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yieldone.go
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yieldone.go
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package yieldone
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 YieldoneAdapter struct {
endpoint string
}
// MakeRequests makes the HTTP requests which should be made to fetch bids.
func (a *YieldoneAdapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
var errors = make([]error, 0)
var validImps []openrtb2.Imp
for i := 0; i < len(request.Imp); i++ {
if err := preprocess(&request.Imp[i]); err == nil {
validImps = append(validImps, request.Imp[i])
} else {
errors = append(errors, err)
}
}
request.Imp = validImps
reqJSON, err := json.Marshal(request)
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 *YieldoneAdapter) 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 {
bidType, err := getMediaTypeForImp(sb.Bid[i].ImpID, internalRequest.Imp)
if err != nil {
return nil, []error{err}
}
bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
Bid: &sb.Bid[i],
BidType: bidType,
})
}
}
return bidResponse, nil
}
// Builder builds a new instance of the Yieldone adapter for the given bidder with the given config.
func Builder(bidderName openrtb_ext.BidderName, config config.Adapter) (adapters.Bidder, error) {
bidder := &YieldoneAdapter{
endpoint: config.Endpoint,
}
return bidder, nil
}
func preprocess(imp *openrtb2.Imp) error {
var ext adapters.ExtImpBidder
if err := json.Unmarshal(imp.Ext, &ext); err != nil {
return err
}
var impressionExt openrtb_ext.ExtImpYieldone
if err := json.Unmarshal(ext.Bidder, &impressionExt); err != nil {
return err
}
if imp.Banner != nil {
bannerCopy := *imp.Banner
if bannerCopy.W == nil && bannerCopy.H == nil && len(bannerCopy.Format) > 0 {
firstFormat := bannerCopy.Format[0]
bannerCopy.W = &(firstFormat.W)
bannerCopy.H = &(firstFormat.H)
}
imp.Banner = &bannerCopy
}
return 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),
}
}