Kubient adapter (prebid#1094)

adapters/kubient/kubient.go

@@ -0,0 +1,110 @@
+package kubient
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/prebid/prebid-server/openrtb_ext"
+	"net/http"
+
+	"github.com/mxmCherry/openrtb"
+	"github.com/prebid/prebid-server/adapters"
+	"github.com/prebid/prebid-server/errortypes"
+)
+
+func NewKubientBidder(endpoint string) *KubientAdapter {
+	return &KubientAdapter{endpoint: endpoint}
+}
+
+// Implements Bidder interface.
+type KubientAdapter struct {
+	endpoint string
+}
+
+// MakeRequests prepares the HTTP requests which should be made to fetch bids.
+func (adapter *KubientAdapter) MakeRequests(
+	openRTBRequest *openrtb.BidRequest,
+	reqInfo *adapters.ExtraRequestInfo,
+) (
+	requestsToBidder []*adapters.RequestData,
+	errs []error,
+) {
+	openRTBRequestJSON, err := json.Marshal(openRTBRequest)
+	if err != nil {
+		errs = append(errs, err)
+		return nil, errs
+	}
+
+	headers := http.Header{}
+	headers.Add("Content-Type", "application/json;charset=utf-8")
+	requestToBidder := &adapters.RequestData{
+		Method:  "POST",
+		Uri:     adapter.endpoint,
+		Body:    openRTBRequestJSON,
+		Headers: headers,
+	}
+	requestsToBidder = append(requestsToBidder, requestToBidder)
+
+	return requestsToBidder, errs
+}
+
+// MakeBids makes the bids
+func (adapter *KubientAdapter) MakeBids(internalRequest *openrtb.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
+	var errs []error
+
+	if response.StatusCode == http.StatusNoContent {
+		return nil, nil
+	}
+
+	if response.StatusCode == http.StatusBadRequest {
+		return nil, []error{&errortypes.BadInput{
+			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
+		}}
+	}
+
+	if response.StatusCode != http.StatusOK {
+		return nil, []error{&errortypes.BadServerResponse{
+			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
+		}}
+	}
+
+	var bidResp openrtb.BidResponse
+
+	if err := json.Unmarshal(response.Body, &bidResp); err != nil {
+		return nil, []error{err}
+	}
+
+	bidResponse := adapters.NewBidderResponseWithBidsCapacity(5)
+
+	for _, sb := range bidResp.SeatBid {
+		for i := range sb.Bid {
+			bidType, err := getMediaTypeForImp(sb.Bid[i].ImpID, internalRequest.Imp)
+			if err != nil {
+				errs = append(errs, err)
+			} else {
+				b := &adapters.TypedBid{
+					Bid:     &sb.Bid[i],
+					BidType: bidType,
+				}
+				bidResponse.Bids = append(bidResponse.Bids, b)
+			}
+		}
+	}
+	return bidResponse, errs
+}
+
+func getMediaTypeForImp(impID string, imps []openrtb.Imp) (openrtb_ext.BidType, error) {
+	mediaType := openrtb_ext.BidTypeBanner
+	for _, imp := range imps {
+		if imp.ID == impID {
+			if imp.Banner == nil && imp.Video != nil {
+				mediaType = openrtb_ext.BidTypeVideo
+			}
+			return mediaType, nil
+		}
+	}
+
+	// This shouldnt happen. Lets handle it just incase by returning an error.
+	return "", &errortypes.BadInput{
+		Message: fmt.Sprintf("Failed to find impression \"%s\" ", impID),
+	}
+}

adapters/kubient/kubient_test.go

@@ -0,0 +1,10 @@
+package kubient
+
+import (
+	"github.com/prebid/prebid-server/adapters/adapterstest"
+	"testing"
+)
+
+func TestJsonSamples(t *testing.T) {
+	adapterstest.RunJSONBidderTest(t, "kubienttest", NewKubientBidder("http://127.0.0.1:5000/bid"))
+}

adapters/kubient/kubienttest/exemplary/banner.json

@@ -0,0 +1,97 @@
+{
+  "mockBidRequest": {
+    "id": "test-banner-request-id",
+    "imp": [
+      {
+        "id": "test-imp-banner-id",
+        "banner": {
+          "format": [
+            {
+              "w": 300,
+              "h": 250
+            },
+            {
+              "w": 300,
+              "h": 600
+            }
+          ]
+        },
+        "ext": {
+          "bidder": {}
+        }
+      }
+    ]
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "uri": "http://127.0.0.1:5000/bid",
+        "body": {
+          "id": "test-banner-request-id",
+          "imp": [
+            {
+              "id": "test-imp-banner-id",
+              "banner": {
+                "format": [
+                  {
+                    "w": 300,
+                    "h": 250
+                  },
+                  {
+                    "w": 300,
+                    "h": 600
+                  }
+                ]
+              },
+              "ext": {
+                "bidder": {}
+              }
+            }
+          ]
+        }
+      },
+      "mockResponse": {
+        "status": 200,
+        "body": {
+          "id": "test-banner-request-id",
+          "seatbid": [
+            {
+              "seat": "772",
+              "bid": [{
+                "id": "7706636740145184841",
+                "impid": "test-imp-banner-id",
+                "price": 0.500000,
+                "adid": "29681110",
+                "adm": "some-test-ad",
+                "adomain": ["advertsite.com"],
+                "cid": "772",
+                "crid": "29681110",
+                "h": 576,
+                "w": 1024
+              }]
+            }
+          ],
+          "bidid": "5778926625248726496",
+          "cur": "USD"
+        }
+      }
+    }
+  ],
+  "expectedBids": [
+    {
+      "bid": {
+        "id": "7706636740145184841",
+        "impid": "test-imp-banner-id",
+        "price": 0.5,
+        "adm": "some-test-ad",
+        "adid": "29681110",
+        "adomain": ["advertsite.com"],
+        "cid": "772",
+        "crid": "29681110",
+        "w": 1024,
+        "h": 576
+      },
+      "type": "banner"
+    }
+  ]
+}

adapters/kubient/kubienttest/exemplary/video.json

@@ -0,0 +1,87 @@
+{
+  "mockBidRequest": {
+    "id": "test-video-request-id",
+    "imp": [
+      {
+        "id": "test-imp-video-id",
+        "video": {
+          "mimes": ["video/mp4"],
+          "protocols": [2, 5],
+          "w": 1024,
+          "h": 576
+        },
+        "ext": {
+          "bidder": {}
+        }
+      }
+    ]
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "uri": "http://127.0.0.1:5000/bid",
+        "body": {
+          "id": "test-video-request-id",
+          "imp": [
+            {
+              "id": "test-imp-video-id",
+              "video": {
+                "mimes": ["video/mp4"],
+                "protocols": [2, 5],
+                "w": 1024,
+                "h": 576
+              },
+              "ext": {
+                "bidder": {}
+              }
+            }
+          ]
+        }
+      },
+      "mockResponse": {
+        "status": 200,
+        "body": {
+          "id": "ssp-response-id",
+          "seatbid": [
+            {
+              "seat": "83",
+              "bid": [{
+                "id": "7706636740145184841",
+                "impid": "test-imp-video-id",
+                "price": 0.500000,
+                "adid": "29681110",
+                "adm": "some-video-ad",
+                "adomain": ["advertsite.com"],
+                "cid": "958",
+                "crid": "29681110",
+                "h": 576,
+                "w": 1024
+              }]
+            }
+          ],
+          "bidid": "5778926625248726496",
+          "cur": "USD"
+        }
+      }
+    }
+  ],
+
+  "expectedBids": [
+    {
+      "bid": {
+        "id": "7706636740145184841",
+        "impid": "test-imp-video-id",
+        "price": 0.5,
+        "adm": "some-test-ad",
+        "adid": "29681110",
+        "adomain": ["advertsite.com"],
+        "cid": "83",
+        "crid": "29681110",
+        "w": 1024,
+        "h": 576
+      },
+      "type": "video"
+    }
+  ]
+
+}

adapters/kubient/kubienttest/supplemental/bad_response.json

@@ -0,0 +1,57 @@
+{
+  "mockBidRequest": {
+    "id": "test-request-id",
+    "imp": [
+      {
+        "id": "test-imp-id",
+        "banner": {
+          "format": [
+            {
+              "w": 300,
+              "h": 250
+            }
+          ]
+        },
+        "ext": {
+          "bidder": {}
+        }
+      }
+    ]
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "uri": "http://127.0.0.1:5000/bid",
+        "body": {
+          "id": "test-request-id",
+          "imp": [
+            {
+              "id": "test-imp-id",
+              "banner": {
+                "format": [
+                  {
+                    "w": 300,
+                    "h": 250
+                  }
+                ]
+              },
+              "ext": {
+                "bidder": {}
+              }
+            }
+          ]
+        }
+      },
+      "mockResponse": {
+        "status": 200,
+        "body": "{\"id\"data.lost"
+      }
+    }
+  ],
+  "expectedMakeBidsErrors": [
+    {
+      "value": "json: cannot unmarshal string into Go value of type openrtb.BidResponse",
+      "comparison": "literal"
+    }
+  ]
+}