New Adapter: Admatic (#3654)

Co-authored-by: Faruk Çam <mail@farukix.com>

adapters/admatic/admatic.go

@@ -0,0 +1,138 @@
+package admatic
+
+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
+}
+
+func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
+	endpointTemplate, err := template.New("endpointTemplate").Parse(config.Endpoint)
+	if err != nil {
+		return nil, fmt.Errorf("unable to parse endpoint template: %v", err)
+	}
+
+	bidder := &adapter{
+		endpoint: endpointTemplate,
+	}
+	return bidder, nil
+}
+
+func (a *adapter) MakeRequests(request *openrtb2.BidRequest, requestInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
+	var requests []*adapters.RequestData
+	var errs []error
+
+	requestCopy := *request
+	for _, imp := range request.Imp {
+		requestCopy.Imp = []openrtb2.Imp{imp}
+
+		endpoint, err := a.buildEndpointFromRequest(&imp)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+
+		requestJSON, err := json.Marshal(requestCopy)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+
+		request := &adapters.RequestData{
+			Method: http.MethodPost,
+			Body:   requestJSON,
+			Uri:    endpoint,
+			ImpIDs: openrtb_ext.GetImpIDs(requestCopy.Imp),
+		}
+
+		requests = append(requests, request)
+	}
+
+	return requests, errs
+}
+
+func (a *adapter) buildEndpointFromRequest(imp *openrtb2.Imp) (string, error) {
+	var impExt adapters.ExtImpBidder
+	if err := json.Unmarshal(imp.Ext, &impExt); err != nil {
+		return "", &errortypes.BadInput{
+			Message: fmt.Sprintf("Failed to deserialize bidder impression extension: %v", err),
+		}
+	}
+
+	var admaticExt openrtb_ext.ImpExtAdmatic
+	if err := json.Unmarshal(impExt.Bidder, &admaticExt); err != nil {
+		return "", &errortypes.BadInput{
+			Message: fmt.Sprintf("Failed to deserialize AdMatic extension: %v", err),
+		}
+	}
+
+	endpointParams := macros.EndpointTemplateParams{
+		Host: admaticExt.Host,
+	}
+
+	return macros.ResolveMacros(a.endpoint, endpointParams)
+}
+
+func (a *adapter) MakeBids(request *openrtb2.BidRequest, requestData *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
+	if adapters.IsResponseStatusCodeNoContent(responseData) {
+		return nil, nil
+	}
+
+	err := adapters.CheckResponseStatusCodeForErrors(responseData)
+	if err != nil {
+		return nil, []error{err}
+	}
+	var response openrtb2.BidResponse
+	if err := json.Unmarshal(responseData.Body, &response); err != nil {
+		return nil, []error{err}
+	}
+
+	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 {
+
+			bidMediaType, err := getMediaTypeForBid(seatBid.Bid[i].ImpID, request.Imp)
+			if err != nil {
+				return nil, []error{err}
+			}
+			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
+				Bid:     &seatBid.Bid[i],
+				BidType: bidMediaType,
+			})
+		}
+	}
+	return bidResponse, nil
+}
+
+func getMediaTypeForBid(impID string, imps []openrtb2.Imp) (openrtb_ext.BidType, error) {
+	for _, imp := range imps {
+		if imp.ID == impID {
+			if imp.Banner != nil {
+				return openrtb_ext.BidTypeBanner, nil
+			} else if imp.Video != nil {
+				return openrtb_ext.BidTypeVideo, nil
+			} else if imp.Native != nil {
+				return openrtb_ext.BidTypeNative, nil
+			}
+		}
+	}
+	return "", &errortypes.BadServerResponse{
+		Message: fmt.Sprintf("The impression with ID %s is not present into the request", impID),
+	}
+}

adapters/admatic/admatic_test.go

@@ -0,0 +1,29 @@
+package admatic
+
+import (
+	"testing"
+
+	"github.com/prebid/prebid-server/v2/adapters/adapterstest"
+	"github.com/prebid/prebid-server/v2/config"
+	"github.com/prebid/prebid-server/v2/openrtb_ext"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestJsonSamples(t *testing.T) {
+	bidder, buildErr := Builder(openrtb_ext.BidderAdmatic, config.Adapter{
+		Endpoint: "http://pbs.admatic.com.tr?host={{.Host}}"},
+		config.Server{ExternalUrl: "http://hosturl.com", GvlID: 1281, DataCenter: "2"})
+
+	if buildErr != nil {
+		t.Fatalf("Builder returned unexpected error %v", buildErr)
+	}
+
+	adapterstest.RunJSONBidderTest(t, "admatictest", bidder)
+}
+
+func TestEndpointTemplateMalformed(t *testing.T) {
+	_, buildErr := Builder(openrtb_ext.BidderAdmatic, config.Adapter{
+		Endpoint: "host={{Host}}"}, config.Server{ExternalUrl: "http://hosturl.com"})
+
+	assert.Error(t, buildErr)
+}

adapters/admatic/admatictest/exemplary/banner.json

@@ -0,0 +1,96 @@
+{
+  "mockBidRequest": {
+    "id": "test-request-id-banner",
+    "imp": [
+      {
+        "id": "test-imp-id-banner",
+        "banner": {
+          "format": [
+            {
+              "w": 728,
+              "h": 90
+            }
+          ]
+        },
+        "ext": {
+          "bidder": {
+            "host": "layer.serve.admatic.com.tr",
+            "networkId": 12345
+          }
+        }
+      }
+    ]
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "uri": "http://pbs.admatic.com.tr?host=layer.serve.admatic.com.tr",
+        "body": {
+          "id": "test-request-id-banner",
+          "imp": [
+            {
+              "id": "test-imp-id-banner",
+              "banner": {
+                "format": [
+                  {
+                    "w": 728,
+                    "h": 90
+                  }
+                ]
+              },
+              "ext": {
+                "bidder": {
+                  "host": "layer.serve.admatic.com.tr",
+                  "networkId": 12345
+                }
+              }
+            }
+          ]
+        },
+        "impIDs": ["test-imp-id-banner"]
+      },
+      "mockResponse": {
+        "status": 200,
+        "body": {
+          "id": "test-request-id-banner",
+          "seatbid": [
+            {
+              "seat": "admatic",
+              "bid": [
+                {
+                  "id": "8ee514f1-b2b8-4abb-89fd-084437d1e800",
+                  "impid": "test-imp-id-banner",
+                  "price": 0.5,
+                  "adm": "some-test-ad-banner",
+                  "crid": "crid_10",
+                  "w": 728,
+                  "h": 90
+                }
+              ]
+            }
+          ],
+          "cur": "USD"
+        }
+      }
+    }
+  ],
+  "expectedBidResponses": [
+    {
+      "currency": "USD",
+      "bids": [
+        {
+          "bid": {
+            "id": "8ee514f1-b2b8-4abb-89fd-084437d1e800",
+            "impid": "test-imp-id-banner",
+            "price": 0.5,
+            "adm": "some-test-ad-banner",
+            "crid": "crid_10",
+            "w": 728,
+            "h": 90
+          },
+          "type": "banner"
+        }
+      ]
+    }
+  ]
+}