Swift Requires Chilkat v11.0.0+

Amazon Pay - Create Refund

See more Amazon Pay Examples

Initiate a full or partial refund for a charge. Swift

func chilkatTest() {
    var success: Bool = false

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

    let http = CkoHttp()!

    //  Implements the following CURL command:

    //  curl "https://pay-api.amazon.com/:version/refunds/" \
    //  -X POST
    //  -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
    //  -H "x-amz-pay-date:20201012T235046Z"
    //  -H "x-amz-pay-idempotency-key:AVLo5tI10BHgEk2jEXAMPLEKEY"
    //  -d '{
    //      "chargeId": "CHARGE_ID",
    //      "refundAmount": {
    //          "amount": "14.00",
    //          "currencyCode": "USD"
    //      },
    //      "softDescriptor": "Descriptor"
    //  }'

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

    //  Use this online tool to generate code from sample JSON:
    //  Generate Code to Create JSON

    //  The following JSON is sent in the request body.

    //  {
    //      "chargeId": "CHARGE_ID",
    //      "refundAmount": {
    //          "amount": "14.00",
    //          "currencyCode": "USD"
    //      },
    //      "softDescriptor": "Descriptor"
    //  }

    let json = CkoJsonObject()!
    json.updateString(jsonPath: "chargeId", value: "CHARGE_ID")
    json.updateString(jsonPath: "refundAmount.amount", value: "14.00")
    json.updateString(jsonPath: "refundAmount.currencyCode", value: "USD")
    json.updateString(jsonPath: "softDescriptor", value: "Descriptor")

    //  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.
    let privKey = CkoPrivateKey()!
    success = privKey.loadPemFile(path: "C:/someDir/myAmazonPayPrivateKey.pem")
    if success == false {
        print("\(privKey.lastErrorText!)")
        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
    var publicKeyId: String? = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW"
    success = http.setAuthPrivateKey(publicKeyId: publicKeyId, privKey: privKey)
    if success == false {
        print("\(http.lastErrorText!)")
        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
    //  x-amz-pay-idempotency-key
    //  Authorization

    http.accept = "application/json"

    //  To use the live system, replace "sandbox" with "live" in the URL passed to HttpJson.
    //  Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
    let resp = CkoHttpResponse()!
    success = http.httpJson(verb: "POST", url: "https://pay-api.amazon.eu/sandbox/v2/refunds/", json: json, contentType: "application/json", response: resp)
    if success == false {
        print("\(http.lastErrorText!)")
        return
    }

    let sbResponseBody = CkoStringBuilder()!
    resp.getBodySb(sb: sbResponseBody)
    let jResp = CkoJsonObject()!
    jResp.loadSb(sb: sbResponseBody)
    jResp.emitCompact = false

    //  If the status code is not equal to 201, this will display error information.
    print("Response Body:")
    print("\(jResp.emit()!)")

    var respStatusCode: Int = resp.statusCode.intValue
    print("Response Status Code = \(respStatusCode)")
    if respStatusCode != 201 {
        print("Failed.")
        return
    }

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

    //  {
    //       "refundId": "S01-5105180-3221187-R022311",
    //       "chargeId": "S01-5105180-3221187-C056351",
    //       "refundAmount": {
    //           "amount": "14.00",
    //           "currencyCode": "USD"
    //       },
    //       "softDescriptor": "Descriptor",
    //       "creationTimestamp": "20190714T155300Z",
    //       "statusDetails": {
    //           "state": "RefundInitiated",
    //           "reasonCode": null,
    //           "reasonDescription": null,
    //           "lastUpdatedTimestamp": "20190714T155300Z"
    //       },
    //       "releaseEnvironment": "Sandbox"
    //  }

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

    var refundId: String? = jResp.string(of: "refundId")
    var chargeId: String? = jResp.string(of: "chargeId")
    var refundAmountAmount: String? = jResp.string(of: "refundAmount.amount")
    var refundAmountCurrencyCode: String? = jResp.string(of: "refundAmount.currencyCode")
    var softDescriptor: String? = jResp.string(of: "softDescriptor")
    var creationTimestamp: String? = jResp.string(of: "creationTimestamp")
    var statusDetailsState: String? = jResp.string(of: "statusDetails.state")
    var statusDetailsReasonCode: String? = jResp.string(of: "statusDetails.reasonCode")
    var statusDetailsReasonDescription: String? = jResp.string(of: "statusDetails.reasonDescription")
    var statusDetailsLastUpdatedTimestamp: String? = jResp.string(of: "statusDetails.lastUpdatedTimestamp")
    var releaseEnvironment: String? = jResp.string(of: "releaseEnvironment")

}