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

     1  package zmaticoo
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"net/http"
     7  
     8  	"github.com/prebid/openrtb/v20/openrtb2"
     9  	"github.com/prebid/prebid-server/v2/adapters"
    10  	"github.com/prebid/prebid-server/v2/config"
    11  	"github.com/prebid/prebid-server/v2/errortypes"
    12  	"github.com/prebid/prebid-server/v2/openrtb_ext"
    13  )
    14  
    15  type adapter struct {
    16  	endpoint string
    17  }
    18  
    19  // Builder builds a new instance of the zmaticoo adapter for the given bidder with the given config.
    20  func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
    21  	return &adapter{
    22  		endpoint: config.Endpoint,
    23  	}, nil
    24  }
    25  
    26  func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
    27  	adapterRequest, errs := a.makeRequest(request)
    28  	if errs != nil {
    29  		return nil, errs
    30  	}
    31  	return []*adapters.RequestData{adapterRequest}, nil
    32  
    33  }
    34  
    35  func (a *adapter) makeRequest(request *openrtb2.BidRequest) (*adapters.RequestData, []error) {
    36  	errs := validateZmaticooExt(request)
    37  	if errs != nil {
    38  		return nil, errs
    39  	}
    40  	err := transform(request)
    41  	if err != nil {
    42  		return nil, append(errs, err)
    43  	}
    44  	reqBody, err := json.Marshal(request)
    45  	if err != nil {
    46  		return nil, append(errs, err)
    47  	}
    48  	headers := http.Header{}
    49  	headers.Add("Content-Type", "application/json;charset=utf-8")
    50  	return &adapters.RequestData{
    51  		Method:  "POST",
    52  		Uri:     a.endpoint,
    53  		Body:    reqBody,
    54  		Headers: headers,
    55  		ImpIDs:  openrtb_ext.GetImpIDs(request.Imp),
    56  	}, errs
    57  }
    58  
    59  func transform(request *openrtb2.BidRequest) error {
    60  	for i, imp := range request.Imp {
    61  		if imp.Native != nil {
    62  			var nativeRequest map[string]interface{}
    63  			nativeCopyRequest := make(map[string]interface{})
    64  			if err := json.Unmarshal([]byte(request.Imp[i].Native.Request), &nativeRequest); err != nil {
    65  				return err
    66  			}
    67  			_, exists := nativeRequest["native"]
    68  			if exists {
    69  				continue
    70  			}
    71  			nativeCopyRequest["native"] = nativeRequest
    72  			nativeReqByte, err := json.Marshal(nativeCopyRequest)
    73  			if err != nil {
    74  				return err
    75  			}
    76  			nativeCopy := *request.Imp[i].Native
    77  			nativeCopy.Request = string(nativeReqByte)
    78  			request.Imp[i].Native = &nativeCopy
    79  		}
    80  	}
    81  	return nil
    82  }
    83  
    84  func validateZmaticooExt(request *openrtb2.BidRequest) []error {
    85  	var extImpZmaticoo openrtb_ext.ExtImpZmaticoo
    86  	var errs []error
    87  	for _, imp := range request.Imp {
    88  		var extBidder adapters.ExtImpBidder
    89  		err := json.Unmarshal(imp.Ext, &extBidder)
    90  		if err != nil {
    91  			errs = append(errs, err)
    92  			continue
    93  		}
    94  		err = json.Unmarshal(extBidder.Bidder, &extImpZmaticoo)
    95  		if err != nil {
    96  			errs = append(errs, err)
    97  			continue
    98  		}
    99  		if extImpZmaticoo.ZoneId == "" || extImpZmaticoo.PubId == "" {
   100  			errs = append(errs, fmt.Errorf("imp.ext.pubId or imp.ext.zoneId required"))
   101  			continue
   102  		}
   103  	}
   104  	return errs
   105  
   106  }
   107  
   108  // MakeBids make the bids for the bid response.
   109  func (a *adapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
   110  	if adapters.IsResponseStatusCodeNoContent(response) {
   111  		return nil, nil
   112  	}
   113  	if err := adapters.CheckResponseStatusCodeForErrors(response); err != nil {
   114  		return nil, []error{&errortypes.BadInput{
   115  			Message: fmt.Sprintf("Unexpected status code: %d.", response.StatusCode),
   116  		}}
   117  	}
   118  	var bidResp openrtb2.BidResponse
   119  	if err := json.Unmarshal(response.Body, &bidResp); err != nil {
   120  		return nil, []error{err}
   121  	}
   122  	var errs []error
   123  	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(internalRequest.Imp))
   124  	for _, sb := range bidResp.SeatBid {
   125  		for i := range sb.Bid {
   126  			mediaType, err := getMediaTypeForBid(sb.Bid[i])
   127  			if err != nil {
   128  				errs = append(errs, err)
   129  				continue
   130  			}
   131  			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
   132  				Bid:     &sb.Bid[i],
   133  				BidType: mediaType,
   134  			})
   135  		}
   136  	}
   137  	return bidResponse, errs
   138  }
   139  
   140  func getMediaTypeForBid(bid openrtb2.Bid) (openrtb_ext.BidType, error) {
   141  	switch bid.MType {
   142  	case openrtb2.MarkupBanner:
   143  		return openrtb_ext.BidTypeBanner, nil
   144  	case openrtb2.MarkupNative:
   145  		return openrtb_ext.BidTypeNative, nil
   146  	case openrtb2.MarkupVideo:
   147  		return openrtb_ext.BidTypeVideo, nil
   148  	default:
   149  		return "", fmt.Errorf("unrecognized bid type in response from zmaticoo for bid %s", bid.ImpID)
   150  	}
   151  }