firebase를 사용하여 Turn 기반 게임을 개발 중입니다. 내 게임에는 게임 방이 있고 각 방에는 최대 3 개의 하위 노드가 있습니다. 이들은 Player1, Player2 및 현재 사용자 수입니다. 필자의 경우, Player1은 2 개의 자식 노드 (Player1 ID 및 현재 사용자 수)가있는 공간을 만들었습니다. 플레이어 1은 단 한 명의 적을 기다리고 있습니다. 그러나 다른 2 명의 플레이어가 동시에 참여를 클릭하면 방에 3 명의 플레이어가 생깁니다. 어떻게 보안 규칙을 사용하여이 상황을 피할 수 있습니까? 텍스트 아래 같은Firebase (Swift)에서 보안 규칙을 사용하여 하위 노드를 제한하는 방법
내 관련 데이터베이스 부분 :
"QuickPlay3hanePlaying" : {
"ByVmFbUC6HS01v4SASeA2ev33zz1" : {
"3s6TdUxImrNhMReJbS8kBh4I9im1" : {
"IQ" : 1350,
"date" : 1.474527951467337E9,
"gizliSayi" : [ 1, 2, 3, 4, 5 ],
"isReady" : 0,
"isSiraBende" : 0,
"isWin" : 0,
"name" : "Emre Esen",
"photoUrl" : "https://scontent.xx.fbcdn.net/v/t1.0-1/p200x200/1796656_10203231676898828_1482882234_n.jpg?oh=b1600006284e4e8ca9411d804c5571a2&oe=5880E580",
"sonTahminim" : [ 1, 2, 3, 4, 5 ],
"uid" : "3s6TdUxImrNhMReJbS8kBh4I9im1"
},
"ByVmFbUC6HS01v4SASeA2ev33zz1" : {
"IQ" : 1280,
"date" : 1.474527943420204E9,
"gizliSayi" : [ 1, 2, 3, 4, 5 ],
"isReady" : 0,
"isSiraBende" : 1,
"isWin" : 0,
"name" : "Emot Emot",
"photoUrl" : "https://scontent.xx.fbcdn.net/v/t1.0-1/p200x200/14225541_330456493965915_6052582248934611374_n.jpg?oh=35c26a6ea69a3266451a33908c7a060a&oe=586E13B1",
"sonTahminim" : [ 1, 2, 3, 4, 5 ],
"uid" : "ByVmFbUC6HS01v4SASeA2ev33zz1"
},
"userSayisi" : 2
}
}
만들기 룸 코드 블록 :
func createRoom(){
Model.sharedInstance.QuickPlayOdaAdi = Model.sharedInstance.userFirebaseID
setPlayerInfo()
let interval = NSDate().timeIntervalSince1970
let info = ["photoUrl":Model.sharedInstance.userPictureUrl,
"uid":Model.sharedInstance.userFirebaseID,
"IQ":Model.sharedInstance.userIQ,
"name":Model.sharedInstance.username,
"isSiraBende":1,
"gizliSayi":Model.sharedInstance.gizliSayi,
"isReady":Model.sharedInstance.isReadyForPlaying,
"isWin":Model.sharedInstance.isWin,
"sonTahminim":Model.sharedInstance.rakipSonTahmini,
"date":interval]
Model.sharedInstance.quickPlayRoomPerGameRef.child(Model.sharedInstance.userFirebaseID).setValue(["userSayisi":1])
Model.sharedInstance.quickPlayRoomPerGameRef.child(Model.sharedInstance.userFirebaseID).child(Model.sharedInstance.userFirebaseID).setValue(info)
// uygulama kapatıldıgında remove olsun diye
Model.sharedInstance.quickPlayRoomPerGameRef.child(Model.sharedInstance.QuickPlayOdaAdi).child(Model.sharedInstance.userFirebaseID).onDisconnectRemoveValue()
Model.sharedInstance.quickPlayRoomPerGameRef.child(Model.sharedInstance.QuickPlayOdaAdi).child("userSayisi").onDisconnectRemoveValue()
Model.sharedInstance.handleCreateRoom = Model.sharedInstance.quickPlayRoomPerGameRef.child(Model.sharedInstance.QuickPlayOdaAdi).observeEventType(.Value, withBlock: { (snapshot) in
print("SnapCount: \(snapshot.childrenCount)")
// usersayısı ve 1 kullanıcı ile snap sayısı 2 oluyor 1 kullanıcı için
if snapshot.childrenCount == 3 {
print("Game Start")
Model.sharedInstance.quickPlayRoomPerGameRef.child(Model.sharedInstance.QuickPlayOdaAdi).removeObserverWithHandle(Model.sharedInstance.handleCreateRoom)
Model.sharedInstance.quickPlayRoomPerGameRef.child(Model.sharedInstance.QuickPlayOdaAdi).updateChildValues(["userSayisi":2])
let ilkEleman = snapshot.children.allObjects[0] as! FIRDataSnapshot
let ikinciEleman = snapshot.children.allObjects[1] as! FIRDataSnapshot
let ucuncuEleman = snapshot.children.allObjects[2] as! FIRDataSnapshot
print(ucuncuEleman.key)
if ilkEleman.key != Model.sharedInstance.userFirebaseID && ilkEleman.key != "userSayisi" {
print(ilkEleman.key)
dispatch_async(GlobalBackgroundQueue, {
Model.sharedInstance.enemyName = ilkEleman.value!["name"] as! String
Model.sharedInstance.enemyIQ = ilkEleman.value!["IQ"] as! Int
Model.sharedInstance.enemyFirebaseID = ilkEleman.value!["uid"] as! String
Model.sharedInstance.enemyPictureUrl = ilkEleman.value!["photoUrl"] as! String
Model.sharedInstance.quickPlayChooseGameRef.child(Model.sharedInstance.userFirebaseID).updateChildValues(["isPlay":1])
dispatch_async(GlobalMainQueue, {
self.enemyNameLbl.text = Model.sharedInstance.enemyName
self.enemyRank.text = "\(Model.sharedInstance.enemyIQ)"
self.enemyImage.hnk_setImageFromURL(NSURL(string: Model.sharedInstance.enemyPictureUrl)!)
})
})
Model.sharedInstance.delay(2.5, closure: {
self.performSegueWithIdentifier(Model.sharedInstance.quickPlayHaneSayisi, sender: self)
})
}
else if ikinciEleman.key != Model.sharedInstance.userFirebaseID && ikinciEleman.key != "userSayisi" {
print(ikinciEleman.key)
dispatch_async(GlobalBackgroundQueue, {
Model.sharedInstance.enemyName = ikinciEleman.value!["name"] as! String
Model.sharedInstance.enemyIQ = ikinciEleman.value!["IQ"] as! Int
Model.sharedInstance.enemyFirebaseID = ikinciEleman.value!["uid"] as! String
Model.sharedInstance.enemyPictureUrl = ikinciEleman.value!["photoUrl"] as! String
Model.sharedInstance.quickPlayChooseGameRef.child(Model.sharedInstance.userFirebaseID).updateChildValues(["isPlay":1])
dispatch_async(GlobalMainQueue, {
self.enemyNameLbl.text = Model.sharedInstance.enemyName
self.enemyRank.text = "\(Model.sharedInstance.enemyIQ)"
self.enemyImage.hnk_setImageFromURL(NSURL(string: Model.sharedInstance.enemyPictureUrl)!)
})
})
Model.sharedInstance.delay(2.5, closure: {
self.performSegueWithIdentifier(Model.sharedInstance.quickPlayHaneSayisi, sender: self)
})
}else{
print(ikinciEleman.key)
dispatch_async(GlobalBackgroundQueue, {
Model.sharedInstance.enemyName = ucuncuEleman.value!["name"] as! String
Model.sharedInstance.enemyIQ = ucuncuEleman.value!["IQ"] as! Int
Model.sharedInstance.enemyFirebaseID = ucuncuEleman.value!["uid"] as! String
Model.sharedInstance.enemyPictureUrl = ucuncuEleman.value!["photoUrl"] as! String
Model.sharedInstance.quickPlayChooseGameRef.child(Model.sharedInstance.userFirebaseID).updateChildValues(["isPlay":1])
dispatch_async(GlobalMainQueue, {
self.enemyNameLbl.text = Model.sharedInstance.enemyName
self.enemyRank.text = "\(Model.sharedInstance.enemyIQ)"
self.enemyImage.hnk_setImageFromURL(NSURL(string: Model.sharedInstance.enemyPictureUrl)!)
})
})
Model.sharedInstance.delay(2.5, closure: {
self.performSegueWithIdentifier(Model.sharedInstance.quickPlayHaneSayisi, sender: self)
})
}
}else if snapshot.childrenCount == 2 {
print("1 user waiting")
Model.sharedInstance.quickPlayRoomPerGameRef.child(Model.sharedInstance.userFirebaseID).updateChildValues(["userSayisi":1])
}
}) { (error) in
print(error)
}
}
가입 룸 코드 블록 :
func joinRoom(){
setPlayerInfo()
Model.sharedInstance.quickPlayRoomPerGameRef.queryOrderedByChild("userSayisi").queryEqualToValue(1).queryLimitedToLast(1).observeSingleEventOfType(.Value, withBlock: { (snapshot) in
if snapshot.exists(){
let odaAdi = snapshot.children.allObjects[0] as! FIRDataSnapshot
Model.sharedInstance.QuickPlayOdaAdi = odaAdi.key
let interval = NSDate().timeIntervalSince1970
let info = ["photoUrl":Model.sharedInstance.userPictureUrl,
"uid":Model.sharedInstance.userFirebaseID,
"IQ":Model.sharedInstance.userIQ,
"name":Model.sharedInstance.username,
"isSiraBende":0,
"gizliSayi":Model.sharedInstance.gizliSayi,
"isReady":Model.sharedInstance.isReadyForPlaying,
"isWin":Model.sharedInstance.isWin,
"sonTahminim":Model.sharedInstance.rakipSonTahmini,
"date":interval
]
Model.sharedInstance.quickPlayRoomPerGameRef.child(Model.sharedInstance.QuickPlayOdaAdi).child(Model.sharedInstance.userFirebaseID).setValue(info)
Model.sharedInstance.quickPlayRoomPerGameRef.child(Model.sharedInstance.QuickPlayOdaAdi).removeObserverWithHandle(Model.sharedInstance.handleJoinRoom)
Model.sharedInstance.quickPlayRoomPerGameRef.child(Model.sharedInstance.QuickPlayOdaAdi).child(Model.sharedInstance.userFirebaseID).onDisconnectRemoveValue()
Model.sharedInstance.quickPlayRoomPerGameRef.child(Model.sharedInstance.QuickPlayOdaAdi).child("userSayisi").onDisconnectRemoveValue()
Model.sharedInstance.quickPlayRoomPerGameRef.child(odaAdi.key).observeSingleEventOfType(.Value, withBlock: { (snapshot) in
print("SnapCount: \(snapshot.childrenCount)")
let ilkEleman = snapshot.children.allObjects[0] as! FIRDataSnapshot
let ikinciEleman = snapshot.children.allObjects[1] as! FIRDataSnapshot
let ucuncuEleman = snapshot.children.allObjects[2] as! FIRDataSnapshot
if ilkEleman.key != Model.sharedInstance.userFirebaseID && ilkEleman.key != "userSayisi" {
print(ilkEleman.key)
dispatch_async(GlobalBackgroundQueue, {
Model.sharedInstance.enemyName = ilkEleman.value!["name"] as! String
Model.sharedInstance.enemyIQ = ilkEleman.value!["IQ"] as! Int
Model.sharedInstance.enemyFirebaseID = ilkEleman.value!["uid"] as! String
Model.sharedInstance.enemyPictureUrl = ilkEleman.value!["photoUrl"] as! String
Model.sharedInstance.quickPlayChooseGameRef.child(Model.sharedInstance.userFirebaseID).updateChildValues(["isPlay":1])
dispatch_async(GlobalMainQueue, {
self.enemyNameLbl.text = Model.sharedInstance.enemyName
self.enemyRank.text = "\(Model.sharedInstance.enemyIQ)"
self.enemyImage.hnk_setImageFromURL(NSURL(string: Model.sharedInstance.enemyPictureUrl)!)
})
})
Model.sharedInstance.delay(2.5, closure: {
self.performSegueWithIdentifier(Model.sharedInstance.quickPlayHaneSayisi, sender: self)
})
}
else if ikinciEleman.key != Model.sharedInstance.userFirebaseID && ikinciEleman.key != "userSayisi"{
print(ikinciEleman.key)
dispatch_async(GlobalBackgroundQueue, {
Model.sharedInstance.enemyName = ikinciEleman.value!["name"] as! String
Model.sharedInstance.enemyIQ = ikinciEleman.value!["IQ"] as! Int
Model.sharedInstance.enemyFirebaseID = ikinciEleman.value!["uid"] as! String
Model.sharedInstance.enemyPictureUrl = ikinciEleman.value!["photoUrl"] as! String
Model.sharedInstance.quickPlayChooseGameRef.child(Model.sharedInstance.userFirebaseID).updateChildValues(["isPlay":1])
dispatch_async(GlobalMainQueue, {
self.enemyNameLbl.text = Model.sharedInstance.enemyName
self.enemyRank.text = "\(Model.sharedInstance.enemyIQ)"
self.enemyImage.hnk_setImageFromURL(NSURL(string: Model.sharedInstance.enemyPictureUrl)!)
})
})
Model.sharedInstance.delay(2.5, closure: {
self.performSegueWithIdentifier(Model.sharedInstance.quickPlayHaneSayisi, sender: self)
})
}
else{
print(ucuncuEleman.key)
dispatch_async(GlobalBackgroundQueue, {
Model.sharedInstance.enemyName = ucuncuEleman.value!["name"] as! String
Model.sharedInstance.enemyIQ = ucuncuEleman.value!["IQ"] as! Int
Model.sharedInstance.enemyFirebaseID = ucuncuEleman.value!["uid"] as! String
Model.sharedInstance.enemyPictureUrl = ucuncuEleman.value!["photoUrl"] as! String
Model.sharedInstance.quickPlayChooseGameRef.child(Model.sharedInstance.userFirebaseID).updateChildValues(["isPlay":1])
dispatch_async(GlobalMainQueue, {
self.enemyNameLbl.text = Model.sharedInstance.enemyName
self.enemyRank.text = "\(Model.sharedInstance.enemyIQ)"
self.enemyImage.hnk_setImageFromURL(NSURL(string: Model.sharedInstance.enemyPictureUrl)!)
})
})
Model.sharedInstance.delay(2.5, closure: {
self.performSegueWithIdentifier(Model.sharedInstance.quickPlayHaneSayisi, sender: self)
})
}
}) { (error) in
print(error)
}
}else{
self.createRoom()
}
}) { (error) in
print(error)
}
}
질문에 JSON 트리 그림이 포함되었습니다. 실제 JSON을 텍스트로 바꾸십시오. Firebase 데이터베이스 콘솔에서 내보내기 버튼을 클릭하면 쉽게 얻을 수 있습니다. JSON을 텍스트로 사용하면 검색이 가능해 지므로 실제 데이터로 테스트하고이를 사용하여 쉽게 답변 할 수 있습니다. 일반적으로 할 일은 단지 좋은 일입니다. 이미 시도한 것을 보여주는 코드를 추가하면 도움이 될 것입니다. 비록 당신이 그것을 작동시키지 못한다 할지라도, 당신이 성취하고자하는 것과 당신이 이미 그것을 작동 시키려고 시도했던 것을 명확히합니다. –
@FrankvanPuffelen 귀하의 답변에 대해 제 질문을 업데이트했습니다. –
childCount 조건을 가진'if' 블록을 반복적으로 시도해 보셨습니까? – Dravidian