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smartyads.go
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smartyads.go
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package smartyads
import (
"encoding/json"
"fmt"
"net/http"
"strconv"
"text/template"
"github.com/prebid/openrtb/v20/openrtb2"
"github.com/prebid/prebid-server/v2/adapters"
"github.com/prebid/prebid-server/v2/config"
"github.com/prebid/prebid-server/v2/errortypes"
"github.com/prebid/prebid-server/v2/macros"
"github.com/prebid/prebid-server/v2/openrtb_ext"
)
type SmartyAdsAdapter struct {
endpoint *template.Template
}
// Builder builds a new instance of the SmartyAds adapter for the given bidder with the given config.
func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
template, err := template.New("endpointTemplate").Parse(config.Endpoint)
if err != nil {
return nil, fmt.Errorf("unable to parse endpoint url template: %v", err)
}
bidder := &SmartyAdsAdapter{
endpoint: template,
}
return bidder, nil
}
func GetHeaders(request *openrtb2.BidRequest) *http.Header {
headers := http.Header{}
headers.Add("Content-Type", "application/json;charset=utf-8")
headers.Add("Accept", "application/json")
headers.Add("X-Openrtb-Version", "2.5")
if request.Device != nil {
if len(request.Device.UA) > 0 {
headers.Add("User-Agent", request.Device.UA)
}
if len(request.Device.IPv6) > 0 {
headers.Add("X-Forwarded-For", request.Device.IPv6)
}
if len(request.Device.IP) > 0 {
headers.Add("X-Forwarded-For", request.Device.IP)
}
if len(request.Device.Language) > 0 {
headers.Add("Accept-Language", request.Device.Language)
}
if request.Device.DNT != nil {
headers.Add("Dnt", strconv.Itoa(int(*request.Device.DNT)))
}
}
return &headers
}
func (a *SmartyAdsAdapter) MakeRequests(
openRTBRequest *openrtb2.BidRequest,
reqInfo *adapters.ExtraRequestInfo,
) (
requestsToBidder []*adapters.RequestData,
errs []error,
) {
var errors []error
var smartyadsExt *openrtb_ext.ExtSmartyAds
var err error
for i, imp := range openRTBRequest.Imp {
smartyadsExt, err = a.getImpressionExt(&imp)
if err != nil {
errors = append(errors, err)
break
}
openRTBRequest.Imp[i].Ext = nil
}
if len(errors) > 0 {
return nil, errors
}
url, err := a.buildEndpointURL(smartyadsExt)
if err != nil {
return nil, []error{err}
}
reqJSON, err := json.Marshal(openRTBRequest)
if err != nil {
return nil, []error{err}
}
return []*adapters.RequestData{{
Method: http.MethodPost,
Body: reqJSON,
Uri: url,
Headers: *GetHeaders(openRTBRequest),
}}, nil
}
func (a *SmartyAdsAdapter) getImpressionExt(imp *openrtb2.Imp) (*openrtb_ext.ExtSmartyAds, error) {
var bidderExt adapters.ExtImpBidder
if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
return nil, &errortypes.BadInput{
Message: "ext.bidder not provided",
}
}
var smartyadsExt openrtb_ext.ExtSmartyAds
if err := json.Unmarshal(bidderExt.Bidder, &smartyadsExt); err != nil {
return nil, &errortypes.BadInput{
Message: "ext.bidder not provided",
}
}
return &smartyadsExt, nil
}
func (a *SmartyAdsAdapter) buildEndpointURL(params *openrtb_ext.ExtSmartyAds) (string, error) {
endpointParams := macros.EndpointTemplateParams{Host: params.Host, SourceId: params.SourceID, AccountID: params.AccountID}
return macros.ResolveMacros(a.endpoint, endpointParams)
}
func (a *SmartyAdsAdapter) CheckResponseStatusCodes(response *adapters.ResponseData) error {
if response.StatusCode == http.StatusNoContent {
return &errortypes.BadInput{Message: "No bid response"}
}
if response.StatusCode == http.StatusBadRequest {
return &errortypes.BadInput{
Message: fmt.Sprintf("Unexpected status code: [ %d ]", response.StatusCode),
}
}
if response.StatusCode == http.StatusServiceUnavailable {
return &errortypes.BadInput{
Message: fmt.Sprintf("Something went wrong, please contact your Account Manager. Status Code: [ %d ] ", response.StatusCode),
}
}
if response.StatusCode < http.StatusOK || response.StatusCode >= http.StatusMultipleChoices {
return &errortypes.BadInput{
Message: fmt.Sprintf("Something went wrong, please contact your Account Manager. Status Code: [ %d ] ", response.StatusCode),
}
}
return nil
}
func (a *SmartyAdsAdapter) MakeBids(
openRTBRequest *openrtb2.BidRequest,
requestToBidder *adapters.RequestData,
bidderRawResponse *adapters.ResponseData,
) (
bidderResponse *adapters.BidderResponse,
errs []error,
) {
httpStatusError := a.CheckResponseStatusCodes(bidderRawResponse)
if httpStatusError != nil {
return nil, []error{httpStatusError}
}
responseBody := bidderRawResponse.Body
var bidResp openrtb2.BidResponse
if err := json.Unmarshal(responseBody, &bidResp); err != nil {
return nil, []error{&errortypes.BadServerResponse{
Message: "Bad Server Response",
}}
}
if len(bidResp.SeatBid) == 0 {
return nil, []error{&errortypes.BadServerResponse{
Message: "Empty SeatBid array",
}}
}
bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(bidResp.SeatBid[0].Bid))
sb := bidResp.SeatBid[0]
for _, bid := range sb.Bid {
bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
Bid: &bid,
BidType: getMediaTypeForImp(bid.ImpID, openRTBRequest.Imp),
})
}
return bidResponse, nil
}
func getMediaTypeForImp(impId string, imps []openrtb2.Imp) openrtb_ext.BidType {
mediaType := openrtb_ext.BidTypeBanner
for _, imp := range imps {
if imp.ID == impId {
if imp.Video != nil {
mediaType = openrtb_ext.BidTypeVideo
} else if imp.Native != nil {
mediaType = openrtb_ext.BidTypeNative
}
return mediaType
}
}
return mediaType
}