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

     1  package mgidX
     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  	MgidXBidderExt 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 err 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 mgidXExt openrtb_ext.ImpExtMgidX
    46  
    47  		if err = json.Unmarshal(reqCopy.Imp[0].Ext, &bidderExt); err != nil {
    48  			return nil, []error{err}
    49  		}
    50  		if err = json.Unmarshal(bidderExt.Bidder, &mgidXExt); err != nil {
    51  			return nil, []error{err}
    52  		}
    53  
    54  		impExt := reqBodyExt{MgidXBidderExt: reqBodyExtBidder{}}
    55  
    56  		if mgidXExt.PlacementID != "" {
    57  			impExt.MgidXBidderExt.PlacementID = mgidXExt.PlacementID
    58  			impExt.MgidXBidderExt.Type = "publisher"
    59  		} else if mgidXExt.EndpointID != "" {
    60  			impExt.MgidXBidderExt.EndpointID = mgidXExt.EndpointID
    61  			impExt.MgidXBidderExt.Type = "network"
    62  		} else {
    63  			continue
    64  		}
    65  
    66  		finalyImpExt, err := json.Marshal(impExt)
    67  		if err != nil {
    68  			return nil, []error{err}
    69  		}
    70  
    71  		reqCopy.Imp[0].Ext = finalyImpExt
    72  
    73  		adapterReq, err := a.makeRequest(&reqCopy)
    74  		if err != nil {
    75  			return nil, []error{err}
    76  		}
    77  
    78  		if adapterReq != nil {
    79  			adapterRequests = append(adapterRequests, adapterReq)
    80  		}
    81  	}
    82  
    83  	if len(adapterRequests) == 0 {
    84  		return nil, []error{errors.New("found no valid impressions")}
    85  	}
    86  
    87  	return adapterRequests, nil
    88  }
    89  
    90  func (a *adapter) makeRequest(request *openrtb2.BidRequest) (*adapters.RequestData, error) {
    91  	reqJSON, err := json.Marshal(request)
    92  	if err != nil {
    93  		return nil, err
    94  	}
    95  
    96  	headers := http.Header{}
    97  	headers.Add("Content-Type", "application/json;charset=utf-8")
    98  	headers.Add("Accept", "application/json")
    99  	return &adapters.RequestData{
   100  		Method:  "POST",
   101  		Uri:     a.endpoint,
   102  		Body:    reqJSON,
   103  		Headers: headers,
   104  		ImpIDs:  openrtb_ext.GetImpIDs(request.Imp),
   105  	}, nil
   106  }
   107  
   108  func (a *adapter) MakeBids(request *openrtb2.BidRequest, requestData *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
   109  	if adapters.IsResponseStatusCodeNoContent(responseData) {
   110  		return nil, nil
   111  	}
   112  
   113  	if err := adapters.CheckResponseStatusCodeForErrors(responseData); err != nil {
   114  		return nil, []error{err}
   115  	}
   116  
   117  	var response openrtb2.BidResponse
   118  	if err := json.Unmarshal(responseData.Body, &response); err != nil {
   119  		return nil, []error{err}
   120  	}
   121  
   122  	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
   123  	bidResponse.Currency = response.Cur
   124  
   125  	impsMappedByID := make(map[string]openrtb2.Imp, len(request.Imp))
   126  	for i, imp := range request.Imp {
   127  		impsMappedByID[request.Imp[i].ID] = imp
   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", bid.ImpID)
   152  	}
   153  
   154  	if extBid.Prebid == nil {
   155  		return "", fmt.Errorf("imp %v with unknown media type", bid.ImpID)
   156  	}
   157  
   158  	return extBid.Prebid.Type, nil
   159  }