Add mapping of user.ext.eids[] for LiveIntent in Rubicon bidder

adapters/rubicon/rubicon.go

@@ -213,6 +213,16 @@ var rubiSizeMap = map[rubiSize]int{
 	{w: 640, h: 320}:   156,
 }
 
+// defines the contract for bidrequest.user.ext.eids[i].ext
+type rubiconUserExtEidExt struct {
+	Segments []string `json:"segments,omitempty"`
+}
+
+// defines the contract for bidrequest.user.ext.eids[i].uids[j].ext
+type rubiconUserExtEidUidExt struct {
+	RtiPartner string `json:"rtiPartner,omitempty"`
+}
+
 //MAS algorithm
 func findPrimary(alt []int) (int, []int) {
 	min, pos, primary := 0, 0, 0
@@ -648,20 +658,11 @@ func (a *RubiconAdapter) MakeRequests(request *openrtb.BidRequest, reqInfo *adap
 
 				// set user.ext.tpid
 				if len(userExt.Eids) > 0 {
-					tpIds := make([]rubiconExtUserTpID, 0)
-					for _, eid := range userExt.Eids {
-						if eid.Source == "adserver.org" {
-							uids := eid.Uids
-							if len(uids) > 0 {
-								uid := uids[0]
-								if uid.Ext != nil && uid.Ext.RtiPartner == "TDID" {
-									tpIds = append(tpIds, rubiconExtUserTpID{Source: "tdid", UID: uid.ID})
-								}
-							}
-						}
-					}
-					if len(tpIds) > 0 {
-						userExtRP.TpID = tpIds
+					if tpIds, segments, errors := getTpIdsAndSegments(userExt.Eids); len(errors) > 0 {
+						errs = append(errs, errors...)
+					} else if err := updateUserExtWithTpIdsAndSegments(&userExtRP, tpIds, segments); err != nil {
+						errs = append(errs, err)
+						continue
 					}
 				}
 			}
@@ -746,6 +747,82 @@ func (a *RubiconAdapter) MakeRequests(request *openrtb.BidRequest, reqInfo *adap
 	return requestData, errs
 }
 
+func getTpIdsAndSegments(eids []openrtb_ext.ExtUserEid) ([]rubiconExtUserTpID, []string, []error) {
+	tpIds := make([]rubiconExtUserTpID, 0)
+	segments := make([]string, 0)
+	errs := make([]error, 0)
+
+	for _, eid := range eids {
+		switch eid.Source {
+		case "adserver.org":
+			uids := eid.Uids
+			if len(uids) > 0 {
+				uid := uids[0]
+
+				if uid.Ext != nil {
+					var eidUidExt rubiconUserExtEidUidExt
+					if err := json.Unmarshal(uid.Ext, &eidUidExt); err != nil {
+						errs = append(errs, &errortypes.BadInput{
+							Message: err.Error(),
+						})
+						continue
+					}
+
+					if eidUidExt.RtiPartner == "TDID" {
+						tpIds = append(tpIds, rubiconExtUserTpID{Source: "tdid", UID: uid.ID})
+					}
+				}
+			}
+		case "liveintent.com":
+			uids := eid.Uids
+			if len(uids) > 0 {
+				uidId := uids[0].ID
+				if uidId != "" {
+					tpIds = append(tpIds, rubiconExtUserTpID{Source: "liveintent.com", UID: uidId})
+				}
+
+				if eid.Ext != nil {
+					var eidExt rubiconUserExtEidExt
+					if err := json.Unmarshal(eid.Ext, &eidExt); err != nil {
+						errs = append(errs, &errortypes.BadInput{
+							Message: err.Error(),
+						})
+						continue
+					}
+					segments = eidExt.Segments
+				}
+			}
+		}
+	}
+
+	return tpIds, segments, errs
+}
+
+func updateUserExtWithTpIdsAndSegments(userExtRP *rubiconUserExt, tpIds []rubiconExtUserTpID, segments []string) error {
+	if len(tpIds) > 0 {
+		userExtRP.TpID = tpIds
+
+		if segments != nil {
+			userExtRPTarget := make(map[string]interface{})
+
+			if userExtRP.RP.Target != nil {
+				if err := json.Unmarshal(userExtRP.RP.Target, &userExtRPTarget); err != nil {
+					return &errortypes.BadInput{Message: err.Error()}
+				}
+			}
+
+			userExtRPTarget["LIseg"] = segments
+
+			if target, err := json.Marshal(&userExtRPTarget); err != nil {
+				return &errortypes.BadInput{Message: err.Error()}
+			} else {
+				userExtRP.RP.Target = target
+			}
+		}
+	}
+	return nil
+}
+
 func isVideo(imp openrtb.Imp) bool {
 	video := imp.Video
 	if video != nil {