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algorix.go
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algorix.go
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package algorix
import (
"encoding/json"
"fmt"
"net/http"
"net/url"
"text/template"
"github.com/prebid/openrtb/v19/openrtb2"
"github.com/prebid/prebid-server/adapters"
"github.com/prebid/prebid-server/config"
"github.com/prebid/prebid-server/errortypes"
"github.com/prebid/prebid-server/macros"
"github.com/prebid/prebid-server/openrtb_ext"
)
type adapter struct {
EndpointTemplate *template.Template
}
type algorixVideoExt struct {
Rewarded int `json:"rewarded"`
}
type algorixResponseBidExt struct {
MediaType string `json:"mediaType"`
}
// Builder builds a new instance of the AlgoriX adapter for the given bidder with the given config.
func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
endpoint, err := template.New("endpointTemplate").Parse(config.Endpoint)
if err != nil {
return nil, fmt.Errorf("unable to parse endpoint url template: %v", err)
}
bidder := &adapter{
EndpointTemplate: endpoint,
}
return bidder, nil
}
func (a *adapter) MakeRequests(request *openrtb2.BidRequest, requestInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
var adapterRequests []*adapters.RequestData
var errs []error
adapterRequest, err := a.makeRequest(request)
if err == nil {
adapterRequests = append(adapterRequests, adapterRequest)
} else {
errs = append(errs, err)
}
return adapterRequests, errs
}
func (a *adapter) makeRequest(request *openrtb2.BidRequest) (*adapters.RequestData, error) {
algorixExt, err := getImpAlgoriXExt(&request.Imp[0])
if err != nil {
return nil, &errortypes.BadInput{Message: "Invalid ExtImpAlgoriX value"}
}
endPoint, err := a.getEndPoint(algorixExt)
if err != nil {
return nil, err
}
preProcess(request)
reqBody, 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: endPoint,
Body: reqBody,
Headers: headers,
}, nil
}
// get ImpAlgoriXExt From First Imp. Only check and get first Imp.Ext.Bidder to ExtImpAlgorix
func getImpAlgoriXExt(imp *openrtb2.Imp) (*openrtb_ext.ExtImpAlgorix, error) {
var extImpAlgoriX openrtb_ext.ExtImpAlgorix
var extBidder adapters.ExtImpBidder
err := json.Unmarshal(imp.Ext, &extBidder)
if err != nil {
return nil, err
}
err = json.Unmarshal(extBidder.Bidder, &extImpAlgoriX)
if err != nil {
return nil, err
}
return &extImpAlgoriX, nil
}
func getRegionInfo(region string) string {
switch region {
case "APAC":
return "apac.xyz"
case "USE":
return "use.xyz"
case "EUC":
return "euc.xyz"
default:
return "xyz"
}
}
func (a *adapter) getEndPoint(ext *openrtb_ext.ExtImpAlgorix) (string, error) {
endPointParams := macros.EndpointTemplateParams{
SourceId: url.PathEscape(ext.Sid),
AccountID: url.PathEscape(ext.Token),
Host: url.PathEscape(getRegionInfo(ext.Region)),
}
return macros.ResolveMacros(a.EndpointTemplate, endPointParams)
}
func preProcess(request *openrtb2.BidRequest) {
for i := range request.Imp {
if request.Imp[i].Banner != nil {
banner := *request.Imp[i].Banner
if (banner.W == nil || banner.H == nil || *banner.W == 0 || *banner.H == 0) && len(banner.Format) > 0 {
firstFormat := banner.Format[0]
banner.W = &firstFormat.W
banner.H = &firstFormat.H
request.Imp[i].Banner = &banner
}
}
if request.Imp[i].Video != nil {
var impExt adapters.ExtImpBidder
err := json.Unmarshal(request.Imp[i].Ext, &impExt)
if err != nil {
continue
}
if impExt.Prebid != nil && impExt.Prebid.IsRewardedInventory != nil && *impExt.Prebid.IsRewardedInventory == 1 {
videoCopy := *request.Imp[i].Video
videoExt := algorixVideoExt{Rewarded: 1}
videoCopy.Ext, err = json.Marshal(&videoExt)
request.Imp[i].Video = &videoCopy
}
}
}
}
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.", response.StatusCode),
}}
}
if response.StatusCode != http.StatusOK {
return nil, []error{&errortypes.BadServerResponse{
Message: fmt.Sprintf("Unexpected status code: %d.", response.StatusCode),
}}
}
var bidResp openrtb2.BidResponse
if err := json.Unmarshal(response.Body, &bidResp); err != nil {
return nil, []error{err}
}
bidResponse := adapters.NewBidderResponseWithBidsCapacity(1)
var errs []error
for _, seatBid := range bidResp.SeatBid {
for idx := range seatBid.Bid {
mediaType, err := getBidType(seatBid.Bid[idx], internalRequest.Imp)
if err != nil {
errs = append(errs, err)
} else {
bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
Bid: &seatBid.Bid[idx],
BidType: mediaType,
})
}
}
}
return bidResponse, errs
}
func getBidType(bid openrtb2.Bid, imps []openrtb2.Imp) (openrtb_ext.BidType, error) {
var bidExt algorixResponseBidExt
err := json.Unmarshal(bid.Ext, &bidExt)
if err == nil {
switch bidExt.MediaType {
case "banner":
return openrtb_ext.BidTypeBanner, nil
case "native":
return openrtb_ext.BidTypeNative, nil
case "video":
return openrtb_ext.BidTypeVideo, nil
}
}
var mediaType openrtb_ext.BidType
var typeCnt = 0
for _, imp := range imps {
if imp.ID == bid.ImpID {
if imp.Banner != nil {
typeCnt += 1
mediaType = openrtb_ext.BidTypeBanner
}
if imp.Native != nil {
typeCnt += 1
mediaType = openrtb_ext.BidTypeNative
}
if imp.Video != nil {
typeCnt += 1
mediaType = openrtb_ext.BidTypeVideo
}
}
}
if typeCnt == 1 {
return mediaType, nil
}
return mediaType, fmt.Errorf("unable to fetch mediaType in multi-format: %s", bid.ImpID)
}