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New Adapter: LemmaDigital (prebid#3157)
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Co-authored-by: Tushar Pathare <[email protected]>
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@lm-ved @lm-tushar
lm-ved and lm-tushar authored Oct 16, 2023
1 parent 987e640 commit 05e06bb
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114 changes: 114 additions & 0 deletions adapters/lemmadigital/lemmadigital.go
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package lemmadigital

import (
"encoding/json"
"errors"
"fmt"
"strconv"
"text/template"

"github.com/prebid/openrtb/v19/openrtb2"
"github.com/prebid/prebid-server/adapters"
"github.com/prebid/prebid-server/config"
"github.com/prebid/prebid-server/errortypes"
"github.com/prebid/prebid-server/macros"
"github.com/prebid/prebid-server/openrtb_ext"
)

type adapter struct {
endpoint *template.Template
}

// Builder builds a new instance of the Lemmadigital adapter for the given bidder with the given config.
func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
template, err := template.New("endpointTemplate").Parse(config.Endpoint)
if err != nil {
return nil, fmt.Errorf("unable to parse endpoint url template: %v", err)
}

bidder := &adapter{
endpoint: template,
}
return bidder, nil
}

func (a *adapter) MakeRequests(request *openrtb2.BidRequest, requestInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
if len(request.Imp) == 0 {
return nil, []error{errors.New("Impression array should not be empty")}
}

var bidderExt adapters.ExtImpBidder
if err := json.Unmarshal(request.Imp[0].Ext, &bidderExt); err != nil {
return nil, []error{&errortypes.BadInput{
Message: fmt.Sprintf("Invalid imp.ext for impression index %d. Error Infomation: %s", 0, err.Error()),
}}
}

var impExt openrtb_ext.ImpExtLemmaDigital
if err := json.Unmarshal(bidderExt.Bidder, &impExt); err != nil {
return nil, []error{&errortypes.BadInput{
Message: fmt.Sprintf("Invalid imp.ext.bidder for impression index %d. Error Infomation: %s", 0, err.Error()),
}}
}

endpoint, err := a.buildEndpointURL(impExt)
if err != nil {
return nil, []error{err}
}

requestJSON, err := json.Marshal(request)
if err != nil {
return nil, []error{err}
}

requestData := &adapters.RequestData{
Method: "POST",
Uri: endpoint,
Body: requestJSON,
}

return []*adapters.RequestData{requestData}, nil
}

func (a *adapter) MakeBids(request *openrtb2.BidRequest, requestData *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
if adapters.IsResponseStatusCodeNoContent(responseData) {
return nil, nil
}

if err := adapters.CheckResponseStatusCodeForErrors(responseData); err != nil {
return nil, []error{err}
}

var response openrtb2.BidResponse
if err := json.Unmarshal(responseData.Body, &response); err != nil {
return nil, []error{err}
}

bidType := openrtb_ext.BidTypeBanner
if nil != request.Imp[0].Video {
bidType = openrtb_ext.BidTypeVideo
}

bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
if len(response.Cur) > 0 {
bidResponse.Currency = response.Cur
}
for _, seatBid := range response.SeatBid {
for i := range seatBid.Bid {
b := &adapters.TypedBid{
Bid: &seatBid.Bid[i],
BidType: bidType,
}
bidResponse.Bids = append(bidResponse.Bids, b)
}
break
}

return bidResponse, nil
}

func (a *adapter) buildEndpointURL(params openrtb_ext.ImpExtLemmaDigital) (string, error) {
endpointParams := macros.EndpointTemplateParams{PublisherID: strconv.Itoa(params.PublisherId),
AdUnit: strconv.Itoa(params.AdId)}
return macros.ResolveMacros(a.endpoint, endpointParams)
}
20 changes: 20 additions & 0 deletions adapters/lemmadigital/lemmadigital_test.go
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package lemmadigital

import (
"testing"

"github.com/prebid/prebid-server/adapters/adapterstest"
"github.com/prebid/prebid-server/config"
"github.com/prebid/prebid-server/openrtb_ext"
)

func TestJsonSamples(t *testing.T) {
bidder, buildErr := Builder(openrtb_ext.BidderLemmadigital, config.Adapter{
Endpoint: "https://sg.ads.lemmatechnologies.com/lemma/servad?pid={{.PublisherID}}&aid={{.AdUnit}}"}, config.Server{ExternalUrl: "http://hosturl.com", GvlID: 1, DataCenter: "2"})

if buildErr != nil {
t.Fatalf("Builder returned unexpected error %v", buildErr)
}

adapterstest.RunJSONBidderTest(t, "lemmadigitaltest", bidder)
}
110 changes: 110 additions & 0 deletions adapters/lemmadigital/lemmadigitaltest/exemplary/banner.json
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{
"mockBidRequest": {
"id": "test-request-id",
"imp": [{
"id": "test-imp-id",
"banner": {
"format": [{
"w": 1920,
"h": 1080
}],
"w": 1920,
"h": 1080
},
"ext": {
"bidder": {
"aid": 1,
"pid": 1
}
},
"bidfloor": 0.1
}],
"device": {
"ua": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"
},
"site": {
"id": "siteID",
"publisher": {
"id": "1"
}
}
},

"httpCalls": [{
"expectedRequest": {
"uri": "https://sg.ads.lemmatechnologies.com/lemma/servad?pid=1&aid=1",
"body": {
"id": "test-request-id",
"imp": [{
"id": "test-imp-id",
"banner": {
"format": [{
"w": 1920,
"h": 1080
}],
"w": 1920,
"h": 1080
},
"ext": {
"bidder": {
"aid": 1,
"pid": 1
}
},
"bidfloor": 0.1
}],
"device": {
"ua": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"
},
"site": {
"id": "siteID",
"publisher": {
"id": "1"
}
}
}
},
"mockResponse": {
"status": 200,
"body": {
"id": "test-request-id",
"seatbid": [{
"seat": "1",
"bid": [{
"id": "1239875642389471056",
"impid": "test-imp-id",
"price": 0.500000,
"adid": "1",
"adm": "some-test-ad",
"adomain": ["lemmadigital.com"],
"crid": "1",
"h": 1080,
"w": 1920,
"dealid": "test_deal"
}]
}],
"bidid": "1239875642389471056",
"cur": "USD"
}
}
}],

"expectedBidResponses": [{
"currency": "USD",
"bids": [{
"bid": {
"id": "1239875642389471056",
"impid": "test-imp-id",
"price": 0.5,
"adid": "1",
"adm": "some-test-ad",
"adomain": ["lemmadigital.com"],
"crid": "1",
"w": 1920,
"h": 1080,
"dealid": "test_deal"
},
"type": "banner"
}]
}]
}
144 changes: 144 additions & 0 deletions adapters/lemmadigital/lemmadigitaltest/exemplary/multi-imp.json
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{
"mockBidRequest": {
"id": "test-request-id",
"imp": [{
"id": "test-imp-id",
"banner": {
"format": [{
"w": 1920,
"h": 1080
}],
"h": 1080,
"w": 1920
},
"ext": {
"bidder": {
"aid": 1,
"pid": 1
}
},
"bidfloor": 0.1
}, {
"id": "test-imp-id-2",
"banner": {
"format": [{
"w": 1080,
"h": 1920
}],
"h": 1920,
"w": 1080
},
"ext": {
"bidder": {
"aid": 1,
"pid": 1
}
},
"bidfloor": 0.12
}],
"device": {
"ua": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"
},
"site": {
"id": "siteID",
"publisher": {
"id": "1"
}
}
},

"httpCalls": [{
"expectedRequest": {
"uri": "https://sg.ads.lemmatechnologies.com/lemma/servad?pid=1&aid=1",
"body": {
"id": "test-request-id",
"imp": [{
"id": "test-imp-id",
"banner": {
"format": [{
"w": 1920,
"h": 1080
}],
"h": 1080,
"w": 1920
},
"ext": {
"bidder": {
"aid": 1,
"pid": 1
}
},
"bidfloor": 0.1
}, {
"id": "test-imp-id-2",
"banner": {
"format": [{
"w": 1080,
"h": 1920
}],
"h": 1920,
"w": 1080
},
"ext": {
"bidder": {
"aid": 1,
"pid": 1
}
},
"bidfloor": 0.12
}],
"device": {
"ua": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"
},
"site": {
"id": "siteID",
"publisher": {
"id": "1"
}
}
}
},
"mockResponse": {
"status": 200,
"body": {
"id": "test-request-id",
"seatbid": [{
"seat": "1",
"bid": [{
"id": "1239875642389471056",
"impid": "test-imp-id",
"price": 0.500000,
"adid": "1",
"adm": "some-test-ad",
"adomain": ["lemmadigital.com"],
"crid": "1",
"h": 1080,
"w": 1920,
"dealid": "test_deal"
}]
}],
"bidid": "1239875642389471056",
"cur": "USD"
}
}
}],

"expectedBidResponses": [{
"currency": "USD",
"bids": [{
"bid": {
"id": "1239875642389471056",
"impid": "test-imp-id",
"price": 0.5,
"adid": "1",
"adm": "some-test-ad",
"adomain": ["lemmadigital.com"],
"crid": "1",
"w": 1920,
"h": 1080,
"dealid": "test_deal"
},
"type": "banner"
}]
}]
}
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