(Go) Amazon Pay - Get Buyer

See more Amazon Pay Examples

Get buyer details.

Note: This example requires Chilkat v9.5.0.89 or later. Contact support@chilkatsoft.com to get a v9.5.0.89 pre-release for testing.

For more information, see https://developer.amazon.com/docs/amazon-pay-api-v2/buyer.html#get-buyer

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    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    http := chilkat.NewHttp()
    var success bool

    // Implements the following CURL command:

    // curl "https://pay-api.amazon.com/:version/buyers/:buyerToken" \
    // 	-X GET
    // 	-H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
    // 	-H "x-amz-pay-date:20201012T235046Z"

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    // Load your Amazon Pay private key.  
    // There are many other ways to load private keys into the Chilkat private key object, such as from different formats,
    // or from in-memory strings or bytes.
    privKey := chilkat.NewPrivateKey()
    success = privKey.LoadPemFile("C:/someDir/myAmazonPayPrivateKey.pem")
    if success == false {
        fmt.Println(privKey.LastErrorText())
        http.DisposeHttp()
        privKey.DisposePrivateKey()
        return
    }

    // Provide your Amazon Pay private key and Public Key ID 
    // Use your public key ID here.  It must be the one associated with the private key.
    // Note: The SetAuthPrivateKey method was added in Chilkat v9.5.0.89
    publicKeyId := "SANDBOX-AHEGSJCM3L2S637RBGABLAFW"
    success = http.SetAuthPrivateKey(publicKeyId,privKey)
    if success == false {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        privKey.DisposePrivateKey()
        return
    }

    // Note: When the private key is provided as shown above, Chilkat will automatically add the required x-amz-pay-* headers to the HTTP request,
    // and will also sign the request.  Nothing more is needed.
    // Chilkat automatically generates and adds the following headers:
    // 
    // x-amz-pay-date
    // x-amz-pay-host
    // x-amz-pay-region
    // Authorization

    http.SetAccept("application/json")

    respStatusCode := 0

    sbResponseBody := chilkat.NewStringBuilder()
    success = http.SetUrlVar("buyerToken","BUYER_TOKEN")
    // To use the live system, replace "sandbox" with "live" in the URL passed to QuickGetSb.
    // Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
    success = http.QuickGetSb("https://pay-api.amazon.eu/sandbox/v2/buyers/{$buyerToken}",sbResponseBody)
    if success == false {
        // If the LastStatus is not equal to 0, then we received a response, but it was an error response.
        respStatusCode = http.LastStatus()
        if respStatusCode != 0 {
            fmt.Println("Response Status Code = ", respStatusCode)
            // Here is a sample response body for the case where the buyer token does not exist:
            // {"reasonCode":"InvalidBuyerToken","message":"The token provided is expired, revoked, malformed, or invalid for other reasons."}

            fmt.Println("Response body:")
            fmt.Println(http.LastResponseBody())
        }
        else {
            fmt.Println(http.LastErrorText())
        }

        http.DisposeHttp()
        privKey.DisposePrivateKey()
        sbResponseBody.DisposeStringBuilder()
        return
    }

    jResp := chilkat.NewJsonObject()
    jResp.LoadSb(sbResponseBody)
    jResp.SetEmitCompact(false)

    fmt.Println("Response Body:")
    fmt.Println(*jResp.Emit())

    respStatusCode = http.LastStatus()
    fmt.Println("Response Status Code = ", respStatusCode)
    // We expect a 200 status code for success.
    // Note: Some Amazon Pay API calls return 200 for success, others return 201.
    if respStatusCode != 200 {
        fmt.Println("Failed.")
        http.DisposeHttp()
        privKey.DisposePrivateKey()
        sbResponseBody.DisposeStringBuilder()
        jResp.DisposeJsonObject()
        return
    }

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    // 	"name": "John Example",
    // 	"email": "johnexample@amazon.com",
    // 	"postalCode": "12345",
    // 	"countryCode": "US",
    // 	"buyerId": "DIRECTEDBUYERID",
    // 	"phoneNumber": "1234567811" // default billing address phone number
    // 	"shippingAddress": {
    // 		"name": "John",
    // 		"addressLine1": "15th Street",
    // 		"addressLine2": "",
    // 		"addressLine3": "",
    // 		"city": "Seattle", 
    // 		"county": "",
    // 		"district": "",
    // 		"stateOrRegion": "WA",
    // 		"country": "USA",
    // 		"postalCode": "98121",
    // 		"phoneNumber": "1234567899"
    // 	},
    // 	"billingAddress": null,
    // 	"primeMembershipTypes": null
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    name := jResp.StringOf("name")
    email := jResp.StringOf("email")
    postalCode := jResp.StringOf("postalCode")
    countryCode := jResp.StringOf("countryCode")
    buyerId := jResp.StringOf("buyerId")
    phoneNumber := jResp.StringOf("phoneNumber")
    shippingAddressName := jResp.StringOf("shippingAddress.name")
    shippingAddressAddressLine1 := jResp.StringOf("shippingAddress.addressLine1")
    shippingAddressAddressLine2 := jResp.StringOf("shippingAddress.addressLine2")
    shippingAddressAddressLine3 := jResp.StringOf("shippingAddress.addressLine3")
    shippingAddressCity := jResp.StringOf("shippingAddress.city")
    shippingAddressCounty := jResp.StringOf("shippingAddress.county")
    shippingAddressDistrict := jResp.StringOf("shippingAddress.district")
    shippingAddressStateOrRegion := jResp.StringOf("shippingAddress.stateOrRegion")
    shippingAddressCountry := jResp.StringOf("shippingAddress.country")
    shippingAddressPostalCode := jResp.StringOf("shippingAddress.postalCode")
    shippingAddressPhoneNumber := jResp.StringOf("shippingAddress.phoneNumber")
    billingAddress := jResp.StringOf("billingAddress")
    primeMembershipTypes := jResp.StringOf("primeMembershipTypes")

    http.DisposeHttp()
    privKey.DisposePrivateKey()
    sbResponseBody.DisposeStringBuilder()
    jResp.DisposeJsonObject()