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Merge pull request #25 from go-park-mail-ru/TP-87a_filtration
Tp 87a filtration
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -26,4 +26,5 @@ cert/ | |
| .env | ||
| redis.conf | ||
| inventory | ||
| keyVision.json | ||
| script* | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package image | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "strings" | ||
|
|
||
| pb "cloud.google.com/go/vision/v2/apiv1/visionpb" | ||
| ) | ||
|
|
||
| var ( | ||
| maxAnnotationsNumber int32 = 15 | ||
| explicitLabels = []string{"goose", "duck"} | ||
| ErrExplicitImage = errors.New("Image content doesn't comply with service policy") | ||
| ) | ||
|
|
||
| func CheckAnnotations(annotation *pb.SafeSearchAnnotation) bool { | ||
| if annotation.GetAdult() >= pb.Likelihood_LIKELY || | ||
| annotation.GetMedical() >= pb.Likelihood_LIKELY || | ||
| annotation.GetRacy() >= pb.Likelihood_LIKELY || | ||
| annotation.GetViolence() >= pb.Likelihood_LIKELY || | ||
| annotation.GetSpoof() >= pb.Likelihood_LIKELY { | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func GetImageLabels(annotations []*pb.EntityAnnotation) []string { | ||
| imgLabels := make([]string, 0, len(annotations)) | ||
| for _, label := range annotations { | ||
| imgLabels = append(imgLabels, label.GetDescription()) | ||
| } | ||
| return imgLabels | ||
| } | ||
|
|
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| func CheckCertainLabels(explicitLabels, imgLabels []string) bool { | ||
| for _, label := range explicitLabels { | ||
| if HasExplicitLabel(label, imgLabels) { | ||
| return true | ||
| } | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func HasExplicitLabel(explicitLabel string, imgLabels []string) bool { | ||
| for _, label := range imgLabels { | ||
| if strings.Contains(strings.ToLower(label), strings.ToLower(explicitLabel)) { | ||
| return true | ||
| } | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func CheckExplicit(resp *pb.AnnotateImageResponse, explicitLabels []string) error { | ||
| if CheckCertainLabels(explicitLabels, GetImageLabels(resp.GetLabelAnnotations())) || | ||
| CheckAnnotations(resp.GetSafeSearchAnnotation()) { | ||
| return ErrExplicitImage | ||
| } | ||
| return nil | ||
| } | ||
|
|
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| func (img *imageCase) FilterImage(ctx context.Context, imgBytes []byte, explicitLabels []string) error { | ||
| req := &pb.BatchAnnotateImagesRequest{ | ||
| Requests: []*pb.AnnotateImageRequest{ | ||
| { | ||
| Image: &pb.Image{Content: imgBytes}, | ||
| Features: []*pb.Feature{ | ||
| {Type: pb.Feature_LABEL_DETECTION, MaxResults: maxAnnotationsNumber}, | ||
| {Type: pb.Feature_SAFE_SEARCH_DETECTION, MaxResults: maxAnnotationsNumber}, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| resp, err := img.visionClient.BatchAnnotateImages(ctx, req) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return CheckExplicit(resp.GetResponses()[0], explicitLabels) | ||
| } |
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