PureBasic HMRC VAT MTD: Retrieve VAT obligations

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Retrieve VAT obligations

Documentation: https://developer.service.hmrc.gov.uk/api-documentation/docs/api/service/vat-api/1.0#_retrieve-vat-obligations_get_accordion

CURL Command

curl -X GET  https://test-api.service.hmrc.gov.uk/organisations/vat/MY_HMRC_VRN/obligations?from=2018-06-25&to=2019-01-01 \
-H 'Authorization: Bearer HMRC_ACCESS_TOKEN' \
-H 'Accept: application/vnd.hmrc.1.0+json'

PureBasic Example

IncludeFile "CkJsonObject.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkRest.pb"

Procedure ChilkatExample()

    rest.i = CkRest::ckCreate()
    If rest.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success.i

    ;  URL: https://test-api.service.hmrc.gov.uk/organisations/vat/MY_HMRC_VRN/obligations?from=2018-06-25&to=2019-01-01
    bTls.i = 1
    port.i = 443
    bAutoReconnect.i = 1
    success = CkRest::ckConnect(rest,"test-api.service.hmrc.gov.uk",port,bTls,bAutoReconnect)
    If success <> 1
        Debug "ConnectFailReason: " + Str(CkRest::ckConnectFailReason(rest))
        Debug CkRest::ckLastErrorText(rest)
        CkRest::ckDispose(rest)
        ProcedureReturn
    EndIf

    CkRest::ckAddHeader(rest,"Authorization","Bearer HMRC_ACCESS_TOKEN")
    CkRest::ckAddHeader(rest,"Accept","application/vnd.hmrc.1.0+json")

    sbResponseBody.i = CkStringBuilder::ckCreate()
    If sbResponseBody.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkRest::ckFullRequestNoBodySb(rest,"GET","/organisations/vat/MY_HMRC_VRN/obligations?from=2018-06-25&to=2019-01-01",sbResponseBody)
    If success <> 1
        Debug CkRest::ckLastErrorText(rest)
        CkRest::ckDispose(rest)
        CkStringBuilder::ckDispose(sbResponseBody)
        ProcedureReturn
    EndIf

    respStatusCode.i = CkRest::ckResponseStatusCode(rest)
    If respStatusCode >= 400
        Debug "Response Status Code = " + Str(respStatusCode)
        Debug "Response Header:"
        Debug CkRest::ckResponseHeader(rest)
        Debug "Response Body:"
        Debug CkStringBuilder::ckGetAsString(sbResponseBody)
        CkRest::ckDispose(rest)
        CkStringBuilder::ckDispose(sbResponseBody)
        ProcedureReturn
    EndIf

    jsonResponse.i = CkJsonObject::ckCreate()
    If jsonResponse.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckLoadSb(jsonResponse,sbResponseBody)

    ;  See the Online Tool for Generating JSON Parse Code
    i.i
    count_i.i
    start.s
    end.s
    due.s
    status.s
    periodKey.s
    received.s

    i = 0
    count_i = CkJsonObject::ckSizeOfArray(jsonResponse,"obligations")
    While i < count_i
        CkJsonObject::setCkI(jsonResponse, i)
        start = CkJsonObject::ckStringOf(jsonResponse,"obligations[i].start")
        end = CkJsonObject::ckStringOf(jsonResponse,"obligations[i].end")
        due = CkJsonObject::ckStringOf(jsonResponse,"obligations[i].due")
        status = CkJsonObject::ckStringOf(jsonResponse,"obligations[i].status")
        periodKey = CkJsonObject::ckStringOf(jsonResponse,"obligations[i].periodKey")
        received = CkJsonObject::ckStringOf(jsonResponse,"obligations[i].received")
        i = i + 1
    Wend


    CkRest::ckDispose(rest)
    CkStringBuilder::ckDispose(sbResponseBody)
    CkJsonObject::ckDispose(jsonResponse)


    ProcedureReturn
EndProcedure

Sample JSON Response Body

{
  "obligations": [
    {
      "start": "2017-01-01",
      "end": "2017-03-31",
      "due": "2017-05-07",
      "status": "F",
      "periodKey": "18A1",
      "received": "2017-05-06"
    },
    {
      "start": "2017-04-01",
      "end": "2017-06-30",
      "due": "2017-08-07",
      "status": "O",
      "periodKey": "18A2"
    }
  ]
}