github.com/prebid/prebid-server@v0.275.0/adapters/decenterads/decenterads.go (about)

     1  package decenterads
     2  
     3  import (
     4  	"encoding/json"
     5  	"errors"
     6  	"fmt"
     7  	"net/http"
     8  	"strconv"
     9  
    10  	"github.com/prebid/openrtb/v19/openrtb2"
    11  	"github.com/prebid/prebid-server/adapters"
    12  	"github.com/prebid/prebid-server/config"
    13  	"github.com/prebid/prebid-server/errortypes"
    14  	"github.com/prebid/prebid-server/openrtb_ext"
    15  )
    16  
    17  type adapter struct {
    18  	endpoint string
    19  }
    20  
    21  func (a *adapter) MakeRequests(request *openrtb2.BidRequest, _ *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
    22  	headers := http.Header{}
    23  	headers.Add("Content-Type", "application/json;charset=utf-8")
    24  	headers.Add("Accept", "application/json")
    25  	impressions := request.Imp
    26  	result := make([]*adapters.RequestData, 0, len(impressions))
    27  	errs := make([]error, 0, len(impressions))
    28  
    29  	for _, impression := range impressions {
    30  		var impExt map[string]json.RawMessage
    31  		if err := json.Unmarshal(impression.Ext, &impExt); err != nil {
    32  			errs = append(errs, fmt.Errorf("unable to parse bidder parameers: %s", err))
    33  			continue
    34  		}
    35  
    36  		bidderExt, bidderExtExists := impExt["bidder"]
    37  		if !bidderExtExists || len(bidderExt) == 0 {
    38  			errs = append(errs, errors.New("bidder parameters required"))
    39  			continue
    40  		}
    41  
    42  		impression.Ext = bidderExt
    43  		request.Imp = []openrtb2.Imp{impression}
    44  		body, err := json.Marshal(request)
    45  		if err != nil {
    46  			errs = append(errs, err)
    47  			continue
    48  		}
    49  		result = append(result, &adapters.RequestData{
    50  			Method:  "POST",
    51  			Uri:     a.endpoint,
    52  			Body:    body,
    53  			Headers: headers,
    54  		})
    55  	}
    56  
    57  	request.Imp = impressions
    58  	return result, errs
    59  }
    60  
    61  func (a *adapter) MakeBids(request *openrtb2.BidRequest, _ *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
    62  	var errs []error
    63  
    64  	switch responseData.StatusCode {
    65  	case http.StatusNoContent:
    66  		return nil, nil
    67  	case http.StatusBadRequest:
    68  		return nil, []error{&errortypes.BadInput{
    69  			Message: "unexpected status code: " + strconv.Itoa(responseData.StatusCode),
    70  		}}
    71  	case http.StatusOK:
    72  		break
    73  	default:
    74  		return nil, []error{&errortypes.BadServerResponse{
    75  			Message: "unexpected status code: " + strconv.Itoa(responseData.StatusCode),
    76  		}}
    77  	}
    78  
    79  	var bidResponse openrtb2.BidResponse
    80  	err := json.Unmarshal(responseData.Body, &bidResponse)
    81  	if err != nil {
    82  		return nil, []error{&errortypes.BadServerResponse{
    83  			Message: err.Error(),
    84  		}}
    85  	}
    86  
    87  	response := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
    88  
    89  	for _, seatBid := range bidResponse.SeatBid {
    90  		for i := range seatBid.Bid {
    91  			response.Bids = append(response.Bids, &adapters.TypedBid{
    92  				Bid:     &seatBid.Bid[i],
    93  				BidType: getMediaTypeForImp(seatBid.Bid[i].ImpID, request.Imp),
    94  			})
    95  		}
    96  	}
    97  
    98  	return response, errs
    99  }
   100  
   101  func getMediaTypeForImp(impID string, imps []openrtb2.Imp) openrtb_ext.BidType {
   102  	for _, imp := range imps {
   103  		if imp.ID == impID {
   104  			if imp.Banner != nil {
   105  				return openrtb_ext.BidTypeBanner
   106  			} else if imp.Video != nil {
   107  				return openrtb_ext.BidTypeVideo
   108  			} else if imp.Native != nil {
   109  				return openrtb_ext.BidTypeNative
   110  			} else if imp.Audio != nil {
   111  				return openrtb_ext.BidTypeAudio
   112  			}
   113  		}
   114  	}
   115  	return openrtb_ext.BidTypeBanner
   116  }
   117  
   118  // Builder builds a new instance of the DecenterAds adapter for the given bidder with the given config.
   119  func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
   120  	bidder := &adapter{
   121  		endpoint: config.Endpoint,
   122  	}
   123  	return bidder, nil
   124  }