Приложение
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Халимов Рустам
53
client-mobile/auth/presentation/AuthViewModel.kt
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53
client-mobile/auth/presentation/AuthViewModel.kt
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package auth.presentation
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.viewModelScope
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import auth.domain.repository.AuthRepository
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import dagger.hilt.android.lifecycle.HiltViewModel
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import kotlinx.coroutines.flow.MutableStateFlow
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import kotlinx.coroutines.flow.StateFlow
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import kotlinx.coroutines.flow.asStateFlow
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import kotlinx.coroutines.flow.update
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import kotlinx.coroutines.launch
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import javax.inject.Inject
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data class AuthState(
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val isLoading: Boolean = false,
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val error: String? = null,
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val isAuthenticated: Boolean = false
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)
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@HiltViewModel
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class AuthViewModel @Inject constructor(
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private val repository: AuthRepository
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) : ViewModel() {
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private val _state = MutableStateFlow(AuthState())
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val state: StateFlow<AuthState> = _state.asStateFlow()
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fun login(userName: String, password: String) {
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viewModelScope.launch {
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_state.update { it.copy(isLoading = true, error = null) }
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repository.login(userName, password)
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.onSuccess {
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_state.update { it.copy(isLoading = false, isAuthenticated = true) }
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}
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.onFailure { e ->
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_state.update { it.copy(isLoading = false, error = e.message) }
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}
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}
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}
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fun register(userName: String, password: String) {
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viewModelScope.launch {
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_state.update { it.copy(isLoading = true, error = null) }
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repository.register(userName, password)
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.onSuccess {
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_state.update { it.copy(isLoading = false, isAuthenticated = true) }
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}
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.onFailure { e ->
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_state.update { it.copy(isLoading = false, error = e.message) }
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}
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}
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}
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}
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95
client-mobile/auth/presentation/LoginScreen.kt
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95
client-mobile/auth/presentation/LoginScreen.kt
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package auth.presentation
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import androidx.compose.foundation.layout.*
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import androidx.compose.material.icons.Icons
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import androidx.compose.material.icons.filled.Settings
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import androidx.compose.material3.*
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import androidx.compose.runtime.*
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.res.stringResource
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import androidx.compose.ui.text.input.PasswordVisualTransformation
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import androidx.compose.ui.unit.dp
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import ru.knot.messager.R
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@OptIn(ExperimentalMaterial3Api::class)
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@Composable
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fun LoginScreen(
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viewModel: AuthViewModel,
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onNavigateToRegister: () -> Unit,
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onNavigateToSettings: () -> Unit,
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onLoginSuccess: () -> Unit
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) {
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val state by viewModel.state.collectAsState()
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var userName by remember { mutableStateOf("") }
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var password by remember { mutableStateOf("") }
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LaunchedEffect(state.isAuthenticated) {
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if (state.isAuthenticated) {
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onLoginSuccess()
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}
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}
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Scaffold(
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topBar = {
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TopAppBar(
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title = { Text(stringResource(R.string.login)) },
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actions = {
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IconButton(onClick = onNavigateToSettings) {
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Icon(Icons.Default.Settings, contentDescription = stringResource(R.string.settings))
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}
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}
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)
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}
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) { paddingValues ->
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Column(
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modifier = Modifier
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.fillMaxSize()
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.padding(paddingValues)
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.padding(16.dp),
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horizontalAlignment = Alignment.CenterHorizontally,
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verticalArrangement = Arrangement.Center
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) {
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OutlinedTextField(
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value = userName,
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onValueChange = { userName = it },
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label = { Text(stringResource(R.string.username)) },
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modifier = Modifier.fillMaxWidth(),
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singleLine = true
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)
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Spacer(modifier = Modifier.height(8.dp))
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OutlinedTextField(
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value = password,
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onValueChange = { password = it },
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label = { Text(stringResource(R.string.password)) },
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modifier = Modifier.fillMaxWidth(),
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visualTransformation = PasswordVisualTransformation(),
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singleLine = true
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)
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Spacer(modifier = Modifier.height(16.dp))
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if (state.isLoading) {
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CircularProgressIndicator()
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} else {
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Button(
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onClick = { viewModel.login(userName, password) },
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modifier = Modifier.fillMaxWidth(),
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enabled = userName.isNotBlank() && password.isNotBlank()
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) {
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Text(stringResource(R.string.login))
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}
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TextButton(onClick = onNavigateToRegister) {
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Text(stringResource(R.string.no_account_register))
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}
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}
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if (state.error != null) {
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Text(
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text = state.error!!,
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color = MaterialTheme.colorScheme.error,
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modifier = Modifier.padding(top = 8.dp)
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)
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}
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}
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}
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}
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106
client-mobile/auth/presentation/RegisterScreen.kt
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106
client-mobile/auth/presentation/RegisterScreen.kt
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@@ -0,0 +1,106 @@
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package auth.presentation
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import androidx.compose.foundation.layout.*
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import androidx.compose.material3.*
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import androidx.compose.runtime.*
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.res.stringResource
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import androidx.compose.ui.text.input.PasswordVisualTransformation
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import androidx.compose.ui.unit.dp
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import ru.knot.messager.R
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@OptIn(ExperimentalMaterial3Api::class)
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@Composable
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fun RegisterScreen(
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viewModel: AuthViewModel,
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onNavigateToLogin: () -> Unit,
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onRegisterSuccess: () -> Unit
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) {
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val state by viewModel.state.collectAsState()
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var userName by remember { mutableStateOf("") }
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var password by remember { mutableStateOf("") }
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var confirmPassword by remember { mutableStateOf("") }
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var errorMessage by remember { mutableStateOf<String?>(null) }
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val passwordsNotMatchMsg = stringResource(R.string.passwords_not_match)
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LaunchedEffect(state.isAuthenticated) {
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if (state.isAuthenticated) {
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onRegisterSuccess()
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}
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}
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Scaffold(
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topBar = {
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TopAppBar(title = { Text(stringResource(R.string.register)) })
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}
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) { paddingValues ->
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Column(
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modifier = Modifier
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.fillMaxSize()
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.padding(paddingValues)
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.padding(16.dp),
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horizontalAlignment = Alignment.CenterHorizontally,
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verticalArrangement = Arrangement.Center
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) {
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OutlinedTextField(
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value = userName,
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onValueChange = { userName = it },
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label = { Text(stringResource(R.string.username)) },
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modifier = Modifier.fillMaxWidth(),
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singleLine = true
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)
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Spacer(modifier = Modifier.height(8.dp))
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OutlinedTextField(
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value = password,
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onValueChange = { password = it },
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label = { Text(stringResource(R.string.password)) },
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modifier = Modifier.fillMaxWidth(),
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visualTransformation = PasswordVisualTransformation(),
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singleLine = true
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)
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Spacer(modifier = Modifier.height(8.dp))
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OutlinedTextField(
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value = confirmPassword,
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onValueChange = { confirmPassword = it },
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label = { Text(stringResource(R.string.confirm_password)) },
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modifier = Modifier.fillMaxWidth(),
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visualTransformation = PasswordVisualTransformation(),
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singleLine = true
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)
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Spacer(modifier = Modifier.height(16.dp))
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if (state.isLoading) {
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CircularProgressIndicator()
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} else {
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Button(
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onClick = {
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if (password == confirmPassword) {
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errorMessage = null
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viewModel.register(userName, password)
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} else {
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errorMessage = passwordsNotMatchMsg
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}
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},
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modifier = Modifier.fillMaxWidth(),
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enabled = userName.isNotBlank() && password.isNotBlank() && confirmPassword.isNotBlank()
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) {
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Text(stringResource(R.string.register))
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}
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TextButton(onClick = onNavigateToLogin) {
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Text(stringResource(R.string.already_have_account))
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}
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}
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val displayError = state.error ?: errorMessage
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if (displayError != null) {
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Text(
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text = displayError,
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color = MaterialTheme.colorScheme.error,
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modifier = Modifier.padding(top = 8.dp)
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)
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}
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}
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}
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}
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