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mgid.go
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mgid.go
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package mgid
import (
"bytes"
"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 MgidAdapter struct {
endpoint string
}
type ReqExt struct {
PlacementId string `json:"placementId"`
AccountId string `json:"accountId"`
}
type RespBidExt struct {
CreativeType openrtb_ext.BidType `json:"crtype"`
}
func (a *MgidAdapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) (adapterRequests []*adapters.RequestData, errs []error) {
adapterReq, errs := a.makeRequest(request)
if adapterReq != nil && len(errs) == 0 {
adapterRequests = append(adapterRequests, adapterReq)
}
return
}
func (a *MgidAdapter) makeRequest(request *openrtb2.BidRequest) (*adapters.RequestData, []error) {
var errs []error
path, err := preprocess(request)
if err != nil {
errs = append(errs, err)
return nil, errs
}
// 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")
headers.Add("Accept", "application/json")
return &adapters.RequestData{
Method: "POST",
Uri: a.endpoint + path,
Body: reqJSON,
Headers: headers,
}, errs
}
// Mutate the request to get it ready to send to yieldmo.
func preprocess(request *openrtb2.BidRequest) (path string, err error) {
if request.TMax == 0 {
request.TMax = 200
}
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 mgidExt openrtb_ext.ExtImpMgid
if err := json.Unmarshal(bidderExt.Bidder, &mgidExt); err != nil {
return "", &errortypes.BadInput{
Message: err.Error(),
}
}
if path == "" {
path = mgidExt.AccountId
}
if mgidExt.PlacementId == "" {
request.Imp[i].TagID = imp.ID
} else {
request.Imp[i].TagID = mgidExt.PlacementId + "/" + imp.ID
}
cur := ""
if mgidExt.Currency != "" && mgidExt.Currency != "USD" {
cur = mgidExt.Currency
}
if cur == "" && mgidExt.Cur != "" && mgidExt.Cur != "USD" {
cur = mgidExt.Cur
}
bidfloor := mgidExt.BidFloor
if bidfloor <= 0 {
bidfloor = mgidExt.BidFloor2
}
if bidfloor > 0 {
request.Imp[i].BidFloor = bidfloor
}
if cur != "" {
request.Imp[i].BidFloorCur = cur
}
}
if path == "" {
return "", &errortypes.BadInput{
Message: "accountId is not set",
}
}
return
}
func (a *MgidAdapter) MakeBids(bidReq *openrtb2.BidRequest, unused *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)
bidResponse.Currency = bidResp.Cur
for _, sb := range bidResp.SeatBid {
for i := range sb.Bid {
bidType := openrtb_ext.BidTypeBanner
if len(sb.Bid[i].Ext) > 0 && bytes.Contains(sb.Bid[i].Ext, []byte("crtype")) {
ext := RespBidExt{}
if err := json.Unmarshal(sb.Bid[i].Ext, &ext); err == nil && len(ext.CreativeType) > 0 {
bidType = ext.CreativeType
}
}
bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
Bid: &sb.Bid[i],
BidType: bidType,
})
}
}
return bidResponse, nil
}
// Builder builds a new instance of the Mgid 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 := &MgidAdapter{
endpoint: config.Endpoint,
}
return bidder, nil
}