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deepintent.go
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deepintent.go
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package deepintent
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"
)
const displayManager string = "di_prebid"
const displayManagerVer string = "2.0.0"
// DeepintentAdapter struct
type DeepintentAdapter struct {
URI string
}
// Builder builds a new instance of the Deepintent 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 := &DeepintentAdapter{
URI: config.Endpoint,
}
return bidder, nil
}
// MakeRequests which creates request object for Deepintent DSP
func (d *DeepintentAdapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
var errs []error
var deepintentExt openrtb_ext.ExtImpDeepintent
var err error
var adapterRequests []*adapters.RequestData
reqCopy := *request
for _, imp := range request.Imp {
reqCopy.Imp = []openrtb2.Imp{imp}
var bidderExt adapters.ExtImpBidder
if err = json.Unmarshal(reqCopy.Imp[0].Ext, &bidderExt); err != nil {
errs = append(errs, &errortypes.BadInput{
Message: fmt.Sprintf("Impression id=%s has an Error: %s", imp.ID, err.Error()),
})
continue
}
if err = json.Unmarshal(bidderExt.Bidder, &deepintentExt); err != nil {
errs = append(errs, &errortypes.BadInput{
Message: fmt.Sprintf("Impression id=%s, has invalid Ext", imp.ID),
})
continue
}
reqCopy.Imp[0].TagID = deepintentExt.TagID
reqCopy.Imp[0].DisplayManager = displayManager
reqCopy.Imp[0].DisplayManagerVer = displayManagerVer
adapterReq, errors := d.preprocess(reqCopy)
if errors != nil {
errs = append(errs, errors...)
}
if adapterReq != nil {
adapterRequests = append(adapterRequests, adapterReq)
}
}
return adapterRequests, errs
}
// MakeBids makes the bids
func (d *DeepintentAdapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
var errs []error
if response.StatusCode == http.StatusNoContent {
return nil, nil
}
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 {
errs = append(errs, err)
} else {
b := &adapters.TypedBid{
Bid: &sb.Bid[i],
BidType: bidType,
}
bidResponse.Bids = append(bidResponse.Bids, b)
}
}
}
return bidResponse, errs
}
func (d *DeepintentAdapter) preprocess(request openrtb2.BidRequest) (*adapters.RequestData, []error) {
var errs []error
impsCount := len(request.Imp)
resImps := make([]openrtb2.Imp, 0, impsCount)
for _, imp := range request.Imp {
if err := buildImpBanner(&imp); err != nil {
errs = append(errs, err)
continue
}
resImps = append(resImps, imp)
}
request.Imp = resImps
if errs != nil {
return nil, errs
}
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: d.URI,
Body: reqJSON,
Headers: headers,
ImpIDs: openrtb_ext.GetImpIDs(request.Imp),
}, errs
}
func buildImpBanner(imp *openrtb2.Imp) error {
if imp.Banner == nil {
return &errortypes.BadInput{
Message: fmt.Sprintf("We need a Banner Object in the request"),
}
}
if imp.Banner.W == nil && imp.Banner.H == nil {
bannerCopy := *imp.Banner
banner := &bannerCopy
if len(banner.Format) == 0 {
return &errortypes.BadInput{
Message: fmt.Sprintf("At least one size is required"),
}
}
format := banner.Format[0]
banner.W = &format.W
banner.H = &format.H
imp.Banner = banner
}
return nil
}
func getMediaTypeForImp(impID string, imps []openrtb2.Imp) (openrtb_ext.BidType, error) {
mediaType := openrtb_ext.BidTypeBanner
for _, imp := range imps {
if imp.ID == impID {
return mediaType, nil
}
}
// This shouldnt happen. Lets handle it just incase by returning an error.
return "", &errortypes.BadInput{
Message: fmt.Sprintf("Failed to find impression %s ", impID),
}
}