New Adapter: TradPlus

adapters/tradplus/params_test.go

@@ -0,0 +1,48 @@
+package tradplus
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/prebid/prebid-server/v2/openrtb_ext"
+)
+
+func TestValidParams(t *testing.T) {
+	validator, err := openrtb_ext.NewBidderParamsValidator("../../static/bidder-params")
+	if err != nil {
+		t.Fatalf("Failed to fetch the json-schemas. %v", err)
+	}
+
+	for _, validParam := range validParams {
+		if err := validator.Validate(openrtb_ext.BidderTradPlus, json.RawMessage(validParam)); err != nil {
+			t.Errorf("Schema rejected tradplus params: %s", validParam)
+		}
+	}
+}
+
+// TestInvalidParams makes sure that the tradplus schema rejects all the imp.ext fields we don't support.
+func TestInvalidParams(t *testing.T) {
+	validator, err := openrtb_ext.NewBidderParamsValidator("../../static/bidder-params")
+	if err != nil {
+		t.Fatalf("Failed to fetch the json-schemas. %v", err)
+	}
+
+	for _, invalidParam := range invalidParams {
+		if err := validator.Validate(openrtb_ext.BidderTradPlus, json.RawMessage(invalidParam)); err == nil {
+			t.Errorf("Schema allowed unexpected params: %s", invalidParam)
+		}
+	}
+}
+
+var validParams = []string{
+	`{"accountId": "11233", "zoneId": ""}`,
+	`{"accountId": "aaa", "accountId": "us"}`,
+	`{"accountId": "aa", "accountId": "sin"}`,
+}
+
+var invalidParams = []string{
+	`{"accountId": ""}`,
+	`{"accountId": "", "zoneId": ""}`,
+	`{"accountId": "", "zoneId": "sin"}`,
+	`{"zoneId": "aaa"}`,
+}

adapters/tradplus/tradplus.go

@@ -0,0 +1,197 @@
+package tradplus
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"text/template"
+
+	"github.com/prebid/openrtb/v20/openrtb2"
+	"github.com/prebid/prebid-server/v2/adapters"
+	"github.com/prebid/prebid-server/v2/config"
+	"github.com/prebid/prebid-server/v2/errortypes"
+	"github.com/prebid/prebid-server/v2/macros"
+	"github.com/prebid/prebid-server/v2/openrtb_ext"
+)
+
+type adapter struct {
+	endpoint *template.Template
+}
+
+// Builder builds a new instance of the tradplus 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)
+	}
+
+	return &adapter{
+		endpoint: template,
+	}, nil
+}
+
+func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
+	adapterRequest, errs := a.makeRequest(request)
+	if errs != nil {
+		return nil, errs
+	}
+	return []*adapters.RequestData{adapterRequest}, nil
+}
+
+func (a *adapter) makeRequest(request *openrtb2.BidRequest) (*adapters.RequestData, []error) {
+	errs := validateTradPlusExt(request)
+	if errs != nil {
+		return nil, errs
+	}
+
+	tradplusExt, err := getImpressionExt(&request.Imp[0])
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	request.Imp[0].Ext = nil
+
+	url, err := a.buildEndpointURL(tradplusExt)
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	err = transform(request)
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	reqBody, err := json.Marshal(request)
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	headers := http.Header{}
+	headers.Add("Content-Type", "application/json;charset=utf-8")
+	return &adapters.RequestData{
+		Method:  "POST",
+		Uri:     url,
+		Body:    reqBody,
+		Headers: headers,
+		ImpIDs:  openrtb_ext.GetImpIDs(request.Imp),
+	}, nil
+}
+
+func getImpressionExt(imp *openrtb2.Imp) (*openrtb_ext.ExtImpTradPlus, error) {
+	var bidderExt adapters.ExtImpBidder
+	if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
+		return nil, &errortypes.BadInput{
+			Message: "Error parsing tradplusExt - " + err.Error(),
+		}
+	}
+
+	var tradplusExt openrtb_ext.ExtImpTradPlus
+	if err := json.Unmarshal(bidderExt.Bidder, &tradplusExt); err != nil {
+		return nil, &errortypes.BadInput{
+			Message: "Error parsing bidderExt - " + err.Error(),
+		}
+	}
+
+	return &tradplusExt, nil
+}
+
+func (a *adapter) buildEndpointURL(params *openrtb_ext.ExtImpTradPlus) (string, error) {
+	endpointParams := macros.EndpointTemplateParams{
+		AccountID: params.AccountID,
+		ZoneID:    params.ZoneID,
+	}
+	return macros.ResolveMacros(a.endpoint, endpointParams)
+}
+
+func transform(request *openrtb2.BidRequest) error {
+	for i, imp := range request.Imp {
+		if imp.Native != nil {
+			var nativeRequest map[string]interface{}
+			nativeCopyRequest := make(map[string]interface{})
+			if err := json.Unmarshal([]byte(request.Imp[i].Native.Request), &nativeRequest); err != nil {
+				return err
+			}
+			_, exists := nativeRequest["native"]
+			if exists {
+				continue
+			}
+			nativeCopyRequest["native"] = nativeRequest
+			nativeReqByte, err := json.Marshal(nativeCopyRequest)
+			if err != nil {
+				return err
+			}
+			nativeCopy := *request.Imp[i].Native
+			nativeCopy.Request = string(nativeReqByte)
+			request.Imp[i].Native = &nativeCopy
+		}
+	}
+	return nil
+}
+
+func validateTradPlusExt(request *openrtb2.BidRequest) []error {
+	var extImpTradPlus openrtb_ext.ExtImpTradPlus
+	var errs []error
+	for _, imp := range request.Imp {
+		var extBidder adapters.ExtImpBidder
+		err := json.Unmarshal(imp.Ext, &extBidder)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+		err = json.Unmarshal(extBidder.Bidder, &extImpTradPlus)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+		if extImpTradPlus.AccountID == "" {
+			errs = append(errs, fmt.Errorf("imp.ext.accountId required"))
+			continue
+		}
+	}
+	return errs
+}
+
+// MakeBids make the bids for the bid response.
+func (a *adapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
+	if adapters.IsResponseStatusCodeNoContent(response) {
+		return nil, nil
+	}
+	if err := adapters.CheckResponseStatusCodeForErrors(response); err != nil {
+		return nil, []error{&errortypes.BadInput{
+			Message: fmt.Sprintf("Unexpected status code: %d.", response.StatusCode),
+		}}
+	}
+	var bidResp openrtb2.BidResponse
+	if err := json.Unmarshal(response.Body, &bidResp); err != nil {
+		return nil, []error{err}
+	}
+	var errs []error
+	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(internalRequest.Imp))
+	for _, sb := range bidResp.SeatBid {
+		for i := range sb.Bid {
+			mediaType, err := getMediaTypeForBid(sb.Bid[i])
+			if err != nil {
+				errs = append(errs, err)
+				continue
+			}
+			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
+				Bid:     &sb.Bid[i],
+				BidType: mediaType,
+			})
+		}
+	}
+	return bidResponse, errs
+}
+
+func getMediaTypeForBid(bid openrtb2.Bid) (openrtb_ext.BidType, error) {
+	switch bid.MType {
+	case openrtb2.MarkupBanner:
+		return openrtb_ext.BidTypeBanner, nil
+	case openrtb2.MarkupNative:
+		return openrtb_ext.BidTypeNative, nil
+	case openrtb2.MarkupVideo:
+		return openrtb_ext.BidTypeVideo, nil
+	default:
+		return "", fmt.Errorf("unrecognized bid type in response from tradplus for bid %s", bid.ImpID)
+	}
+}

adapters/tradplus/tradplus_test.go

@@ -0,0 +1,29 @@
+package tradplus
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/prebid/prebid-server/v2/adapters/adapterstest"
+	"github.com/prebid/prebid-server/v2/config"
+	"github.com/prebid/prebid-server/v2/openrtb_ext"
+)
+
+func TestJsonSamples(t *testing.T) {
+	bidder, buildErr := Builder(openrtb_ext.BidderTradPlus, config.Adapter{
+		Endpoint: "https://{{.ZoneID}}adx.tradplusad.com/{{.AccountID}}/pserver"}, config.Server{ExternalUrl: "http://hosturl.com", GvlID: 1, DataCenter: "2"})
+
+	if buildErr != nil {
+		t.Fatalf("Builder returned unexpected error %v", buildErr)
+	}
+
+	adapterstest.RunJSONBidderTest(t, "tradplustest", bidder)
+}
+
+func TestEndpointTemplateMalformed(t *testing.T) {
+	_, buildErr := Builder(openrtb_ext.BidderTradPlus, config.Adapter{
+		Endpoint: "{{Malformed}}"}, config.Server{ExternalUrl: "http://hosturl.com", GvlID: 1, DataCenter: "2"})
+
+	assert.Error(t, buildErr)
+}

adapters/tradplus/tradplustest/exemplary/no-bid.json

@@ -0,0 +1,53 @@
+{
+  "mockBidRequest": {
+    "id": "test-request-id",
+    "imp": [
+      {
+        "id": "test-imp-id",
+        "banner": {
+          "format": [
+            {
+              "w": 300,
+              "h": 50
+            }
+          ]
+        },
+        "ext": {
+          "bidder": {
+            "accountId": "fake-account-id",
+            "zoneId": ""
+          }
+        }
+      }
+    ]
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "uri": "https://adx.tradplusad.com/fake-account-id/pserver",
+        "body": {
+          "id": "test-request-id",
+          "imp": [
+            {
+              "id": "test-imp-id",
+              "banner": {
+                "format": [
+                  {
+                    "w": 300,
+                    "h": 50
+                  }
+                ]
+              }
+            }
+          ]
+        },
+        "impIDs":["test-imp-id"]
+      },
+      "mockResponse": {
+        "status": 204,
+        "body": {}
+      }
+    }
+  ],
+  "expectedBidResponses": []
+}