a914-gowtham

private fun signInWithPhoneAuthCredential(credential: PhoneAuthCredential) {
        FirebaseAuth.getInstance().signInWithCredential(credential)
            .addOnCompleteListener { task ->
                if (task.isSuccessful) {
                    Timber.v("signInWithCredential:success ${taskId.result?.user?.uid}")
                } else {
                    Timber.v("signInWithCredential:failure ${task.exception}")
                    if (task.exception is FirebaseAuthInvalidCredentialsException)
                        context.toast("Invalid verification code!")
                }

a914-gowtham

data class UserProfile(var uId: String,
                       @ServerTimestamp
                       var createdAt: Date?=null,
                       @ServerTimestamp
                       var updatedAt: Date?=null,
                       var image: String="", 
                       @get:PropertyName("user_name")
                       @set:PropertyName("user_name")
                       var userName: String="",
                       var token :String="",

a914-gowtham

fun insertUser(){
   val mobileNumber= MobileNumber("+91","9876543210")

   val profile = UserProfile(
            uId= userId,
            image = "https://i.pravatar.cc/150?img=2",
            userName = "otis",
            mobile = mobileNumber,
            token = "el3LZrv0QmK5k-vjoO970:APA91bF8XKRqqTmf2n7E2PUrVDaxvhxq3WAIwQ5sHqLkwGbiICkebrCpkpwJvrVrvcJiDgaeLndJQwJDWvv2ad-W0SGDpDyuYgrQGFo5eDQSvce20gS1Q5ijmkD-QmzBAgFoRVaDi2u",
        )

a914-gowtham

interface QueryListener{
    fun onCompleted(queriedList: ArrayList<UserProfile>)
    fun onStart(position: Int,contactBatch: ArrayList<String>)
}

class ContactsQuery{

    companion object{
        var queriedList=ArrayList<UserProfile>()
        var currentQueryCount=0

a914-gowtham

object UserUtils {

fun queryContacts() {
      val listOfContact= mutableListOf<String>()
      listOfContacts.add("9500552211")
      listOfContacts.add("9500552212")
      listOfContacts.add("9500552213")
      listOfContacts.add("9500552214")
      listOfContacts.add("9500552215")
      listOfContacts.add("9500552216")

a914-gowtham

data class ChatUser(
    @PrimaryKey
    var id: String,var localName: String,var user: UserProfile, var messageDocId: String="",
    var locallySaved: Boolean=false,
    var unRead: Int=0)

a914-gowtham

data class Contact(var name: String,var mobile: String)


object UserUtils {
/*
creating data for query
*/

private val onQueryListener=object : QueryListener {
        override fun onCompleted(queriedList: ArrayList<UserProfile>) {

a914-gowtham

data class Message(
    @PrimaryKey
    val id: String,
    var chatUsers: ArrayList<String>,
    @ServerTimestamp
    var createdAt: Date?=Date(),
    var type: String="text",//0=text,1=audio,2=image,3=video,4=file
    var status: Int=0,//0=sending,1=sent,2=delivered,3=seen,4=failed
    var textMessage: TextMessage=TextMessage("hello chat"),
    @ServerTimestamp

a914-gowtham

class FSingleChat : Fragment(), MessageSenderCallback{

   @Inject  
   lateinit var dbRepository: DbRepository  


 fun sendMessage(){
   val message= createMessage("my first message")
   msgDao.insertMessage(message)
   val db = FirebaseFirestore.getInstance()

a914-gowtham

interface MessageSenderCallback{
    fun onSuccess(message: Message)
    fun onFailed(message: Message)
}

class MessageSender(private val msgCollection: CollectionReference,
                    private val dbRepo: DbRepository, private val chatUser: ChatUser,
                    private val listener: MessageSenderCallback) {