Chilkat Examples

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(VB.NET UWP/WinRT) 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 Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

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

Dim http As New Chilkat.Http
Dim success As Boolean

' 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": ""    
'      }  
' }

Dim json As New Chilkat.JsonObject
json.UpdateString("merchantMetadata.merchantReferenceId","32-41-323141-32")
json.UpdateString("merchantMetadata.merchantStoreName","AmazonTestStoreFront")
json.UpdateString("merchantMetadata.noteToBuyer","Some Note to buyer")
json.UpdateString("merchantMetadata.customInformation","")


Dim sbRequestBody As New Chilkat.StringBuilder
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.
Dim privKey As New Chilkat.PrivateKey
success = privKey.LoadPemFile("C:/someDir/myAmazonPayPrivateKey.pem")
If (success = False) Then
    Debug.WriteLine(privKey.LastErrorText)
    Exit Sub
End If



' 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
Dim publicKeyId As String = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW"
success = http.SetAuthPrivateKey(publicKeyId,privKey)
If (success = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


' 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","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
Dim resp As Chilkat.HttpResponse = Await http.PTextSbAsync("PATCH","https://pay-api.amazon.eu/sandbox/v2/chargePermissions/{$chargePermissionId}",sbRequestBody,"utf-8","application/json",False,False)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim sbResponseBody As New Chilkat.StringBuilder
resp.GetBodySb(sbResponseBody)
Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

' If the status code is not equal to 200, this will display error information.
Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode <> 200) Then
    Debug.WriteLine("Failed.")

    Exit Sub
End If



' 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



Dim paymentDescriptor As String

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

 

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