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

     1  package definemedia
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"net/http"
     7  
     8  	"github.com/prebid/openrtb/v19/openrtb2"
     9  	"github.com/prebid/prebid-server/adapters"
    10  	"github.com/prebid/prebid-server/config"
    11  	"github.com/prebid/prebid-server/errortypes"
    12  	"github.com/prebid/prebid-server/openrtb_ext"
    13  )
    14  
    15  type adapter struct {
    16  	endpoint string
    17  }
    18  
    19  // Builder builds a new instance of the Foo adapter for the given bidder with the given config.
    20  func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
    21  	bidder := &adapter{
    22  		endpoint: config.Endpoint,
    23  	}
    24  	return bidder, nil
    25  }
    26  
    27  // MakeRequests makes the HTTP requests which should be made to fetch bids.
    28  func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
    29  	var errors []error
    30  	requestJSON, err := json.Marshal(request)
    31  	if err != nil {
    32  		errors = append(errors, err)
    33  		return nil, errors
    34  	}
    35  
    36  	requestData := &adapters.RequestData{
    37  		Method: "POST",
    38  		Uri:    a.endpoint,
    39  		Body:   requestJSON,
    40  	}
    41  
    42  	return []*adapters.RequestData{requestData}, errors
    43  
    44  }
    45  
    46  func (a *adapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
    47  	if response.StatusCode == http.StatusNoContent {
    48  		return nil, nil
    49  	}
    50  
    51  	if response.StatusCode == http.StatusBadRequest {
    52  		return nil, []error{&errortypes.BadInput{
    53  			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
    54  		}}
    55  	}
    56  
    57  	if response.StatusCode != http.StatusOK {
    58  		return nil, []error{&errortypes.BadServerResponse{
    59  			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
    60  		}}
    61  	}
    62  
    63  	var bidResp openrtb2.BidResponse
    64  	if err := json.Unmarshal(response.Body, &bidResp); err != nil {
    65  		return nil, []error{err}
    66  	}
    67  
    68  	bidsCapacity := 1
    69  	if len(bidResp.SeatBid) > 0 {
    70  		bidsCapacity = len(bidResp.SeatBid[0].Bid)
    71  	}
    72  	bidResponse := adapters.NewBidderResponseWithBidsCapacity(bidsCapacity)
    73  	var errors []error
    74  	for _, sb := range bidResp.SeatBid {
    75  		for i, bid := range sb.Bid {
    76  			bidType, err := getMediaTypeForBid(bid)
    77  			if err != nil {
    78  				errors = append(errors, err)
    79  				continue
    80  			}
    81  			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
    82  				Bid:     &sb.Bid[i],
    83  				BidType: bidType,
    84  			})
    85  
    86  		}
    87  	}
    88  
    89  	return bidResponse, errors
    90  }
    91  
    92  func getMediaTypeForBid(bid openrtb2.Bid) (openrtb_ext.BidType, error) {
    93  	if bid.Ext != nil {
    94  		var bidExt openrtb_ext.ExtBid
    95  		err := json.Unmarshal(bid.Ext, &bidExt)
    96  		if err == nil && bidExt.Prebid != nil {
    97  			if (bidExt.Prebid.Type == openrtb_ext.BidTypeBanner) || (bidExt.Prebid.Type == openrtb_ext.BidTypeNative) {
    98  				return openrtb_ext.ParseBidType(string(bidExt.Prebid.Type))
    99  			}
   100  			return "", &errortypes.BadServerResponse{
   101  				Message: fmt.Sprintf("Invalid mediatype in the impression"),
   102  			}
   103  		}
   104  	}
   105  
   106  	return "", &errortypes.BadServerResponse{
   107  		Message: fmt.Sprintf("Failed to parse impression \"%s\" mediatype", bid.ImpID),
   108  	}
   109  }