Simple Go client for test data service

test-data-client.go

package main

import (
	"crypto/tls"
	"encoding/csv"
	"encoding/json"
	"io/ioutil"
	"log"
	"net/http"
	"os"
)

type person struct {
	Address struct {
		AddressCountry  string `json:"addressCountry"`
		AddressLocality string `json:"addressLocality"`
		HouseNumber     string `json:"houseNumber"`
		PostalCode      string `json:"postalCode"`
		StreetAddress   string `json:"streetAddress"`
	} `json:"address"`
	BirthDate  string `json:"birthDate"`
	BirthName  string `json:"birthName"`
	Comment    string `json:"comment"`
	Email      string `json:"email"`
	Eyecolor   string `json:"eyecolor"`
	FamilyName string `json:"familyName"`
	Gender     string `json:"gender"`
	GivenName  string `json:"givenName"`
	Height     int    `json:"height"`
}

type account struct {
	Bank struct {
		BankCode string `json:"bankCode"`
		Bic      string `json:"bic"`
		City     string `json:"city"`
		Desc     string `json:"desc"`
	} `json:"bank"`
	Comment string `json:"comment"`
	Iban    string `json:"iban"`
}

type phone struct {
	Comment     string `json:"comment"`
	PhoneNumber string `json:"phoneNumber"`
}

type creditcard struct {
	Number string `json:"number"`
	Type   string `json:"type"`
	Cvc    string `json:"cvc"`
	Expiry string `json:"expiry"`
}

var user, pwd string
var client *http.Client

func main() {
	// use this for self signed TLS certificate
	http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true}

	// for Basic Auth
	user = "admin"
	pwd = "admin"

	client = &http.Client{}

	w := csv.NewWriter(os.Stdout)

	for i := 0; i < 1000; i++ {
		record := getRecord()
		if err := w.Write(record); err != nil {
			log.Fatalln("error writing record to csv:", err)
		}
	}

	w.Flush()
	if err := w.Error(); err != nil {
		log.Fatal(err)
	}
}

func getRecord() []string {

	body := sendRequest("http://localhost/api/v1/person")
	pd := person{}
	json.Unmarshal(body, &pd)

	var record []string = make([]string, 17)
	record[0] = pd.FamilyName
	record[1] = pd.GivenName
	record[2] = pd.BirthDate
	record[3] = pd.Email
	record[4] = pd.Address.PostalCode
	record[5] = pd.Address.AddressLocality
	record[6] = pd.Address.StreetAddress
	record[7] = pd.Address.HouseNumber

	body = sendRequest("http://localhost/api/v1/account")
	bd := account{}
	json.Unmarshal(body, &bd)

	record[8] = bd.Bank.Desc
	record[9] = bd.Bank.Bic
	record[10] = bd.Iban

	body = sendRequest("http://localhost/api/v1/mobile")
	md := phone{}
	json.Unmarshal(body, &md)

	record[11] = md.PhoneNumber

	body = sendRequest("http://localhost/api/v1/landline")
	json.Unmarshal(body, &md)

	record[12] = md.PhoneNumber

	body = sendRequest("http://localhost/api/v1/creditcard")
	cc := creditcard{}
	json.Unmarshal(body, &cc)

	record[13] = cc.Type
	record[14] = cc.Number
	record[15] = cc.Expiry
	record[16] = cc.Cvc

	return record
}

func sendRequest(url string) []byte {
	req, err := http.NewRequest("GET", url, nil)
	if err != nil {
		log.Panicln(err)
	}

	req.SetBasicAuth(user, pwd)

	resp, err := client.Do(req)
	if err != nil {
		log.Panicln(err)
	}

	defer resp.Body.Close()

	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		log.Panicln(err)
	}

	return body
}