New Adapter: AdUp Tech

adapters/aduptech/aduptech.go

@@ -0,0 +1,154 @@
+package aduptech
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/prebid/openrtb/v20/openrtb2"
+	"github.com/prebid/prebid-server/v3/adapters"
+	"github.com/prebid/prebid-server/v3/config"
+	"github.com/prebid/prebid-server/v3/currency"
+	"github.com/prebid/prebid-server/v3/errortypes"
+	"github.com/prebid/prebid-server/v3/openrtb_ext"
+	"github.com/prebid/prebid-server/v3/util/jsonutil"
+)
+
+type adapter struct {
+	endpoint  string
+	extraInfo ExtraInfo
+}
+
+type ExtraInfo struct {
+	TargetCurrency string `json:"target_currency,omitempty"`
+}
+
+func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
+	var extraInfo ExtraInfo
+	if err := jsonutil.Unmarshal([]byte(config.ExtraAdapterInfo), &extraInfo); err != nil {
+		return nil, fmt.Errorf("invalid extra info: %w", err)
+	}
+
+	if extraInfo.TargetCurrency == "" {
+		return nil, errors.New("invalid extra info: TargetCurrency is empty, pls check")
+	}
+
+	bidder := &adapter{
+		endpoint:  config.Endpoint,
+		extraInfo: extraInfo,
+	}
+
+	return bidder, nil
+}
+
+func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
+	for i := range request.Imp {
+		imp := &request.Imp[i]
+		// Check if imp comes with bid floor amount defined in a foreign currency
+		if imp.BidFloor > 0 && imp.BidFloorCur != "" && strings.ToUpper(imp.BidFloorCur) != a.extraInfo.TargetCurrency {
+
+			convertedValue, err := a.convertCurrency(imp.BidFloor, imp.BidFloorCur, reqInfo)
+			if err != nil {
+				return nil, []error{err}
+			}
+
+			imp.BidFloorCur = a.extraInfo.TargetCurrency
+			imp.BidFloor = convertedValue
+		}
+	}
+
+	requestJSON, err := jsonutil.Marshal(request)
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	requestData := &adapters.RequestData{
+		Method: http.MethodPost,
+		Uri:    a.endpoint,
+		Body:   requestJSON,
+		ImpIDs: openrtb_ext.GetImpIDs(request.Imp),
+	}
+
+	return []*adapters.RequestData{requestData}, nil
+}
+
+// convertCurrency attempts to convert a given value from the specified currency (cur) to the
+// target currency specified in the adapter's extraInfo. If the conversion directly to the
+// target currency fails due to a ConversionNotFoundError, it attempts an intermediate conversion
+// through USD. Returns the converted value or an error if conversion fails.
+func (a *adapter) convertCurrency(value float64, cur string, reqInfo *adapters.ExtraRequestInfo) (float64, error) {
+	convertedValue, err := reqInfo.ConvertCurrency(value, cur, a.extraInfo.TargetCurrency)
+
+	if err != nil {
+		var convErr currency.ConversionNotFoundError
+		if !errors.As(err, &convErr) {
+			return 0, err
+		}
+
+		// try again by first converting to USD
+		// then convert to target_currency
+		convertedValue, err = reqInfo.ConvertCurrency(value, cur, "USD")
+
+		if err != nil {
+			return 0, err
+		}
+
+		convertedValue, err = reqInfo.ConvertCurrency(convertedValue, "USD", a.extraInfo.TargetCurrency)
+
+		if err != nil {
+			return 0, err
+		}
+	}
+	return convertedValue, 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 := jsonutil.Unmarshal(responseData.Body, &response); err != nil {
+		return nil, []error{err}
+	}
+
+	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
+	bidResponse.Currency = response.Cur
+
+	var errs []error
+	for i := range response.SeatBid {
+		seatBid := &response.SeatBid[i]
+		for j := range seatBid.Bid {
+			bid := &seatBid.Bid[j]
+			bidType, err := getBidType(bid.MType)
+			if err != nil {
+				errs = append(errs, err)
+				continue
+			}
+			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
+				Bid:     bid,
+				BidType: bidType,
+			})
+		}
+	}
+
+	return bidResponse, errs
+}
+
+func getBidType(markupType openrtb2.MarkupType) (openrtb_ext.BidType, error) {
+	switch markupType {
+	case openrtb2.MarkupNative:
+		return openrtb_ext.BidTypeNative, nil
+	case openrtb2.MarkupBanner:
+		return openrtb_ext.BidTypeBanner, nil
+	default:
+		return "", &errortypes.BadServerResponse{
+			Message: fmt.Sprintf("Unknown markup type: %d", markupType),
+		}
+	}
+}

adapters/aduptech/aduptech_test.go

@@ -0,0 +1,48 @@
+package aduptech
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"github.com/prebid/prebid-server/v3/adapters/adapterstest"
+	"github.com/prebid/prebid-server/v3/config"
+	"github.com/prebid/prebid-server/v3/openrtb_ext"
+)
+
+func TestJsonSamples(t *testing.T) {
+	bidder, buildErr := Builder(
+		openrtb_ext.BidderAdUpTech,
+		config.Adapter{
+			Endpoint:         "https://example.com/rtb/bid",
+			ExtraAdapterInfo: `{"target_currency": "EUR"}`,
+		},
+		config.Server{
+			ExternalUrl: "http://hosturl.com",
+			GvlID:       1,
+			DataCenter:  "2",
+		},
+	)
+
+	require.NoError(t, buildErr, "Builder returned unexpected error")
+
+	adapterstest.RunJSONBidderTest(t, "aduptechtest", bidder)
+}
+
+func TestInvalidExtraAdapterInfo(t *testing.T) {
+	_, buildErr := Builder(
+		openrtb_ext.BidderAdUpTech,
+		config.Adapter{
+			Endpoint:         "https://example.com/rtb/bid",
+			ExtraAdapterInfo: `{"foo": "bar"}`,
+		},
+		config.Server{
+			ExternalUrl: "http://hosturl.com",
+			GvlID:       1,
+			DataCenter:  "2",
+		},
+	)
+
+	assert.EqualError(t, buildErr, "invalid extra info: TargetCurrency is empty, pls check")
+}

adapters/aduptech/aduptechtest/exemplary/simple-banner-convert-currency-intermediate.json

@@ -0,0 +1,129 @@
+{
+  "mockBidRequest": {
+    "id": "test-request-id",
+    "site": {
+        "page": "https://good.site/url"
+    },
+    "imp": [{
+        "id": "test-imp-id", 
+        "bidfloor": 1.0,
+        "bidfloorcur": "AUD",
+        "banner": {
+            "format": [{
+                "w": 300,
+                "h": 250
+            }]
+        },
+        "ext": {
+          "bidder": {
+              "publisher": "123456",
+              "placement": "234567"
+          }
+        }
+  }],
+  "ext": {
+    "prebid": {
+      "currency": {
+        "rates": {
+          "EUR": {
+            "USD": 0.05
+          },
+          "USD": {
+            "AUD": 2.0
+          }
+        },
+        "usepbsrates": false
+      }
+    }
+  }
+ },
+  "httpCalls": [{
+    "expectedRequest": {
+      "uri": "https://example.com/rtb/bid",
+      "body": {
+        "id": "test-request-id",
+        "site": {
+          "page": "https://good.site/url"
+        },
+        "imp": [
+          {
+            "id": "test-imp-id",
+            "bidfloor": 10,
+            "bidfloorcur": "EUR",
+            "banner": {
+              "format": [
+                {
+                  "w": 300,
+                  "h": 250
+                }
+              ]
+            },
+            "ext": {
+              "bidder": {
+                "publisher": "123456",
+                "placement": "234567"
+              }
+            }
+          }
+        ],
+        "ext": {
+          "prebid": {
+            "currency": {
+              "rates": {
+                "EUR": {
+                  "USD": 0.05
+                },
+                "USD": {
+                  "AUD": 2.0
+                }
+              },
+              "usepbsrates": false
+            }
+          }
+        }
+      },
+      "impIDs":["test-imp-id"]
+    },
+    "mockResponse": {
+      "status": 200,
+      "body": {
+        "id": "test-request-id",
+        "seatbid": [
+            {
+              "seat": "958",
+              "bid": [{
+                "id": "7706636740145184841",
+                "impid": "test-imp-id",
+                "price": 0.500000,
+                "adm": "some-test-ad",
+                "adomain": ["example.com"],
+                "crid": "29681110",
+                "h": 250,
+                "w": 300,
+                "mtype": 1
+              }]
+            }
+        ],
+        "cur": "EUR"
+      }
+    }
+  }],
+
+  "expectedBidResponses": [{
+    "currency": "EUR",
+    "bids": [{
+      "bid": {
+        "id": "7706636740145184841",
+        "impid": "test-imp-id",
+        "price": 0.500000,
+        "adm": "some-test-ad",
+        "adomain": ["example.com"],
+        "crid": "29681110",
+        "h": 250,
+        "w": 300,
+        "mtype": 1
+      },
+      "type": "banner"
+    }]
+  }]
+}