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Xbase++

PayPal Search for Invoices

See more PayPal Examples

Search PayPal invoices.

See also SearchInvoices

Chilkat Xbase++ Downloads

Xbase++
LOCAL nSuccess
LOCAL oJsonToken
LOCAL oSbAuth
LOCAL oRest
LOCAL nBAutoReconnect
LOCAL oJson
LOCAL oSbRequestBody
LOCAL oSbResponseBody
LOCAL oJsonResponse
LOCAL nNumInvoices
LOCAL i
LOCAL j
LOCAL nNumBillingInfo
LOCAL nNumLinks

nSuccess := 0

//  Note: Requires Chilkat v9.5.0.64 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)
oJsonToken := CreateObject("Chilkat.JsonObject")
oJsonToken:LoadFile("qa_data/tokens/paypal.json")

//  Build the Authorization request header field value.
oSbAuth := CreateObject("Chilkat.StringBuilder")
//  token_type should be "Bearer"
oSbAuth:Append(oJsonToken:StringOf("token_type"))
oSbAuth:Append(" ")
oSbAuth:Append(oJsonToken:StringOf("access_token"))

//  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.
oRest := CreateObject("Chilkat.Rest")
nBAutoReconnect := 1
nSuccess := oRest:Connect("api.sandbox.paypal.com", 443, 1, nBAutoReconnect)
IF (nSuccess != 1)
    ? oRest:LastErrorText
    oJsonToken:destroy()
    oSbAuth:destroy()
    oRest:destroy()
    RETURN
ENDIF

//  ----------------------------------------------------------------------------------------------
//  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..
//  ----------------------------------------------------------------------------------------------

//  Create JSON to specify the search
oJson := CreateObject("Chilkat.JsonObject")
oJson:EmitCompact := 0
oJson:AppendString("start_invoice_date", "2016-01-01 PST")
oJson:AppendString("end_invoice_date", "2016-11-16 PST")
oJson:AppendInt("page", 0)
oJson:AppendInt("page_size", 10)
oJson:AppendBool("total_count_required", 1)

? oJson:Emit()

//  The JSON by the above code:

//  	{
//  	  "start_invoice_date": "2016-01-01 PST",
//  	  "end_invoice_date": "2016-11-16 PST",
//  	  "page": 0,
//  	  "page_size": 10,
//  	  "total_count_required": true
//  	}

//  Send the POST equivalent to this CURL command:

//  	curl -v -X POST https://api.sandbox.paypal.com/v1/invoicing/search/ \
//  	-H "Content-Type:application/json" \
//  	-H "Authorization: Bearer Access-Token" \
//  	-d '{ invoice JSON goes here }'

oJson:EmitCompact := 1
oSbRequestBody := CreateObject("Chilkat.StringBuilder")
oSbResponseBody := CreateObject("Chilkat.StringBuilder")

oRest:AddHeader("Content-Type", "application/json")
oRest:AddHeader("Authorization", oSbAuth:GetAsString())
oJson:EmitSb(oSbRequestBody)

nSuccess := oRest:FullRequestSb("POST", "/v1/invoicing/search", oSbRequestBody, oSbResponseBody)
IF (nSuccess != 1)
    ? oRest:LastErrorText
    oJsonToken:destroy()
    oSbAuth:destroy()
    oRest:destroy()
    oJson:destroy()
    oSbRequestBody:destroy()
    oSbResponseBody:destroy()
    RETURN
ENDIF

//  We should have some sort of JSON response.  It could be successful, or an error.
oJsonResponse := CreateObject("Chilkat.JsonObject")
oJsonResponse:EmitCompact := 0
oJsonResponse:LoadSb(oSbResponseBody)

? "Response Status Code = " + Str(oRest:ResponseStatusCode)

//  Did we get a 200 success response?
IF (oRest:ResponseStatusCode != 200)
    //  Show the JSON response body
    ? oJsonResponse:Emit()
    ? "Failed."
    oJsonToken:destroy()
    oSbAuth:destroy()
    oRest:destroy()
    oJson:destroy()
    oSbRequestBody:destroy()
    oSbResponseBody:destroy()
    oJsonResponse:destroy()
    RETURN
ENDIF

//  Sample response JSON is shown below.

//  Iterate over each invoice and get some information from each..
nNumInvoices := oJsonResponse:SizeOfArray("invoices")
i := 0
DO WHILE i < nNumInvoices
    oJsonResponse:I := i
    ? "Invoice ID: " + oJsonResponse:StringOf("invoices[i].id")
    ? "Shipping First Name: " + oJsonResponse:StringOf("invoices[i].shipping_info.first_name")
    j := 0
    nNumBillingInfo := oJsonResponse:SizeOfArray("invoices[i].billing_info")
    DO WHILE j < nNumBillingInfo
        oJsonResponse:J := j
        ? "billing_info email: " + oJsonResponse:StringOf("invoices[i].billing_info[j].email")
        j := j + 1
    ENDDO
    nNumLinks := oJsonResponse:SizeOfArray("invoices[i].links")
    j := 0
    DO WHILE j < nNumLinks
        oJsonResponse:J := j
        ? "link: " + oJsonResponse:StringOf("invoices[i].links[j].href")
        j := j + 1
    ENDDO
    ? "----"
    i := i + 1
ENDDO

? "Success."

//  A successful response looks like this:

//  { 
//    "total_count": 2,
//    "invoices": [
//      { 
//        "id": "INV2-XV4B-736P-PLVN-SZCE",
//        "number": "0002",
//        "status": "DRAFT",
//        "merchant_info": { 
//          "email": "smith-facilitator@chilkatsoft.com"
//        },
//        "billing_info": [
//          { 
//            "email": "smith-buyer@chilkatsoft.com"
//          }
//        ],
//        "shipping_info": { 
//          "email": "smith-buyer@chilkatsoft.com",
//          "first_name": "Sally",
//          "last_name": "Patient",
//          "business_name": "Not applicable"
//        },
//        "invoice_date": "2016-11-15 PST",
//        "payment_term": { 
//          "due_date": "2016-12-30 PST"
//        },
//        "note": "Medical Invoice 16 Jul, 2013 PST",
//        "total_amount": { 
//          "currency": "USD",
//          "value": "500.00"
//        },
//        "metadata": { 
//          "created_date": "2016-11-15 08:09:21 PST"
//        },
//        "paid_amount": { 
//          "paypal": { 
//            "currency": "USD",
//            "value": "0.00"
//          },
//          "other": { 
//            "currency": "USD",
//            "value": "0.00"
//          }
//        },
//        "refunded_amount": { 
//          "paypal": { 
//            "currency": "USD",
//            "value": "0.00"
//          },
//          "other": { 
//            "currency": "USD",
//            "value": "0.00"
//          }
//        },
//        "links": [
//          { 
//            "rel": "self",
//            "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE",
//            "method": "GET"
//          },
//          { 
//            "rel": "send",
//            "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE/send",
//            "method": "POST"
//          },
//          { 
//            "rel": "update",
//            "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE/update",
//            "method": "PUT"
//          },
//          { 
//            "rel": "delete",
//            "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE",
//            "method": "DELETE"
//          }
//        ]
//      },
//      { 
//        "id": "INV2-ZG2H-HKAW-PMWU-N6ZR",
//        "number": "0001",
//        "status": "SENT",
//        "merchant_info": { 
//          "email": "smith-facilitator@chilkatsoft.com"
//        },
//        "billing_info": [
//          { 
//            "email": "smith-buyer@chilkatsoft.com"
//          }
//        ],
//        "shipping_info": { 
//          "email": "smith-buyer@chilkatsoft.com",
//          "first_name": "Sally",
//          "last_name": "Patient",
//          "business_name": "Not applicable"
//        },
//        "invoice_date": "2016-11-15 PST",
//        "payment_term": { 
//          "due_date": "2016-12-30 PST"
//        },
//        "note": "Medical Invoice 16 Jul, 2013 PST",
//        "total_amount": { 
//          "currency": "USD",
//          "value": "500.00"
//        },
//        "metadata": { 
//          "created_date": "2016-11-15 06:17:03 PST",
//          "payer_view_url": "https://www.sandbox.paypal.com/cgi_bin/webscr?cmd=_pay-inv&viewtype=altview&id=INV2-ZG2H-HKAW-PMWU-N6ZR"
//        },
//        "paid_amount": { 
//          "paypal": { 
//            "currency": "USD",
//            "value": "0.00"
//          },
//          "other": { 
//            "currency": "USD",
//            "value": "0.00"
//          }
//        },
//        "refunded_amount": { 
//          "paypal": { 
//            "currency": "USD",
//            "value": "0.00"
//          },
//          "other": { 
//            "currency": "USD",
//            "value": "0.00"
//          }
//        },
//        "links": [
//          { 
//            "rel": "self",
//            "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR",
//            "method": "GET"
//          },
//          { 
//            "rel": "update",
//            "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/update",
//            "method": "PUT"
//          },
//          { 
//            "rel": "cancel",
//            "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/remind",
//            "method": "POST"
//          },
//          { 
//            "rel": "remind",
//            "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/cancel",
//            "method": "POST"
//          },
//          { 
//            "rel": "record-payment",
//            "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/record-payment",
//            "method": "POST"
//          },
//          { 
//            "rel": "qr-code",
//            "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/qr-code",
//            "method": "GET"
//          }
//        ]
//      }
//    ]
//  }
//

oJsonToken:destroy()
oSbAuth:destroy()
oRest:destroy()
oJson:destroy()
oSbRequestBody:destroy()
oSbResponseBody:destroy()
oJsonResponse:destroy()