Go: stripe API 使い方 (List all customers)

こちらのページの続きです。
stripe API 使い方 (List all customers)

Go http でカスタマーの一覧を取得

必要なライブラリーのインストール

go get github.com/joho/godotenv

go mod init get_customers_http
go mod tidy

get_customers_http.go

// ---------------------------------------------------------------
//  get_customers_http.go
//
//                  Dec/17/2021
// ---------------------------------------------------------------

package main

import (
    "os"
    "fmt"
    "io/ioutil"
    "net/http"
    "github.com/joho/godotenv"
    "encoding/json"
)

// ---------------------------------------------------------------
func main() {
    fmt.Printf ("*** 開始 ***\n")
    err := godotenv.Load(".env")
    if err != nil {
        panic(err)
        }

    secret_key := os.Getenv("SECRET_KEY")

    url_target := "https://api.stripe.com/v1/customers"
    req, _ := http.NewRequest("GET", url_target, nil)
    req.Header.Set("Authorization", "Bearer " + secret_key)
    client := new(http.Client)
    res, err := client.Do(req)
    if err != nil {
        fmt.Println("Request error:", err)
        return
    }
    defer res.Body.Close()

    body, err := ioutil.ReadAll(res.Body)
    if err != nil {
        fmt.Println("Request error:", err)
        return
    }

    str_json := string(body)
    var dict_aa map[string]interface{}
    json.Unmarshal ([]byte(str_json), &dict_aa )

    slice_aa := dict_aa["data"].([]interface{})
        nn := len(slice_aa)
        fmt.Printf("nn = %d\n", nn)

    for it := 0; it < nn; it++ {
        unit := dict_aa["data"].([]interface{})[it]
        fmt.Println(unit.(map[string]interface{})["id"])
    }

    fmt.Printf ("*** 終了 ***\n")
}

// ---------------------------------------------------------------

実行結果

$ go run get_customers_http.go
*** 開始 ***
nn = 4
cus_KmrIU4hzWqYt7R
cus_KmoG4k1wiKxSDc
cus_KmnqmJhBAvPGMq
cus_KmnpiRFjm8he97
*** 終了 ***

Go sdk でカスタマーの一覧を取得

sdk のインストール

go get github.com/stripe/stripe-go/v72

go mod init get_customers_sdk
go mod tidy

get_customers_sdk.go

// ---------------------------------------------------------------
//  get_customers_sdk.go
//
//                  Dec/17/2021
// ---------------------------------------------------------------

package main

import (
    "os"
    "fmt"
    "github.com/stripe/stripe-go/v72"
    "github.com/stripe/stripe-go/v72/customer"
    "github.com/joho/godotenv"
)

// ---------------------------------------------------------------
func main () {

err := godotenv.Load(".env")
    if err != nil {
        panic(err)
    }

stripe.Key = os.Getenv("SECRET_KEY")

params := &stripe.CustomerListParams{}
params.Filters.AddFilter("limit", "", "10")
ii := customer.List(params)
for ii.Next() {
    cc := ii.Customer()
    fmt.Println(cc.ID)
    }

}

// ---------------------------------------------------------------

実行結果

$ go run get_customers_sdk.go
cus_KmrIU4hzWqYt7R
cus_KmoG4k1wiKxSDc
cus_KmnqmJhBAvPGMq
cus_KmnpiRFjm8he97