New Adapter: Boldwin Rapid (prebid#4478)

Author: BoldwinDev

adapters/boldwin_rapid/boldwin_rapid.go

@@ -0,0 +1,172 @@
+package boldwin_rapid
+
+import (
+	"encoding/json"
+	"fmt"
+	"text/template"
+
+	"net/http"
+
+	"github.com/prebid/openrtb/v20/openrtb2"
+	"github.com/prebid/prebid-server/v3/adapters"
+	"github.com/prebid/prebid-server/v3/config"
+	"github.com/prebid/prebid-server/v3/macros"
+	"github.com/prebid/prebid-server/v3/openrtb_ext"
+	"github.com/prebid/prebid-server/v3/util/jsonutil"
+)
+
+type adapter struct {
+	endpoint *template.Template
+}
+
+func Builder(_ openrtb_ext.BidderName, config config.Adapter, _ config.Server) (adapters.Bidder, error) {
+	endpointTemplate, err := template.New("endpointTemplate").Parse(config.Endpoint)
+	if err != nil {
+		return nil, fmt.Errorf("unable to parse endpoint template: %v", err)
+	}
+
+	bidder := &adapter{
+		endpoint: endpointTemplate,
+	}
+
+	return bidder, nil
+}
+
+func (a *adapter) buildEndpointURL(boldwinExt openrtb_ext.ImpExtBoldwinRapid) (string, error) {
+	endpointParams := macros.EndpointTemplateParams{
+		PublisherID: boldwinExt.Pid,
+		PlacementID: boldwinExt.Tid,
+	}
+
+	return macros.ResolveMacros(a.endpoint, endpointParams)
+}
+
+func (a *adapter) MakeRequests(request *openrtb2.BidRequest, _ *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
+	var adapterRequests []*adapters.RequestData
+
+	reqCopy := *request
+	headers := a.getHeaders(request)
+
+	for _, imp := range request.Imp {
+		// Create a new request with just this impression
+		reqCopy.Imp = []openrtb2.Imp{imp}
+
+		var bidderExt adapters.ExtImpBidder
+		var boldwinExt openrtb_ext.ImpExtBoldwinRapid
+
+		// Use the current impression's Ext
+		if err := jsonutil.Unmarshal(imp.Ext, &bidderExt); err != nil {
+			return nil, []error{err}
+		}
+
+		if err := jsonutil.Unmarshal(bidderExt.Bidder, &boldwinExt); err != nil {
+			return nil, []error{err}
+		}
+
+		endpoint, err := a.buildEndpointURL(boldwinExt)
+		if err != nil {
+			return nil, []error{err}
+		}
+
+		adapterReq, err := a.makeRequest(&reqCopy, endpoint, headers)
+		if err != nil {
+			return nil, []error{err}
+		}
+
+		if adapterReq != nil {
+			adapterRequests = append(adapterRequests, adapterReq)
+		}
+	}
+
+	return adapterRequests, nil
+}
+
+func (a *adapter) 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")
+	headers.Add("Host", "rtb.beardfleet.com") // required header for the request
+
+	if request.Device != nil {
+		if request.Device.UA != "" {
+			headers.Add("User-Agent", request.Device.UA)
+		}
+
+		if len(request.Device.IPv6) > 0 {
+			headers.Set("X-Forwarded-For", request.Device.IPv6)
+		}
+
+		if len(request.Device.IP) > 0 {
+			headers.Set("X-Forwarded-For", request.Device.IP)
+			headers.Add("IP", request.Device.IP)
+		}
+	}
+
+	return headers
+}
+
+func (a *adapter) makeRequest(request *openrtb2.BidRequest, endpoint string, headers http.Header) (*adapters.RequestData, error) {
+	reqJSON, err := json.Marshal(request)
+	if err != nil {
+		return nil, fmt.Errorf("failed to marshal request: %w", err)
+	}
+
+	return &adapters.RequestData{
+		Method:  "POST",
+		Uri:     endpoint,
+		Body:    reqJSON,
+		Headers: headers,
+		ImpIDs:  openrtb_ext.GetImpIDs(request.Imp),
+	}, nil
+}
+
+func (a *adapter) MakeBids(request *openrtb2.BidRequest, _ *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
+	if adapters.IsResponseStatusCodeNoContent(responseData) {
+		return nil, nil
+	}
+
+	err := adapters.CheckResponseStatusCodeForErrors(responseData)
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	var response openrtb2.BidResponse
+	if err := jsonutil.Unmarshal(responseData.Body, &response); err != nil {
+		return nil, []error{err}
+	}
+
+	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
+	if response.Cur != "" {
+		bidResponse.Currency = response.Cur
+	}
+
+	for _, seatBid := range response.SeatBid {
+		for i := range seatBid.Bid {
+			bidType, err := getBidMediaType(&seatBid.Bid[i])
+			if err != nil {
+				return nil, []error{err}
+			}
+
+			b := &adapters.TypedBid{
+				Bid:     &seatBid.Bid[i],
+				BidType: bidType,
+			}
+			bidResponse.Bids = append(bidResponse.Bids, b)
+		}
+	}
+	return bidResponse, nil
+}
+
+func getBidMediaType(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("Unable to fetch mediaType in multi-format: %s", bid.ImpID)
+	}
+}