Fix review points

adapters/rediads/rediads.go

@@ -122,16 +122,13 @@ func (a *adapter) MakeRequests(request *openrtb2.BidRequest, requestInfo *adapte
 }
 
 func getMediaTypeForBid(bid openrtb2.Bid) (openrtb_ext.BidType, error) {
-	if bid.Ext != nil {
-		var bidExt openrtb_ext.ExtBid
-		err := jsonutil.Unmarshal(bid.Ext, &bidExt)
-		if err == nil && bidExt.Prebid != nil {
-			return openrtb_ext.ParseBidType(string(bidExt.Prebid.Type))
-		}
-	}
-
-	return "", &errortypes.BadServerResponse{
-		Message: fmt.Sprintf("Failed to parse impression \"%s\" mediatype", bid.ImpID),
+	switch bid.MType {
+	case openrtb2.MarkupBanner:
+		return openrtb_ext.BidTypeBanner, nil
+	case openrtb2.MarkupNative:
+		return openrtb_ext.BidTypeNative, nil
+	default:
+		return "", fmt.Errorf("Failed to find impression type \"%s\"", bid.ImpID)
 	}
 }
 

adapters/rediads/rediads_test.go

@@ -1,7 +1,6 @@
 package rediads
 
 import (
-	"fmt"
 	"testing"
 
 	"github.com/prebid/prebid-server/v3/adapters/adapterstest"