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

     1  package triplelift
     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 TripleliftAdapter struct {
    16  	endpoint string
    17  }
    18  
    19  type TripleliftInnerExt struct {
    20  	Format int `json:"format"`
    21  }
    22  
    23  type TripleliftRespExt struct {
    24  	Triplelift TripleliftInnerExt `json:"triplelift_pb"`
    25  }
    26  
    27  func getBidType(ext TripleliftRespExt) openrtb_ext.BidType {
    28  	t := ext.Triplelift.Format
    29  	if t == 11 || t == 12 || t == 17 {
    30  		return openrtb_ext.BidTypeVideo
    31  	}
    32  	return openrtb_ext.BidTypeBanner
    33  }
    34  
    35  func processImp(imp *openrtb2.Imp) error {
    36  	// get the triplelift extension
    37  	var ext adapters.ExtImpBidder
    38  	var tlext openrtb_ext.ExtImpTriplelift
    39  	if err := json.Unmarshal(imp.Ext, &ext); err != nil {
    40  		return err
    41  	}
    42  	if err := json.Unmarshal(ext.Bidder, &tlext); err != nil {
    43  		return err
    44  	}
    45  	if imp.Banner == nil && imp.Video == nil {
    46  		return fmt.Errorf("neither Banner nor Video object specified")
    47  	}
    48  	imp.TagID = tlext.InvCode
    49  	// floor is optional
    50  	if tlext.Floor == nil {
    51  		return nil
    52  	} else {
    53  		imp.BidFloor = *tlext.Floor
    54  	}
    55  	// no error
    56  	return nil
    57  }
    58  
    59  func (a *TripleliftAdapter) MakeRequests(request *openrtb2.BidRequest, extra *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
    60  	errs := make([]error, 0, len(request.Imp)+1)
    61  	reqs := make([]*adapters.RequestData, 0, 1)
    62  	// copy the request, because we are going to mutate it
    63  	tlRequest := *request
    64  	// this will contain all the valid impressions
    65  	var validImps []openrtb2.Imp
    66  	// pre-process the imps
    67  	for _, imp := range tlRequest.Imp {
    68  		if err := processImp(&imp); err == nil {
    69  			validImps = append(validImps, imp)
    70  		} else {
    71  			errs = append(errs, err)
    72  		}
    73  	}
    74  	if len(validImps) == 0 {
    75  		err := fmt.Errorf("No valid impressions for triplelift")
    76  		errs = append(errs, err)
    77  		return nil, errs
    78  	}
    79  	tlRequest.Imp = validImps
    80  	reqJSON, err := json.Marshal(tlRequest)
    81  	if err != nil {
    82  		errs = append(errs, err)
    83  		return nil, errs
    84  	}
    85  	headers := http.Header{}
    86  	headers.Add("Content-Type", "application/json;charset=utf-8")
    87  	headers.Add("Accept", "application/json")
    88  	ad := a.endpoint
    89  	reqs = append(reqs, &adapters.RequestData{
    90  		Method:  "POST",
    91  		Uri:     ad,
    92  		Body:    reqJSON,
    93  		Headers: headers})
    94  	return reqs, errs
    95  }
    96  
    97  func getBidCount(bidResponse openrtb2.BidResponse) int {
    98  	c := 0
    99  	for _, sb := range bidResponse.SeatBid {
   100  		c = c + len(sb.Bid)
   101  	}
   102  	return c
   103  }
   104  
   105  func (a *TripleliftAdapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
   106  	if response.StatusCode == http.StatusNoContent {
   107  		return nil, nil
   108  	}
   109  
   110  	if response.StatusCode == http.StatusBadRequest {
   111  		return nil, []error{&errortypes.BadInput{
   112  			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
   113  		}}
   114  	}
   115  
   116  	if response.StatusCode != http.StatusOK {
   117  		return nil, []error{fmt.Errorf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode)}
   118  	}
   119  	var bidResp openrtb2.BidResponse
   120  	if err := json.Unmarshal(response.Body, &bidResp); err != nil {
   121  		return nil, []error{err}
   122  	}
   123  	var errs []error
   124  	count := getBidCount(bidResp)
   125  	bidResponse := adapters.NewBidderResponseWithBidsCapacity(count)
   126  
   127  	for _, sb := range bidResp.SeatBid {
   128  		for i := 0; i < len(sb.Bid); i++ {
   129  			bid := sb.Bid[i]
   130  			var bidExt TripleliftRespExt
   131  			if err := json.Unmarshal(bid.Ext, &bidExt); err != nil {
   132  				errs = append(errs, err)
   133  			} else {
   134  				bidType := getBidType(bidExt)
   135  				bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
   136  					Bid:     &bid,
   137  					BidType: bidType,
   138  				})
   139  			}
   140  		}
   141  	}
   142  	return bidResponse, errs
   143  }
   144  
   145  // Builder builds a new instance of the Triplelift adapter for the given bidder with the given config.
   146  func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
   147  	bidder := &TripleliftAdapter{
   148  		endpoint: config.Endpoint,
   149  	}
   150  	return bidder, nil
   151  }