Slide 23
Slide 23 text
Realtime Database
let withBlock = { (snapshot: FIRDataSnapshot) in
// received chat data
if let dictionary = snapshot.value as? [String : AnyObject] {
guard let isRoleProf = dictionary["is_role_prof"] as? Bool,
let timeMsec = dictionary["time_msec"] as? UInt64,
let senderIdString = dictionary["sender_id"] as? String,
let senderId = Int(senderIdString),
let text = dictionary["text"] as? String else {
return
}
let time:Double = Double(timeMsec) / 1000
}
var data:ChatDataStruct
if isRoleProf {
// prof
data = ChatDataStruct(messageSender: .YOU, message: text, displayTime:
self.displayTimeFormatter.string(from: Date(timeIntervalSince1970: time)))
} else {
// member
data = ChatDataStruct(messageSender: .ME, message: text, displayTime:
self.displayTimeFormatter.string(from: Date(timeIntervalSince1970: time)))
}
self.chatTableReload(data: data)
}
firebaseChatObserveHandle = firebaseUserReference.child(`Firebaseͷύε
`).observe(.childAdded, with: withBlock)
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