Add support for ping events

Author: Pedro Pombeiro

github/github.go

@@ -47,6 +47,7 @@ const (
 	OrganizationEvent             Event = "organization"
 	OrgBlockEvent                 Event = "org_block"
 	PageBuildEvent                Event = "page_build"
+	PingEvent                     Event = "ping"
 	ProjectCardEvent              Event = "project_card"
 	ProjectColumnEvent            Event = "project_column"
 	ProjectEvent                  Event = "project"
@@ -221,6 +222,10 @@ func (hook Webhook) ParsePayload(w http.ResponseWriter, r *http.Request) {
 		var p PageBuildPayload
 		json.Unmarshal([]byte(payload), &p)
 		hook.runProcessPayloadFunc(fn, p, hd)
+	case PingEvent:
+		var p PingPayload
+		json.Unmarshal([]byte(payload), &p)
+		hook.runProcessPayloadFunc(fn, p, hd)
 	case ProjectCardEvent:
 		var p ProjectCardPayload
 		json.Unmarshal([]byte(payload), &p)

github/github_test.go

@@ -59,6 +59,7 @@ func TestMain(m *testing.M) {
 		OrganizationEvent,
 		OrgBlockEvent,
 		PageBuildEvent,
+		PingEvent,
 		ProjectCardEvent,
 		ProjectColumnEvent,
 		ProjectEvent,
@@ -2742,6 +2743,48 @@ func TestPageBuildEvent(t *testing.T) {
 	Equal(t, resp.StatusCode, http.StatusOK)
 }
 
+func TestPingEvent(t *testing.T) {
+
+	payload := `{
+    "zen": "Keep it logically awesome.",
+    "hook_id": 20081052,
+    "hook": {
+        "type": "App",
+        "id": 20081052,
+        "name": "web",
+        "active": true,
+        "events": [
+            "pull_request"
+        ],
+        "config": {
+            "content_type": "json",
+            "insecure_ssl": "0",
+            "secret": "********",
+            "url": "https://ngrok.io/webhook"
+        },
+        "updated_at": "2018-01-15T10:48:54Z",
+        "created_at": "2018-01-15T10:48:54Z",
+        "app_id": 8157
+    }
+}
+`
+
+	req, err := http.NewRequest("POST", "http://127.0.0.1:3010/webhooks", bytes.NewBuffer([]byte(payload)))
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("X-Github-Event", "ping")
+	req.Header.Set("X-Hub-Signature", "sha1=f82267eb5c6408d5986209da906747f57c11b33b")
+
+	Equal(t, err, nil)
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	Equal(t, err, nil)
+
+	defer resp.Body.Close()
+
+	Equal(t, resp.StatusCode, http.StatusOK)
+}
+
 func TestProjectCardEvent(t *testing.T) {
 
 	payload := `{

github/payload.go

@@ -2162,6 +2162,27 @@ type PageBuildPayload struct {
 	} `json:"sender"`
 }
 
+// PingPayload contains the information for GitHub's ping hook event
+type PingPayload struct {
+	HookID int `json:"hook_id"`
+	Hook   struct {
+		Type   string   `json:"type"`
+		ID     int64    `json:"id"`
+		Name   string   `json:"name"`
+		Active bool     `json:"active"`
+		Events []string `json:"events"`
+		AppID  int      `json:"app_id"`
+		Config struct {
+			ContentType string `json:"content_type"`
+			InsecureSSL int    `json:"insecure_ssl"`
+			Secret      string `json:"secret"`
+			URL         string `json:"url"`
+		} `json:"config"`
+		CreatedAt time.Time `json:"created_at"`
+		UpdatedAt time.Time `json:"updated_at"`
+	} `json:"hook"`
+}
+
 // ProjectCardPayload contains the information for GitHub's project_payload hook event
 type ProjectCardPayload struct {
 	Action      string `json:"action"`