Update required params for TheMediaGrid adapter

adapters/grid/grid.go

@@ -15,11 +15,53 @@ type GridAdapter struct {
 	endpoint string
 }
 
+func processImp(imp *openrtb.Imp) error {
+	// get the grid extension
+	var ext adapters.ExtImpBidder
+	var gridExt openrtb_ext.ExtImpGrid
+	if err := json.Unmarshal(imp.Ext, &ext); err != nil {
+		return err
+	}
+	if err := json.Unmarshal(ext.Bidder, &gridExt); err != nil {
+		return err
+	}
+
+	if gridExt.Uid == 0 {
+		err := &errortypes.BadInput{
+			Message: "uid is empty",
+		}
+		return err
+	}
+	// no error
+	return nil
+}
+
 // MakeRequests makes the HTTP requests which should be made to fetch bids.
 func (a *GridAdapter) MakeRequests(request *openrtb.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
 	var errors = make([]error, 0)
 
-	reqJSON, err := json.Marshal(request)
+	// copy the request, because we are going to mutate it
+	requestCopy := *request
+	// this will contain all the valid impressions
+	var validImps []openrtb.Imp
+	// pre-process the imps
+	for _, imp := range requestCopy.Imp {
+		if err := processImp(&imp); err == nil {
+			validImps = append(validImps, imp)
+		} else {
+			errors = append(errors, err)
+		}
+	}
+	if len(validImps) == 0 {
+		err := &errortypes.BadInput{
+			Message: "No valid impressions for grid",
+		}
+		errors = append(errors, err)
+		return nil, errors
+	}
+	requestCopy.Imp = validImps
+
+	reqJSON, err := json.Marshal(requestCopy)
 	if err != nil {
 		errors = append(errors, err)
 		return nil, errors

adapters/grid/gridtest/exemplary/simple-banner.json

@@ -13,7 +13,9 @@
                 }]
             },
             "ext": {
-                "bidder": {}
+                "bidder": {
+                    "uid": 1
+                }
             }
         }]
     },
@@ -35,7 +37,9 @@
                         }]
                     },
                     "ext": {
-                        "bidder": {}
+                        "bidder": {
+                            "uid": 1
+                        }
                     }
                 }]
             }

adapters/grid/gridtest/exemplary/simple-video.json

@@ -13,7 +13,9 @@
                 "h": 250
             },
             "ext": {
-                "bidder": {}
+                "bidder": {
+                    "uid": 1
+                }
             }
         }]
     },
@@ -35,7 +37,9 @@
                         "h": 250
                     },
                     "ext": {
-                        "bidder": {}
+                        "bidder": {
+                            "uid": 1
+                        }
                     }
                 }]
             }

adapters/grid/gridtest/params/race/banner.json

@@ -1 +1,4 @@
-{}
+{
+  "uid": 1
+}
+

adapters/grid/gridtest/supplemental/bad_bidder_request.json

@@ -0,0 +1,33 @@
+{
+  "mockBidRequest": {
+    "id": "test-request-id",
+    "imp": [
+      {
+        "id": "test-imp-id",
+        "banner": {
+          "format": [
+            {
+              "w": 300,
+              "h": 250
+            }
+          ]
+        },
+        "ext": {
+          "bidder": "some not exist"
+        }
+      }
+    ]
+  },
+  "expectedMakeRequestsErrors": [
+    {
+      "value": "json: cannot unmarshal string into Go value of type openrtb_ext.ExtImpGrid",
+      "comparison": "literal"
+    },
+    {
+      "value": "No valid impressions for grid",
+      "comparison": "literal"
+    }
+  ],
+  "httpCalls":[],
+  "expectedBidResponses": []
+}

adapters/grid/gridtest/supplemental/bad_ext_request.json

@@ -0,0 +1,30 @@
+{
+  "mockBidRequest": {
+    "id": "test-request-id",
+    "imp": [
+      {
+        "id": "test-imp-id",
+        "banner": {
+          "format": [
+            {
+              "w": 300,
+              "h": 250
+            }
+          ]
+        },
+        "ext":  "any"
+    }
+    ]
+  },
+  "expectedMakeRequestsErrors": [
+    {
+      "value": "json: cannot unmarshal string into Go value of type adapters.ExtImpBidder",
+      "comparison": "literal"
+    },
+    {
+      "value": "No valid impressions for grid",
+      "comparison": "literal"
+    }
+  ],
+  "httpCalls": []
+}

adapters/grid/gridtest/supplemental/bad_response.json

@@ -14,6 +14,7 @@
         },
         "ext": {
           "bidder": {
+            "uid": 1
           }
         }
       }
@@ -39,6 +40,7 @@
               },
               "ext": {
                 "bidder": {
+                  "uid": 1
                 }
               }
             }

adapters/grid/gridtest/supplemental/empty_uid_request.json

@@ -0,0 +1,33 @@
+{
+  "mockBidRequest": {
+    "id": "test-request-id",
+    "imp": [
+      {
+        "id": "test-imp-id",
+        "banner": {
+          "format": [
+            {
+              "w": 300,
+              "h": 250
+            }
+          ]
+        },
+        "ext": {
+          "bidder": {}
+        }
+      }
+    ]
+  },
+  "expectedMakeRequestsErrors": [
+    {
+      "value": "uid is empty",
+      "comparison": "literal"
+    },
+    {
+      "value": "No valid impressions for grid",
+      "comparison": "literal"
+    }
+  ],
+  "httpCalls":[],
+  "expectedBidResponses": []
+}

adapters/grid/gridtest/supplemental/no_imp_request.json

@@ -0,0 +1,13 @@
+{
+  "mockBidRequest": {
+    "id": "test-request-id",
+    "imp": []
+  },
+  "expectedMakeRequestsErrors": [
+    {
+      "value": "No valid impressions for grid",
+      "comparison": "literal"
+    }
+  ],
+  "httpCalls":[]
+}

adapters/grid/gridtest/supplemental/status_204.json

@@ -14,6 +14,7 @@
         },
         "ext": {
           "bidder": {
+            "uid": 1
           }
         }
       }
@@ -39,6 +40,7 @@
               },
               "ext": {
                 "bidder": {
+                  "uid": 1
                 }
               }
             }

adapters/grid/gridtest/supplemental/status_400.json

@@ -14,6 +14,7 @@
         },
         "ext": {
           "bidder": {
+            "uid": 1
           }
         }
       }
@@ -39,6 +40,7 @@
               },
               "ext": {
                 "bidder": {
+                  "uid": 1
                 }
               }
             }

adapters/grid/gridtest/supplemental/status_418.json

@@ -14,6 +14,7 @@
         },
         "ext": {
           "bidder": {
+            "uid": 1
           }
         }
       }
@@ -39,6 +40,7 @@
               },
               "ext": {
                 "bidder": {
+                  "uid": 1
                 }
               }
             }

openrtb_ext/imp_grid.go

@@ -0,0 +1,6 @@
+package openrtb_ext
+
+// ExtImpGrid defines the contract for bidrequest.imp[i].ext.grid
+type ExtImpGrid struct {
+	Uid int `json:"uid"`
+}

static/bidder-params/grid.json

@@ -3,6 +3,11 @@
   "title": "TheMediaGrid Adapter Params",
   "description": "A schema which validates params accepted by TheMediaGrid adapter",
   "type": "object",
-  "properties": {},
+  "properties": {
+    "uid": {
+      "type": "integer",
+      "description": "An ID which identifies this placement of the impression"
+    }
+  },
   "required": []
 }