Example of AWS Comprehend with Go

comprehend.go

package main

import (
	"fmt"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/session"
	"github.com/aws/aws-sdk-go/service/comprehend"
)

func main() {

	// Create Session
	// sess := session.Must(session.NewSession())

	// Create a Session with a custom region
	sess := session.Must(session.NewSession(&aws.Config{
		Region: aws.String("us-east-1"),
	}))

	// Create a Comprehend client from just a session.
	client := comprehend.New(sess)

	// Create a Comprehend client with additional configuration
	// client := comprehend.New(sess, aws.NewConfig().WithRegion("us-west-2"))

	// Example sending a request using the DetectSentimentRequest method.

	listTexts := []string{
		"Type something here... keep going",
		"Type something here... keep going",
		"Type something here... keep going",
		"Type something here... keep going",
		"Type something here... keep going",
	}

	for _, text := range listTexts {
		fmt.Println("\n\n")
		fmt.Println(text)
		{

			params := comprehend.DetectSentimentInput{}
			params.SetLanguageCode("en")
			params.SetText(text)

			req, resp := client.DetectSentimentRequest(&params)

			err := req.Send()
			if err == nil { // resp is now filled
				// fmt.Println(*resp.Sentiment)
				fmt.Println(*resp)
			} else {
				fmt.Println(err)
			}
		}

		{
			params := comprehend.DetectEntitiesInput{}
			params.SetLanguageCode("en")
			params.SetText(text)

			req, resp := client.DetectEntitiesRequest(&params)

			err := req.Send()
			if err == nil { // resp is now filled
				// fmt.Println(*resp.Sentiment)
				fmt.Println(*resp)
			} else {
				fmt.Println(err)
			}
		}

		{
			params := comprehend.DetectKeyPhrasesInput{}
			params.SetLanguageCode("en")
			params.SetText(text)

			req, resp := client.DetectKeyPhrasesRequest(&params)

			err := req.Send()
			if err == nil { // resp is now filled
				// fmt.Println(*resp.Sentiment)
				fmt.Println(*resp)
			} else {
				fmt.Println(err)
			}
		}

	}

}