github.com/prebid/prebid-server@v0.275.0/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/v19/openrtb2"
    10  	"github.com/prebid/prebid-server/adapters"
    11  	"github.com/prebid/prebid-server/config"
    12  	"github.com/prebid/prebid-server/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  	}}, errs
    45  }
    46  
    47  // getValidImpressions validate imps and check for bid floor currency. Convert to EUR if necessary
    48  func getValidImpressions(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]openrtb2.Imp, []error) {
    49  	var errs []error
    50  	var validImps []openrtb2.Imp
    51  
    52  	for _, imp := range request.Imp {
    53  		if err := preprocessBidFloorCurrency(&imp, reqInfo); err != nil {
    54  			errs = append(errs, err)
    55  			continue
    56  		}
    57  		validImps = append(validImps, imp)
    58  	}
    59  	return validImps, errs
    60  }
    61  
    62  func preprocessBidFloorCurrency(imp *openrtb2.Imp, reqInfo *adapters.ExtraRequestInfo) error {
    63  	// we expect every currency related data to be EUR
    64  	if imp.BidFloor > 0 && strings.ToUpper(imp.BidFloorCur) != "USD" && imp.BidFloorCur != "" {
    65  		if convertedValue, err := reqInfo.ConvertCurrency(imp.BidFloor, imp.BidFloorCur, "USD"); err != nil {
    66  			return err
    67  		} else {
    68  			imp.BidFloor = convertedValue
    69  		}
    70  	}
    71  	imp.BidFloorCur = "USD"
    72  	return nil
    73  }
    74  
    75  func (a *adapter) MakeBids(request *openrtb2.BidRequest, _ *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
    76  	if adapters.IsResponseStatusCodeNoContent(responseData) {
    77  		return nil, nil
    78  	}
    79  
    80  	if err := adapters.CheckResponseStatusCodeForErrors(responseData); err != nil {
    81  		return nil, []error{err}
    82  	}
    83  
    84  	var response openrtb2.BidResponse
    85  	if err := json.Unmarshal(responseData.Body, &response); err != nil {
    86  		return nil, []error{fmt.Errorf("bid response unmarshal: %v", err)}
    87  	}
    88  
    89  	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
    90  	bidResponse.Currency = response.Cur
    91  	for _, seatBid := range response.SeatBid {
    92  		for i, bid := range seatBid.Bid {
    93  			bidType, err := getMediaTypeForImp(bid)
    94  			if err != nil {
    95  				return nil, []error{err}
    96  			}
    97  			b := &adapters.TypedBid{
    98  				Bid:     &seatBid.Bid[i],
    99  				BidType: bidType,
   100  			}
   101  			bidResponse.Bids = append(bidResponse.Bids, b)
   102  		}
   103  	}
   104  	return bidResponse, nil
   105  }
   106  
   107  func getMediaTypeForImp(bid openrtb2.Bid) (openrtb_ext.BidType, error) {
   108  	switch bid.MType {
   109  	case openrtb2.MarkupBanner:
   110  		return openrtb_ext.BidTypeBanner, nil
   111  	case openrtb2.MarkupVideo:
   112  		return openrtb_ext.BidTypeVideo, nil
   113  	case openrtb2.MarkupNative:
   114  		return openrtb_ext.BidTypeNative, nil
   115  	default:
   116  		return "", fmt.Errorf("unsupported MType %d", bid.MType)
   117  	}
   118  }
   119  
   120  // Builder builds a new instance of the TpmnBidder adapter for the given bidder with the given config.
   121  func Builder(_ openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
   122  	bidder := &adapter{
   123  		uri: config.Endpoint,
   124  	}
   125  	return bidder, nil
   126  }