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

     1  package adf
     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 adapter struct {
    16  	endpoint string
    17  }
    18  
    19  type adfRequestExt struct {
    20  	openrtb_ext.ExtRequest
    21  	PriceType string `json:"pt"`
    22  }
    23  
    24  // Builder builds a new instance of the Adf adapter for the given bidder with the given config.
    25  func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
    26  	bidder := &adapter{
    27  		endpoint: config.Endpoint,
    28  	}
    29  	return bidder, nil
    30  }
    31  
    32  func (a *adapter) MakeRequests(request *openrtb2.BidRequest, requestInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
    33  	var errors []error
    34  	var validImps = make([]openrtb2.Imp, 0, len(request.Imp))
    35  	priceType := ""
    36  
    37  	for _, imp := range request.Imp {
    38  		var bidderExt adapters.ExtImpBidder
    39  		if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
    40  			errors = append(errors, &errortypes.BadInput{
    41  				Message: err.Error(),
    42  			})
    43  			continue
    44  		}
    45  
    46  		var adfImpExt openrtb_ext.ExtImpAdf
    47  		if err := json.Unmarshal(bidderExt.Bidder, &adfImpExt); err != nil {
    48  			errors = append(errors, &errortypes.BadInput{
    49  				Message: err.Error(),
    50  			})
    51  			continue
    52  		}
    53  
    54  		imp.TagID = adfImpExt.MasterTagID.String()
    55  		validImps = append(validImps, imp)
    56  
    57  		// If imps specify priceType they should all be the same. If they differ, only the first one will be used
    58  		if adfImpExt.PriceType != "" && priceType == "" {
    59  			priceType = adfImpExt.PriceType
    60  		}
    61  	}
    62  
    63  	if priceType != "" {
    64  		requestExt := adfRequestExt{}
    65  		var err error
    66  
    67  		if len(request.Ext) > 0 {
    68  			if err = json.Unmarshal(request.Ext, &requestExt); err != nil {
    69  				errors = append(errors, err)
    70  			}
    71  		}
    72  
    73  		if err == nil {
    74  			requestExt.PriceType = priceType
    75  
    76  			if request.Ext, err = json.Marshal(&requestExt); err != nil {
    77  				errors = append(errors, err)
    78  			}
    79  		}
    80  	}
    81  
    82  	request.Imp = validImps
    83  
    84  	requestJSON, err := json.Marshal(request)
    85  	if err != nil {
    86  		errors = append(errors, err)
    87  		return nil, errors
    88  	}
    89  
    90  	requestData := &adapters.RequestData{
    91  		Method: "POST",
    92  		Uri:    a.endpoint,
    93  		Body:   requestJSON,
    94  	}
    95  
    96  	return []*adapters.RequestData{requestData}, errors
    97  }
    98  
    99  func (a *adapter) MakeBids(request *openrtb2.BidRequest, requestData *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
   100  	if responseData.StatusCode == http.StatusNoContent {
   101  		return nil, nil
   102  	}
   103  
   104  	if responseData.StatusCode == http.StatusBadRequest {
   105  		err := &errortypes.BadInput{
   106  			Message: "Unexpected status code: 400. Bad request from publisher.",
   107  		}
   108  		return nil, []error{err}
   109  	}
   110  
   111  	if responseData.StatusCode != http.StatusOK {
   112  		err := &errortypes.BadServerResponse{
   113  			Message: fmt.Sprintf("Unexpected status code: %d.", responseData.StatusCode),
   114  		}
   115  		return nil, []error{err}
   116  	}
   117  
   118  	var response openrtb2.BidResponse
   119  	if err := json.Unmarshal(responseData.Body, &response); err != nil {
   120  		return nil, []error{err}
   121  	}
   122  
   123  	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
   124  	bidResponse.Currency = response.Cur
   125  	var errors []error
   126  	for _, seatBid := range response.SeatBid {
   127  		for i, bid := range seatBid.Bid {
   128  			bidType, err := getMediaTypeForBid(bid)
   129  			if err != nil {
   130  				errors = append(errors, err)
   131  				continue
   132  			}
   133  			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
   134  				Bid:     &seatBid.Bid[i],
   135  				BidType: bidType,
   136  			})
   137  		}
   138  	}
   139  
   140  	return bidResponse, errors
   141  }
   142  
   143  func getMediaTypeForBid(bid openrtb2.Bid) (openrtb_ext.BidType, error) {
   144  	if bid.Ext != nil {
   145  		var bidExt openrtb_ext.ExtBid
   146  		err := json.Unmarshal(bid.Ext, &bidExt)
   147  		if err == nil && bidExt.Prebid != nil {
   148  			return openrtb_ext.ParseBidType(string(bidExt.Prebid.Type))
   149  		}
   150  	}
   151  
   152  	return "", &errortypes.BadServerResponse{
   153  		Message: fmt.Sprintf("Failed to parse impression \"%s\" mediatype", bid.ImpID),
   154  	}
   155  }