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

     1  package yieldone
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"net/http"
     7  
     8  	"github.com/prebid/openrtb/v19/openrtb2"
     9  	"github.com/prebid/prebid-server/adapters"
    10  	"github.com/prebid/prebid-server/config"
    11  	"github.com/prebid/prebid-server/errortypes"
    12  	"github.com/prebid/prebid-server/openrtb_ext"
    13  )
    14  
    15  type YieldoneAdapter struct {
    16  	endpoint string
    17  }
    18  
    19  // MakeRequests makes the HTTP requests which should be made to fetch bids.
    20  func (a *YieldoneAdapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
    21  	var errors = make([]error, 0)
    22  
    23  	var validImps []openrtb2.Imp
    24  	for i := 0; i < len(request.Imp); i++ {
    25  		if err := preprocess(&request.Imp[i]); err == nil {
    26  			validImps = append(validImps, request.Imp[i])
    27  		} else {
    28  			errors = append(errors, err)
    29  		}
    30  	}
    31  
    32  	request.Imp = validImps
    33  
    34  	reqJSON, err := json.Marshal(request)
    35  	if err != nil {
    36  		errors = append(errors, err)
    37  		return nil, errors
    38  	}
    39  
    40  	headers := http.Header{}
    41  	headers.Add("Content-Type", "application/json;charset=utf-8")
    42  
    43  	return []*adapters.RequestData{{
    44  		Method:  "POST",
    45  		Uri:     a.endpoint,
    46  		Body:    reqJSON,
    47  		Headers: headers,
    48  	}}, errors
    49  }
    50  
    51  // MakeBids unpacks the server's response into Bids.
    52  func (a *YieldoneAdapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
    53  	if response.StatusCode == http.StatusNoContent {
    54  		return nil, nil
    55  	}
    56  
    57  	if response.StatusCode == http.StatusBadRequest {
    58  		return nil, []error{&errortypes.BadInput{
    59  			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
    60  		}}
    61  	}
    62  
    63  	if response.StatusCode != http.StatusOK {
    64  		return nil, []error{&errortypes.BadServerResponse{
    65  			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
    66  		}}
    67  	}
    68  
    69  	var bidResp openrtb2.BidResponse
    70  	if err := json.Unmarshal(response.Body, &bidResp); err != nil {
    71  		return nil, []error{err}
    72  	}
    73  
    74  	bidResponse := adapters.NewBidderResponseWithBidsCapacity(1)
    75  
    76  	for _, sb := range bidResp.SeatBid {
    77  		for i := range sb.Bid {
    78  			bidType, err := getMediaTypeForImp(sb.Bid[i].ImpID, internalRequest.Imp)
    79  			if err != nil {
    80  				return nil, []error{err}
    81  			}
    82  
    83  			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
    84  				Bid:     &sb.Bid[i],
    85  				BidType: bidType,
    86  			})
    87  		}
    88  	}
    89  	if bidResp.Cur != "" {
    90  		bidResponse.Currency = bidResp.Cur
    91  	}
    92  	return bidResponse, nil
    93  
    94  }
    95  
    96  // Builder builds a new instance of the Yieldone adapter for the given bidder with the given config.
    97  func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
    98  	bidder := &YieldoneAdapter{
    99  		endpoint: config.Endpoint,
   100  	}
   101  	return bidder, nil
   102  }
   103  
   104  func preprocess(imp *openrtb2.Imp) error {
   105  
   106  	var ext adapters.ExtImpBidder
   107  	if err := json.Unmarshal(imp.Ext, &ext); err != nil {
   108  		return err
   109  	}
   110  	var impressionExt openrtb_ext.ExtImpYieldone
   111  	if err := json.Unmarshal(ext.Bidder, &impressionExt); err != nil {
   112  		return err
   113  	}
   114  
   115  	if imp.Banner != nil {
   116  		bannerCopy := *imp.Banner
   117  		if bannerCopy.W == nil && bannerCopy.H == nil && len(bannerCopy.Format) > 0 {
   118  			firstFormat := bannerCopy.Format[0]
   119  			bannerCopy.W = &(firstFormat.W)
   120  			bannerCopy.H = &(firstFormat.H)
   121  		}
   122  		imp.Banner = &bannerCopy
   123  	}
   124  
   125  	return nil
   126  }
   127  
   128  func getMediaTypeForImp(impID string, imps []openrtb2.Imp) (openrtb_ext.BidType, error) {
   129  	for _, imp := range imps {
   130  		if imp.ID == impID {
   131  			if imp.Banner != nil {
   132  				return openrtb_ext.BidTypeBanner, nil
   133  			}
   134  
   135  			if imp.Video != nil {
   136  				return openrtb_ext.BidTypeVideo, nil
   137  			}
   138  
   139  			return "", &errortypes.BadServerResponse{
   140  				Message: fmt.Sprintf("Unknown impression type for ID: \"%s\"", impID),
   141  			}
   142  		}
   143  	}
   144  
   145  	// This shouldnt happen. Lets handle it just incase by returning an error.
   146  	return "", &errortypes.BadServerResponse{
   147  		Message: fmt.Sprintf("Failed to find impression for ID: \"%s\"", impID),
   148  	}
   149  }