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apacdex.go
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apacdex.go
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package apacdex
import (
"encoding/json"
"fmt"
"net/http"
"github.com/mxmCherry/openrtb/v16/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
}
// Builder builds a new instance of the Apacdex adapter for the given bidder with the given config.
func Builder(bidderName openrtb_ext.BidderName, config config.Adapter) (adapters.Bidder, error) {
bidder := &adapter{
endpoint: config.Endpoint,
}
return bidder, nil
}
func (a *adapter) MakeRequests(request *openrtb2.BidRequest, requestInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
var errs []error
var adapterRequests []*adapters.RequestData
if err := preprocess(request); err != nil {
errs = append(errs, err)
return nil, errs
}
adapterReq, err := a.makeRequest(request)
if err != nil {
errs = append(errs, err)
return nil, errs
}
adapterRequests = append(adapterRequests, adapterReq)
return adapterRequests, errs
}
func (a *adapter) makeRequest(request *openrtb2.BidRequest) (*adapters.RequestData, error) {
var err error
jsonBody, err := json.Marshal(request)
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: a.endpoint,
Body: jsonBody,
Headers: headers,
}, nil
}
func preprocess(request *openrtb2.BidRequest) error {
if len(request.Imp) == 0 {
return &errortypes.BadInput{
Message: "No Imps in Bid Request",
}
}
for i := 0; i < len(request.Imp); i++ {
var imp = &request.Imp[i]
var bidderExt adapters.ExtImpBidder
if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
return &errortypes.BadInput{
Message: err.Error(),
}
}
var extImp openrtb_ext.ExtImpApacdex
if err := json.Unmarshal(bidderExt.Bidder, &extImp); err != nil {
return &errortypes.BadInput{
Message: err.Error(),
}
}
imp.Ext = bidderExt.Bidder
}
return nil
}
func (a *adapter) MakeBids(request *openrtb2.BidRequest, requestData *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
if responseData.StatusCode == http.StatusNoContent {
return nil, nil
}
if responseData.StatusCode == http.StatusBadRequest {
err := &errortypes.BadInput{
Message: "Unexpected status code: 400. Bad request from publisher. Run with request.debug = 1 for more info.",
}
return nil, []error{err}
}
if responseData.StatusCode != http.StatusOK {
err := &errortypes.BadServerResponse{
Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info.", responseData.StatusCode),
}
return nil, []error{err}
}
var response openrtb2.BidResponse
if err := json.Unmarshal(responseData.Body, &response); err != nil {
return nil, []error{&errortypes.BadServerResponse{
Message: err.Error(),
}}
}
if len(response.SeatBid) == 0 {
return nil, nil
}
bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
bidResponse.Currency = response.Cur
var errors []error
for _, seatbid := range response.SeatBid {
for _, bid := range seatbid.Bid {
bidType, err := getMediaTypeForBid(bid)
if err != nil {
errors = append(errors, err)
continue
}
bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
Bid: &bid,
BidType: bidType,
})
}
}
return bidResponse, errors
}
// getMediaTypeForBid determines which type of bid.
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 {
return openrtb_ext.ParseBidType(string(bidExt.Prebid.Type))
}
}
return "", &errortypes.BadServerResponse{
Message: fmt.Sprintf("Failed to parse bid mediatype for impression \"%s\"", bid.ImpID),
}
}