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

     1  package tpmn
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"net/http"
     7  	"strings"
     8  
     9  	"github.com/prebid/openrtb/v20/openrtb2"
    10  	"github.com/prebid/prebid-server/v2/adapters"
    11  	"github.com/prebid/prebid-server/v2/config"
    12  	"github.com/prebid/prebid-server/v2/openrtb_ext"
    13  )
    14  
    15  // TpmnAdapter struct
    16  type adapter struct {
    17  	uri string
    18  }
    19  
    20  // MakeRequests makes the HTTP requests which should be made to fetch bids from TpmnBidder.
    21  func (rcv *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
    22  	validImps, errs := getValidImpressions(request, reqInfo)
    23  	if len(validImps) == 0 {
    24  		return nil, errs
    25  	}
    26  
    27  	request.Imp = validImps
    28  
    29  	requestBodyJSON, err := json.Marshal(request)
    30  	if err != nil {
    31  		errs = append(errs, err)
    32  		return nil, errs
    33  	}
    34  
    35  	headers := http.Header{}
    36  	headers.Add("Content-Type", "application/json;charset=utf-8")
    37  	headers.Add("Accept", "application/json")
    38  
    39  	return []*adapters.RequestData{{
    40  		Method:  http.MethodPost,
    41  		Uri:     rcv.uri,
    42  		Body:    requestBodyJSON,
    43  		Headers: headers,
    44  		ImpIDs:  openrtb_ext.GetImpIDs(request.Imp),
    45  	}}, errs
    46  }
    47  
    48  // getValidImpressions validate imps and check for bid floor currency. Convert to EUR if necessary
    49  func getValidImpressions(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]openrtb2.Imp, []error) {
    50  	var errs []error
    51  	var validImps []openrtb2.Imp
    52  
    53  	for _, imp := range request.Imp {
    54  		if err := preprocessBidFloorCurrency(&imp, reqInfo); err != nil {
    55  			errs = append(errs, err)
    56  			continue
    57  		}
    58  		validImps = append(validImps, imp)
    59  	}
    60  	return validImps, errs
    61  }
    62  
    63  func preprocessBidFloorCurrency(imp *openrtb2.Imp, reqInfo *adapters.ExtraRequestInfo) error {
    64  	// we expect every currency related data to be EUR
    65  	if imp.BidFloor > 0 && strings.ToUpper(imp.BidFloorCur) != "USD" && imp.BidFloorCur != "" {
    66  		if convertedValue, err := reqInfo.ConvertCurrency(imp.BidFloor, imp.BidFloorCur, "USD"); err != nil {
    67  			return err
    68  		} else {
    69  			imp.BidFloor = convertedValue
    70  		}
    71  	}
    72  	imp.BidFloorCur = "USD"
    73  	return nil
    74  }
    75  
    76  func (a *adapter) MakeBids(request *openrtb2.BidRequest, _ *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
    77  	if adapters.IsResponseStatusCodeNoContent(responseData) {
    78  		return nil, nil
    79  	}
    80  
    81  	if err := adapters.CheckResponseStatusCodeForErrors(responseData); err != nil {
    82  		return nil, []error{err}
    83  	}
    84  
    85  	var response openrtb2.BidResponse
    86  	if err := json.Unmarshal(responseData.Body, &response); err != nil {
    87  		return nil, []error{fmt.Errorf("bid response unmarshal: %v", err)}
    88  	}
    89  
    90  	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
    91  	bidResponse.Currency = response.Cur
    92  	for _, seatBid := range response.SeatBid {
    93  		for i, bid := range seatBid.Bid {
    94  			bidType, err := getMediaTypeForImp(bid)
    95  			if err != nil {
    96  				return nil, []error{err}
    97  			}
    98  			b := &adapters.TypedBid{
    99  				Bid:     &seatBid.Bid[i],
   100  				BidType: bidType,
   101  			}
   102  			bidResponse.Bids = append(bidResponse.Bids, b)
   103  		}
   104  	}
   105  	return bidResponse, nil
   106  }
   107  
   108  func getMediaTypeForImp(bid openrtb2.Bid) (openrtb_ext.BidType, error) {
   109  	switch bid.MType {
   110  	case openrtb2.MarkupBanner:
   111  		return openrtb_ext.BidTypeBanner, nil
   112  	case openrtb2.MarkupVideo:
   113  		return openrtb_ext.BidTypeVideo, nil
   114  	case openrtb2.MarkupNative:
   115  		return openrtb_ext.BidTypeNative, nil
   116  	default:
   117  		return "", fmt.Errorf("unsupported MType %d", bid.MType)
   118  	}
   119  }
   120  
   121  // Builder builds a new instance of the TpmnBidder adapter for the given bidder with the given config.
   122  func Builder(_ openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
   123  	bidder := &adapter{
   124  		uri: config.Endpoint,
   125  	}
   126  	return bidder, nil
   127  }