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(DataFlex) PayPal - Find CapturesFinds captures for previous authorizations. (A capture is when the funds from an authorization are captured. There can be more than one capture, where the sum adds to the full authorization amount or an amount lower than the authorized amount.) Note: This example requires Chilkat v9.5.0.65 or greater.
Use ChilkatAx-win32.pkg Procedure Test Handle hoJsonToken Boolean iSuccess Handle hoSbAuth Handle hoRest Boolean iBAutoReconnect Boolean iSuccess Variant vSbJsonResponse Handle hoSbJsonResponse Handle hoJson Variant vSbTemp Handle hoSbTemp Integer iNumPayments Integer i Integer j Integer iNumTransactions Integer iNumRelatedResources Integer k Variant vJsonCapture Handle hoJsonCapture String sTemp1 Integer iTemp1 Boolean bTemp1 // Note: Requires Chilkat v9.5.0.65 or greater. // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Load our previously obtained access token. (see PayPal OAuth2 Access Token) Get Create (RefClass(cComChilkatJsonObject)) To hoJsonToken If (Not(IsComObjectCreated(hoJsonToken))) Begin Send CreateComObject of hoJsonToken End Get ComLoadFile Of hoJsonToken "qa_data/tokens/paypal.json" To iSuccess // Build the Authorization request header field value. Get Create (RefClass(cComChilkatStringBuilder)) To hoSbAuth If (Not(IsComObjectCreated(hoSbAuth))) Begin Send CreateComObject of hoSbAuth End // token_type should be "Bearer" Get ComStringOf Of hoJsonToken "token_type" To sTemp1 Get ComAppend Of hoSbAuth sTemp1 To iSuccess Get ComAppend Of hoSbAuth " " To iSuccess Get ComStringOf Of hoJsonToken "access_token" To sTemp1 Get ComAppend Of hoSbAuth sTemp1 To iSuccess // Make the initial connection. // A single REST object, once connected, can be used for many PayPal REST API calls. // The auto-reconnect indicates that if the already-established HTTPS connection is closed, // then it will be automatically re-established as needed. Get Create (RefClass(cComChilkatRest)) To hoRest If (Not(IsComObjectCreated(hoRest))) Begin Send CreateComObject of hoRest End Move True To iBAutoReconnect Get ComConnect Of hoRest "api.sandbox.paypal.com" 443 True iBAutoReconnect To iSuccess If (iSuccess <> True) Begin Get ComLastErrorText Of hoRest To sTemp1 Showln sTemp1 Procedure_Return End // ---------------------------------------------------------------------------------------------- // The code above this comment could be placed inside a function/subroutine within the application // because the connection does not need to be made for every request. Once the connection is made // the app may send many requests.. // ---------------------------------------------------------------------------------------------- // Clear the REST object of any headers or query params from previous requests. Get ComClearAllHeaders Of hoRest To iSuccess Get ComClearAllQueryParams Of hoRest To iSuccess Get ComGetAsString Of hoSbAuth To sTemp1 Get ComAddHeader Of hoRest "Authorization" sTemp1 To iSuccess // To find captured payments, we list payments and look for those // containing a "capture" resource. Get ComAddQueryParam Of hoRest "count" "100" To iSuccess Get ComAddQueryParam Of hoRest "start_index" "0" To iSuccess Get ComAddQueryParam Of hoRest "sort_by" "update_time" To iSuccess Get ComAddQueryParam Of hoRest "sort_order" "asc" To iSuccess // Send the GET request and get the JSON response. Get Create (RefClass(cComChilkatStringBuilder)) To hoSbJsonResponse If (Not(IsComObjectCreated(hoSbJsonResponse))) Begin Send CreateComObject of hoSbJsonResponse End Get pvComObject of hoSbJsonResponse to vSbJsonResponse Get ComFullRequestNoBodySb Of hoRest "GET" "/v1/payments/payment" vSbJsonResponse To iSuccess If (iSuccess <> True) Begin Get ComLastErrorText Of hoRest To sTemp1 Showln sTemp1 Procedure_Return End Get Create (RefClass(cComChilkatJsonObject)) To hoJson If (Not(IsComObjectCreated(hoJson))) Begin Send CreateComObject of hoJson End Set ComEmitCompact Of hoJson To False Get pvComObject of hoSbJsonResponse to vSbJsonResponse Get ComLoadSb Of hoJson vSbJsonResponse To iSuccess // (optional) Save the entire JSON response to a file to examine if desired.. Get Create (RefClass(cComChilkatStringBuilder)) To hoSbTemp If (Not(IsComObjectCreated(hoSbTemp))) Begin Send CreateComObject of hoSbTemp End Get pvComObject of hoSbTemp to vSbTemp Get ComEmitSb Of hoJson vSbTemp To iSuccess Get ComWriteFile Of hoSbTemp "qa_output/paypal_payments.json" "utf-8" False To iSuccess Get ComResponseStatusCode Of hoRest To iTemp1 Showln "Response Status Code = " iTemp1 // Did we get a 200 success response? Get ComResponseStatusCode Of hoRest To iTemp1 If (iTemp1 <> 200) Begin Get ComEmit Of hoJson To sTemp1 Showln sTemp1 Showln "Failed." Procedure_Return End // We are looking for "capture" resources . // As shown below, we are looking in the "transactions" for "related_resources" // containing "capture" JSON objects. // { // "payments": [ // { // "id": "PAY-2CY489250W145633HLA3DK3Y", // "create_time": "2016-11-24T00:33:51Z", // "update_time": "2016-11-24T00:40:54Z", // "state": "approved", // "intent": "authorize", // "payer": { // "payment_method": "credit_card", // "funding_instruments": [ // { // ... // } // ] // }, // "transactions": [ // { // "amount": { // ... // }, // "description": "This is the payment transaction description.", // "related_resources": [ // { // "authorization": { // ... // } // }, // { // "capture": { // "id": "1LY5310469661362J", // "create_time": "2016-11-24T00:40:50Z", // "update_time": "2016-11-24T00:40:54Z", // "amount": { // "total": "4.54", // "currency": "USD" // }, // "state": "completed", // "parent_payment": "PAY-2CY489250W145633HLA3DK3Y", // "transaction_fee": { // "value": "0.43", // "currency": "USD" // }, // ... // // Iterate over the payments and show each capture Get ComSizeOfArray Of hoJson "payments" To iNumPayments Move 0 To i While (i < iNumPayments) Set ComI Of hoJson To i Move 0 To j Get ComSizeOfArray Of hoJson "payments[i].transactions" To iNumTransactions While (j < iNumTransactions) Set ComJ Of hoJson To j Get ComSizeOfArray Of hoJson "payments[i].transactions[j].related_resources" To iNumRelatedResources Move 0 To k While (k < iNumRelatedResources) Set ComK Of hoJson To k Get ComHasMember Of hoJson "payments[i].transactions[j].related_resources[k].capture" To bTemp1 If (bTemp1 = True) Begin Get ComObjectOf Of hoJson "payments[i].transactions[j].related_resources[k].capture" To vJsonCapture If (IsComObject(vJsonCapture)) Begin Get Create (RefClass(cComChilkatJsonObject)) To hoJsonCapture Set pvComObject Of hoJsonCapture To vJsonCapture End Get ComStringOf Of hoJsonCapture "id" To sTemp1 Showln "capture id: " sTemp1 Get ComStringOf Of hoJsonCapture "state" To sTemp1 Showln "state: " sTemp1 Get ComStringOf Of hoJsonCapture "amount.total" To sTemp1 Showln "total: " sTemp1 Showln "----" Send Destroy of hoJsonCapture End Move (k + 1) To k Loop Move (j + 1) To j Loop Move (i + 1) To i Loop Showln "success" End_Procedure |
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