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

     1  package globalsun
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"net/http"
     7  
     8  	"github.com/buger/jsonparser"
     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/errortypes"
    13  	"github.com/prebid/prebid-server/v2/openrtb_ext"
    14  )
    15  
    16  type adapter struct {
    17  	endpoint string
    18  }
    19  
    20  type reqBodyExt struct {
    21  	GlobalsunBidderExt reqBodyExtBidder `json:"bidder"`
    22  }
    23  
    24  type reqBodyExtBidder struct {
    25  	Type        string `json:"type"`
    26  	PlacementID string `json:"placementId,omitempty"`
    27  }
    28  
    29  func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
    30  	bidder := &adapter{
    31  		endpoint: config.Endpoint,
    32  	}
    33  	return bidder, nil
    34  }
    35  
    36  func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
    37  	adapterRequests := make([]*adapters.RequestData, 0, len(request.Imp))
    38  
    39  	reqCopy := *request
    40  	for _, imp := range request.Imp {
    41  		reqCopy.Imp = []openrtb2.Imp{imp}
    42  
    43  		placementID, err := jsonparser.GetString(imp.Ext, "bidder", "placementId")
    44  		if err != nil {
    45  			return nil, []error{err}
    46  		}
    47  
    48  		extJson, err := json.Marshal(reqBodyExt{
    49  			GlobalsunBidderExt: reqBodyExtBidder{
    50  				PlacementID: placementID,
    51  				Type:        "publisher",
    52  			},
    53  		})
    54  		if err != nil {
    55  			return nil, []error{err}
    56  		}
    57  
    58  		reqCopy.Imp[0].Ext = extJson
    59  
    60  		adapterReq, err := a.makeRequest(&reqCopy)
    61  		if err != nil {
    62  			return nil, []error{err}
    63  		}
    64  
    65  		if adapterReq != nil {
    66  			adapterRequests = append(adapterRequests, adapterReq)
    67  		}
    68  	}
    69  	return adapterRequests, nil
    70  }
    71  
    72  func (a *adapter) makeRequest(request *openrtb2.BidRequest) (*adapters.RequestData, error) {
    73  	reqJSON, err := json.Marshal(request)
    74  	if err != nil {
    75  		return nil, err
    76  	}
    77  
    78  	headers := http.Header{}
    79  	headers.Add("Content-Type", "application/json;charset=utf-8")
    80  	headers.Add("Accept", "application/json")
    81  	return &adapters.RequestData{
    82  		Method:  "POST",
    83  		Uri:     a.endpoint,
    84  		Body:    reqJSON,
    85  		Headers: headers,
    86  		ImpIDs:  openrtb_ext.GetImpIDs(request.Imp),
    87  	}, err
    88  }
    89  
    90  func (a *adapter) MakeBids(request *openrtb2.BidRequest, requestData *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
    91  	if responseData.StatusCode == http.StatusNoContent {
    92  		return nil, nil
    93  	}
    94  
    95  	if responseData.StatusCode != http.StatusOK {
    96  		err := &errortypes.BadServerResponse{
    97  			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info.", responseData.StatusCode),
    98  		}
    99  		return nil, []error{err}
   100  	}
   101  
   102  	var response openrtb2.BidResponse
   103  	if err := json.Unmarshal(responseData.Body, &response); err != nil {
   104  		return nil, []error{err}
   105  	}
   106  
   107  	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
   108  	bidResponse.Currency = response.Cur
   109  	for _, seatBid := range response.SeatBid {
   110  		for i := range seatBid.Bid {
   111  			bidType, err := getMediaTypeForImp(seatBid.Bid[i].ImpID, request.Imp)
   112  			if err != nil {
   113  				return nil, []error{err}
   114  			}
   115  
   116  			b := &adapters.TypedBid{
   117  				Bid:     &seatBid.Bid[i],
   118  				BidType: bidType,
   119  			}
   120  			bidResponse.Bids = append(bidResponse.Bids, b)
   121  		}
   122  	}
   123  	return bidResponse, nil
   124  }
   125  
   126  func getMediaTypeForImp(impID string, imps []openrtb2.Imp) (openrtb_ext.BidType, error) {
   127  	for _, imp := range imps {
   128  		if imp.ID == impID {
   129  			if imp.Banner != nil {
   130  				return openrtb_ext.BidTypeBanner, nil
   131  			}
   132  			if imp.Video != nil {
   133  				return openrtb_ext.BidTypeVideo, nil
   134  			}
   135  			if imp.Native != nil {
   136  				return openrtb_ext.BidTypeNative, nil
   137  			}
   138  		}
   139  	}
   140  
   141  	return "", &errortypes.BadInput{
   142  		Message: fmt.Sprintf("Failed to find impression \"%s\"", impID),
   143  	}
   144  }