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nextmillennium.go
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nextmillennium.go
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package nextmillennium
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 adapter struct {
endpoint string
}
type NextMillenniumBidRequest struct {
ID string `json:"id"`
Test uint8 `json:"test,omitempty"`
Ext struct {
Prebid struct {
StoredRequest struct {
ID string `json:"id"`
} `json:"storedrequest"`
} `json:"prebid"`
} `json:"ext"`
}
//MakeRequests prepares request information for prebid-server core
func (adapter *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
resImps, err := getImpressionsInfo(request.Imp)
if len(err) > 0 {
return nil, err
}
result := make([]*adapters.RequestData, 0, len(resImps))
for _, imp := range resImps {
bidRequest, err := adapter.buildAdapterRequest(request, imp)
if err != nil {
return nil, []error{err}
}
result = append(result, bidRequest)
}
return result, nil
}
func getImpressionsInfo(imps []openrtb2.Imp) (resImps []*openrtb_ext.ImpExtNextMillennium, errors []error) {
for _, imp := range imps {
impExt, err := getImpressionExt(&imp)
if err != nil {
errors = append(errors, err)
continue
}
resImps = append(resImps, impExt)
}
return
}
func getImpressionExt(imp *openrtb2.Imp) (*openrtb_ext.ImpExtNextMillennium, error) {
var bidderExt adapters.ExtImpBidder
if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
return nil, &errortypes.BadInput{
Message: err.Error(),
}
}
var nextMillenniumExt openrtb_ext.ImpExtNextMillennium
if err := json.Unmarshal(bidderExt.Bidder, &nextMillenniumExt); err != nil {
return nil, &errortypes.BadInput{
Message: err.Error(),
}
}
return &nextMillenniumExt, nil
}
func (adapter *adapter) buildAdapterRequest(prebidBidRequest *openrtb2.BidRequest, params *openrtb_ext.ImpExtNextMillennium) (*adapters.RequestData, error) {
newBidRequest := createBidRequest(prebidBidRequest, params)
reqJSON, err := json.Marshal(newBidRequest)
if err != nil {
return nil, err
}
headers := http.Header{}
headers.Add("Content-Type", "application/json;charset=utf-8")
headers.Add("Accept", "application/json")
headers.Add("x-openrtb-version", "2.5")
return &adapters.RequestData{
Method: "POST",
Uri: adapter.endpoint,
Body: reqJSON,
Headers: headers}, nil
}
func createBidRequest(prebidBidRequest *openrtb2.BidRequest, params *openrtb_ext.ImpExtNextMillennium) *NextMillenniumBidRequest {
placementID := params.PlacementID
bidRequest := NextMillenniumBidRequest{
ID: prebidBidRequest.ID,
Test: uint8(prebidBidRequest.Test),
}
if params.GroupID != "" {
domain := ""
size := ""
if prebidBidRequest.Site != nil {
domain = prebidBidRequest.Site.Domain
}
if prebidBidRequest.App != nil {
domain = prebidBidRequest.App.Domain
}
if banner := prebidBidRequest.Imp[0].Banner; banner != nil {
if len(banner.Format) > 0 {
size = fmt.Sprintf("%dx%d", banner.Format[0].W, banner.Format[0].H)
} else if banner.W != nil && banner.H != nil {
size = fmt.Sprintf("%dx%d", *banner.W, *banner.H)
}
}
placementID = fmt.Sprintf("g%s;%s;%s", params.GroupID, size, domain)
}
bidRequest.Ext.Prebid.StoredRequest.ID = placementID
return &bidRequest
}
//MakeBids translates NextMillennium bid response to prebid-server specific format
func (adapter *adapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
var msg = ""
if response.StatusCode == http.StatusNoContent {
return nil, nil
}
if response.StatusCode != http.StatusOK {
msg = fmt.Sprintf("Unexpected http status code: %d", response.StatusCode)
return nil, []error{&errortypes.BadServerResponse{Message: msg}}
}
var bidResp openrtb2.BidResponse
if err := json.Unmarshal(response.Body, &bidResp); err != nil {
msg = fmt.Sprintf("Bad server response: %d", err)
return nil, []error{&errortypes.BadServerResponse{Message: msg}}
}
if len(bidResp.SeatBid) == 0 {
return nil, nil
}
bidResponse := adapters.NewBidderResponseWithBidsCapacity(1)
for _, sb := range bidResp.SeatBid {
for i := range sb.Bid {
bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
Bid: &sb.Bid[i],
BidType: openrtb_ext.BidTypeBanner,
})
}
}
return bidResponse, nil
}
// Builder builds a new instance of the NextMillennium adapter for the given bidder with the given config.
func Builder(bidderName openrtb_ext.BidderName, config config.Adapter) (adapters.Bidder, error) {
return &adapter{
endpoint: config.Endpoint,
}, nil
}