Differential D7925 Diff 26904 native/account/registration/username-selection.react.js

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native/account/registration/username-selection.react.js

	// @flow			// @flow

	import * as React from 'react';			import * as React from 'react';
	import { Text } from 'react-native';			import { View, Text } from 'react-native';

				import {
				exactSearchUser,
				exactSearchUserActionTypes,
				} from 'lib/actions/user-actions.js';
				import { createLoadingStatusSelector } from 'lib/selectors/loading-selectors.js';
				import { validUsernameRegex } from 'lib/shared/account-utils.js';
				import {
				useServerCall,
				useDispatchActionPromise,
				} from 'lib/utils/action-utils.js';

	import RegistrationButtonContainer from './registration-button-container.react.js';			import RegistrationButtonContainer from './registration-button-container.react.js';
	import RegistrationButton from './registration-button.react.js';			import RegistrationButton from './registration-button.react.js';
	import RegistrationContainer from './registration-container.react.js';			import RegistrationContainer from './registration-container.react.js';
	import RegistrationContentContainer from './registration-content-container.react.js';			import RegistrationContentContainer from './registration-content-container.react.js';
	import type { RegistrationNavigationProp } from './registration-navigator.react.js';			import type { RegistrationNavigationProp } from './registration-navigator.react.js';
				import RegistrationTextInput from './registration-text-input.react.js';
	import type { CoolOrNerdMode } from './registration-types.js';			import type { CoolOrNerdMode } from './registration-types.js';
	import type { NavigationRoute } from '../../navigation/route-names.js';			import type { NavigationRoute } from '../../navigation/route-names.js';
				import { useSelector } from '../../redux/redux-utils.js';
	import { useStyles } from '../../themes/colors.js';			import { useStyles } from '../../themes/colors.js';

				const exactSearchUserLoadingStatusSelector = createLoadingStatusSelector(
				exactSearchUserActionTypes,
				);

	export type UsernameSelectionParams = {			export type UsernameSelectionParams = {
	+userSelections: {			+userSelections: {
	+coolOrNerdMode: CoolOrNerdMode,			+coolOrNerdMode: CoolOrNerdMode,
	+keyserverUsername: string,			+keyserverUsername: string,
	},			},
	};			};

				type UsernameError = 'username_invalid' \| 'username_taken';

	type Props = {			type Props = {
	+navigation: RegistrationNavigationProp<'UsernameSelection'>,			+navigation: RegistrationNavigationProp<'UsernameSelection'>,
	+route: NavigationRoute<'UsernameSelection'>,			+route: NavigationRoute<'UsernameSelection'>,
	};			};
	// eslint-disable-next-line no-unused-vars			// eslint-disable-next-line no-unused-vars
	function UsernameSelection(props: Props): React.Node {			function UsernameSelection(props: Props): React.Node {
	const onProceed = React.useCallback(() => {}, []);			const [username, setUsername] = React.useState('');
				const validUsername = username.search(validUsernameRegex) > -1;

				const [usernameError, setUsernameError] = React.useState<?UsernameError>();
	const styles = useStyles(unboundStyles);			const styles = useStyles(unboundStyles);
				const checkUsernameValidity = React.useCallback(() => {
				if (validUsername) {
				return true;
				}
				setUsernameError('username_invalid');
				return false;
				}, [validUsername]);

				const exactSearchUserCall = useServerCall(exactSearchUser);
				const dispatchActionPromise = useDispatchActionPromise();
				const onProceed = React.useCallback(async () => {
				if (!checkUsernameValidity()) {
				return;
				}

				const searchPromise = exactSearchUserCall(username);
				dispatchActionPromise(exactSearchUserActionTypes, searchPromise);
				const { userInfo } = await searchPromise;

				if (userInfo) {
				setUsernameError('username_taken');
				return;
				}

				setUsernameError(undefined);
				}, [
				checkUsernameValidity,
				username,
				exactSearchUserCall,
				dispatchActionPromise,
				]);

				const exactSearchUserCallLoading = useSelector(
				state => exactSearchUserLoadingStatusSelector(state) === 'loading',
				);
				let buttonVariant = 'disabled';
				if (exactSearchUserCallLoading) {
				buttonVariant = 'loading';
				} else if (validUsername) {
				buttonVariant = 'enabled';
				}

				let errorText;
				if (usernameError === 'username_invalid') {
				errorText = (
				<>
				<Text style={styles.errorText}>Usernames must:</Text>
				<View style={styles.listItem}>
				<Text style={[styles.errorText, styles.listItemNumber]}>{'1. '}</Text>
				<Text style={[styles.errorText, styles.listItemContent]}>
				Be at least one character long.
				</Text>
				</View>
				<View style={styles.listItem}>
				<Text style={[styles.errorText, styles.listItemNumber]}>{'2. '}</Text>
				<Text style={[styles.errorText, styles.listItemContent]}>
				Start with either a letter or a number.
				</Text>
				</View>
				<View style={styles.listItem}>
				<Text style={[styles.errorText, styles.listItemNumber]}>{'3. '}</Text>
				<Text style={[styles.errorText, styles.listItemContent]}>
				Contain only letters, numbers, or the characters “-” and “_”.
				</Text>
				</View>
				</>
				);
				} else if (usernameError === 'username_taken') {
				errorText = (
				<Text style={styles.errorText}>
				Username taken. Please try another one
				</Text>
				);
				}

	return (			return (
	<RegistrationContainer>			<RegistrationContainer>
	<RegistrationContentContainer>			<RegistrationContentContainer>
	<Text style={styles.header}>Pick a username</Text>			<Text style={styles.header}>Pick a username</Text>
				<RegistrationTextInput
				value={username}
				onChangeText={setUsername}
				placeholder="Username"
				autoFocus={true}
				autoCorrect={false}
				autoCapitalize="none"
				keyboardType="ascii-capable"
				textContentType="username"
				autoComplete="username-new"
				returnKeyType="next"
				onSubmitEditing={onProceed}
				editable={!exactSearchUserCallLoading}
				onBlur={checkUsernameValidity}
				/>
				<View style={styles.error}>{errorText}</View>
	</RegistrationContentContainer>			</RegistrationContentContainer>
	<RegistrationButtonContainer>			<RegistrationButtonContainer>
	<RegistrationButton			<RegistrationButton
	onPress={onProceed}			onPress={onProceed}
	label="Next"			label="Next"
	variant="disabled"			variant={buttonVariant}
	/>			/>
	</RegistrationButtonContainer>			</RegistrationButtonContainer>
	</RegistrationContainer>			</RegistrationContainer>
	);			);
	}			}

	const unboundStyles = {			const unboundStyles = {
	header: {			header: {
	fontSize: 24,			fontSize: 24,
	color: 'panelForegroundLabel',			color: 'panelForegroundLabel',
	paddingBottom: 16,			paddingBottom: 16,
	},			},
				error: {
				marginTop: 16,
				},
				errorText: {
				fontFamily: 'Arial',
				fontSize: 15,
				lineHeight: 20,
				color: 'redText',
				},
				listItem: {
				flexDirection: 'row',
				},
				listItemNumber: {
				fontWeight: 'bold',
				},
				listItemContent: {
				flexShrink: 1,
				},
	};			};

	export default UsernameSelection;			export default UsernameSelection;