |
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* @return $this |
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*/ |
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public function blob(string $blob) |
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{ |
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$this->blob = $blob; |
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return $this; |
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} |
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/** |
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* Sets the image to be analyzed. |
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* |
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* @return void |
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* @throws \Exception |
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*/ |
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protected function setImageSettings(): void |
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{ |
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$this->ensureSourceIsNotNull(); |
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if (is_string($this->blob)) { |
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$this->settings['Image'] = [ |
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'Bytes' => $this->blob, |
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]; |
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return; |
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} |
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$disk = $this->disk ?? config('media-recognition.disk'); |
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$bucketName = config("filesystems.disks.$disk.bucket"); |
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if (! $bucketName) { |
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throw new Exception('Please make sure to set a S3 bucket name.'); |
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} |
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$this->settings['Image'] = [ |
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'S3Object' => [ |
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'Bucket' => $bucketName, |
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'Name' => $this->source, |
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], |
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]; |
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} |
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/** |
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* @param int|null $minConfidence |
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* @param null $maxLabels |
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* @return mixed |
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* @throws \Exception |
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*/ |
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public function detectImageLabels($minConfidence = null, $maxLabels = null) |
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{ |
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$this->setImageSettings(); |
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$this->settings['MinConfidence'] = $minConfidence ?? config('media-recognition.min_confidence'); |
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if (is_int($maxLabels)) { |
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$this->settings['MaxLabels'] = $maxLabels; |
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} |
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$results = $this->client->detectLabels($this->settings); |
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if (is_null($this->mediaId)) { |
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return $results; |
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} |
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$this->updateOrCreate('labels', $results); |
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return $results; |
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} |
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/** |
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* @param array $attributes |
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* @return mixed |
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* @throws \Exception |
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*/ |
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public function detectImageFaces($attributes = ['DEFAULT']) |
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{ |
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$this->setImageSettings(); |
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$this->settings['Attributes'] = $attributes; |
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$results = $this->client->detectFaces($this->settings); |
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if (is_null($this->mediaId)) { |
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return $results; |
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} |
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$this->updateOrCreate('faces', $results); |
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return $results; |
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} |
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/** |
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* @param int|null $minConfidence |
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* @return mixed |
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* @throws \Exception |
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*/ |
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public function detectImageModeration($minConfidence = null) |
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{ |
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$this->setImageSettings(); |
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$this->settings['MinConfidence'] = $minConfidence ?? config('media-recognition.min_confidence'); |
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$results = $this->client->detectModerationLabels($this->settings); |
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if (is_null($this->mediaId)) { |
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return $results; |
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} |
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$this->updateOrCreate('moderation', $results); |
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return $results; |
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} |
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/** |
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* @param array|null $filters |
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* @return mixed |
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* @throws \Exception |
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*/ |
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public function detectImageText(array $filters = null) |
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{ |
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$this->setImageSettings(); |
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if (is_array($filters)) { |
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$this->settings['Filters'] = $filters; |
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} |
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$results = $this->client->detectText($this->settings); |
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if (is_null($this->mediaId)) { |
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return $results; |
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} |
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$this->updateOrCreate('ocr', $results); |
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return $results; |
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} |
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} |
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meemalabs /
laravel-media-recognition
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