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

     1  package loyal
     2  
     3  import (
     4  	"encoding/json"
     5  	"errors"
     6  	"fmt"
     7  	"net/http"
     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  type adapter struct {
    16  	endpoint string
    17  }
    18  
    19  type reqBodyExt struct {
    20  	LoyalBidderExt reqBodyExtBidder `json:"bidder"`
    21  }
    22  
    23  type reqBodyExtBidder struct {
    24  	Type        string `json:"type"`
    25  	PlacementID string `json:"placementId,omitempty"`
    26  	EndpointID  string `json:"endpointId,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  	var errs []error
    38  	var adapterRequests []*adapters.RequestData
    39  
    40  	reqCopy := *request
    41  	for _, imp := range request.Imp {
    42  		reqCopy.Imp = []openrtb2.Imp{imp}
    43  
    44  		var bidderExt adapters.ExtImpBidder
    45  		var loyalExt openrtb_ext.ImpExtLoyal
    46  
    47  		if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
    48  			errs = append(errs, err)
    49  			continue
    50  		}
    51  		if err := json.Unmarshal(bidderExt.Bidder, &loyalExt); err != nil {
    52  			errs = append(errs, err)
    53  			continue
    54  		}
    55  
    56  		impExt := reqBodyExt{LoyalBidderExt: reqBodyExtBidder{}}
    57  
    58  		if loyalExt.PlacementID != "" {
    59  			impExt.LoyalBidderExt.PlacementID = loyalExt.PlacementID
    60  			impExt.LoyalBidderExt.Type = "publisher"
    61  		} else if loyalExt.EndpointID != "" {
    62  			impExt.LoyalBidderExt.EndpointID = loyalExt.EndpointID
    63  			impExt.LoyalBidderExt.Type = "network"
    64  		}
    65  
    66  		finalyImpExt, err := json.Marshal(impExt)
    67  		if err != nil {
    68  			errs = append(errs, err)
    69  			continue
    70  		}
    71  
    72  		reqCopy.Imp[0].Ext = finalyImpExt
    73  
    74  		adapterReq, err := a.makeRequest(&reqCopy)
    75  		if err != nil {
    76  			errs = append(errs, err)
    77  			continue
    78  		}
    79  
    80  		if adapterReq != nil {
    81  			adapterRequests = append(adapterRequests, adapterReq)
    82  		}
    83  	}
    84  
    85  	if len(adapterRequests) == 0 {
    86  		errs = append(errs, errors.New("found no valid impressions"))
    87  		return nil, errs
    88  	}
    89  
    90  	return adapterRequests, nil
    91  }
    92  
    93  func (a *adapter) makeRequest(request *openrtb2.BidRequest) (*adapters.RequestData, error) {
    94  	reqJSON, err := json.Marshal(request)
    95  	if err != nil {
    96  		return nil, err
    97  	}
    98  
    99  	headers := http.Header{}
   100  	headers.Add("Content-Type", "application/json;charset=utf-8")
   101  	headers.Add("Accept", "application/json")
   102  	return &adapters.RequestData{
   103  		Method:  "POST",
   104  		Uri:     a.endpoint,
   105  		Body:    reqJSON,
   106  		Headers: headers,
   107  		ImpIDs:  openrtb_ext.GetImpIDs(request.Imp),
   108  	}, nil
   109  }
   110  
   111  func (a *adapter) MakeBids(request *openrtb2.BidRequest, requestData *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
   112  	if adapters.IsResponseStatusCodeNoContent(responseData) {
   113  		return nil, nil
   114  	}
   115  
   116  	if err := adapters.CheckResponseStatusCodeForErrors(responseData); err != nil {
   117  		return nil, []error{err}
   118  	}
   119  
   120  	var response openrtb2.BidResponse
   121  	if err := json.Unmarshal(responseData.Body, &response); err != nil {
   122  		return nil, []error{err}
   123  	}
   124  
   125  	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
   126  	if len(response.Cur) != 0 {
   127  		bidResponse.Currency = response.Cur
   128  	}
   129  
   130  	for _, seatBid := range response.SeatBid {
   131  		for i := range seatBid.Bid {
   132  			bidType, err := getBidMediaType(&seatBid.Bid[i])
   133  			if err != nil {
   134  				return nil, []error{err}
   135  			}
   136  
   137  			b := &adapters.TypedBid{
   138  				Bid:     &seatBid.Bid[i],
   139  				BidType: bidType,
   140  			}
   141  			bidResponse.Bids = append(bidResponse.Bids, b)
   142  		}
   143  	}
   144  	return bidResponse, nil
   145  }
   146  
   147  func getBidMediaType(bid *openrtb2.Bid) (openrtb_ext.BidType, error) {
   148  	var extBid openrtb_ext.ExtBid
   149  	err := json.Unmarshal(bid.Ext, &extBid)
   150  	if err != nil {
   151  		return "", fmt.Errorf("unable to deserialize imp %v bid.ext, error: %v", bid.ImpID, err)
   152  	}
   153  
   154  	if extBid.Prebid == nil {
   155  		return "", fmt.Errorf("imp %v with unknown media type", bid.ImpID)
   156  	}
   157  
   158  	switch extBid.Prebid.Type {
   159  	case openrtb_ext.BidTypeBanner, openrtb_ext.BidTypeVideo, openrtb_ext.BidTypeNative:
   160  		return extBid.Prebid.Type, nil
   161  	default:
   162  		return "", fmt.Errorf("invalid BidType: %s", extBid.Prebid.Type)
   163  	}
   164  }