Batch delete customers from Gambio Shop

main.go

package main

import (
	"encoding/json"
	"fmt"
	"net/http"
	"strconv"
	"strings"
)

func main() {
	client := &http.Client{}
	req, err := http.NewRequest("GET", "https://shop.example.com/api.php/v2/customers", nil)
	req.Header.Add("Authorization", "Basic changeme")

	resp, err := client.Do(req)
	if err != nil {
		fmt.Println("err", err)
		return
	}
	var customers []Customer
	if err := json.NewDecoder(resp.Body).Decode(&customers); err != nil {
		fmt.Println("err", err)
		return
	}
	var toDeleteIds []string
	for _, customer := range customers {
		// criteria by which you want to wipe customers
		if customer.Id > 250 {
			toDeleteIds = append(toDeleteIds, strconv.Itoa(customer.Id))
			fmt.Println(customer.Firstname, customer.Email)
		}
	}
	param := strings.Join(toDeleteIds, ",")
	req, err = http.NewRequest("DELETE", "https://shop.example.com/api.php/v2/customers/"+param, nil)
	req.Header.Add("Authorization", "Basic changeme")
	resp, err = client.Do(req)
	if err != nil {
		fmt.Println("err", err)
		return
	}
	if resp.StatusCode != 200 {
		fmt.Println("err", "unexpected status code, not 200")
		fmt.Println("status code", resp.Status)
		return
	}
	fmt.Println("deleted", param)
}

type Customer struct {
	Id              int    `json:"id"`
	Number          string `json:"number"`
	Gender          string `json:"gender"`
	Firstname       string `json:"firstname"`
	Lastname        string `json:"lastname"`
	DateOfBirth     string `json:"dateOfBirth"`
	VatNumber       string `json:"vatNumber"`
	VatNumberStatus int    `json:"vatNumberStatus"`
	Telephone       string `json:"telephone"`
	Fax             string `json:"fax"`
	Email           string `json:"email"`
	StatusId        int    `json:"statusId"`
	IsGuest         bool   `json:"isGuest"`
	AddressId       int    `json:"addressId"`
	Links           struct {
		Address string `json:"address"`
		Status  string `json:"status"`
	} `json:"_links"`
}