PureBasic

Amazon SP-API Sellers Get Marketplace Participations

See more Amazon SP-API Examples

Demonstrates Amazon SP-API Sellers API -- get marketplace participations. PureBasic

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

Procedure ChilkatExample()

    success.i = 0

    ; 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

    bTls.i = 1
    port.i = 443
    bAutoReconnect.i = 1
    ; Make sure to use the correct domain.
    ; In this example, we are using "sandbox.sellingpartnerapi-eu.amazon.com"
    success = CkRest::ckConnect(rest,"sandbox.sellingpartnerapi-eu.amazon.com",port,bTls,bAutoReconnect)
    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)

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

    uri.s = "/sellers/v1/marketplaceParticipations"
    success = CkRest::ckFullRequestNoBodySb(rest,"GET",uri,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:

    ; {
    ;   "payload": [
    ;     {
    ;       "marketplace": {
    ;         "id": "ATVPDKIKX0DER",
    ;         "countryCode": "US",
    ;         "name": "Amazon.com",
    ;         "defaultCurrencyCode": "USD",
    ;         "defaultLanguageCode": "en_US",
    ;         "domainName": "www.amazon.com"
    ;       },
    ;       "participation": {
    ;         "isParticipating": true,
    ;         "hasSuspendedListings": false
    ;       }
    ;     }
    ;   ]
    ; }

    ; 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)

    Id.s
    CountryCode.s
    Name.s
    DefaultCurrencyCode.s
    DefaultLanguageCode.s
    DomainName.s
    IsParticipating.i
    HasSuspendedListings.i

    i.i = 0
    count_i.i = CkJsonObject::ckSizeOfArray(json,"payload")
    While i < count_i
        CkJsonObject::setCkI(json, i)
        Id = CkJsonObject::ckStringOf(json,"payload[i].marketplace.id")
        CountryCode = CkJsonObject::ckStringOf(json,"payload[i].marketplace.countryCode")
        Name = CkJsonObject::ckStringOf(json,"payload[i].marketplace.name")
        DefaultCurrencyCode = CkJsonObject::ckStringOf(json,"payload[i].marketplace.defaultCurrencyCode")
        DefaultLanguageCode = CkJsonObject::ckStringOf(json,"payload[i].marketplace.defaultLanguageCode")
        DomainName = CkJsonObject::ckStringOf(json,"payload[i].marketplace.domainName")
        IsParticipating = CkJsonObject::ckBoolOf(json,"payload[i].participation.isParticipating")
        HasSuspendedListings = CkJsonObject::ckBoolOf(json,"payload[i].participation.hasSuspendedListings")
        i = i + 1
    Wend

    Debug "Success!"


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


    ProcedureReturn
EndProcedure