Revert "Remove Adapter: Define Media" (prebid#3242)

adapters/definemedia/definemedia.go

@@ -0,0 +1,109 @@
+package definemedia
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"github.com/prebid/openrtb/v19/openrtb2"
+	"github.com/prebid/prebid-server/adapters"
+	"github.com/prebid/prebid-server/config"
+	"github.com/prebid/prebid-server/errortypes"
+	"github.com/prebid/prebid-server/openrtb_ext"
+)
+
+type adapter struct {
+	endpoint string
+}
+
+// Builder builds a new instance of the Foo adapter for the given bidder with the given config.
+func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
+	bidder := &adapter{
+		endpoint: config.Endpoint,
+	}
+	return bidder, nil
+}
+
+// MakeRequests makes the HTTP requests which should be made to fetch bids.
+func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
+	var errors []error
+	requestJSON, err := json.Marshal(request)
+	if err != nil {
+		errors = append(errors, err)
+		return nil, errors
+	}
+
+	requestData := &adapters.RequestData{
+		Method: "POST",
+		Uri:    a.endpoint,
+		Body:   requestJSON,
+	}
+
+	return []*adapters.RequestData{requestData}, errors
+
+}
+
+func (a *adapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
+	if response.StatusCode == http.StatusNoContent {
+		return nil, nil
+	}
+
+	if response.StatusCode == http.StatusBadRequest {
+		return nil, []error{&errortypes.BadInput{
+			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
+		}}
+	}
+
+	if response.StatusCode != http.StatusOK {
+		return nil, []error{&errortypes.BadServerResponse{
+			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
+		}}
+	}
+
+	var bidResp openrtb2.BidResponse
+	if err := json.Unmarshal(response.Body, &bidResp); err != nil {
+		return nil, []error{err}
+	}
+
+	bidsCapacity := 1
+	if len(bidResp.SeatBid) > 0 {
+		bidsCapacity = len(bidResp.SeatBid[0].Bid)
+	}
+	bidResponse := adapters.NewBidderResponseWithBidsCapacity(bidsCapacity)
+	var errors []error
+	for _, sb := range bidResp.SeatBid {
+		for i, bid := range sb.Bid {
+			bidType, err := getMediaTypeForBid(bid)
+			if err != nil {
+				errors = append(errors, err)
+				continue
+			}
+			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
+				Bid:     &sb.Bid[i],
+				BidType: bidType,
+			})
+
+		}
+	}
+
+	return bidResponse, errors
+}
+
+func getMediaTypeForBid(bid openrtb2.Bid) (openrtb_ext.BidType, error) {
+	if bid.Ext != nil {
+		var bidExt openrtb_ext.ExtBid
+		err := json.Unmarshal(bid.Ext, &bidExt)
+		if err == nil && bidExt.Prebid != nil {
+			if (bidExt.Prebid.Type == openrtb_ext.BidTypeBanner) || (bidExt.Prebid.Type == openrtb_ext.BidTypeNative) {
+				return openrtb_ext.ParseBidType(string(bidExt.Prebid.Type))
+			}
+			return "", &errortypes.BadServerResponse{
+				Message: fmt.Sprintf("Invalid mediatype in the impression"),
+			}
+		}
+	}
+
+	return "", &errortypes.BadServerResponse{
+		Message: fmt.Sprintf("Failed to parse impression \"%s\" mediatype", bid.ImpID),
+	}
+}

adapters/definemedia/definemedia_test.go

@@ -0,0 +1,21 @@
+package definemedia
+
+import (
+	"testing"
+
+	"github.com/prebid/prebid-server/adapters/adapterstest"
+	"github.com/prebid/prebid-server/config"
+	"github.com/prebid/prebid-server/openrtb_ext"
+)
+
+func TestJsonSamples(t *testing.T) {
+	bidder, buildErr := Builder(openrtb_ext.BidderDefinemedia, config.Adapter{
+		Endpoint: "https://rtb.conative.network/openrtb2/auction"},
+		config.Server{ExternalUrl: "http://hosturl.com", GvlID: 1, DataCenter: "2"})
+
+	if buildErr != nil {
+		t.Fatalf("Builder returned unexpected error %v", buildErr)
+	}
+
+	adapterstest.RunJSONBidderTest(t, "definemediatest", bidder)
+}