feat: improve group member events and push delivery

server/push/fcm/payload.go

@@ -158,7 +158,7 @@ func PrepareV1Notifications(rcpt *push.Receipt, config *configType) ([]*fcmv1.Me
 	for uid, devList := range devices {
 		topic := rcpt.Payload.Topic
 		userData := data
-		if rcpt.To[uid].Delivered > 0 {
+		if rcpt.To[uid].Delivered > 0 || rcpt.To[uid].Silent {
 			userData = clonePayload(data)
 			// Silence the push for user who have received the data interactively.
 			userData["silent"] = "true"

server/push/jpush/push_jpush.go

@@ -351,7 +351,7 @@ func preparePayloads(rcpt *push.Receipt, config *configType) ([]*jpushPayload, [
 	for _, uid := range uids {
 		recipient := rcpt.To[uid]
 		userData := cloneData(data)
-		if recipient.Delivered > 0 {
+		if recipient.Delivered > 0 || recipient.Silent {
 			userData["silent"] = "true"
 		}
 		topic := rcpt.Payload.Topic

server/push/push.go

@@ -28,6 +28,8 @@ type Recipient struct {
 	Delivered int `json:"delivered"`
 	// List of user's devices that the packet was delivered to (if known). Len(Devices) >= Delivered
 	Devices []string `json:"devices,omitempty"`
+	// Deliver as a data-only notification without showing an alert.
+	Silent bool `json:"silent,omitempty"`
 	// Unread count to include in the push
 	Unread int `json:"unread"`
 	// Indicates whether unread counter in the cache should be incremented before sending the push.