431 lines
13 KiB
TypeScript
431 lines
13 KiB
TypeScript
import React, { useState, useEffect } from 'react';
|
|
import { View, Text, StyleSheet, TouchableOpacity, Image, Dimensions, Modal, Animated } from 'react-native';
|
|
import { Camera, useCameraDevice, useCameraPermission, useCodeScanner } from 'react-native-vision-camera';
|
|
import { Ionicons } from '@expo/vector-icons';
|
|
import * as ImagePicker from 'expo-image-picker';
|
|
import RNQRGenerator from 'rn-qr-generator';
|
|
import ScannedDataBox from '../components/ScannedDataBox';
|
|
import { scanQRCode, getQRTips } from '../api/qrCodeAPI';
|
|
import SettingsScreen from './SettingsScreen';
|
|
import NetInfo from '@react-native-community/netinfo';
|
|
import { useFocusEffect } from '@react-navigation/native';
|
|
import { getCurrentUser, fetchAuthSession } from 'aws-amplify/auth';
|
|
|
|
const { width: screenWidth, height: screenHeight } = Dimensions.get('window');
|
|
|
|
const QRScannerScreen: React.FC<{ clearScanData: () => void }> = ({ clearScanData }) => {
|
|
// State management
|
|
const [isSettingsModalVisible, setIsSettingsModalVisible] = useState<boolean>(false);
|
|
const [enableTorch, setEnableTorch] = useState<boolean>(false);
|
|
const [scanned, setScanned] = useState<boolean>(false);
|
|
const [qrCodeId, setQRCodeId] = useState<string | null>(null);
|
|
const [isScannedDataBoxVisible, setIsScannedDataBoxVisible] = useState<boolean>(false);
|
|
const [bannerOpacity] = useState(new Animated.Value(0));
|
|
const [isConnected, setIsConnected] = useState<boolean>(true);
|
|
const [qrTip, setQrTip] = useState<string>('Always scan QR codes from trusted sources');
|
|
const [scannedDataBoxY] = useState(new Animated.Value(screenHeight)); // Start off-screen
|
|
|
|
// Camera permissions and device management
|
|
const { hasPermission, requestPermission } = useCameraPermission();
|
|
const device = useCameraDevice('back');
|
|
|
|
useEffect(() => {
|
|
const fetchAuthData = async () => {
|
|
try {
|
|
const currentUser = await getCurrentUser();
|
|
console.log('Current user:', currentUser);
|
|
|
|
const { tokens } = await fetchAuthSession();
|
|
const test = await fetchAuthSession();
|
|
console.log('Tokens:', tokens);
|
|
console.log("AWS access token: ", tokens.accessToken.toString());
|
|
console.log("Test data: ", test);
|
|
} catch (error) {
|
|
console.error('Error fetching auth data:', error);
|
|
}
|
|
};
|
|
|
|
fetchAuthData();
|
|
}, []);
|
|
|
|
const fetchTips = async () => {
|
|
try {
|
|
const response = await getQRTips();
|
|
setQrTip(response.tips); // Set the qrTip state to the value of the tips property
|
|
} catch (error) {
|
|
console.error('Error fetching QR tips:', error);
|
|
}
|
|
};
|
|
|
|
// Only run when the screen is focusd
|
|
useFocusEffect(
|
|
React.useCallback(() => {
|
|
requestPermission(); // Request camera permission when screen is focused
|
|
|
|
// Initial fetch for QR tips
|
|
fetchTips();
|
|
|
|
// Set interval for fetching QR tips every 6 seconds
|
|
const intervalId = setInterval(fetchTips, 6000);
|
|
|
|
// Subscribe to network state updates
|
|
const unsubscribe = NetInfo.addEventListener(state => {
|
|
setIsConnected(state.isConnected);
|
|
if (!state.isConnected) {
|
|
showBanner(); // Show banner if the device goes offline
|
|
}
|
|
});
|
|
|
|
return () => {
|
|
clearInterval(intervalId); // Clear interval when screen is unfocused
|
|
unsubscribe(); // Unsubscribe from network state updates
|
|
};
|
|
}, [])
|
|
);
|
|
|
|
const showScannedDataBox = () => {
|
|
setIsScannedDataBoxVisible(true);
|
|
Animated.timing(scannedDataBoxY, {
|
|
toValue: 0, // Slide the modal to the top of the screen
|
|
duration: 500,
|
|
useNativeDriver: true,
|
|
}).start();
|
|
};
|
|
|
|
const hideScannedDataBox = () => {
|
|
Animated.timing(scannedDataBoxY, {
|
|
toValue: screenHeight, // Move it back off-screen
|
|
duration: 500,
|
|
useNativeDriver: true,
|
|
}).start(() => {
|
|
setIsScannedDataBoxVisible(false);
|
|
});
|
|
};
|
|
|
|
const clearSelectedQrCodeData = () => {
|
|
setQRCodeId(null);
|
|
hideScannedDataBox();
|
|
setScanned(false); // Reset the scanned state so the camera can scan again
|
|
clearScanData(); // Call the clearScanData passed from App.tsx
|
|
};
|
|
|
|
// Show an offline banner
|
|
const showBanner = () => {
|
|
Animated.timing(bannerOpacity, {
|
|
toValue: 1,
|
|
duration: 500,
|
|
useNativeDriver: true,
|
|
}).start(() => {
|
|
setTimeout(() => {
|
|
Animated.timing(bannerOpacity, {
|
|
toValue: 0,
|
|
duration: 500,
|
|
useNativeDriver: true,
|
|
}).start();
|
|
}, 3000);
|
|
});
|
|
};
|
|
|
|
const handlePayload = async (payload: string) => {
|
|
setScanned(true);
|
|
console.info("Decoded QR Code, Payload is: ", payload);
|
|
|
|
try {
|
|
const response = await scanQRCode(payload);
|
|
const qrCodeId = response.qrcode.data.id;
|
|
setQRCodeId(qrCodeId);
|
|
showScannedDataBox(); // Show the ScannedDataBox pop-up with animation
|
|
} catch (error) {
|
|
console.error("Error scanning QR code:", error);
|
|
}
|
|
};
|
|
|
|
// Use the camera to scan QR codes
|
|
const codeScanner = useCodeScanner({
|
|
codeTypes: ['qr'], // Only scan QR codes
|
|
onCodeScanned: (codes) => {
|
|
if (!scanned && codes[0]?.value) {
|
|
handlePayload(codes[0].value); // Handle the QR code value
|
|
}
|
|
}
|
|
});
|
|
|
|
// Read QR code from an image
|
|
const readQRFromImage = async () => {
|
|
console.log("Reading QR code from image");
|
|
|
|
const result = await ImagePicker.launchImageLibraryAsync({
|
|
mediaTypes: ImagePicker.MediaTypeOptions.Images,
|
|
allowsEditing: false,
|
|
quality: 1,
|
|
});
|
|
|
|
if (result && result.assets && result.assets.length > 0 && result.assets[0].uri) {
|
|
try {
|
|
const detectionResult = await RNQRGenerator.detect({
|
|
uri: result.assets[0].uri,
|
|
});
|
|
|
|
const { values } = detectionResult;
|
|
|
|
if (values.length > 0) {
|
|
handlePayload(values[0]); // Handle the first detected QR code value
|
|
} else {
|
|
console.log("No QR code found in the selected image");
|
|
}
|
|
} catch (error) {
|
|
console.error('Error scanning QR code from image:', error);
|
|
}
|
|
}
|
|
};
|
|
|
|
// Check for camera permissions
|
|
if (!hasPermission) {
|
|
return <Text>Requesting camera permission...</Text>;
|
|
}
|
|
|
|
// Wait for the device to be ready
|
|
if (!device) {
|
|
return <Text>Loading camera...</Text>;
|
|
}
|
|
|
|
return (
|
|
<View style={styles.container}>
|
|
{/* Banner for network connectivity */}
|
|
<Animated.View style={[styles.banner, { opacity: bannerOpacity }]}>
|
|
<Text style={styles.bannerText}>No Internet Connection</Text>
|
|
</Animated.View>
|
|
|
|
<Text style={styles.titleText}>Welcome to</Text>
|
|
<Image source={require('../assets/SafeQR_Logo 1.png')} style={styles.logo} />
|
|
<Text style={styles.welcomeText}>Please point the camera at the QR Code</Text>
|
|
|
|
<View style={styles.cameraContainer}>
|
|
{device && (
|
|
<Camera
|
|
style={StyleSheet.absoluteFill}
|
|
device={device}
|
|
isActive={!isSettingsModalVisible && !isScannedDataBoxVisible} // Disable the camera when settings modal or ScannedDataBox is open
|
|
torch={enableTorch ? 'on' : 'off'}
|
|
codeScanner={codeScanner}
|
|
/>
|
|
|
|
)}
|
|
|
|
{/* Torch Button */}
|
|
<TouchableOpacity
|
|
onPress={() => device.hasFlash && setEnableTorch((prev) => !prev)}
|
|
style={styles.flashButton}
|
|
disabled={!device.hasFlash}
|
|
>
|
|
<Ionicons
|
|
name={device.hasFlash ? 'flashlight' : 'flashlight-outline'}
|
|
size={screenWidth * 0.06}
|
|
color={device.hasFlash ? "#fff" : "#888"}
|
|
/>
|
|
</TouchableOpacity>
|
|
|
|
{/* Gallery Button */}
|
|
<TouchableOpacity onPress={readQRFromImage} style={styles.galleryButton}>
|
|
<Ionicons name="image" size={screenWidth * 0.06} color="#fff" />
|
|
</TouchableOpacity>
|
|
</View>
|
|
|
|
{/* QR Code Tips Below Camera Container */}
|
|
<View style={styles.tipsContainer}>
|
|
<View style={styles.iconTextRow}>
|
|
<Ionicons name="bulb" size={24} color="red" />
|
|
<Text style={styles.tipsText}>{qrTip}</Text>
|
|
</View>
|
|
</View>
|
|
|
|
{/* Scanned Data Box as a modal with sliding animation */}
|
|
<Modal
|
|
transparent={true}
|
|
visible={isScannedDataBoxVisible}
|
|
animationType="none"
|
|
onRequestClose={clearSelectedQrCodeData} // Call clearSelectedQrCodeData when the modal is requested to close
|
|
>
|
|
<TouchableOpacity
|
|
style={styles.modalOverlay}
|
|
activeOpacity={1}
|
|
onPress={clearSelectedQrCodeData} // Call clearSelectedQrCodeData on press
|
|
>
|
|
<Animated.View style={[styles.modalContainer, { transform: [{ translateY: scannedDataBoxY }] }]}>
|
|
<ScannedDataBox
|
|
qrCodeId={qrCodeId!}
|
|
clearScanData={clearSelectedQrCodeData} // Close modal and reset the scanned state
|
|
/>
|
|
</Animated.View>
|
|
</TouchableOpacity>
|
|
</Modal>
|
|
|
|
|
|
{/* Settings Icon */}
|
|
<TouchableOpacity onPress={() => setIsSettingsModalVisible(true)} style={styles.settingsButton}>
|
|
<Ionicons name="settings" size={screenWidth * 0.06} color="#000" />
|
|
</TouchableOpacity>
|
|
|
|
{/* Settings Modal */}
|
|
<Modal
|
|
animationType="slide"
|
|
transparent={true}
|
|
visible={isSettingsModalVisible}
|
|
onRequestClose={() => setIsSettingsModalVisible(false)}
|
|
style={styles.settingsModal}
|
|
>
|
|
<View style={styles.settingsModalContainer}>
|
|
<View style={styles.settingsModalContent}>
|
|
<SettingsScreen />
|
|
<TouchableOpacity onPress={() => setIsSettingsModalVisible(false)} style={styles.closeButton}>
|
|
<Text style={styles.closeButtonText}>Close</Text>
|
|
</TouchableOpacity>
|
|
</View>
|
|
</View>
|
|
</Modal>
|
|
</View>
|
|
);
|
|
};
|
|
|
|
// Stylesheet
|
|
const styles = StyleSheet.create({
|
|
container: {
|
|
flex: 1,
|
|
backgroundColor: '#f8f0fc',
|
|
padding: 20,
|
|
},
|
|
titleText: {
|
|
textAlign: 'center',
|
|
fontSize: 20,
|
|
marginTop: screenHeight * 0.05,
|
|
color: 'black',
|
|
},
|
|
logo: {
|
|
alignSelf: 'center',
|
|
width: screenWidth * 0.5,
|
|
height: screenWidth * 0.2,
|
|
resizeMode: 'contain',
|
|
marginVertical: 10,
|
|
},
|
|
welcomeText: {
|
|
textAlign: 'center',
|
|
fontSize: 15,
|
|
marginVertical: 10,
|
|
color: 'black',
|
|
},
|
|
cameraContainer: {
|
|
width: '100%',
|
|
height: '45%',
|
|
alignItems: 'center',
|
|
justifyContent: 'center',
|
|
borderRadius: 10,
|
|
overflow: 'hidden',
|
|
alignSelf: 'center',
|
|
marginTop: '1%',
|
|
},
|
|
settingsButton: {
|
|
position: 'absolute',
|
|
top: screenHeight * 0.05,
|
|
right: 20,
|
|
},
|
|
flashButton: {
|
|
position: 'absolute',
|
|
bottom: screenHeight * 0.025,
|
|
left: screenWidth * 0.2,
|
|
width: screenWidth * 0.125,
|
|
height: screenWidth * 0.125,
|
|
justifyContent: 'center',
|
|
alignItems: 'center',
|
|
backgroundColor: '#000',
|
|
borderRadius: screenWidth * 0.0625,
|
|
},
|
|
galleryButton: {
|
|
position: 'absolute',
|
|
bottom: screenHeight * 0.025,
|
|
right: screenWidth * 0.2,
|
|
width: screenWidth * 0.125,
|
|
height: screenWidth * 0.125,
|
|
justifyContent: 'center',
|
|
alignItems: 'center',
|
|
backgroundColor: '#000',
|
|
borderRadius: screenWidth * 0.0625,
|
|
},
|
|
modalOverlay: {
|
|
flex: 1,
|
|
justifyContent: 'center', // Aligns the modal to the bottom by default
|
|
backgroundColor: 'rgba(0, 0, 0, 0.5)',
|
|
},
|
|
modalContainer: {
|
|
marginHorizontal: '5%',
|
|
borderRadius: screenWidth * 0.025,
|
|
backgroundColor: 'white',
|
|
padding: screenWidth * 0.025,
|
|
elevation: 5,
|
|
},
|
|
settingsModal: {
|
|
backgroundColor: 'rgba(0, 0, 0, 0.5)',
|
|
},
|
|
settingsModalContainer: {
|
|
flex: 1,
|
|
justifyContent: 'center',
|
|
backgroundColor: '#f8f0fc',
|
|
},
|
|
settingsModalContent: {
|
|
flex: 1,
|
|
backgroundColor: '#f8f0fc',
|
|
padding: screenWidth * 0.05,
|
|
borderTopLeftRadius: 0,
|
|
borderTopRightRadius: 0,
|
|
alignItems: 'center',
|
|
},
|
|
closeButton: {
|
|
marginTop: screenHeight * 0.01,
|
|
padding: screenWidth * 0.025,
|
|
backgroundColor: '#ff69b4',
|
|
borderRadius: screenWidth * 0.0125,
|
|
},
|
|
closeButtonText: {
|
|
color: 'white',
|
|
fontWeight: 'bold',
|
|
},
|
|
banner: {
|
|
position: 'absolute',
|
|
top: screenHeight * 0.4,
|
|
left: screenWidth * 0.1,
|
|
right: screenWidth * 0.1,
|
|
backgroundColor: '#ff69b4',
|
|
paddingVertical: screenHeight * 0.02,
|
|
paddingHorizontal: screenWidth * 0.05,
|
|
borderRadius: screenWidth * 0.05,
|
|
alignItems: 'center',
|
|
justifyContent: 'center',
|
|
zIndex: 10,
|
|
},
|
|
bannerText: {
|
|
color: '#fff',
|
|
fontWeight: 'bold',
|
|
textAlign: 'center',
|
|
fontSize: screenWidth * 0.04,
|
|
},
|
|
tipsContainer: {
|
|
backgroundColor: '#fff',
|
|
padding: 10,
|
|
borderRadius: 10,
|
|
alignItems: 'center',
|
|
marginTop: 10,
|
|
},
|
|
iconTextRow: {
|
|
flexDirection: 'row',
|
|
alignItems: 'center',
|
|
},
|
|
tipsText: {
|
|
color: '#f41c87',
|
|
fontSize: 16,
|
|
textAlign: 'center',
|
|
marginLeft: 5,
|
|
paddingHorizontal: 10,
|
|
},
|
|
});
|
|
|
|
export default QRScannerScreen;
|