Refactor project structure with minimal home screen and auth context Basic login flow #1
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…creens; add user context and back button component; update tab layout and screens for expenses, friends, and profile.
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WalkthroughThis update removes a large number of files related to theming, navigation, and UI components, simplifying the project structure. It introduces a new minimal home screen and an authentication context. The navigation layout is reduced to a basic stack navigator, and a new dependency for Google Fonts is added. Changes
Sequence Diagram(s)sequenceDiagram
participant App
participant AuthProvider
participant useProtectedRoute
participant Router
participant User
App->>AuthProvider: Wraps children with AuthProvider
AuthProvider->>User: Provides user state and auth methods
App->>useProtectedRoute: Invokes to enforce route protection
useProtectedRoute->>Router: Redirects based on auth status and route segments
User->>AuthProvider: Calls login/signup/logout via useAuth
AuthProvider-->>User: Updates user state
User->>Router: Navigates on auth state changes (e.g., to /groups)
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Actionable comments posted: 12
♻️ Duplicate comments (1)
app/(tabs)/friends.tsx (1)
38-43: 🛠️ Refactor suggestionUse themed background color for consistency.
Same issue as in
ExpensesScreen- the hardcodedbackgroundColor: 'rgba(255, 255, 255, 0.1)'doesn't follow the theming pattern.Apply the same fix as suggested for the expenses screen - either remove the background color or use themed colors.
🧹 Nitpick comments (13)
components/BackButton.tsx (1)
34-39: Consider dynamic positioning for better compatibility.The fixed top position of 50px might not work well across different devices, especially with varying status bar heights and notches.
Consider using SafeAreaView or dynamic positioning:
- backButton: { - position: 'absolute', - top: 50, - left: 20, - zIndex: 10, - }, + backButton: { + position: 'absolute', + top: 60, // Consider using SafeAreaView or useSafeAreaInsets + left: 20, + zIndex: 10, + },app/(tabs)/friends.tsx (1)
5-25: Consider extracting shared placeholder screen pattern.This component follows an identical pattern to
ExpensesScreen. Consider creating a reusable placeholder component to reduce code duplication.You could create a shared
PlaceholderScreencomponent that accepts title, cards data, and renders the common structure.app/(tabs)/profile.tsx (1)
21-24: Consider using dynamic user profile image.The profile image is hardcoded to use the app icon. Consider implementing dynamic profile image support or using a default avatar placeholder that's more appropriate for user profiles.
- <Image - source={require('@/assets/images/icon.png')} - style={styles.profileImage} - /> + <Image + source={user?.avatar ? { uri: user.avatar } : require('@/assets/images/default-avatar.png')} + style={styles.profileImage} + />app/signup.tsx (1)
97-107: Prevent multiple simultaneous signup attempts.While the button is disabled during loading, the function could still be called multiple times. Consider adding additional protection.
const handleSignup = async () => { + if (isLoading) return; + if (!email) return setError('Email is required');app/(tabs)/_layout.tsx (1)
15-18: Add loading state for authentication check.The current implementation immediately redirects if no user is found, which might cause a flash during the authentication check. Consider adding a loading state.
export default function TabLayout() { const colorScheme = useColorScheme(); - const { user } = useAuth(); + const { user, isLoading } = useAuth(); + // Show loading while checking authentication + if (isLoading) { + return null; // or a loading spinner + } + // Redirect to welcome screen if not authenticated if (!user) { return <Redirect href="/" />; }app/_layout.tsx (1)
16-25: Add error handling for font loading.The current implementation returns
nullif fonts aren't loaded, but doesn't handle font loading errors. Consider adding error handling for better user experience.const [loaded] = useFonts({ SpaceMono: require('../assets/fonts/SpaceMono-Regular.ttf'), Manrope: Manrope_400Regular, ManropeBold: Manrope_700Bold, }); + const [fontError] = useFonts({ + SpaceMono: require('../assets/fonts/SpaceMono-Regular.ttf'), + Manrope: Manrope_400Regular, + ManropeBold: Manrope_700Bold, + }); - if (!loaded) { + if (!loaded) { // Async font loading only occurs in development. + // Consider showing a loading indicator in production return null; }app/email-signin.tsx (2)
49-49: Make the title dynamic to match the current mode.The title always shows "Sign in with Email" but the component toggles between sign-in and sign-up modes. This could confuse users.
- <ThemedText type="title" style={styles.title}>Sign in with Email</ThemedText> + <ThemedText type="title" style={styles.title}> + {isSignUp ? 'Sign up with Email' : 'Sign in with Email'} + </ThemedText>
22-40: Add email format validation for better user experience.The current validation only checks if fields are not empty. Adding email format validation would provide immediate feedback to users.
const handleSubmit = async () => { + const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/; if (!email) return setError('Email is required'); + if (!emailRegex.test(email)) return setError('Please enter a valid email address'); if (!password) return setError('Password is required'); + if (password.length < 6) return setError('Password must be at least 6 characters'); setError('');app/login.tsx (1)
9-9: Remove unused variable.The
widthvariable is imported fromDimensions.get('window')but never used in the component.-const { width } = Dimensions.get('window');app/index.tsx (3)
57-57: Use theme colors instead of hardcoded background color.The container uses a hardcoded background color while other parts of the component properly use the theme system.
container: { flex: 1, alignItems: 'center', justifyContent: 'flex-start', padding: 20, - backgroundColor: '#111' + backgroundColor: bgColor },
59-69: Fix misleading comment about circle shape.The comment mentions "hero circle" but the
aspectRatio: 1creates a square, not a circle. TheborderRadius: 999does make it appear circular.heroContainer: { width: '100%', - aspectRatio: 1, + aspectRatio: 1, // Square aspect ratio with large border radius creates circular appearance borderRadius: 999, backgroundColor: '#68a193', // Light teal color for the hero circle
28-46: Consider extracting hardcoded colors to theme system.For better consistency and maintainability, consider moving the hardcoded colors to the theme system.
The hardcoded colors like
buttonBgLight = '#4CAF50','#1a1a1a', and'#68a193'could be moved to the theme configuration for better design system consistency.context/AuthContext.tsx (1)
44-45: Consider adding basic password validation.While the current implementation is suitable for demo purposes, consider adding minimal password validation to improve user experience.
- // For demo purposes, any non-empty email/password will work - if (email && password) { + // For demo purposes, any non-empty email/password will work + if (email && password && password.length >= 6) {Also applies to: 67-68
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⛔ Files ignored due to path filters (2)
assets/images/login-background.pngis excluded by!**/*.pngpackage-lock.jsonis excluded by!**/package-lock.json
📒 Files selected for processing (13)
app/(tabs)/_layout.tsx(2 hunks)app/(tabs)/expenses.tsx(1 hunks)app/(tabs)/friends.tsx(1 hunks)app/(tabs)/index.tsx(1 hunks)app/(tabs)/profile.tsx(1 hunks)app/_layout.tsx(2 hunks)app/email-signin.tsx(1 hunks)app/index.tsx(1 hunks)app/login.tsx(1 hunks)app/signup.tsx(1 hunks)components/BackButton.tsx(1 hunks)context/AuthContext.tsx(1 hunks)package.json(1 hunks)
🧰 Additional context used
🧬 Code Graph Analysis (6)
app/(tabs)/expenses.tsx (2)
components/ThemedText.tsx (1)
ThemedText(11-34)components/ThemedView.tsx (1)
ThemedView(10-14)
components/BackButton.tsx (1)
hooks/useThemeColor.ts (1)
useThemeColor(9-21)
app/(tabs)/friends.tsx (2)
components/ThemedText.tsx (1)
ThemedText(11-34)components/ThemedView.tsx (1)
ThemedView(10-14)
app/signup.tsx (5)
context/AuthContext.tsx (1)
useAuth(29-29)hooks/useThemeColor.ts (1)
useThemeColor(9-21)components/ThemedView.tsx (1)
ThemedView(10-14)components/BackButton.tsx (1)
BackButton(10-31)components/ThemedText.tsx (1)
ThemedText(11-34)
app/(tabs)/_layout.tsx (3)
hooks/useColorScheme.web.ts (1)
useColorScheme(7-21)context/AuthContext.tsx (1)
useAuth(29-29)components/ui/IconSymbol.tsx (1)
IconSymbol(28-41)
app/login.tsx (2)
context/AuthContext.tsx (1)
useAuth(29-29)components/ThemedText.tsx (1)
ThemedText(11-34)
🪛 Biome (1.9.4)
app/login.tsx
[error] 118-123: This property value named title is later overwritten by an object member with the same name.
Overwritten with this value.
If an object property with the same name is defined multiple times (except when combining a getter with a setter), only the last definition makes it into the object and previous definitions are ignored.
Unsafe fix: Remove this property value named title
(lint/suspicious/noDuplicateObjectKeys)
[error] 170-174: This property value named error is later overwritten by an object member with the same name.
Overwritten with this value.
If an object property with the same name is defined multiple times (except when combining a getter with a setter), only the last definition makes it into the object and previous definitions are ignored.
Unsafe fix: Remove this property value named error
(lint/suspicious/noDuplicateObjectKeys)
🔇 Additional comments (13)
package.json (1)
14-14: LGTM! Font dependency addition looks good.The addition of the Manrope font dependency is properly versioned and aligns with the enhanced theming mentioned in the summary.
components/BackButton.tsx (1)
14-20: LGTM! Clean conditional navigation logic.The fallback to
router.back()when no customonPressis provided is a good pattern for reusability.app/(tabs)/expenses.tsx (1)
5-25: LGTM! Clean component structure.The component follows good React Native patterns with proper use of themed components and clear layout structure.
app/(tabs)/friends.tsx (1)
1-4: LGTM! Consistent imports and structure.The imports and overall component structure are clean and follow the established patterns.
app/_layout.tsx (1)
37-42:Details
✅ Verification successful
Consider stack screen order for navigation flow.
The current order places "index" before authentication screens. Verify this doesn't interfere with the authentication flow, especially if users navigate directly to routes.
🏁 Script executed:
#!/bin/bash # Description: Check if there are any direct navigation calls to tab routes that might bypass authentication # Expected: Should find navigation patterns and verify authentication flow echo "Checking for direct navigation to tab routes..." rg "router\.(push|replace|navigate)" --type tsx --type ts -A 2 -B 2 echo -e "\nChecking for Link components pointing to tab routes..." rg "href.*\/\(tabs\)" --type tsx --type ts -A 1 -B 1Length of output: 471
I’ve adjusted the patterns to avoid unrecognized types and regex escapes by using file globs and fixed‐string search:
🏁 Script executed:
#!/bin/bash echo "Searching for direct router navigation..." rg "router\.(push|replace|navigate)" -g "*.{ts,tsx}" -A2 -B2 || echo "No matches found" echo -e "\nSearching for Link components with '/(tabs)' path..." rg -F "/(tabs)" -g "*.{ts,tsx}" -A1 -B1 || echo "No matches found"Length of output: 2534
Stack screen order is safe as‐is
All authentication pages explicitly use absolute routes (router.replace('/(tabs)')on success androuter.replace('/')on logout), so the order of<Stack.Screen>entries won’t interfere with the intended flow. No changes needed.app/email-signin.tsx (1)
1-112: The authentication flow implementation looks solid.The component correctly integrates with the AuthContext, handles loading states, provides user feedback, and navigates appropriately on success.
app/login.tsx (1)
37-41:Details
✅ Verification successful
Verify that the background image exists.
Ensure the background image file exists at the specified path to prevent runtime errors.
🏁 Script executed:
#!/bin/bash # Check if the background image file exists if [ -f "assets/images/login-background.png" ]; then echo "✓ Background image exists" else echo "✗ Background image not found at assets/images/login-background.png" fiLength of output: 108
Background image file verified
File: app/login.tsx
Lines: 37–41<Image source={require('../assets/images/login-background.png')} style={styles.backgroundImage} contentFit="cover" />The file
assets/images/login-background.pnghas been confirmed to exist at the specified path. No further action required.app/(tabs)/index.tsx (1)
10-55: Excellent dashboard implementation with proper authentication integration.The component correctly:
- Uses the auth context for user data and logout functionality
- Provides sensible fallbacks for user display (
user?.name || 'User')- Handles logout with proper navigation flow
- Shows appropriate placeholder content for future features
context/AuthContext.tsx (5)
1-8: LGTM! Well-structured interfaces.The import statements and User interface definition follow TypeScript best practices with appropriate optional fields.
10-17: LGTM! Comprehensive AuthContextType interface.The interface properly defines all necessary authentication methods with appropriate return types and parameters.
19-26: LGTM! Proper context initialization.The context is created with sensible default values that provide fallback behavior.
28-29: LGTM! Standard custom hook pattern.The custom hook follows React conventions for context consumption.
86-94: LGTM! Proper provider implementation.The provider correctly supplies the authentication state and methods to child components following React context patterns.
components/BackButton.tsx
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| export function BackButton({ onPress }: BackButtonProps) { | ||
| const router = useRouter(); | ||
| const tintColor = useThemeColor('tint'); |
There was a problem hiding this comment.
Fix useThemeColor hook usage.
The useThemeColor hook is being called with only one parameter, but based on the relevant code snippet from hooks/useThemeColor.ts, it expects two parameters: a props object and a colorName.
Apply this fix:
- const tintColor = useThemeColor('tint');
+ const tintColor = useThemeColor({}, 'tint');📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| const tintColor = useThemeColor('tint'); | |
| const tintColor = useThemeColor({}, 'tint'); |
🤖 Prompt for AI Agents
In components/BackButton.tsx at line 12, the useThemeColor hook is called with
only one argument, but it requires two: a props object and a colorName string.
Update the call to pass the appropriate props object as the first argument and
'tint' as the second argument to correctly use the hook.
app/(tabs)/profile.tsx
Outdated
| const handleLogout = () => { | ||
| logout(); | ||
| router.replace('/'); | ||
| }; |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Handle logout errors gracefully.
The logout function might fail, but there's no error handling. Consider adding error handling to provide user feedback if logout fails.
- const handleLogout = () => {
- logout();
- router.replace('/');
- };
+ const handleLogout = async () => {
+ try {
+ await logout();
+ router.replace('/');
+ } catch (error) {
+ console.error('Logout failed:', error);
+ // Consider showing an error message to the user
+ }
+ };📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| const handleLogout = () => { | |
| logout(); | |
| router.replace('/'); | |
| }; | |
| const handleLogout = async () => { | |
| try { | |
| await logout(); | |
| router.replace('/'); | |
| } catch (error) { | |
| console.error('Logout failed:', error); | |
| // Consider showing an error message to the user | |
| } | |
| }; |
🤖 Prompt for AI Agents
In app/(tabs)/profile.tsx around lines 11 to 14, the handleLogout function calls
logout without handling potential errors. Wrap the logout call in a try-catch
block to catch any errors, and in the catch block, provide user feedback such as
displaying an error message. This ensures graceful handling of logout failures
and improves user experience.
app/(tabs)/profile.tsx
Outdated
| <ThemedText type="subtitle">Account Settings</ThemedText> | ||
| <ThemedText style={styles.settingItem}>Edit Profile</ThemedText> | ||
| <ThemedText style={styles.settingItem}>Notifications</ThemedText> | ||
| <ThemedText style={styles.settingItem}>Payment Methods</ThemedText> | ||
| </ThemedView> | ||
|
|
||
| <ThemedView style={styles.card}> | ||
| <ThemedText type="subtitle">General</ThemedText> | ||
| <ThemedText style={styles.settingItem}>Help & Support</ThemedText> | ||
| <ThemedText style={styles.settingItem}>About</ThemedText> | ||
| <ThemedText style={styles.settingItem}>Privacy Policy</ThemedText> | ||
| </ThemedView> |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Make settings items interactive.
The settings items are currently just static text. Consider making them touchable to provide actual functionality or indicate that they're coming soon.
- <ThemedText style={styles.settingItem}>Edit Profile</ThemedText>
- <ThemedText style={styles.settingItem}>Notifications</ThemedText>
- <ThemedText style={styles.settingItem}>Payment Methods</ThemedText>
+ <TouchableOpacity onPress={() => console.log('Edit Profile')}>
+ <ThemedText style={styles.settingItem}>Edit Profile</ThemedText>
+ </TouchableOpacity>
+ <TouchableOpacity onPress={() => console.log('Notifications')}>
+ <ThemedText style={styles.settingItem}>Notifications</ThemedText>
+ </TouchableOpacity>
+ <TouchableOpacity onPress={() => console.log('Payment Methods')}>
+ <ThemedText style={styles.settingItem}>Payment Methods</ThemedText>
+ </TouchableOpacity>📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| <ThemedText type="subtitle">Account Settings</ThemedText> | |
| <ThemedText style={styles.settingItem}>Edit Profile</ThemedText> | |
| <ThemedText style={styles.settingItem}>Notifications</ThemedText> | |
| <ThemedText style={styles.settingItem}>Payment Methods</ThemedText> | |
| </ThemedView> | |
| <ThemedView style={styles.card}> | |
| <ThemedText type="subtitle">General</ThemedText> | |
| <ThemedText style={styles.settingItem}>Help & Support</ThemedText> | |
| <ThemedText style={styles.settingItem}>About</ThemedText> | |
| <ThemedText style={styles.settingItem}>Privacy Policy</ThemedText> | |
| </ThemedView> | |
| <ThemedText type="subtitle">Account Settings</ThemedText> | |
| <TouchableOpacity onPress={() => console.log('Edit Profile')}> | |
| <ThemedText style={styles.settingItem}>Edit Profile</ThemedText> | |
| </TouchableOpacity> | |
| <TouchableOpacity onPress={() => console.log('Notifications')}> | |
| <ThemedText style={styles.settingItem}>Notifications</ThemedText> | |
| </TouchableOpacity> | |
| <TouchableOpacity onPress={() => console.log('Payment Methods')}> | |
| <ThemedText style={styles.settingItem}>Payment Methods</ThemedText> | |
| </TouchableOpacity> | |
| </ThemedView> | |
| <ThemedView style={styles.card}> | |
| <ThemedText type="subtitle">General</ThemedText> | |
| <ThemedText style={styles.settingItem}>Help & Support</ThemedText> | |
| <ThemedText style={styles.settingItem}>About</ThemedText> | |
| <ThemedText style={styles.settingItem}>Privacy Policy</ThemedText> | |
| </ThemedView> |
🤖 Prompt for AI Agents
In app/(tabs)/profile.tsx around lines 32 to 43, the settings items are rendered
as static text and lack interactivity. Wrap each ThemedText representing a
settings item inside a touchable component like TouchableOpacity or Pressable to
make them interactive. Add onPress handlers to either navigate to the
corresponding screens or show a placeholder alert indicating the feature is
coming soon. This will improve user experience by providing feedback or
functionality when tapping the items.
app/signup.tsx
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| const success = await signup(email, password, name); | ||
|
|
||
| if (success) { | ||
| router.replace('/(tabs)'); | ||
| } else { | ||
| setError('Failed to create account'); | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Improve error handling specificity.
The generic "Failed to create account" error doesn't provide helpful feedback. Consider handling specific error cases from the signup function.
setError('');
- const success = await signup(email, password, name);
+ try {
+ const success = await signup(email, password, name);
- if (success) {
- router.replace('/(tabs)');
- } else {
- setError('Failed to create account');
- }
+ if (success) {
+ router.replace('/(tabs)');
+ } else {
+ setError('Failed to create account. Please try again.');
+ }
+ } catch (error: any) {
+ setError(error.message || 'An unexpected error occurred');
+ }📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| const success = await signup(email, password, name); | |
| if (success) { | |
| router.replace('/(tabs)'); | |
| } else { | |
| setError('Failed to create account'); | |
| } | |
| setError(''); | |
| try { | |
| const success = await signup(email, password, name); | |
| if (success) { | |
| router.replace('/(tabs)'); | |
| } else { | |
| setError('Failed to create account. Please try again.'); | |
| } | |
| } catch (error: any) { | |
| setError(error.message || 'An unexpected error occurred'); | |
| } |
🤖 Prompt for AI Agents
In app/signup.tsx around lines 29 to 35, the error handling uses a generic
message "Failed to create account" which lacks specificity. Modify the signup
function call to capture and check for specific error types or messages it might
return. Then update the setError call to display more detailed and user-friendly
error messages based on those specific cases, improving feedback clarity.
app/_layout.tsx
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| headerStyle: { | ||
| backgroundColor: colorScheme === 'dark' ? '#151718' : '#fff', | ||
| }, | ||
| headerTintColor: colorScheme === 'dark' ? '#ECEDEE' : '#11181C', | ||
| animation: 'slide_from_right', |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Use theme constants instead of hardcoded colors.
The header styling uses hardcoded color values. Consider using the Colors constants for consistency.
+import { Colors } from '@/constants/Colors';
<Stack screenOptions={{
headerStyle: {
- backgroundColor: colorScheme === 'dark' ? '#151718' : '#fff',
+ backgroundColor: Colors[colorScheme ?? 'light'].background,
},
- headerTintColor: colorScheme === 'dark' ? '#ECEDEE' : '#11181C',
+ headerTintColor: Colors[colorScheme ?? 'light'].text,
animation: 'slide_from_right',
}}>🤖 Prompt for AI Agents
In app/_layout.tsx around lines 31 to 35, replace the hardcoded color values
used in headerStyle.backgroundColor and headerTintColor with the corresponding
values from the Colors constants to maintain consistency with the app's theme.
Identify the appropriate Colors constants for dark and light modes and use them
instead of the hex color strings.
app/login.tsx
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| const handleLogin = async () => { | ||
| setError(''); | ||
| const success = await login('demo@example.com', 'password'); | ||
|
|
||
| if (success) { | ||
| router.replace('/(tabs)'); | ||
| } else { | ||
| setError('An error occurred while logging in'); | ||
| } | ||
| }; |
There was a problem hiding this comment.
Replace hardcoded credentials with environment variables or remove for production.
Using hardcoded credentials ('demo@example.com', 'password') poses security risks and should be addressed before production deployment.
Consider one of these approaches:
const handleLogin = async () => {
setError('');
- const success = await login('demo@example.com', 'password');
+ // Option 1: Use environment variables for demo credentials
+ const success = await login(process.env.EXPO_PUBLIC_DEMO_EMAIL, process.env.EXPO_PUBLIC_DEMO_PASSWORD);
+
+ // Option 2: Navigate to email-signin instead
+ // router.push('/email-signin');📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| const handleLogin = async () => { | |
| setError(''); | |
| const success = await login('demo@example.com', 'password'); | |
| if (success) { | |
| router.replace('/(tabs)'); | |
| } else { | |
| setError('An error occurred while logging in'); | |
| } | |
| }; | |
| const handleLogin = async () => { | |
| setError(''); | |
| // Option 1: Use environment variables for demo credentials | |
| const success = await login( | |
| process.env.EXPO_PUBLIC_DEMO_EMAIL, | |
| process.env.EXPO_PUBLIC_DEMO_PASSWORD | |
| ); | |
| // Option 2: Navigate to email-signin instead | |
| // router.push('/email-signin'); | |
| if (success) { | |
| router.replace('/(tabs)'); | |
| } else { | |
| setError('An error occurred while logging in'); | |
| } | |
| }; |
🤖 Prompt for AI Agents
In app/login.tsx around lines 15 to 24, the login function uses hardcoded
credentials which is a security risk. Replace the hardcoded email and password
with environment variables accessed via process.env or another secure
configuration method. Alternatively, remove the hardcoded credentials and
implement a proper user input mechanism for login before production deployment.
| setUser({ | ||
| id: '1', | ||
| email, | ||
| name: email.split('@')[0], | ||
| }); |
There was a problem hiding this comment.
Fix hard-coded user ID to prevent conflicts.
Both login and signup functions use the same hard-coded user ID ('1'), which would cause conflicts if multiple users exist in a real application.
Consider generating unique IDs or using the email as a unique identifier:
- setUser({
- id: '1',
- email,
- name: email.split('@')[0],
- });
+ setUser({
+ id: Date.now().toString(), // or use a proper UUID library
+ email,
+ name: email.split('@')[0],
+ });Also applies to: 69-73
🤖 Prompt for AI Agents
In context/AuthContext.tsx around lines 46 to 50 and 69 to 73, the user ID is
hard-coded as '1', which can cause conflicts when multiple users exist. Replace
the hard-coded ID with a unique identifier by generating a UUID or using the
email as the user ID to ensure uniqueness. Update both the login and signup
functions accordingly to prevent ID collisions.
| // In a real app, this would make an API call to your server | ||
| const login = async (email: string, password: string) => { | ||
| setIsLoading(true); | ||
|
|
||
| try { | ||
| // Simulate API call | ||
| await new Promise(resolve => setTimeout(resolve, 1000)); | ||
|
|
||
| // For demo purposes, any non-empty email/password will work | ||
| if (email && password) { | ||
| setUser({ | ||
| id: '1', | ||
| email, | ||
| name: email.split('@')[0], | ||
| }); | ||
| return true; | ||
| } | ||
| return false; | ||
| } finally { | ||
| setIsLoading(false); | ||
| } | ||
| }; |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Add error handling for edge cases.
The authentication functions lack error handling for potential edge cases that could cause the app to crash.
Consider wrapping the logic in proper error handling:
const login = async (email: string, password: string) => {
setIsLoading(true);
try {
// Simulate API call
await new Promise(resolve => setTimeout(resolve, 1000));
+ // Basic input validation
+ if (!email.trim() || !password.trim()) {
+ return false;
+ }
+
// For demo purposes, any non-empty email/password will work
if (email && password) {
setUser({
id: '1',
email,
name: email.split('@')[0],
});
return true;
}
return false;
+ } catch (error) {
+ console.error('Login error:', error);
+ return false;
} finally {
setIsLoading(false);
}
};Also applies to: 59-80
🤖 Prompt for AI Agents
In context/AuthContext.tsx around lines 36 to 57, the login function lacks error
handling which could cause the app to crash on unexpected issues. Wrap the login
logic inside a try-catch block to catch and handle any errors gracefully. In the
catch block, handle or log the error appropriately and ensure
setIsLoading(false) is still called in a finally block. Apply the same error
handling pattern to the authentication functions in lines 59 to 80.
coderabbitai
bot
changed the title
- Added `AuthProvider` and `useAuth` context for managing user authentication state. - Created `useProtectedRoute` hook to guard access to specific routes based on authentication status. - Developed `RootLayout` to handle font loading and splash screen. - Introduced `TabBar` component for navigation between main sections (Groups, Friends, Activity, Account). - Created layouts and screens for Account, Activity, Friends, and Groups with respective UI components. - Implemented mock data for groups, friends, activities, and expenses. - Enhanced login screen with background image and buttons for login, sign up, and email sign-in. - Added `Colors` constants for consistent theming across the app. - Updated TypeScript configuration to support JSX syntax.
There was a problem hiding this comment.
Actionable comments posted: 7
♻️ Duplicate comments (1)
app/_layout.tsx (1)
16-19: Use Colors constants instead of hardcoded background color.The hardcoded color value should be replaced with Colors constants for consistency.
+import Colors from "../constants/Colors"; <Stack screenOptions={{ headerShown: false, - contentStyle: { backgroundColor: "#121712" } + contentStyle: { backgroundColor: Colors.background } }} />
🧹 Nitpick comments (11)
components/AuthGuard.tsx (1)
3-7: Fix naming inconsistency between filename and component name.The component is named
AuthLayoutbut the file is namedAuthGuard.tsx. This creates confusion about the component's purpose and makes it harder to find and import.Consider renaming either the file to
AuthLayout.tsxor the component toAuthGuardfor consistency:-export default function AuthLayout() { +export default function AuthGuard() {Or rename the file to match the component name.
app/groups/index.tsx (2)
44-50: Consider making sample data more realistic and plan for dynamic data.The hardcoded sample data is fine for initial development, but consider:
- Making the balance values more realistic (some groups should have negative balances)
- Planning the data structure for when this gets replaced with real API data
const groups = [ - { id: 1, title: "Vacation Crew", balance: "Total balance: $120", color: "#6A7FDB" }, - { id: 2, title: "Apartment Mates", balance: "Total balance: $350", color: "#8A4FFF" }, + { id: 1, title: "Vacation Crew", balance: "You owe $45.30", color: "#6A7FDB" }, + { id: 2, title: "Apartment Mates", balance: "You are owed $125.50", color: "#8A4FFF" },
64-73: Minor formatting issue in ScrollView.There's inconsistent indentation in the ScrollView content that affects code readability.
<ScrollView style={styles.scrollView}> {groups.map((group) => ( <GroupItem key={group.id} id={group.id} title={group.title} balance={group.balance} color={group.color} /> - ))} </ScrollView> + ))} + </ScrollView>app/activity/index.tsx (2)
8-26: Consider extracting common list item pattern.The
ActivityItemcomponent follows a very similar pattern toGroupItemfrom the groups screen. Consider creating a shared base component to reduce code duplication.Create a shared
ListItemcomponent:const ListItem = ({ title, subtitle, color, onPress }: { title: string, subtitle: string, color: string, onPress?: () => void }) => { const Content = ( <View style={styles.itemContainer}> <View style={[styles.colorIndicator, { backgroundColor: color }]} /> <View style={styles.infoContainer}> <Text style={styles.itemTitle}>{title}</Text> <Text style={styles.itemSubtitle}>{subtitle}</Text> </View> </View> ); return onPress ? ( <Pressable onPress={onPress}>{Content}</Pressable> ) : Content; };
30-41: Improve activity data structure for better maintainability.The current activity data structure could be enhanced to better represent real-world activity data and make it easier to extend.
Consider this improved structure:
const activities = [ - { id: 1, title: "You added 'Dinner at The Italian Place'", date: "10/20/24", color: "#6A7FDB" }, + { + id: 1, + action: "added", + item: "Dinner at The Italian Place", + date: "2024-10-20", + amount: 45.50, + groupId: 1, + color: "#6A7FDB" + },This structure:
- Uses proper date format for easier parsing
- Separates action type from description
- Includes amount and group reference
- Makes it easier to add different activity types
app/friends/index.tsx (1)
52-54: Implement add button functionality.The add button is currently non-functional. Consider adding navigation to an "Add Friend" screen or modal.
Do you want me to generate the implementation for the add friend functionality?
app/_layout.tsx (2)
5-5: Remove unused import.The
useColorSchemehook is imported but no longer used after the refactor. Consider removing it to keep imports clean.-import { useColorScheme } from "react-native";
25-25: Remove unused colorScheme variable.The
colorSchemevariable is no longer used after the refactor. Consider removing it.export default function RootLayout() { - const colorScheme = useColorScheme(); - const [fontsLoaded] = useFonts({app/groups/[id].tsx (1)
128-132: Implement FAB functionality.The floating action button currently has no onPress handler. Consider adding navigation to an "Add Expense" screen or modal.
Do you want me to generate the implementation for adding expenses functionality?
app/account/index.tsx (2)
24-24: Improve type safety for icon prop.The icon prop is cast to
anywhich bypasses TypeScript checking. Consider using a more specific type from Ionicons.-<Ionicons name={icon as any} size={24} color={Colors.text.primary} /> +<Ionicons name={icon as keyof typeof Ionicons.glyphMap} size={24} color={Colors.text.primary} />
37-37: Consider making dark mode state dynamic.The dark mode is hardcoded to
true. Consider reading this from user preferences or the auth context for better user experience.-const [isDarkMode, setIsDarkMode] = useState(true); +const [isDarkMode, setIsDarkMode] = useState(user?.preferences?.darkMode ?? true);
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
⛔ Files ignored due to path filters (1)
assets/images/login-background.pngis excluded by!**/*.png
📒 Files selected for processing (16)
app/_layout.tsx(1 hunks)app/account/_layout.tsx(1 hunks)app/account/index.tsx(1 hunks)app/activity/_layout.tsx(1 hunks)app/activity/index.tsx(1 hunks)app/friends/_layout.tsx(1 hunks)app/friends/index.tsx(1 hunks)app/groups/[id].tsx(1 hunks)app/groups/_layout.tsx(1 hunks)app/groups/index.tsx(1 hunks)app/index.tsx(1 hunks)components/AuthGuard.tsx(1 hunks)components/TabBar.tsx(1 hunks)constants/Colors.ts(1 hunks)context/ProtectedRoute.tsx(1 hunks)tsconfig.json(1 hunks)
✅ Files skipped from review due to trivial changes (6)
- app/activity/_layout.tsx
- tsconfig.json
- app/groups/_layout.tsx
- app/friends/_layout.tsx
- app/account/_layout.tsx
- components/TabBar.tsx
🧰 Additional context used
🧬 Code Graph Analysis (6)
components/AuthGuard.tsx (1)
context/ProtectedRoute.tsx (1)
useProtectedRoute(5-27)
app/_layout.tsx (2)
context/ProtectedRoute.tsx (1)
useProtectedRoute(5-27)context/AuthContext.tsx (1)
AuthProvider(32-95)
app/account/index.tsx (2)
context/AuthContext.tsx (1)
useAuth(29-29)components/TabBar.tsx (1)
TabBar(6-87)
app/groups/index.tsx (2)
context/AuthContext.tsx (1)
useAuth(29-29)components/TabBar.tsx (1)
TabBar(6-87)
context/ProtectedRoute.tsx (1)
context/AuthContext.tsx (1)
useAuth(29-29)
app/activity/index.tsx (1)
components/TabBar.tsx (1)
TabBar(6-87)
🪛 Biome (1.9.4)
app/index.tsx
[error] 168-168: Shouldn't redeclare 'styles'. Consider to delete it or rename it.
'styles' is defined here:
(lint/suspicious/noRedeclare)
🔇 Additional comments (10)
constants/Colors.ts (1)
1-12:Details
✅ Verification successful
Verify color contrast ratios for accessibility compliance.
The color palette looks clean and consistent. However, ensure that the text-to-background color combinations meet WCAG accessibility standards for contrast ratios.
🏁 Script executed:
#!/bin/bash # Check color contrast ratios for accessibility compliance python3 -c " import colorsys def hex_to_rgb(hex_color): hex_color = hex_color.lstrip('#') return tuple(int(hex_color[i:i+2], 16) for i in (0, 2, 4)) def calculate_luminance(rgb): r, g, b = [x/255.0 for x in rgb] r = r/12.92 if r <= 0.03928 else ((r+0.055)/1.055)**2.4 g = g/12.92 if g <= 0.03928 else ((g+0.055)/1.055)**2.4 b = b/12.92 if b <= 0.03928 else ((b+0.055)/1.055)**2.4 return 0.2126 * r + 0.7152 * g + 0.0722 * b def contrast_ratio(color1, color2): lum1 = calculate_luminance(hex_to_rgb(color1)) lum2 = calculate_luminance(hex_to_rgb(color2)) lighter = max(lum1, lum2) darker = min(lum1, lum2) return (lighter + 0.05) / (darker + 0.05) # Test color combinations background = '#121712' primary_text = '#FFFFFF' secondary_text = '#A6B5A1' primary_color = '#4FD12B' print(f'Primary text on background: {contrast_ratio(primary_text, background):.2f}') print(f'Secondary text on background: {contrast_ratio(secondary_text, background):.2f}') print(f'Primary color on background: {contrast_ratio(primary_color, background):.2f}') print('\\nWCAG Requirements:') print('Normal text: 4.5:1 minimum') print('Large text: 3:1 minimum') "Length of output: 1430
All color combinations meet WCAG contrast standards
Contrast ratios verified in constants/Colors.ts:
- Primary text on background: 18.15 (AAA)
- Secondary text on background: 8.42 (AAA)
- Primary color on background: 9.06 (AAA)
No further changes required.
app/groups/index.tsx (1)
10-33: Well-structured GroupItem component.The
GroupItemcomponent is well-designed with clear props interface and appropriate navigation handling. The component correctly usesrouter.pushfor navigation and maintains good separation of concerns.app/activity/index.tsx (1)
44-49: Consistent header handling with Stack.Screen.Good use of
Stack.Screento disable the default header and maintain consistent UI across the app.app/index.tsx (3)
1-15: LGTM! Well-structured authentication flow.The component properly handles authentication state and redirects, following React Native and Expo Router best practices.
17-35: Placeholder authentication handlers are clearly marked.The mock login functionality is appropriate for demo purposes. All three handlers correctly route to the same login function, which is well-documented in comments.
40-40:Details
✅ Verification successful
Verify the background image asset exists.
Ensure the image file
../assets/images/login-background.pngexists in the project to prevent runtime errors.
🏁 Script executed:
#!/bin/bash # Description: Check if the login background image exists # Expected: File should exist at the specified path fd "login-background.png" --type fLength of output: 69
Background image asset verified
The file
assets/images/login-background.pngexists at the specified path, so the import inapp/index.tsxis valid and no further action is required.app/account/index.tsx (4)
10-33: Well-designed reusable SettingItem component.The component provides good flexibility with the optional rightElement prop and follows consistent styling patterns.
60-65: Hardcoded fallback values are appropriate for demo.The fallback user data provides a good user experience when the auth context doesn't have complete user information.
72-96: Settings sections are well-organized.The grouping of settings into "Settings" and "Support" categories with appropriate icons provides good UX. The Dark Mode toggle implementation is clean and functional.
99-102: Logout functionality is properly implemented.The logout handler correctly calls the auth context logout function and navigates to the root route.
| useEffect(() => { | ||
| const inAuthGroup = segments[0] === "(auth)"; |
There was a problem hiding this comment.
Remove unused variable or complete the authentication group logic.
The inAuthGroup variable is defined but never used in the subsequent logic. Either remove it or complete the intended authentication group handling.
useEffect(() => {
- const inAuthGroup = segments[0] === "(auth)";
-
if (!user) {🤖 Prompt for AI Agents
In context/ProtectedRoute.tsx around lines 10 to 11, the variable inAuthGroup is
declared but not used anywhere. To fix this, either remove the declaration of
inAuthGroup if it is unnecessary, or implement the intended logic that uses
inAuthGroup to handle authentication group checks properly within the useEffect
or component logic.
| if (!user) { | ||
| // If the user is not signed in and the initial segment is not in the auth group, | ||
| // redirect to the sign-in page. | ||
| if (protectedPaths.includes(segments[0])) { | ||
| router.replace("/"); | ||
| } | ||
| } else { | ||
| // If the user is signed in and the initial segment is in the auth group, | ||
| // redirect to the groups page. | ||
| if (segments.length === 0 || segments[0] === "") { | ||
| router.replace("/groups"); | ||
| } | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Add missing dependency and improve route protection logic.
The protectedPaths parameter should be included in the useEffect dependency array for correctness. Additionally, consider what happens when a user is not authenticated but also not trying to access protected paths - the current logic doesn't handle this case explicitly.
- }, [user, segments]);
+ }, [user, segments, protectedPaths, router]);Also consider adding explicit handling for non-protected routes when user is not authenticated.
🤖 Prompt for AI Agents
In context/ProtectedRoute.tsx around lines 13 to 25, add protectedPaths to the
useEffect dependency array to ensure the effect runs correctly when it changes.
Also, update the logic to explicitly handle cases where the user is not
authenticated and the initial segment is not in protectedPaths, such as allowing
access or redirecting appropriately, to cover all route protection scenarios.
| const friends = [ | ||
| { id: 1, name: "Liam Carter", status: "You owe $10.00", color: "#6A7FDB" }, | ||
| { id: 2, name: "Sophia Bennett", status: "You owe $25.00", color: "#8A4FFF" }, | ||
| { id: 3, name: "Ethan Harper", status: "You owe $15.00", color: "#FF745C" }, | ||
| { id: 4, name: "Olivia Hayes", status: "You owe $5.00", color: "#45CB85" }, | ||
| { id: 5, name: "Noah Foster", status: "You owe $30.00", color: "#F5A623" }, | ||
| { id: 6, name: "Ava Mitchell", status: "You owe $20.00", color: "#D0021B" }, | ||
| ]; |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Replace hardcoded data with proper data management.
The friends data is currently hardcoded. Consider implementing proper data fetching, state management, and loading/error states for a production-ready component.
export default function FriendsScreen() {
- // Sample friends data
- const friends = [
- { id: 1, name: "Liam Carter", status: "You owe $10.00", color: "#6A7FDB" },
- { id: 2, name: "Sophia Bennett", status: "You owe $25.00", color: "#8A4FFF" },
- { id: 3, name: "Ethan Harper", status: "You owe $15.00", color: "#FF745C" },
- { id: 4, name: "Olivia Hayes", status: "You owe $5.00", color: "#45CB85" },
- { id: 5, name: "Noah Foster", status: "You owe $30.00", color: "#F5A623" },
- { id: 6, name: "Ava Mitchell", status: "You owe $20.00", color: "#D0021B" },
- ];
+ const [friends, setFriends] = useState([]);
+ const [loading, setLoading] = useState(true);
+ const [error, setError] = useState(null);
+
+ // Add proper data fetching logic hereCommittable suggestion skipped: line range outside the PR's diff.
🤖 Prompt for AI Agents
In app/friends/index.tsx around lines 31 to 38, the friends array is hardcoded,
which is not suitable for production. Replace this static data by implementing
data fetching from an API or data source, manage the fetched data using React
state or a state management library, and add loading and error handling states
to ensure the component handles asynchronous data properly.
| // Mock members | ||
| const members = [ | ||
| { id: 1, name: "You", status: "", color: "#6A7FDB" }, | ||
| { id: 2, name: "Sophia", status: "Owes you $12.50", color: "#8A4FFF" }, | ||
| { id: 3, name: "Ethan", status: "You owe $12.50", color: "#FF745C" }, | ||
| ]; | ||
|
|
||
| // Mock expenses | ||
| const expenses = [ | ||
| { id: 1, icon: "ticket-outline", title: "Eiffel Tower Tickets", paidBy: "Paid by Liam", amount: "$50" }, | ||
| { id: 2, icon: "restaurant-outline", title: "Dinner at Le Jules Verne", paidBy: "Paid by Sophia", amount: "$100" }, | ||
| { id: 3, icon: "bed-outline", title: "Hotel Accommodation", paidBy: "Paid by Ethan", amount: "$150" }, | ||
| ]; |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Replace mock data with proper data management.
Both members and expenses are using hardcoded mock data. Implement proper data fetching and state management for production readiness.
This should be replaced with API calls and proper state management similar to the suggestion for the group title.
🤖 Prompt for AI Agents
In app/groups/[id].tsx around lines 66 to 78, the members and expenses arrays
are currently hardcoded mock data. Replace these with API calls to fetch real
data from the backend and manage the data using React state or a state
management library. Implement useEffect hooks or similar to trigger data
fetching on component mount and update the state accordingly to render dynamic,
production-ready content.
| const groupTitle = id === "1" ? "Vacation Crew" : | ||
| id === "2" ? "Apartment Mates" : | ||
| id === "3" ? "Road Trip Buddies" : "Family Getaway"; |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Replace hardcoded group title logic with proper data fetching.
The current approach is brittle and doesn't scale. Consider implementing proper data fetching with error handling for invalid group IDs.
- const groupTitle = id === "1" ? "Vacation Crew" :
- id === "2" ? "Apartment Mates" :
- id === "3" ? "Road Trip Buddies" : "Family Getaway";
+ const [groupData, setGroupData] = useState(null);
+ const [loading, setLoading] = useState(true);
+ const [error, setError] = useState(null);
+
+ useEffect(() => {
+ // Fetch group data by ID
+ fetchGroupData(id);
+ }, [id]);Committable suggestion skipped: line range outside the PR's diff.
🤖 Prompt for AI Agents
In app/groups/[id].tsx around lines 62 to 64, replace the hardcoded group title
logic with a data fetching method that retrieves group titles dynamically based
on the group ID. Implement error handling to manage cases where the group ID is
invalid or the data fetch fails, ensuring the component handles these scenarios
gracefully instead of relying on fixed conditional strings.
| <View style={styles.expenseItemContainer}> | ||
| <View style={styles.expenseLeft}> | ||
| <View style={styles.iconContainer}> | ||
| <Ionicons name={icon as any} size={24} color={Colors.text.primary} /> |
There was a problem hiding this comment.
Fix type safety issue with icon prop.
The type assertion as any bypasses TypeScript safety. Consider defining a proper type for valid Ionicon names or using a more type-safe approach.
- <Ionicons name={icon as any} size={24} color={Colors.text.primary} />
+ <Ionicons name={icon as keyof typeof Ionicons.glyphMap} size={24} color={Colors.text.primary} />Or define a proper union type for valid icon names:
+type IoniconsName = 'ticket-outline' | 'restaurant-outline' | 'bed-outline';
const ExpenseItem = ({
icon,
title,
paidBy,
amount
}: {
- icon: string,
+ icon: IoniconsName,Committable suggestion skipped: line range outside the PR's diff.
🤖 Prompt for AI Agents
In app/groups/[id].tsx at line 23, the icon prop is cast to 'any', which
bypasses TypeScript's type safety. To fix this, define a proper type or union
type for valid Ionicons names and use it for the icon prop instead of 'any'.
This ensures only valid icon names are passed and maintains type safety.
Summary by CodeRabbit
New Features
Chores
Refactor
Removed