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

     1  package minutemedia
     2  
     3  import (
     4  	"encoding/json"
     5  	"errors"
     6  	"fmt"
     7  	"net/http"
     8  	"net/url"
     9  	"strings"
    10  
    11  	"github.com/prebid/openrtb/v20/openrtb2"
    12  
    13  	"github.com/prebid/prebid-server/v2/adapters"
    14  	"github.com/prebid/prebid-server/v2/config"
    15  	"github.com/prebid/prebid-server/v2/errortypes"
    16  	"github.com/prebid/prebid-server/v2/openrtb_ext"
    17  )
    18  
    19  // adapter is a MinuteMedia implementation of the adapters.Bidder interface.
    20  type adapter struct {
    21  	endpointURL string
    22  }
    23  
    24  func Builder(_ openrtb_ext.BidderName, config config.Adapter, _ config.Server) (adapters.Bidder, error) {
    25  	return &adapter{
    26  		endpointURL: config.Endpoint,
    27  	}, nil
    28  }
    29  
    30  // MakeRequests prepares the HTTP requests which should be made to fetch bids.
    31  func (a *adapter) MakeRequests(openRTBRequest *openrtb2.BidRequest, _ *adapters.ExtraRequestInfo) (requestsToBidder []*adapters.RequestData, errs []error) {
    32  	org, err := extractOrg(openRTBRequest)
    33  	if err != nil {
    34  		return nil, append(errs, fmt.Errorf("failed to extract org: %w", err))
    35  	}
    36  
    37  	openRTBRequestJSON, err := json.Marshal(openRTBRequest)
    38  	if err != nil {
    39  		return nil, append(errs, err)
    40  	}
    41  
    42  	headers := http.Header{}
    43  	headers.Add("Content-Type", "application/json;charset=utf-8")
    44  
    45  	return append(requestsToBidder, &adapters.RequestData{
    46  		Method:  http.MethodPost,
    47  		Uri:     a.endpointURL + "?publisher_id=" + url.QueryEscape(org),
    48  		Body:    openRTBRequestJSON,
    49  		Headers: headers,
    50  		ImpIDs:  openrtb_ext.GetImpIDs(openRTBRequest.Imp),
    51  	}), nil
    52  }
    53  
    54  // MakeBids unpacks the server's response into Bids.
    55  func (a *adapter) MakeBids(request *openrtb2.BidRequest, _ *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
    56  	if adapters.IsResponseStatusCodeNoContent(responseData) {
    57  		return nil, nil
    58  	}
    59  
    60  	if err := adapters.CheckResponseStatusCodeForErrors(responseData); err != nil {
    61  		return nil, []error{err}
    62  	}
    63  
    64  	var response openrtb2.BidResponse
    65  	if err := json.Unmarshal(responseData.Body, &response); err != nil {
    66  		return nil, []error{err}
    67  	}
    68  
    69  	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
    70  	bidResponse.Currency = response.Cur
    71  
    72  	var errs []error
    73  
    74  	for _, seatBid := range response.SeatBid {
    75  		for i, bid := range seatBid.Bid {
    76  			bidType, err := getMediaTypeForBid(bid)
    77  			if err != nil {
    78  				errs = append(errs, err)
    79  				continue
    80  			}
    81  
    82  			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
    83  				Bid:     &seatBid.Bid[i],
    84  				BidType: bidType,
    85  			})
    86  		}
    87  	}
    88  
    89  	return bidResponse, errs
    90  }
    91  
    92  func extractOrg(openRTBRequest *openrtb2.BidRequest) (string, error) {
    93  	var err error
    94  	if len(openRTBRequest.Imp) == 0 {
    95  		return "", errors.New("no imps in bid request")
    96  	}
    97  
    98  	var bidderExt adapters.ExtImpBidder
    99  	if err = json.Unmarshal(openRTBRequest.Imp[0].Ext, &bidderExt); err != nil {
   100  		return "", fmt.Errorf("failed to unmarshal bidderExt: %w", err)
   101  	}
   102  
   103  	var impExt openrtb_ext.ImpExtMinuteMedia
   104  	if err = json.Unmarshal(bidderExt.Bidder, &impExt); err != nil {
   105  		return "", fmt.Errorf("failed to unmarshal ImpExtMinuteMedia: %w", err)
   106  	}
   107  
   108  	return strings.TrimSpace(impExt.Org), nil
   109  }
   110  
   111  func getMediaTypeForBid(bid openrtb2.Bid) (openrtb_ext.BidType, error) {
   112  	switch bid.MType {
   113  	case openrtb2.MarkupBanner:
   114  		return openrtb_ext.BidTypeBanner, nil
   115  	case openrtb2.MarkupVideo:
   116  		return openrtb_ext.BidTypeVideo, nil
   117  	default:
   118  		return "", &errortypes.BadServerResponse{
   119  			Message: fmt.Sprintf("unsupported MType %d", bid.MType),
   120  		}
   121  	}
   122  }