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yieldmo.go
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yieldmo.go
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package yieldmo
import (
"encoding/json"
"fmt"
"net/http"
"github.com/prebid/openrtb/v17/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 YieldmoAdapter struct {
endpoint string
}
type ExtImpBidderYieldmo struct {
adapters.ExtImpBidder
Data *ExtData `json:"data,omitempty"`
}
type ExtData struct {
PbAdslot string `json:"pbadslot"`
}
type Ext struct {
PlacementId string `json:"placement_id"`
Gpid string `json:"gpid,omitempty"`
}
func (a *YieldmoAdapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
var errs []error
var adapterRequests []*adapters.RequestData
adapterReq, errors := a.makeRequest(request)
if adapterReq != nil {
adapterRequests = append(adapterRequests, adapterReq)
}
errs = append(errs, errors...)
return adapterRequests, errors
}
func (a *YieldmoAdapter) makeRequest(request *openrtb2.BidRequest) (*adapters.RequestData, []error) {
var errs []error
if err := preprocess(request); err != nil {
errs = append(errs, err)
}
// Last Step
reqJSON, err := json.Marshal(request)
if err != nil {
errs = append(errs, err)
return nil, errs
}
headers := http.Header{}
headers.Add("Content-Type", "application/json;charset=utf-8")
return &adapters.RequestData{
Method: "POST",
Uri: a.endpoint,
Body: reqJSON,
Headers: headers,
}, errs
}
// Mutate the request to get it ready to send to yieldmo.
func preprocess(request *openrtb2.BidRequest) error {
for i := 0; i < len(request.Imp); i++ {
var imp = request.Imp[i]
var bidderExt ExtImpBidderYieldmo
if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
return &errortypes.BadInput{
Message: err.Error(),
}
}
var yieldmoExt openrtb_ext.ExtImpYieldmo
if err := json.Unmarshal(bidderExt.Bidder, &yieldmoExt); err != nil {
return &errortypes.BadInput{
Message: err.Error(),
}
}
var impExt Ext
impExt.PlacementId = yieldmoExt.PlacementId
if bidderExt.Data != nil {
if bidderExt.Data.PbAdslot != "" {
impExt.Gpid = bidderExt.Data.PbAdslot
}
}
impExtJSON, err := json.Marshal(impExt)
if err != nil {
return &errortypes.BadInput{
Message: err.Error(),
}
}
request.Imp[i].Ext = impExtJSON
}
return nil
}
// MakeBids make the bids for the bid response.
func (a *YieldmoAdapter) 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}
}
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: getMediaTypeForImp(sb.Bid[i].ImpID, internalRequest.Imp),
})
}
}
return bidResponse, nil
}
// Builder builds a new instance of the Yieldmo 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 := &YieldmoAdapter{
endpoint: config.Endpoint,
}
return bidder, nil
}
func getMediaTypeForImp(impId string, imps []openrtb2.Imp) openrtb_ext.BidType {
//default to video unless banner exists in impression
for _, imp := range imps {
if imp.ID == impId && imp.Banner != nil {
return openrtb_ext.BidTypeBanner
}
}
return openrtb_ext.BidTypeVideo
}