github.com/prebid/prebid-server/v2@v2.18.0/adapters/bidscube/bidscube.go (about)

     1  package bidscube
     2  
     3  import (
     4  	"encoding/json"
     5  	"errors"
     6  	"fmt"
     7  	"net/http"
     8  	"strconv"
     9  
    10  	"github.com/buger/jsonparser"
    11  	"github.com/prebid/openrtb/v20/openrtb2"
    12  	"github.com/prebid/prebid-server/v2/adapters"
    13  	"github.com/prebid/prebid-server/v2/config"
    14  	"github.com/prebid/prebid-server/v2/errortypes"
    15  	"github.com/prebid/prebid-server/v2/openrtb_ext"
    16  )
    17  
    18  type adapter struct {
    19  	endpoint string
    20  }
    21  
    22  func (a *adapter) MakeRequests(request *openrtb2.BidRequest, _ *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
    23  	headers := http.Header{}
    24  	headers.Add("Content-Type", "application/json;charset=utf-8")
    25  	headers.Add("Accept", "application/json")
    26  	impressions := request.Imp
    27  	result := make([]*adapters.RequestData, 0, len(impressions))
    28  	var errs []error
    29  
    30  	for _, impression := range impressions {
    31  		var impExt map[string]json.RawMessage
    32  		if err := json.Unmarshal(impression.Ext, &impExt); err != nil {
    33  			errs = append(errs, err)
    34  			continue
    35  		}
    36  
    37  		bidderExt, bidderExtExists := impExt["bidder"]
    38  		if !bidderExtExists || len(bidderExt) == 0 {
    39  			errs = append(errs, errors.New("bidder parameters required"))
    40  			continue
    41  		}
    42  
    43  		impression.Ext = bidderExt
    44  		request.Imp = []openrtb2.Imp{impression}
    45  		body, err := json.Marshal(request)
    46  		if err != nil {
    47  			errs = append(errs, err)
    48  			continue
    49  		}
    50  		result = append(result, &adapters.RequestData{
    51  			Method:  "POST",
    52  			Uri:     a.endpoint,
    53  			Body:    body,
    54  			Headers: headers,
    55  			ImpIDs:  openrtb_ext.GetImpIDs(request.Imp),
    56  		})
    57  	}
    58  
    59  	request.Imp = impressions
    60  	return result, errs
    61  }
    62  
    63  func (a *adapter) MakeBids(request *openrtb2.BidRequest, _ *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
    64  	var errs []error
    65  
    66  	switch responseData.StatusCode {
    67  	case http.StatusNoContent:
    68  		return nil, nil
    69  	case http.StatusBadRequest:
    70  		return nil, []error{&errortypes.BadInput{
    71  			Message: "unexpected status code: " + strconv.Itoa(responseData.StatusCode),
    72  		}}
    73  	case http.StatusOK:
    74  		break
    75  	default:
    76  		return nil, []error{&errortypes.BadServerResponse{
    77  			Message: "unexpected status code: " + strconv.Itoa(responseData.StatusCode),
    78  		}}
    79  	}
    80  
    81  	var bidResponse openrtb2.BidResponse
    82  	err := json.Unmarshal(responseData.Body, &bidResponse)
    83  	if err != nil {
    84  		return nil, []error{&errortypes.BadServerResponse{
    85  			Message: err.Error(),
    86  		}}
    87  	}
    88  
    89  	response := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
    90  
    91  	for _, seatBid := range bidResponse.SeatBid {
    92  		for i := range seatBid.Bid {
    93  			bidType, err := jsonparser.GetString(seatBid.Bid[i].Ext, "prebid", "type")
    94  			if err != nil {
    95  				errs = append(errs, fmt.Errorf("unable to read bid.ext.prebid.type: %v", err))
    96  				continue
    97  			}
    98  			response.Bids = append(response.Bids, &adapters.TypedBid{
    99  				Bid:     &seatBid.Bid[i],
   100  				BidType: getMediaTypeForImp(bidType),
   101  			})
   102  		}
   103  	}
   104  
   105  	return response, errs
   106  }
   107  
   108  func getMediaTypeForImp(bidType string) openrtb_ext.BidType {
   109  	switch bidType {
   110  	case "banner":
   111  		return openrtb_ext.BidTypeBanner
   112  	case "video":
   113  		return openrtb_ext.BidTypeVideo
   114  	case "native":
   115  		return openrtb_ext.BidTypeNative
   116  	}
   117  	return openrtb_ext.BidTypeBanner
   118  }
   119  
   120  // Builder builds a new instance of the BidsCube adapter for the given bidder with the given config.
   121  func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
   122  	bidder := &adapter{
   123  		endpoint: config.Endpoint,
   124  	}
   125  	return bidder, nil
   126  }