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definemedia.go
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/
definemedia.go
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package definemedia
import (
"encoding/json"
"fmt"
"net/http"
"github.com/prebid/openrtb/v20/openrtb2"
"github.com/prebid/prebid-server/v2/adapters"
"github.com/prebid/prebid-server/v2/config"
"github.com/prebid/prebid-server/v2/errortypes"
"github.com/prebid/prebid-server/v2/openrtb_ext"
)
type adapter struct {
endpoint string
}
// Builder builds a new instance of the Foo 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 := &adapter{
endpoint: config.Endpoint,
}
return bidder, nil
}
// MakeRequests makes the HTTP requests which should be made to fetch bids.
func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
var errors []error
requestJSON, err := json.Marshal(request)
if err != nil {
errors = append(errors, err)
return nil, errors
}
requestData := &adapters.RequestData{
Method: "POST",
Uri: a.endpoint,
Body: requestJSON,
ImpIDs: openrtb_ext.GetImpIDs(request.Imp),
}
return []*adapters.RequestData{requestData}, errors
}
func (a *adapter) 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}
}
bidsCapacity := 1
if len(bidResp.SeatBid) > 0 {
bidsCapacity = len(bidResp.SeatBid[0].Bid)
}
bidResponse := adapters.NewBidderResponseWithBidsCapacity(bidsCapacity)
var errors []error
for _, sb := range bidResp.SeatBid {
for i, bid := range sb.Bid {
bidType, err := getMediaTypeForBid(bid)
if err != nil {
errors = append(errors, err)
continue
}
bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
Bid: &sb.Bid[i],
BidType: bidType,
})
}
}
return bidResponse, errors
}
func getMediaTypeForBid(bid openrtb2.Bid) (openrtb_ext.BidType, error) {
if bid.Ext != nil {
var bidExt openrtb_ext.ExtBid
err := json.Unmarshal(bid.Ext, &bidExt)
if err == nil && bidExt.Prebid != nil {
if (bidExt.Prebid.Type == openrtb_ext.BidTypeBanner) || (bidExt.Prebid.Type == openrtb_ext.BidTypeNative) {
return openrtb_ext.ParseBidType(string(bidExt.Prebid.Type))
}
return "", &errortypes.BadServerResponse{
Message: "Invalid mediatype in the impression",
}
}
}
return "", &errortypes.BadServerResponse{
Message: fmt.Sprintf("Failed to parse impression \"%s\" mediatype", bid.ImpID),
}
}