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| 1 | +package com.firebase.ui.auth.ui.email |
| 2 | + |
| 3 | +import android.annotation.SuppressLint |
| 4 | +import android.text.TextUtils |
| 5 | +import androidx.compose.foundation.layout.* |
| 6 | +import androidx.compose.foundation.rememberScrollState |
| 7 | +import androidx.compose.foundation.text.KeyboardActions |
| 8 | +import androidx.compose.foundation.text.KeyboardOptions |
| 9 | +import androidx.compose.foundation.verticalScroll |
| 10 | +import androidx.compose.material3.* |
| 11 | +import androidx.compose.runtime.* |
| 12 | +import androidx.compose.ui.Alignment |
| 13 | +import androidx.compose.ui.Modifier |
| 14 | +import androidx.compose.ui.platform.LocalContext |
| 15 | +import androidx.compose.ui.platform.LocalSoftwareKeyboardController |
| 16 | +import androidx.compose.ui.res.stringResource |
| 17 | +import androidx.compose.ui.text.input.ImeAction |
| 18 | +import androidx.compose.ui.text.input.KeyboardType |
| 19 | +import androidx.compose.ui.text.style.TextAlign |
| 20 | +import androidx.compose.ui.unit.dp |
| 21 | +import androidx.compose.foundation.layout.systemBarsPadding |
| 22 | +import com.firebase.ui.auth.R |
| 23 | +import com.firebase.ui.auth.data.model.FlowParameters |
| 24 | +import com.firebase.ui.auth.data.model.User |
| 25 | +import com.firebase.ui.auth.ui.idp.TermsAndPrivacyText |
| 26 | +import com.google.firebase.auth.EmailAuthProvider |
| 27 | + |
| 28 | +@SuppressLint("WrongConstant") |
| 29 | +@Composable |
| 30 | +fun CheckEmailScreen( |
| 31 | + modifier: Modifier = Modifier, |
| 32 | + flowParameters: FlowParameters, |
| 33 | + initialEmail: String? = null, |
| 34 | + onExistingEmailUser: (User) -> Unit, |
| 35 | + onExistingIdpUser: (User) -> Unit, |
| 36 | + onNewUser: (User) -> Unit, |
| 37 | + onDeveloperFailure: (Exception) -> Unit, |
| 38 | +) { |
| 39 | + var email by remember { mutableStateOf(initialEmail ?: "") } |
| 40 | + var isEmailError by remember { mutableStateOf(false) } |
| 41 | + var emailErrorText by remember { mutableStateOf("") } |
| 42 | + var isLoading by remember { mutableStateOf(false) } |
| 43 | + val keyboardController = LocalSoftwareKeyboardController.current |
| 44 | + val context = LocalContext.current |
| 45 | + |
| 46 | + LaunchedEffect(initialEmail) { |
| 47 | + if (!initialEmail.isNullOrEmpty()) { |
| 48 | + email = initialEmail |
| 49 | + } |
| 50 | + } |
| 51 | + |
| 52 | + fun validateEmail(): Boolean { |
| 53 | + return when { |
| 54 | + TextUtils.isEmpty(email) -> { |
| 55 | + isEmailError = true |
| 56 | + emailErrorText = context.getString(R.string.fui_required_field) |
| 57 | + false |
| 58 | + } |
| 59 | + !android.util.Patterns.EMAIL_ADDRESS.matcher(email).matches() -> { |
| 60 | + isEmailError = true |
| 61 | + emailErrorText = context.getString(R.string.fui_invalid_email_address) |
| 62 | + false |
| 63 | + } |
| 64 | + else -> true |
| 65 | + } |
| 66 | + } |
| 67 | + |
| 68 | + fun getEmailProvider(): String { |
| 69 | + flowParameters.providers.forEach { config -> |
| 70 | + if (EmailAuthProvider.EMAIL_LINK_SIGN_IN_METHOD == config.providerId) { |
| 71 | + return EmailAuthProvider.EMAIL_LINK_SIGN_IN_METHOD |
| 72 | + } |
| 73 | + } |
| 74 | + return EmailAuthProvider.PROVIDER_ID |
| 75 | + } |
| 76 | + |
| 77 | + val signIn = { |
| 78 | + if (validateEmail()) { |
| 79 | + isLoading = true |
| 80 | + val provider = getEmailProvider() |
| 81 | + val user = User.Builder(provider, email).build() |
| 82 | + onExistingEmailUser(user) |
| 83 | + } |
| 84 | + } |
| 85 | + |
| 86 | + val signUp = { |
| 87 | + if (validateEmail()) { |
| 88 | + isLoading = true |
| 89 | + val provider = getEmailProvider() |
| 90 | + val user = User.Builder(provider, email).build() |
| 91 | + onNewUser(user) |
| 92 | + } |
| 93 | + } |
| 94 | + |
| 95 | + Scaffold( |
| 96 | + modifier = modifier |
| 97 | + .fillMaxSize() |
| 98 | + .systemBarsPadding(), |
| 99 | + containerColor = MaterialTheme.colorScheme.background |
| 100 | + ) { innerPadding -> |
| 101 | + Column( |
| 102 | + modifier = Modifier |
| 103 | + .padding(innerPadding) |
| 104 | + .fillMaxSize() |
| 105 | + .verticalScroll(rememberScrollState()) |
| 106 | + .padding(horizontal = 24.dp), |
| 107 | + horizontalAlignment = Alignment.CenterHorizontally |
| 108 | + ) { |
| 109 | + if (isLoading) { |
| 110 | + LinearProgressIndicator( |
| 111 | + modifier = Modifier |
| 112 | + .fillMaxWidth() |
| 113 | + .height(4.dp) |
| 114 | + ) |
| 115 | + Spacer(Modifier.height(16.dp)) |
| 116 | + } else { |
| 117 | + Spacer(Modifier.height(24.dp)) |
| 118 | + } |
| 119 | + |
| 120 | + Text( |
| 121 | + text = stringResource(R.string.fui_email_link_confirm_email_message), |
| 122 | + style = MaterialTheme.typography.titleLarge, |
| 123 | + textAlign = TextAlign.Start, |
| 124 | + modifier = Modifier.fillMaxWidth() |
| 125 | + ) |
| 126 | + |
| 127 | + Spacer(Modifier.height(32.dp)) |
| 128 | + |
| 129 | + OutlinedTextField( |
| 130 | + value = email, |
| 131 | + onValueChange = { |
| 132 | + email = it |
| 133 | + isEmailError = false |
| 134 | + }, |
| 135 | + label = { Text(stringResource(R.string.fui_email_hint)) }, |
| 136 | + isError = isEmailError, |
| 137 | + supportingText = if (isEmailError) { |
| 138 | + { Text(emailErrorText) } |
| 139 | + } else null, |
| 140 | + keyboardOptions = KeyboardOptions( |
| 141 | + keyboardType = KeyboardType.Email, |
| 142 | + imeAction = ImeAction.Done |
| 143 | + ), |
| 144 | + keyboardActions = KeyboardActions( |
| 145 | + onDone = { |
| 146 | + keyboardController?.hide() |
| 147 | + signIn() |
| 148 | + } |
| 149 | + ), |
| 150 | + shape = MaterialTheme.shapes.medium, |
| 151 | + colors = OutlinedTextFieldDefaults.colors( |
| 152 | + focusedBorderColor = MaterialTheme.colorScheme.primary, |
| 153 | + unfocusedBorderColor = MaterialTheme.colorScheme.outline, |
| 154 | + focusedLabelColor = MaterialTheme.colorScheme.primary, |
| 155 | + unfocusedLabelColor = MaterialTheme.colorScheme.onSurfaceVariant, |
| 156 | + cursorColor = MaterialTheme.colorScheme.primary, |
| 157 | + errorBorderColor = MaterialTheme.colorScheme.error, |
| 158 | + errorLabelColor = MaterialTheme.colorScheme.error, |
| 159 | + errorSupportingTextColor = MaterialTheme.colorScheme.error |
| 160 | + ), |
| 161 | + modifier = Modifier |
| 162 | + .fillMaxWidth() |
| 163 | + .padding(bottom = if (isEmailError) 8.dp else 0.dp) |
| 164 | + ) |
| 165 | + |
| 166 | + Spacer(Modifier.height(24.dp)) |
| 167 | + |
| 168 | + Row( |
| 169 | + modifier = Modifier.fillMaxWidth(), |
| 170 | + horizontalArrangement = Arrangement.End, |
| 171 | + verticalAlignment = Alignment.CenterVertically |
| 172 | + ) { |
| 173 | + OutlinedButton( |
| 174 | + onClick = signUp, |
| 175 | + enabled = !isLoading, |
| 176 | + modifier = Modifier |
| 177 | + .height(48.dp) |
| 178 | + ) { |
| 179 | + Text(stringResource(R.string.fui_title_register_email)) |
| 180 | + } |
| 181 | + |
| 182 | + Spacer(Modifier.width(8.dp)) |
| 183 | + |
| 184 | + Button( |
| 185 | + onClick = signIn, |
| 186 | + enabled = !isLoading, |
| 187 | + modifier = Modifier |
| 188 | + .height(48.dp) |
| 189 | + ) { |
| 190 | + Text(stringResource(R.string.fui_sign_in_default)) |
| 191 | + } |
| 192 | + } |
| 193 | + |
| 194 | + Spacer(Modifier.weight(1f)) |
| 195 | + |
| 196 | + if (flowParameters.isPrivacyPolicyUrlProvided() && |
| 197 | + flowParameters.isTermsOfServiceUrlProvided() |
| 198 | + ) { |
| 199 | + TermsAndPrivacyText( |
| 200 | + tosUrl = flowParameters.termsOfServiceUrl!!, |
| 201 | + ppUrl = flowParameters.privacyPolicyUrl!!, |
| 202 | + modifier = Modifier |
| 203 | + .fillMaxWidth() |
| 204 | + .padding(vertical = 16.dp) |
| 205 | + ) |
| 206 | + } |
| 207 | + } |
| 208 | + } |
| 209 | +} |
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