golang-exercises/parseJSON/main.go

package main

import (
	"encoding/json"
	"fmt"
	"log"
	"os"
	"strconv"
)

type people struct {
	Example         int `json:"number"`
	PersonalDetails []struct {
		Name  string `json:"name"`
		Craft string `json:"craft"`
	} `json:"people"`
}

func main() {
	query := `
  {
  "message": "success",
  "people": [
    {
      "name": "Jasmin Moghbeli",
      "craft": "ISS"
    },
    {
      "name": "Andreas Mogensen",
      "craft": "ISS"
    },
    {
      "name": "Satoshi Furukawa",
      "craft": "ISS"
    },
    {
      "name": "Konstantin Borisov",
      "craft": "ISS"
    },
    {
      "name": "Oleg Kononenko",
      "craft": "ISS"
    },
    {
      "name": "Nikolai Chub",
      "craft": "ISS"
    },
    {
      "name": "Loral O'Hara",
      "craft": "Test"
    }
  ],
  "number": 7
}
`
	textBytes := []byte(query)
	urbDicRequest := people{}
	err := json.Unmarshal(textBytes, &urbDicRequest)
	if err != nil {
		log.Fatalf("Error happened parsing json: %v\n", err)
	}

	choicString := os.Args[1]
	choice, _ := strconv.Atoi(choicString)

	fmt.Println(urbDicRequest.PersonalDetails[choice].Name)
	fmt.Println(urbDicRequest.PersonalDetails[choice].Craft)

}