update

app/src/main/java/com/example/buspayment/data/User.kt

@@ -10,5 +10,6 @@ data class User(
 	val name: String,
 	val email: String,
 	val phone: String,
-	val role: String
+	val role: String,
+	val balance: Double
 )

app/src/main/java/com/example/buspayment/navigations/NavGraph.kt

@@ -4,8 +4,9 @@ import androidx.compose.runtime.Composable
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
+import com.example.buspayment.screens.admin.AddBusScreen
 import com.example.buspayment.screens.admin.AdminHomeScreen
-import com.example.buspayment.screens.admin.ManageAccounts
+import com.example.buspayment.screens.admin.ManageAccountsScreen
 import com.example.buspayment.screens.admin.ManageBusScreen
 import com.example.buspayment.screens.common.LoginScreen
 import com.example.buspayment.screens.common.RegisterScreen
@@ -67,7 +68,7 @@ fun SetupNavGraph(navController: NavHostController) {
 		composable(
 			route = Screens.MAccount.route
 		) {
-			ManageAccounts(navController)
+			ManageAccountsScreen(navController)
 		}
 
 		composable(
@@ -105,5 +106,10 @@ fun SetupNavGraph(navController: NavHostController) {
 		) {
 			ManageBusScreen(navController)
 		}
+		composable(
+			route = Screens.ABus.route
+		) {
+			AddBusScreen(navController)
+		}
 	}
 }

app/src/main/java/com/example/buspayment/navigations/Screens.kt

@@ -11,6 +11,8 @@ sealed class Screens(val route: String) {
 	object Register : Screens(route = "register_screen")
 	object AHome : Screens(route = "admin_home_screen")
 	object MBus : Screens(route = "mbus_screen")
+	object ABus : Screens(route = "abus_screen")
+
 	object MAccount : Screens(route = "admin_manage_account_screen")
 	object CHome : Screens(route = "conductor_home_screen")
 	object PList : Screens(route = "payment_list_screen")

app/src/main/java/com/example/buspayment/realtimeDB/repository/DBRepository.kt

@@ -1,6 +1,7 @@
 package com.example.buspayment.realtimeDB.repository
 
 import com.example.buspayment.realtimeDB.responses.RealtimeBusResponse
+import com.example.buspayment.realtimeDB.responses.RealtimeDistanceResponse
 import com.example.buspayment.realtimeDB.responses.RealtimeUserResponse
 import com.example.buspayment.utils.ResultState
 import com.google.firebase.database.DataSnapshot
@@ -108,6 +109,33 @@ class DBRepository @Inject constructor(
 			}
 		}
 
+	override fun getDistance(): Flow<ResultState<List<RealtimeDistanceResponse>>> = callbackFlow {
+		trySend(ResultState.Loading)
+
+		val valueEvent = object : ValueEventListener {
+			override fun onDataChange(snapshot: DataSnapshot) {
+				val distance = snapshot.children.map {
+					RealtimeDistanceResponse(
+						it.getValue(RealtimeDistanceResponse.DistanceResponse::class.java),
+						key = it.key
+					)
+				}
+				trySend(ResultState.Success(distance))
+			}
+
+			override fun onCancelled(error: DatabaseError) {
+				trySend(ResultState.Failure(error.toException()))
+			}
+
+		}
+
+		db.child("distance").addValueEventListener(valueEvent)
+		awaitClose {
+			db.child("distance").removeEventListener(valueEvent)
+			close()
+		}
+	}
+
 	override fun getBus(): Flow<ResultState<List<RealtimeBusResponse>>> = callbackFlow {
 		trySend(ResultState.Loading)
 

app/src/main/java/com/example/buspayment/realtimeDB/repository/Repository.kt

@@ -1,6 +1,7 @@
 package com.example.buspayment.realtimeDB.repository
 
 import com.example.buspayment.realtimeDB.responses.RealtimeBusResponse
+import com.example.buspayment.realtimeDB.responses.RealtimeDistanceResponse
 import com.example.buspayment.realtimeDB.responses.RealtimeUserResponse
 import com.example.buspayment.utils.ResultState
 import kotlinx.coroutines.flow.Flow
@@ -12,6 +13,7 @@ interface Repository {
 
 	fun getUser(): Flow<ResultState<List<RealtimeUserResponse>>>
 	fun getBus(): Flow<ResultState<List<RealtimeBusResponse>>>
+	fun getDistance(): Flow<ResultState<List<RealtimeDistanceResponse>>>
 	fun delete(
 		key: String
 	): Flow<ResultState<String>>

app/src/main/java/com/example/buspayment/realtimeDB/responses/RealtimeDistanceResponse.kt

@@ -0,0 +1,11 @@
+package com.example.buspayment.realtimeDB.responses
+
+data class RealtimeDistanceResponse(
+	val dist: DistanceResponse?,
+	val key: String?,
+) {
+	data class DistanceResponse(
+		val name: String = "",
+		val value: Double = 0.0,
+	)
+}

app/src/main/java/com/example/buspayment/realtimeDB/ui/RealtimeViewModel.kt

@@ -7,6 +7,7 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.example.buspayment.realtimeDB.repository.Repository
 import com.example.buspayment.realtimeDB.responses.RealtimeBusResponse
+import com.example.buspayment.realtimeDB.responses.RealtimeDistanceResponse
 import com.example.buspayment.realtimeDB.responses.RealtimeUserResponse
 import com.example.buspayment.utils.ResultState
 import dagger.hilt.android.lifecycle.HiltViewModel
@@ -17,8 +18,12 @@ import javax.inject.Inject
 class RealtimeViewModel @Inject constructor(
 	private val repo: Repository
 ) : ViewModel() {
-	private val _res: MutableState<UserState> = mutableStateOf(UserState())
-	val res: State<UserState> = _res
+	private val _userRes: MutableState<UserState> = mutableStateOf(UserState())
+	val userRes: State<UserState> = _userRes
+	private val _distRes: MutableState<DistState> = mutableStateOf(DistState())
+	val distRes: State<DistState> = _distRes
+	private val _busRes: MutableState<BusState> = mutableStateOf(BusState())
+	val busRes: State<BusState> = _busRes
 	fun addUser(users: RealtimeUserResponse.UserResponse) = repo.addUser(users)
 	fun addBus(bus: RealtimeBusResponse.BusResponse) = repo.addBus(bus)
 
@@ -27,19 +32,65 @@ class RealtimeViewModel @Inject constructor(
 			repo.getUser().collect {
 				when (it) {
 					is ResultState.Success -> {
-						_res.value = UserState(
+						_userRes.value = UserState(
 							user = it.data
 						)
 					}
 
 					is ResultState.Failure -> {
-						_res.value = UserState(
+						_userRes.value = UserState(
 							error = it.msg.toString()
 						)
 					}
 
 					is ResultState.Loading -> {
-						_res.value = UserState(
+						_userRes.value = UserState(
+							isLoading = true
+						)
+					}
+				}
+			}
+		}
+		viewModelScope.launch {
+			repo.getBus().collect {
+				when (it) {
+					is ResultState.Success -> {
+						_busRes.value = BusState(
+							bus = it.data
+						)
+					}
+
+					is ResultState.Failure -> {
+						_busRes.value = BusState(
+							error = it.msg.toString()
+						)
+					}
+
+					is ResultState.Loading -> {
+						_busRes.value = BusState(
+							isLoading = true
+						)
+					}
+				}
+			}
+		}
+		viewModelScope.launch {
+			repo.getDistance().collect {
+				when (it) {
+					is ResultState.Success -> {
+						_distRes.value = DistState(
+							dist = it.data
+						)
+					}
+
+					is ResultState.Failure -> {
+						_busRes.value = BusState(
+							error = it.msg.toString()
+						)
+					}
+
+					is ResultState.Loading -> {
+						_busRes.value = BusState(
 							isLoading = true
 						)
 					}
@@ -56,4 +107,16 @@ data class UserState(
 	val user: List<RealtimeUserResponse> = emptyList(),
 	val error: String = "",
 	val isLoading: Boolean = false
-)
+)
+
+data class BusState(
+	val bus: List<RealtimeBusResponse> = emptyList(),
+	val error: String = "",
+	val isLoading: Boolean = false
+)
+
+data class DistState(
+	val dist: List<RealtimeDistanceResponse> = emptyList(),
+	val error: String = "",
+	val isLoading: Boolean = false
+)

app/src/main/java/com/example/buspayment/screens/admin/AddBusScreen.kt

@@ -0,0 +1,106 @@
+@file:OptIn(ExperimentalMaterial3Api::class)
+
+package com.example.buspayment.screens.admin
+
+import android.widget.Toast
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import com.example.buspayment.realtimeDB.responses.RealtimeBusResponse
+import com.example.buspayment.realtimeDB.ui.RealtimeViewModel
+import com.example.buspayment.utils.ResultState
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+
+@Composable
+fun AddBusScreen(
+	navController: NavController,
+	viewModel: RealtimeViewModel = hiltViewModel()
+) {
+	var busName by remember { mutableStateOf("") }
+	val scope = rememberCoroutineScope()
+	val context = LocalContext.current
+	Column {
+		Row(
+			Modifier
+				.fillMaxWidth()
+				.background(Color.Red, RoundedCornerShape(0.dp, 0.dp, 30.dp, 30.dp))
+				.padding(20.dp),
+			horizontalArrangement = Arrangement.SpaceBetween,
+			verticalAlignment = Alignment.CenterVertically,
+		) {
+			Icon(
+				modifier = Modifier.clickable {
+					navController.popBackStack()
+				}, imageVector = Icons.Filled.ArrowBack, contentDescription = "Back button"
+			)
+			Text(text = "Manage buses", style = MaterialTheme.typography.headlineSmall)
+			Text(text = "", style = MaterialTheme.typography.headlineSmall)
+		}
+		Column(
+			Modifier.fillMaxSize(),
+			horizontalAlignment = Alignment.CenterHorizontally,
+			verticalArrangement = Arrangement.Center
+		) {
+			OutlinedTextField(
+				busName,
+				{ text ->
+					busName = text
+				},
+			)
+			Button(onClick = {
+				scope.launch(Dispatchers.Main) {
+					viewModel.addBus(
+						RealtimeBusResponse.BusResponse(
+							name = busName,
+							"",
+							"Chandra",
+							"Mirpur"
+						)
+					).collect { response ->
+						when (response) {
+							is ResultState.Success -> {
+								Toast.makeText(context, "User created", Toast.LENGTH_LONG).show()
+							}
+
+							is ResultState.Failure -> {
+								Toast.makeText(context, "Failed", Toast.LENGTH_LONG).show()
+							}
+
+							is ResultState.Loading -> {}
+						}
+					}
+				}
+			}) {
+				Text("Submit")
+			}
+		}
+	}
+}