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

     1  package aax
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"net/http"
     7  	"net/url"
     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 adapter struct {
    17  	endpoint string
    18  }
    19  
    20  type aaxResponseBidExt struct {
    21  	AdCodeType string `json:"adCodeType"`
    22  }
    23  
    24  func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
    25  	var errs []error
    26  
    27  	reqJson, err := json.Marshal(request)
    28  	if err != nil {
    29  		errs = append(errs, err)
    30  		return nil, errs
    31  	}
    32  
    33  	headers := http.Header{}
    34  	headers.Add("Content-Type", "application/json;charset=utf-8")
    35  
    36  	return []*adapters.RequestData{{
    37  		Method:  "POST",
    38  		Uri:     a.endpoint,
    39  		Body:    reqJson,
    40  		Headers: headers,
    41  	}}, errs
    42  }
    43  
    44  func (a *adapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
    45  	var errs []error
    46  
    47  	if response.StatusCode == http.StatusNoContent {
    48  		return nil, nil
    49  	}
    50  
    51  	if response.StatusCode == http.StatusBadRequest {
    52  		return nil, []error{&errortypes.BadInput{
    53  			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
    54  		}}
    55  	}
    56  
    57  	if response.StatusCode != http.StatusOK {
    58  		return nil, []error{&errortypes.BadServerResponse{
    59  			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
    60  		}}
    61  	}
    62  
    63  	var bidResp openrtb2.BidResponse
    64  
    65  	if err := json.Unmarshal(response.Body, &bidResp); err != nil {
    66  		return nil, []error{err}
    67  	}
    68  
    69  	bidResponse := adapters.NewBidderResponse()
    70  
    71  	for _, seatBid := range bidResp.SeatBid {
    72  		for i := range seatBid.Bid {
    73  			bidType, err := getMediaTypeForImp(seatBid.Bid[i], internalRequest.Imp)
    74  			if err != nil {
    75  				errs = append(errs, err)
    76  			} else {
    77  				b := &adapters.TypedBid{
    78  					Bid:     &seatBid.Bid[i],
    79  					BidType: bidType,
    80  				}
    81  				bidResponse.Bids = append(bidResponse.Bids, b)
    82  			}
    83  		}
    84  	}
    85  	return bidResponse, errs
    86  }
    87  
    88  // Builder builds a new instance of the Aax adapter for the given bidder with the given config.
    89  func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
    90  	url := buildEndpoint(config.Endpoint, config.ExtraAdapterInfo)
    91  	return &adapter{
    92  		endpoint: url,
    93  	}, nil
    94  }
    95  
    96  func getMediaTypeForImp(bid openrtb2.Bid, imps []openrtb2.Imp) (openrtb_ext.BidType, error) {
    97  	var bidExt aaxResponseBidExt
    98  	err := json.Unmarshal(bid.Ext, &bidExt)
    99  	if err == nil {
   100  		switch bidExt.AdCodeType {
   101  		case "banner":
   102  			return openrtb_ext.BidTypeBanner, nil
   103  		case "native":
   104  			return openrtb_ext.BidTypeNative, nil
   105  		case "video":
   106  			return openrtb_ext.BidTypeVideo, nil
   107  		}
   108  	}
   109  
   110  	var mediaType openrtb_ext.BidType
   111  	var typeCnt = 0
   112  	for _, imp := range imps {
   113  		if imp.ID == bid.ImpID {
   114  			if imp.Banner != nil {
   115  				typeCnt += 1
   116  				mediaType = openrtb_ext.BidTypeBanner
   117  			}
   118  			if imp.Native != nil {
   119  				typeCnt += 1
   120  				mediaType = openrtb_ext.BidTypeNative
   121  			}
   122  			if imp.Video != nil {
   123  				typeCnt += 1
   124  				mediaType = openrtb_ext.BidTypeVideo
   125  			}
   126  		}
   127  	}
   128  	if typeCnt == 1 {
   129  		return mediaType, nil
   130  	}
   131  	return mediaType, fmt.Errorf("unable to fetch mediaType in multi-format: %s", bid.ImpID)
   132  }
   133  
   134  func buildEndpoint(aaxUrl, hostUrl string) string {
   135  
   136  	if len(hostUrl) == 0 {
   137  		return aaxUrl
   138  	}
   139  	urlObject, err := url.Parse(aaxUrl)
   140  	if err != nil {
   141  		return aaxUrl
   142  	}
   143  	values := urlObject.Query()
   144  	values.Add("src", hostUrl)
   145  	urlObject.RawQuery = values.Encode()
   146  	return urlObject.String()
   147  }