(PureBasic) Amazon SP-API Get Feeds

See more Amazon SP-API Examples

Returns feed details for the feeds that match the filters that you specify.

For more information, see https://developer-docs.amazon.com/sp-api/docs/feeds-api-v2021-06-30-reference#get-feeds2021-06-30feeds

Chilkat PureBasic Module Download Chilkat PureBasic Module

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

Procedure ChilkatExample()

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

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

    CkAuthAws::setCkAccessKey(authAws, "AWS_ACCESS_KEY")
    CkAuthAws::setCkSecretKey(authAws, "AWS_SECRET_KEY")
    CkAuthAws::setCkServiceName(authAws, "execute-api")
    ; Use the region that is correct for your needs.
    CkAuthAws::setCkRegion(authAws, "eu-west-1")

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

    success.i = CkRest::ckConnect(rest,"sandbox.sellingpartnerapi-eu.amazon.com",443,1,1)
    If success = 0
        Debug CkRest::ckLastErrorText(rest)
        CkAuthAws::ckDispose(authAws)
        CkRest::ckDispose(rest)
        ProcedureReturn
    EndIf

    success = CkRest::ckSetAuthAws(rest,authAws)

    ; Load the previously obtained LWA access token.
    ; See Fetch SP-API LWA Access Token
    jsonToken.i = CkJsonObject::ckCreate()
    If jsonToken.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkJsonObject::ckLoadFile(jsonToken,"qa_data/tokens/sp_api_lwa_token.json")
    If success = 0
        Debug "Failed to load LWA access token."
        CkAuthAws::ckDispose(authAws)
        CkRest::ckDispose(rest)
        CkJsonObject::ckDispose(jsonToken)
        ProcedureReturn
    EndIf

    ; Add the x-amz-access-token request header.
    lwa_token.s = CkJsonObject::ckStringOf(jsonToken,"access_token")

    CkRest::ckClearAllHeaders(rest)
    CkRest::ckAddHeader(rest,"x-amz-access-token",lwa_token)

    CkRest::ckClearAllQueryParams(rest)
    CkRest::ckAddQueryParam(rest,"feedTypes","POST_PRODUCT_DATA")
    CkRest::ckAddQueryParam(rest,"pageSize","10")
    CkRest::ckAddQueryParam(rest,"processingStatuses","CANCELLED,DONE")

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

    path.s = "/feeds/2021-06-30/feeds"
    success = CkRest::ckFullRequestNoBodySb(rest,"GET",path,sbResponse)
    If success = 0
        Debug CkRest::ckLastErrorText(rest)
        CkAuthAws::ckDispose(authAws)
        CkRest::ckDispose(rest)
        CkJsonObject::ckDispose(jsonToken)
        CkStringBuilder::ckDispose(sbResponse)
        ProcedureReturn
    EndIf

    ; Examine the response status.
    statusCode.i = CkRest::ckResponseStatusCode(rest)
    If statusCode <> 200
        Debug "Response status text: " + CkRest::ckResponseStatusText(rest)
        Debug "Response body: "
        Debug CkStringBuilder::ckGetAsString(sbResponse)
        Debug "Failed."
        CkAuthAws::ckDispose(authAws)
        CkRest::ckDispose(rest)
        CkJsonObject::ckDispose(jsonToken)
        CkStringBuilder::ckDispose(sbResponse)
        ProcedureReturn
    EndIf

    Debug CkStringBuilder::ckGetAsString(sbResponse)

    ; If successful, gets a JSON response such as the following:

    ; {
    ;   "feeds": [
    ;     {
    ;       "feedId": "FeedId1",
    ;       "feedType": "POST_PRODUCT_DATA",
    ;       "createdTime": "2019-12-11T13:16:24.630Z",
    ;       "processingStatus": "CANCELLED",
    ;       "processingStartTime": "2019-12-11T13:16:24.630Z",
    ;       "processingEndTime": "2019-12-11T13:16:24.630Z"
    ;     }
    ;   ],
    ;   "nextToken": "VGhpcyB0b2tlbiBpcyBvcGFxdWUgYW5kIGludGVudGlvbmFsbHkgb2JmdXNjYXRlZA=="
    ; }

    ; Use this online tool to generate parsing code from sample JSON: 
    ; Generate Parsing Code from JSON

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

    CkJsonObject::ckLoadSb(json,sbResponse)

    feedId.s
    feedType.s
    createdTime.s
    processingStatus.s
    processingStartTime.s
    processingEndTime.s

    nextToken.s = CkJsonObject::ckStringOf(json,"nextToken")
    i.i = 0
    count_i.i = CkJsonObject::ckSizeOfArray(json,"feeds")
    While i < count_i
        CkJsonObject::setCkI(json, i)
        feedId = CkJsonObject::ckStringOf(json,"feeds[i].feedId")
        feedType = CkJsonObject::ckStringOf(json,"feeds[i].feedType")
        createdTime = CkJsonObject::ckStringOf(json,"feeds[i].createdTime")
        processingStatus = CkJsonObject::ckStringOf(json,"feeds[i].processingStatus")
        processingStartTime = CkJsonObject::ckStringOf(json,"feeds[i].processingStartTime")
        processingEndTime = CkJsonObject::ckStringOf(json,"feeds[i].processingEndTime")
        i = i + 1
    Wend

    Debug "Success!"


    CkAuthAws::ckDispose(authAws)
    CkRest::ckDispose(rest)
    CkJsonObject::ckDispose(jsonToken)
    CkStringBuilder::ckDispose(sbResponse)
    CkJsonObject::ckDispose(json)


    ProcedureReturn
EndProcedure