/
visx.go
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/
visx.go
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package visx
import (
"encoding/json"
"fmt"
"net/http"
"github.com/mxmCherry/openrtb/v15/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 VisxAdapter struct {
endpoint string
}
type visxBid struct {
ImpID string `json:"impid"`
Price float64 `json:"price"`
UID int `json:"auid"`
CrID string `json:"crid,omitempty"`
AdM string `json:"adm,omitempty"`
ADomain []string `json:"adomain,omitempty"`
DealID string `json:"dealid,omitempty"`
W uint64 `json:"w,omitempty"`
H uint64 `json:"h,omitempty"`
}
type visxSeatBid struct {
Bid []visxBid `json:"bid"`
Seat string `json:"seat,omitempty"`
}
type visxResponse struct {
SeatBid []visxSeatBid `json:"seatbid,omitempty"`
}
// MakeRequests makes the HTTP requests which should be made to fetch bids.
func (a *VisxAdapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
var errors = make([]error, 0)
// copy the request, because we are going to mutate it
requestCopy := *request
if len(requestCopy.Cur) == 0 {
requestCopy.Cur = []string{"USD"}
}
reqJSON, err := json.Marshal(requestCopy)
if err != nil {
errors = append(errors, err)
return nil, errors
}
headers := http.Header{}
headers.Add("Content-Type", "application/json;charset=utf-8")
return []*adapters.RequestData{{
Method: "POST",
Uri: a.endpoint,
Body: reqJSON,
Headers: headers,
}}, errors
}
// MakeBids unpacks the server's response into Bids.
func (a *VisxAdapter) 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 visxResponse
if err := json.Unmarshal(response.Body, &bidResp); err != nil {
return nil, []error{err}
}
bidResponse := adapters.NewBidderResponseWithBidsCapacity(1)
for _, sb := range bidResp.SeatBid {
for i := range sb.Bid {
bid := openrtb2.Bid{}
bid.ID = internalRequest.ID
bid.CrID = sb.Bid[i].CrID
bid.ImpID = sb.Bid[i].ImpID
bid.Price = sb.Bid[i].Price
bid.AdM = sb.Bid[i].AdM
bid.W = int64(sb.Bid[i].W)
bid.H = int64(sb.Bid[i].H)
bid.ADomain = sb.Bid[i].ADomain
bid.DealID = sb.Bid[i].DealID
bidType, err := getMediaTypeForImp(sb.Bid[i].ImpID, internalRequest.Imp)
if err != nil {
return nil, []error{err}
}
bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
Bid: &bid,
BidType: bidType,
})
}
}
return bidResponse, nil
}
func getMediaTypeForImp(impID string, imps []openrtb2.Imp) (openrtb_ext.BidType, error) {
for _, imp := range imps {
if imp.ID == impID {
if imp.Banner != nil {
return openrtb_ext.BidTypeBanner, nil
}
if imp.Video != nil {
return openrtb_ext.BidTypeVideo, nil
}
return "", &errortypes.BadServerResponse{
Message: fmt.Sprintf("Unknown impression type for ID: \"%s\"", impID),
}
}
}
// This shouldnt happen. Lets handle it just incase by returning an error.
return "", &errortypes.BadServerResponse{
Message: fmt.Sprintf("Failed to find impression for ID: \"%s\"", impID),
}
}
// Builder builds a new instance of the Visx adapter for the given bidder with the given config.
func Builder(bidderName openrtb_ext.BidderName, config config.Adapter) (adapters.Bidder, error) {
bidder := &VisxAdapter{
endpoint: config.Endpoint,
}
return bidder, nil
}