github.com/prebid/prebid-server@v0.275.0/adapters/mgid/mgid.go (about)

     1  package mgid
     2  
     3  import (
     4  	"bytes"
     5  	"encoding/json"
     6  	"fmt"
     7  	"net/http"
     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/errortypes"
    13  	"github.com/prebid/prebid-server/openrtb_ext"
    14  )
    15  
    16  type MgidAdapter struct {
    17  	endpoint string
    18  }
    19  
    20  type ReqExt struct {
    21  	PlacementId string `json:"placementId"`
    22  	AccountId   string `json:"accountId"`
    23  }
    24  
    25  type RespBidExt struct {
    26  	CreativeType openrtb_ext.BidType `json:"crtype"`
    27  }
    28  
    29  func (a *MgidAdapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) (adapterRequests []*adapters.RequestData, errs []error) {
    30  
    31  	adapterReq, errs := a.makeRequest(request)
    32  	if adapterReq != nil && len(errs) == 0 {
    33  		adapterRequests = append(adapterRequests, adapterReq)
    34  	}
    35  
    36  	return
    37  }
    38  
    39  func (a *MgidAdapter) makeRequest(request *openrtb2.BidRequest) (*adapters.RequestData, []error) {
    40  	var errs []error
    41  
    42  	path, err := preprocess(request)
    43  	if err != nil {
    44  		errs = append(errs, err)
    45  		return nil, errs
    46  	}
    47  
    48  	// Last Step
    49  	reqJSON, err := json.Marshal(request)
    50  	if err != nil {
    51  		errs = append(errs, err)
    52  		return nil, errs
    53  	}
    54  
    55  	headers := http.Header{}
    56  	headers.Add("Content-Type", "application/json;charset=utf-8")
    57  	headers.Add("Accept", "application/json")
    58  
    59  	return &adapters.RequestData{
    60  		Method:  "POST",
    61  		Uri:     a.endpoint + path,
    62  		Body:    reqJSON,
    63  		Headers: headers,
    64  	}, errs
    65  }
    66  
    67  // Mutate the request to get it ready to send to yieldmo.
    68  func preprocess(request *openrtb2.BidRequest) (path string, err error) {
    69  	if request.TMax == 0 {
    70  		request.TMax = 200
    71  	}
    72  	for i := 0; i < len(request.Imp); i++ {
    73  		var imp = request.Imp[i]
    74  		var bidderExt adapters.ExtImpBidder
    75  
    76  		if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
    77  			return "", &errortypes.BadInput{
    78  				Message: err.Error(),
    79  			}
    80  		}
    81  
    82  		var mgidExt openrtb_ext.ExtImpMgid
    83  
    84  		if err := json.Unmarshal(bidderExt.Bidder, &mgidExt); err != nil {
    85  			return "", &errortypes.BadInput{
    86  				Message: err.Error(),
    87  			}
    88  		}
    89  
    90  		if path == "" {
    91  			path = mgidExt.AccountId
    92  		}
    93  		if mgidExt.PlacementId == "" {
    94  			request.Imp[i].TagID = imp.ID
    95  		} else {
    96  			request.Imp[i].TagID = mgidExt.PlacementId + "/" + imp.ID
    97  		}
    98  
    99  		cur := ""
   100  		if mgidExt.Currency != "" && mgidExt.Currency != "USD" {
   101  			cur = mgidExt.Currency
   102  		}
   103  		if cur == "" && mgidExt.Cur != "" && mgidExt.Cur != "USD" {
   104  			cur = mgidExt.Cur
   105  		}
   106  		bidfloor := mgidExt.BidFloor
   107  		if bidfloor <= 0 {
   108  			bidfloor = mgidExt.BidFloor2
   109  		}
   110  		if bidfloor > 0 {
   111  			request.Imp[i].BidFloor = bidfloor
   112  		}
   113  		if cur != "" {
   114  			request.Imp[i].BidFloorCur = cur
   115  		}
   116  	}
   117  	if path == "" {
   118  		return "", &errortypes.BadInput{
   119  			Message: "accountId is not set",
   120  		}
   121  	}
   122  
   123  	return
   124  }
   125  
   126  func (a *MgidAdapter) MakeBids(bidReq *openrtb2.BidRequest, unused *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
   127  	if response.StatusCode == http.StatusNoContent {
   128  		return nil, nil
   129  	}
   130  
   131  	if response.StatusCode == http.StatusBadRequest {
   132  		return nil, []error{&errortypes.BadInput{
   133  			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
   134  		}}
   135  	}
   136  
   137  	if response.StatusCode != http.StatusOK {
   138  		return nil, []error{&errortypes.BadServerResponse{
   139  			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
   140  		}}
   141  	}
   142  
   143  	var bidResp openrtb2.BidResponse
   144  
   145  	if err := json.Unmarshal(response.Body, &bidResp); err != nil {
   146  		return nil, []error{err}
   147  	}
   148  
   149  	bidResponse := adapters.NewBidderResponseWithBidsCapacity(1)
   150  
   151  	bidResponse.Currency = bidResp.Cur
   152  
   153  	for _, sb := range bidResp.SeatBid {
   154  		for i := range sb.Bid {
   155  			bidType := openrtb_ext.BidTypeBanner
   156  			if len(sb.Bid[i].Ext) > 0 && bytes.Contains(sb.Bid[i].Ext, []byte("crtype")) {
   157  				ext := RespBidExt{}
   158  				if err := json.Unmarshal(sb.Bid[i].Ext, &ext); err == nil && len(ext.CreativeType) > 0 {
   159  					bidType = ext.CreativeType
   160  				}
   161  			}
   162  			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
   163  				Bid:     &sb.Bid[i],
   164  				BidType: bidType,
   165  			})
   166  		}
   167  	}
   168  	return bidResponse, nil
   169  }
   170  
   171  // Builder builds a new instance of the Mgid adapter for the given bidder with the given config.
   172  func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
   173  	bidder := &MgidAdapter{
   174  		endpoint: config.Endpoint,
   175  	}
   176  	return bidder, nil
   177  }