(Swift 3,4,5...) Amazon Pay - Update Charge Permission

See more Amazon Pay Examples

Update the Charge Permission with your external order metadata or the recurringMetadata.

For more information, see https://developer.amazon.com/docs/amazon-pay-api-v2/charge-permission.html#update-charge-permission

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

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

    let http = CkoHttp()!
    var success: Bool

    // Implements the following CURL command:

    // curl "https://pay-api.amazon.com/:version/chargePermissions/:chargePermissionId" \
    // -X PATCH
    // -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
    // -H "x-amz-pay-date:20201012T235046Z"
    // -d '{
    //     "merchantMetadata": {
    //         "merchantReferenceId": "32-41-323141-32",
    //         "merchantStoreName": "AmazonTestStoreFront",
    //         "noteToBuyer": "Some Note to buyer",
    //         "customInformation": ""    
    //      }  
    // }'

    // 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.

    // {
    //     "merchantMetadata": {
    //         "merchantReferenceId": "32-41-323141-32",
    //         "merchantStoreName": "AmazonTestStoreFront",
    //         "noteToBuyer": "Some Note to buyer",
    //         "customInformation": ""    
    //      }  
    // }

    let json = CkoJsonObject()!
    json.update("merchantMetadata.merchantReferenceId", value: "32-41-323141-32")
    json.update("merchantMetadata.merchantStoreName", value: "AmazonTestStoreFront")
    json.update("merchantMetadata.noteToBuyer", value: "Some Note to buyer")
    json.update("merchantMetadata.customInformation", value: "")

    let sbRequestBody = CkoStringBuilder()!
    json.emitSb(sbRequestBody)

    // 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("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, 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
    // Authorization

    http.accept = "application/json"

    success = http.setUrlVar("chargePermissionId", value: "CHARGE_PERMISSION_ID")
    // To use the live system, replace "sandbox" with "live" in the URL passed to PTextSb.
    // Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
    var resp: CkoHttpResponse? = http.pTextSb("PATCH", url: "https://pay-api.amazon.eu/sandbox/v2/chargePermissions/{$chargePermissionId}", textData: sbRequestBody, charset: "utf-8", contentType: "application/json", md5: false, gzip: false)
    if http.lastMethodSuccess == false {
        print("\(http.lastErrorText!)")
        return
    }

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

    // If the status code is not equal to 200, this will display error information.
    print("Response Body:")
    print("\(jResp.emit()!)")

    var respStatusCode: Int = resp!.statusCode.intValue
    print("Response Status Code = \(respStatusCode)")
    if respStatusCode != 200 {
        print("Failed.")
        resp = nil
        return
    }

    resp = nil

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

    // {
    //     "chargePermissionId": "chargePermission-1",
    //     "chargePermissionReferenceId": null,
    //     "buyer": {
    //         "buyerId": "buyerId",
    //         "name": "name-1",
    //         "email": "name@amazon.com",
    //         "phoneNumber": "800-000-0000",
    //         "primeMembershipTypes": null
    //     },
    //     "releaseEnvironment": "Live",
    //     "shippingAddress": {  // Null for PayOnly product type
    //         "name": "Work",
    //         "addressLine1": "440 Terry Ave",
    //         "addressLine2": "",
    //         "addressLine3": "",
    //         "city": "Seattle",
    //         "county": "King",
    //         "district": "Seattle",
    //         "stateOrRegion": "WA",
    //         "postalCode": "98121",
    //         "countryCode": "US",
    //         "phoneNumber": "800-000-0000"
    //     },
    //     "billingAddress": {  // Only available in EU or for PayOnly product type
    //         "name": "Work",
    //         "addressLine1": "440 Terry Ave",
    //         "addressLine2": "",
    //         "addressLine3": "",
    //         "city": "Seattle",
    //         "county": "King",
    //         "district": "Seattle",
    //         "stateOrRegion": "WA",
    //         "postalCode": "98121",
    //         "countryCode": "US",
    //         "phoneNumber": "800-000-0000"
    //     },
    //     "paymentPreferences": [
    //     {
    //         "paymentDescriptor": null
    //     }],
    //     "statusDetails": {
    //         "state": "Chargeable",
    //         "reasons": null,
    //         "lastUpdatedTimestamp": "20190714T155300Z"
    //     },
    //     "creationTimestamp": "20190714T155300Z",
    //     "expirationTimestamp": "20190715T155300Z",
    //     "merchantMetadata": {
    //         "merchantReferenceId": "123-77-876", 
    //         "merchantStoreName": "AmazonTestStoreFront",
    //         "noteToBuyer": "merchantNoteForBuyer",
    //         "customInformation": "This is custom information"  
    //     },
    //     "platformId": "SPId",
    //     "limits": {
    //         "amountLimit": {
    //             "amount": "14.00",
    //             "currencyCode": "USD"
    //         },
    //         "amountBalance": {
    //             "amount": "14.00",
    //             "currencyCode": "USD"
    //         }
    //     },
    //     "presentmentCurrency": "USD"
    // }

    // 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 paymentDescriptor: String?

    var chargePermissionId: String? = jResp.string(of: "chargePermissionId")
    var chargePermissionReferenceId: String? = jResp.string(of: "chargePermissionReferenceId")
    var buyerBuyerId: String? = jResp.string(of: "buyer.buyerId")
    var buyerName: String? = jResp.string(of: "buyer.name")
    var buyerEmail: String? = jResp.string(of: "buyer.email")
    var buyerPhoneNumber: String? = jResp.string(of: "buyer.phoneNumber")
    var buyerPrimeMembershipTypes: String? = jResp.string(of: "buyer.primeMembershipTypes")
    var releaseEnvironment: String? = jResp.string(of: "releaseEnvironment")
    var shippingAddressName: String? = jResp.string(of: "shippingAddress.name")
    var shippingAddressAddressLine1: String? = jResp.string(of: "shippingAddress.addressLine1")
    var shippingAddressAddressLine2: String? = jResp.string(of: "shippingAddress.addressLine2")
    var shippingAddressAddressLine3: String? = jResp.string(of: "shippingAddress.addressLine3")
    var shippingAddressCity: String? = jResp.string(of: "shippingAddress.city")
    var shippingAddressCounty: String? = jResp.string(of: "shippingAddress.county")
    var shippingAddressDistrict: String? = jResp.string(of: "shippingAddress.district")
    var shippingAddressStateOrRegion: String? = jResp.string(of: "shippingAddress.stateOrRegion")
    var shippingAddressPostalCode: String? = jResp.string(of: "shippingAddress.postalCode")
    var shippingAddressCountryCode: String? = jResp.string(of: "shippingAddress.countryCode")
    var shippingAddressPhoneNumber: String? = jResp.string(of: "shippingAddress.phoneNumber")
    var billingAddressName: String? = jResp.string(of: "billingAddress.name")
    var billingAddressAddressLine1: String? = jResp.string(of: "billingAddress.addressLine1")
    var billingAddressAddressLine2: String? = jResp.string(of: "billingAddress.addressLine2")
    var billingAddressAddressLine3: String? = jResp.string(of: "billingAddress.addressLine3")
    var billingAddressCity: String? = jResp.string(of: "billingAddress.city")
    var billingAddressCounty: String? = jResp.string(of: "billingAddress.county")
    var billingAddressDistrict: String? = jResp.string(of: "billingAddress.district")
    var billingAddressStateOrRegion: String? = jResp.string(of: "billingAddress.stateOrRegion")
    var billingAddressPostalCode: String? = jResp.string(of: "billingAddress.postalCode")
    var billingAddressCountryCode: String? = jResp.string(of: "billingAddress.countryCode")
    var billingAddressPhoneNumber: String? = jResp.string(of: "billingAddress.phoneNumber")
    var statusDetailsState: String? = jResp.string(of: "statusDetails.state")
    var statusDetailsReasons: String? = jResp.string(of: "statusDetails.reasons")
    var statusDetailsLastUpdatedTimestamp: String? = jResp.string(of: "statusDetails.lastUpdatedTimestamp")
    var creationTimestamp: String? = jResp.string(of: "creationTimestamp")
    var expirationTimestamp: String? = jResp.string(of: "expirationTimestamp")
    var merchantMetadataMerchantReferenceId: String? = jResp.string(of: "merchantMetadata.merchantReferenceId")
    var merchantMetadataMerchantStoreName: String? = jResp.string(of: "merchantMetadata.merchantStoreName")
    var merchantMetadataNoteToBuyer: String? = jResp.string(of: "merchantMetadata.noteToBuyer")
    var merchantMetadataCustomInformation: String? = jResp.string(of: "merchantMetadata.customInformation")
    var platformId: String? = jResp.string(of: "platformId")
    var limitsAmountLimitAmount: String? = jResp.string(of: "limits.amountLimit.amount")
    var limitsAmountLimitCurrencyCode: String? = jResp.string(of: "limits.amountLimit.currencyCode")
    var limitsAmountBalanceAmount: String? = jResp.string(of: "limits.amountBalance.amount")
    var limitsAmountBalanceCurrencyCode: String? = jResp.string(of: "limits.amountBalance.currencyCode")
    var presentmentCurrency: String? = jResp.string(of: "presentmentCurrency")
    var i: Int = 0
    var count_i: Int = jResp.size(ofArray: "paymentPreferences").intValue
    while i < count_i {
        jResp.i = i
        paymentDescriptor = jResp.string(of: "paymentPreferences[i].paymentDescriptor")
        i = i + 1
    }


}