// /App/Views/Login/LoginView.js import React, {Component} from 'react'; import { View, Text, TouchableOpacity, Image, TextInput } from 'react-native'; import Spinner from 'react-native-loading-spinner-overlay'; import APIKit, {setClientToken} from '../../../shared/APIKit'; const initialState = { username: '', password: '', errors: {}, isAuthorized: false, isLoading: false, }; class Login extends Component { state = initialState; componentWillUnmount() {} onUsernameChange = username => { this.setState({username}); }; onPasswordChange = password => { this.setState({password}); }; onPressLogin() { const {username, password} = this.state; const payload = {username, password}; console.log(payload); const onSuccess = ({data}) => { // Set JSON Web Token on success setClientToken(data.token); this.setState({isLoading: false, isAuthorized: true}); }; const onFailure = error => { console.log(error && error.response); this.setState({errors: error.response.data, isLoading: false}); }; // Show spinner when call is made this.setState({isLoading: true}); APIKit.post('/api-token-auth/', payload) .then(onSuccess) .catch(onFailure); } getNonFieldErrorMessage() { // Return errors that are served in `non_field_errors` let message = null; const {errors} = this.state; if (errors.non_field_errors) { message = ( {errors.non_field_errors.map(item => ( {item} ))} ); } return message; } getErrorMessageByField(field) { // Checks for error message in specified field // Shows error message from backend let message = null; if (this.state.errors[field]) { message = ( {this.state.errors[field].map(item => ( {item} ))} ); } return message; } render() { const {isLoading} = this.state; return ( {!this.state.isAuthorized ? this.passwordInput.wrappedInstance.focus() } onChangeText={this.onUsernameChange} underlineColorAndroid="transparent" placeholderTextColor="#999" /> {this.getErrorMessageByField('username')} { this.passwordInput = node; }} style={styles.input} value={this.state.password} maxLength={40} placeholder="Enter password..." onChangeText={this.onPasswordChange} autoCapitalize="none" autoCorrect={false} returnKeyType="done" blurOnSubmit onSubmitEditing={this.onPressLogin.bind(this)} secureTextEntry underlineColorAndroid="transparent" placeholderTextColor="#999" /> {this.getErrorMessageByField('password')} {this.getNonFieldErrorMessage()} LOGIN : Successfully authorized!} ); } } // Define some colors and default sane values const utils = { colors: {primaryColor: '#af0e66'}, dimensions: {defaultPadding: 12}, fonts: {largeFontSize: 18, mediumFontSize: 16, smallFontSize: 12}, }; // Define styles here const styles = { innerContainer: { marginBottom: 32, }, logotypeContainer: { alignItems: 'center', }, logotype: { maxWidth: 280, maxHeight: 100, resizeMode: 'contain', alignItems: 'center', }, containerStyle: { flex: 1, alignItems: 'center', justifyContent: 'center', backgroundColor: '#f6f6f6', }, input: { height: 50, padding: 12, backgroundColor: 'white', borderRadius: 6, shadowColor: '#000', shadowOffset: { width: 0, height: 4, }, shadowOpacity: 0.05, shadowRadius: 4, marginBottom: utils.dimensions.defaultPadding, }, loginButton: { borderColor: utils.colors.primaryColor, borderWidth: 2, padding: utils.dimensions.defaultPadding, alignItems: 'center', justifyContent: 'center', borderRadius: 6, }, loginButtonText: { color: utils.colors.primaryColor, fontSize: utils.fonts.mediumFontSize, fontWeight: 'bold', }, errorMessageContainerStyle: { marginBottom: 8, backgroundColor: '#fee8e6', padding: 8, borderRadius: 4, }, errorMessageTextStyle: { color: '#db2828', textAlign: 'center', fontSize: 12, }, }; export default Login;