Add function to convert text to speech

README.md

@@ -40,7 +40,7 @@ Unit tests and [mocks](/backend/mock_client_ops.go) can be found [here](/backend
 
 ## AWS SDK for Go
 
-- [AWS SDK Go Reference](https://pkg.go.dev/github.com/aws/aws-sdk-go-v2#section-readme)
+- [AWS SDK Go v2 Reference](https://pkg.go.dev/github.com/aws/aws-sdk-go-v2#section-readme)
 - [`translate` API client](https://pkg.go.dev/github.com/aws/aws-sdk-go-v2/service/translate)
 
 
@@ -53,9 +53,9 @@ Unit tests and [mocks](/backend/mock_client_ops.go) can be found [here](/backend
 - [Amazon S3](https://aws.amazon.com/s3/)
 - [AWS Lambda](https://aws.amazon.com/lambda/)
 ---
-- [Translate Supported Languages](https://docs.aws.amazon.com/translate/latest/dg/what-is-languages.html)
-- [Polly Voice List](https://docs.aws.amazon.com/polly/latest/dg/voicelist.html)
-- [Polly Supported Languages](https://docs.aws.amazon.com/polly/latest/dg/SupportedLanguage.html)
+- [Amazon - Translate Supported Languages](https://docs.aws.amazon.com/translate/latest/dg/what-is-languages.html)
+- [Amazon Polly -  Voice List](https://docs.aws.amazon.com/polly/latest/dg/voicelist.html)
+- [Amazon Polly - Supported Languages](https://docs.aws.amazon.com/polly/latest/dg/SupportedLanguage.html)
 
 ## Other
 - [trufflehog](https://github.com/trufflesecurity/trufflehog) - Secrets/Security Scan

backend/text_to_speech.go

@@ -1,8 +1,13 @@
 package backend
 
 import (
+	"context"
 	"fmt"
+	"github.com/aws/aws-sdk-go-v2/config"
+	"github.com/aws/aws-sdk-go-v2/service/polly"
+	"github.com/aws/aws-sdk-go-v2/service/polly/types"
 	"log"
+	"strings"
 )
 
 // GetTargetVoice connects the Amazon Translate language code with the Amazon Polly voice.
@@ -21,3 +26,40 @@ func GetTargetVoice(language string) (string, error) {
 	fmt.Println(targetVoice)
 	return targetVoice, nil
 }
+
+// GetSpeechSynthesisTaskId function creates a synthesis task which converts provided text into an audio stream.
+func GetSpeechSynthesisTaskId(text, bucketName, languageCode, targetVoice string) (taskId, objectName string, err error) {
+	// Load the Shared AWS Configuration (~/.aws/config)
+	cfg, err := config.LoadDefaultConfig(context.TODO(), config.WithRegion("eu-central-1"))
+	if err != nil {
+		log.Fatalf("failed to load configuration, %v\n", err)
+	}
+
+	client := polly.NewFromConfig(cfg)
+
+	outputFormat := types.OutputFormatMp3
+	engine := types.EngineStandard
+	targetVoice, _ = GetTargetVoice(languageCode)
+	targetVoiceId := types.VoiceId(targetVoice)
+
+	params := &polly.StartSpeechSynthesisTaskInput{
+		Text:               &text,
+		OutputS3BucketName: &bucketName,
+		OutputFormat:       outputFormat,
+		Engine:             engine,
+		VoiceId:            targetVoiceId,
+	}
+
+	ctx := context.TODO()
+	resp, err := client.StartSpeechSynthesisTask(ctx, params)
+	if err != nil {
+		log.Fatalf("failed to retrieve task id and object name, error:  %v\n", err)
+		return "", "", err
+	}
+	taskId = *resp.SynthesisTask.TaskId
+	uriParts := strings.Split(*resp.SynthesisTask.OutputUri, "/")
+	objectName = uriParts[len(uriParts)-1]
+	fmt.Println(taskId)
+	fmt.Println(objectName)
+	return taskId, objectName, nil
+}

go.mod

@@ -3,26 +3,21 @@ module zobot
 go 1.20
 
 require (
-	github.com/aws/aws-sdk-go-v2 v1.21.0
 	github.com/aws/aws-sdk-go-v2/config v1.18.42
-	github.com/aws/aws-sdk-go-v2/service/s3 v1.39.0
+	github.com/aws/aws-sdk-go-v2/service/polly v1.31.0
+	github.com/aws/aws-sdk-go-v2/service/translate v1.19.5
 )
 
 require (
-	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.13 // indirect
+	github.com/aws/aws-sdk-go-v2 v1.21.0 // indirect
 	github.com/aws/aws-sdk-go-v2/credentials v1.13.40 // indirect
 	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.13.11 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.41 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.35 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/ini v1.3.43 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/v4a v1.1.4 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.14 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.1.36 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.35 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.15.4 // indirect
 	github.com/aws/aws-sdk-go-v2/service/sso v1.14.1 // indirect
 	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.17.1 // indirect
 	github.com/aws/aws-sdk-go-v2/service/sts v1.22.0 // indirect
-	github.com/aws/aws-sdk-go-v2/service/translate v1.19.5 // indirect
 	github.com/aws/smithy-go v1.14.2 // indirect
 )

go.sum

@@ -1,7 +1,5 @@
 github.com/aws/aws-sdk-go-v2 v1.21.0 h1:gMT0IW+03wtYJhRqTVYn0wLzwdnK9sRMcxmtfGzRdJc=
 github.com/aws/aws-sdk-go-v2 v1.21.0/go.mod h1:/RfNgGmRxI+iFOB1OeJUyxiU+9s88k3pfHvDagGEp0M=
-github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.13 h1:OPLEkmhXf6xFPiz0bLeDArZIDx1NNS4oJyG4nv3Gct0=
-github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.13/go.mod h1:gpAbvyDGQFozTEmlTFO8XcQKHzubdq0LzRyJpG6MiXM=
 github.com/aws/aws-sdk-go-v2/config v1.18.42 h1:28jHROB27xZwU0CB88giDSjz7M1Sba3olb5JBGwina8=
 github.com/aws/aws-sdk-go-v2/config v1.18.42/go.mod h1:4AZM3nMMxwlG+eZlxvBKqwVbkDLlnN2a4UGTL6HjaZI=
 github.com/aws/aws-sdk-go-v2/credentials v1.13.40 h1:s8yOkDh+5b1jUDhMBtngF6zKWLDs84chUk2Vk0c38Og=
@@ -14,18 +12,10 @@ github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.35 h1:SijA0mgjV8E+8G45lt
 github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.35/go.mod h1:SJC1nEVVva1g3pHAIdCp7QsRIkMmLAgoDquQ9Rr8kYw=
 github.com/aws/aws-sdk-go-v2/internal/ini v1.3.43 h1:g+qlObJH4Kn4n21g69DjspU0hKTjWtq7naZ9OLCv0ew=
 github.com/aws/aws-sdk-go-v2/internal/ini v1.3.43/go.mod h1:rzfdUlfA+jdgLDmPKjd3Chq9V7LVLYo1Nz++Wb91aRo=
-github.com/aws/aws-sdk-go-v2/internal/v4a v1.1.4 h1:6lJvvkQ9HmbHZ4h/IEwclwv2mrTW8Uq1SOB/kXy0mfw=
-github.com/aws/aws-sdk-go-v2/internal/v4a v1.1.4/go.mod h1:1PrKYwxTM+zjpw9Y41KFtoJCQrJ34Z47Y4VgVbfndjo=
-github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.14 h1:m0QTSI6pZYJTk5WSKx3fm5cNW/DCicVzULBgU/6IyD0=
-github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.14/go.mod h1:dDilntgHy9WnHXsh7dDtUPgHKEfTJIBUTHM8OWm0f/0=
-github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.1.36 h1:eev2yZX7esGRjqRbnVk1UxMLw4CyVZDpZXRCcy75oQk=
-github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.1.36/go.mod h1:lGnOkH9NJATw0XEPcAknFBj3zzNTEGRHtSw+CwC1YTg=
 github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.35 h1:CdzPW9kKitgIiLV1+MHobfR5Xg25iYnyzWZhyQuSlDI=
 github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.35/go.mod h1:QGF2Rs33W5MaN9gYdEQOBBFPLwTZkEhRwI33f7KIG0o=
-github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.15.4 h1:v0jkRigbSD6uOdwcaUQmgEwG1BkPfAPDqaeNt/29ghg=
-github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.15.4/go.mod h1:LhTyt8J04LL+9cIt7pYJ5lbS/U98ZmXovLOR/4LUsk8=
-github.com/aws/aws-sdk-go-v2/service/s3 v1.39.0 h1:VZ2WMkKLio5tVjYfThcy5+pb6YHGd6B6egq75FfM6hU=
-github.com/aws/aws-sdk-go-v2/service/s3 v1.39.0/go.mod h1:rDGMZA7f4pbmTtPOk5v5UM2lmX6UAbRnMDJeDvnH7AM=
+github.com/aws/aws-sdk-go-v2/service/polly v1.31.0 h1:yka3FSx/Lxw6UKKpwpSxXjMdVvC7c4UdJsV7ZbUEaXs=
+github.com/aws/aws-sdk-go-v2/service/polly v1.31.0/go.mod h1:0PYDQGjUlhE9oe8/OyOyu468dSGK0++Y4CJrx04LeVs=
 github.com/aws/aws-sdk-go-v2/service/sso v1.14.1 h1:YkNzx1RLS0F5qdf9v1Q8Cuv9NXCL2TkosOxhzlUPV64=
 github.com/aws/aws-sdk-go-v2/service/sso v1.14.1/go.mod h1:fIAwKQKBFu90pBxx07BFOMJLpRUGu8VOzLJakeY+0K4=
 github.com/aws/aws-sdk-go-v2/service/ssooidc v1.17.1 h1:8lKOidPkmSmfUtiTgtdXWgaKItCZ/g75/jEk6Ql6GsA=

main.go

@@ -5,6 +5,8 @@ import (
 )
 
 func main() {
+	// placeholder
 	backend.TranslateText("hello world", "en")
 	backend.GetTargetVoice("es")
+	backend.GetSpeechSynthesisTaskId("Testing speech to voice functionality", "bucket-polly19", "es", "")
 }