add support for reading pbadslot in imp[].ext.data and outputting it …

…as imp.ext.gpid in yieldmo request (prebid#1935)

adapters/yieldmo/yieldmo.go

@@ -16,8 +16,18 @@ type YieldmoAdapter struct {
 	endpoint string
 }
 
+type ExtImpBidderYieldmo struct {
+	adapters.ExtImpBidder
+	Data *ExtData `json:"data,omitempty"`
+}
+
+type ExtData struct {
+	PbAdslot string `json:"pbadslot"`
+}
+
 type Ext struct {
 	PlacementId string `json:"placement_id"`
+	Gpid        string `json:"gpid,omitempty"`
 }
 
 func (a *YieldmoAdapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
@@ -62,7 +72,7 @@ func (a *YieldmoAdapter) makeRequest(request *openrtb2.BidRequest) (*adapters.Re
 func preprocess(request *openrtb2.BidRequest) error {
 	for i := 0; i < len(request.Imp); i++ {
 		var imp = request.Imp[i]
-		var bidderExt adapters.ExtImpBidder
+		var bidderExt ExtImpBidderYieldmo
 
 		if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
 			return &errortypes.BadInput{
@@ -81,6 +91,12 @@ func preprocess(request *openrtb2.BidRequest) error {
 		var impExt Ext
 		impExt.PlacementId = yieldmoExt.PlacementId
 
+		if bidderExt.Data != nil {
+			if bidderExt.Data.PbAdslot != "" {
+				impExt.Gpid = bidderExt.Data.PbAdslot
+			}
+		}
+
 		impExtJSON, err := json.Marshal(impExt)
 		if err != nil {
 			return &errortypes.BadInput{

adapters/yieldmo/yieldmotest/exemplary/with_gpid.json

@@ -0,0 +1,105 @@
+{
+  "mockBidRequest": {
+    "id": "test-request-id",
+    "imp": [
+      {
+        "id": "test-imp-id",
+        "banner": {
+          "format": [
+            {
+              "w": 300,
+              "h": 250
+            }
+          ]
+        },
+        "ext": {
+          "bidder": {
+            "placementId": "123"
+          },
+	  "data": {
+		"adserver": {
+			"name": "adserver_name",
+			"adslot": "adserver_adslot"
+		},
+		"pbadslot": "pbadslot_1"
+	  }
+        }
+      }
+    ],
+    "site": {
+      "id": "fake-site-id"
+    }
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "uri": "https://ads.yieldmo.com/openrtb2",
+        "body": {
+          "id": "test-request-id",
+          "imp": [
+            {
+              "id": "test-imp-id",
+              "banner": {
+                "format": [
+                  {
+                    "w": 300,
+                    "h": 250
+                  }
+                ]
+              },
+              "ext": {
+                "placement_id": "123",
+		"gpid": "pbadslot_1"
+              }
+            }
+          ],
+          "site": {
+            "id": "fake-site-id"
+          }
+        }
+      },
+      "mockResponse": {
+        "status": 200,
+        "body": {
+          "id": "test-request-id",
+          "seatbid": [
+            {
+              "seat": "yieldmo",
+              "bid": [
+                {
+                  "id": "8ee514f1-b2b8-4abb-89fd-084437d1e800",
+                  "impid": "test-imp-id",
+                  "price": 0.500000,
+                  "adm": "some-test-ad",
+                  "crid": "crid_10",
+                  "h": 250,
+                  "w": 300
+                }
+              ]
+            }
+          ],
+          "cur": "USD"
+        }
+      }
+    }
+  ],
+  "expectedBidResponses": [
+    {
+      "currency": "EUR",
+      "bids": [
+        {
+          "bid": {
+            "id": "8ee514f1-b2b8-4abb-89fd-084437d1e800",
+            "impid": "test-imp-id",
+            "price": 0.5,
+            "adm": "some-test-ad",
+            "crid": "crid_10",
+            "w": 300,
+            "h": 250
+          },
+          "type": "banner"
+        }
+      ]
+    }
+  ]
+}