New adapter: BoldwinX

adapters/bwx/bwx.go

@@ -0,0 +1,158 @@
+package bwx
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"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 bidType struct {
+	Type string `json:"type"`
+}
+
+type bidExt struct {
+	Prebid bidType `json:"prebid"`
+}
+
+type adapter struct {
+	endpoint *template.Template
+}
+
+func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
+	tmpl, err := template.New("endpointTemplate").Parse(config.Endpoint)
+	if err != nil {
+		return nil, fmt.Errorf("unable to parse endpoint URL template: %v", err)
+	}
+
+	bidder := &adapter{
+		endpoint: tmpl,
+	}
+
+	return bidder, nil
+}
+
+func (a *adapter) buildEndpointFromRequest(imp *openrtb2.Imp) (string, error) {
+	var impExt adapters.ExtImpBidder
+	if err := json.Unmarshal(imp.Ext, &impExt); err != nil {
+		return "", &errortypes.BadInput{
+			Message: fmt.Sprintf("Failed to deserialize bidder impression extension: %v", err),
+		}
+	}
+
+	var boldwinxExt openrtb_ext.ExtBWX
+	if err := json.Unmarshal(impExt.Bidder, &boldwinxExt); err != nil {
+		return "", &errortypes.BadInput{
+			Message: fmt.Sprintf("Failed to deserialize BoldwinX extension: %v", err),
+		}
+	}
+
+	endpointParams := macros.EndpointTemplateParams{
+		Host:     boldwinxExt.Env,
+		SourceId: boldwinxExt.Pid,
+	}
+
+	return macros.ResolveMacros(a.endpoint, endpointParams)
+}
+
+func (a *adapter) MakeRequests(request *openrtb2.BidRequest, requestInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
+	var requests []*adapters.RequestData
+	var errs []error
+
+	headers := http.Header{}
+	headers.Add("Content-Type", "application/json;charset=utf-8")
+	headers.Add("Accept", "application/json")
+
+	requestCopy := *request
+	for _, imp := range request.Imp {
+		requestCopy.Imp = []openrtb2.Imp{imp}
+
+		endpoint, err := a.buildEndpointFromRequest(&imp)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+
+		requestJSON, err := json.Marshal(requestCopy)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+
+		request := &adapters.RequestData{
+			Method:  http.MethodPost,
+			Body:    requestJSON,
+			Uri:     endpoint,
+			Headers: headers,
+		}
+
+		requests = append(requests, request)
+	}
+
+	return requests, errs
+}
+
+func (a *adapter) MakeBids(openRTBRequest *openrtb2.BidRequest, requestToBidder *adapters.RequestData, bidderRawResponse *adapters.ResponseData) (*adapters.BidderResponse, []error) {
+	if adapters.IsResponseStatusCodeNoContent(bidderRawResponse) {
+		return nil, nil
+	}
+
+	if err := adapters.CheckResponseStatusCodeForErrors(bidderRawResponse); err != nil {
+		return nil, []error{err}
+	}
+
+	var bidResp openrtb2.BidResponse
+	if err := json.Unmarshal(bidderRawResponse.Body, &bidResp); err != nil {
+		return nil, []error{err}
+	}
+
+	if len(bidResp.SeatBid) == 0 {
+		return nil, []error{&errortypes.BadServerResponse{
+			Message: "Array SeatBid cannot be empty",
+		}}
+	}
+
+	return prepareBidResponse(bidResp.SeatBid)
+}
+
+func prepareBidResponse(seats []openrtb2.SeatBid) (*adapters.BidderResponse, []error) {
+	errs := []error{}
+	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(seats))
+
+	for _, seatBid := range seats {
+		for idx, bid := range seatBid.Bid {
+			bidType, err := getMediaTypeForBid(bid)
+			if err != nil {
+				errs = append(errs, err)
+				continue
+			}
+
+			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
+				Bid:     &seatBid.Bid[idx],
+				BidType: bidType,
+			})
+		}
+	}
+
+	return bidResponse, errs
+}
+
+func getMediaTypeForBid(bid openrtb2.Bid) (openrtb_ext.BidType, error) {
+	switch bid.MType {
+	case openrtb2.MarkupBanner:
+		return openrtb_ext.BidTypeBanner, nil
+	case openrtb2.MarkupVideo:
+		return openrtb_ext.BidTypeVideo, nil
+	case openrtb2.MarkupNative:
+		return openrtb_ext.BidTypeNative, nil
+	default:
+		return "", fmt.Errorf("failed to parse bid mtype (%d) for impression id \"%s\"", bid.MType, bid.ImpID)
+	}
+}