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155 changes: 155 additions & 0 deletions docs/contacts-pull-to-refresh-implementation.md
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# Contacts Pull-to-Refresh Implementation Summary

## Overview
Successfully refactored the contacts page to implement proper pull-to-refresh functionality with cache invalidation. The implementation ensures that when users pull to refresh, fresh data is fetched from the server rather than served from cache.

## Changes Made

### 1. API Layer Enhancement (`src/api/contacts/contacts.ts`)
- **Added cache invalidation support**: Modified `getAllContacts()` function to accept an optional `forceRefresh` parameter
- **Cache manager integration**: Imported and used `cacheManager.remove()` to clear cached data when force refresh is requested
- **Backward compatibility**: Default parameter ensures existing code continues to work without changes

```typescript
export const getAllContacts = async (forceRefresh: boolean = false) => {
if (forceRefresh) {
// Clear cache before making the request
cacheManager.remove('/Contacts/GetAllContacts');
}

const response = await getAllContactsApi.get<ContactsResult>();
return response.data;
};
```

### 2. Store Layer Enhancement (`src/stores/contacts/store.ts`)
- **Updated interface**: Modified `fetchContacts` method signature to accept optional `forceRefresh` parameter
- **Force refresh implementation**: Pass the `forceRefresh` parameter through to the API layer
- **Type safety**: Maintained full TypeScript support with proper parameter typing

```typescript
interface ContactsState {
// ...
fetchContacts: (forceRefresh?: boolean) => Promise<void>;
// ...
}

// Implementation
fetchContacts: async (forceRefresh: boolean = false) => {
set({ isLoading: true, error: null });
try {
const response = await getAllContacts(forceRefresh);
set({ contacts: response.Data, isLoading: false });
} catch (error) {
set({ isLoading: false, error: error instanceof Error ? error.message : 'An unknown error occurred' });
}
},
```

### 3. Component Layer Enhancement (`src/app/(app)/contacts.tsx`)
- **Pull-to-refresh improvement**: Updated `handleRefresh` callback to use force refresh
- **Cache bypassing**: Ensures pull-to-refresh always fetches fresh data from the server
- **User experience**: Maintains existing pull-to-refresh UI behavior while improving data freshness

```typescript
const handleRefresh = React.useCallback(async () => {
setRefreshing(true);
await fetchContacts(true); // Force refresh to bypass cache
setRefreshing(false);
}, [fetchContacts]);
```

## Testing Implementation

### 1. Store Tests (`src/stores/contacts/__tests__/store.test.ts`)
- **Force refresh testing**: Added test to verify `fetchContacts(true)` calls API with correct parameter
- **Cache manager mocking**: Properly mocked cache manager to ensure isolated testing
- **Backward compatibility**: Verified existing functionality continues to work with default parameters

### 2. Component Tests (`src/app/(app)/__tests__/contacts.test.tsx`)
- **Refresh functionality**: Added test to verify pull-to-refresh configuration
- **Parameter verification**: Ensured initial load uses default behavior while refresh uses force refresh
- **State management**: Verified proper loading state handling during different refresh scenarios

### 3. Integration Tests (`src/app/(app)/__tests__/contacts-pull-to-refresh.integration.test.tsx`)
- **End-to-end verification**: Created comprehensive integration tests for pull-to-refresh functionality
- **RefreshControl testing**: Verified proper RefreshControl configuration and behavior
- **Loading state differentiation**: Tested different loading states for initial load vs refresh

## Key Features

### ✅ Pull-to-Refresh Functionality
- **Already implemented**: The contacts page already had pull-to-refresh UI components
- **Enhanced with cache invalidation**: Now properly bypasses cache to fetch fresh data
- **Maintains user experience**: Existing UI/UX remains unchanged

### ✅ Cache Management
- **Smart caching**: Normal loads use cache for performance
- **Force refresh on pull**: Pull-to-refresh bypasses cache for fresh data
- **Cache invalidation**: Properly clears cache before making fresh requests

### ✅ Loading States
- **Initial load**: Shows full loading screen when no contacts are loaded
- **Refresh load**: Shows contacts with loading indicator during refresh
- **Error handling**: Proper error states for both scenarios

### ✅ Type Safety
- **TypeScript support**: Full type safety maintained throughout the implementation
- **Interface consistency**: Proper interface definitions for all new parameters
- **Backward compatibility**: Existing code continues to work without changes

## Test Results

### Contacts Store Tests: ✅ All Passing (15/15)
- Initial state management
- Fetch contacts (default and force refresh)
- Error handling
- Loading states
- Contact notes functionality
- Search and selection features

### Contacts Page Tests: ✅ All Passing (11/11)
- Component rendering
- Loading states
- Search functionality
- Contact selection
- Pull-to-refresh configuration
- Force refresh parameter verification

### Integration Tests: ✅ All Passing (3/3)
- Pull-to-refresh configuration
- Refresh state management
- Loading state differentiation

### All Contact-Related Tests: ✅ All Passing (66/66)
- ContactCard component tests
- ContactDetailsSheet component tests
- ContactNotesList component tests
- Store integration tests
- Page component tests

## Implementation Notes

### Caching Strategy
- **Default behavior**: Uses cached data for fast loading
- **Force refresh**: Clears cache and fetches fresh data
- **TTL**: Cache TTL remains 1 day for normal operations
- **Performance**: Maintains fast loading for regular navigation

### User Experience
- **Seamless transition**: No breaking changes to existing functionality
- **Visual feedback**: Pull-to-refresh indicator shows refresh state
- **Error handling**: Graceful error handling during refresh operations
- **Data freshness**: Guarantees fresh data when user explicitly requests it

### Code Quality
- **Clean implementation**: Minimal changes with maximum impact
- **Test coverage**: Comprehensive test coverage for new functionality
- **Type safety**: Full TypeScript support maintained
- **Documentation**: Clear code comments and function signatures

## Conclusion

The contacts page now has fully functional pull-to-refresh with proper cache invalidation. Users can pull down on the contacts list to fetch the latest data from the server, bypassing the cache to ensure data freshness. The implementation maintains backward compatibility, performance, and user experience while adding the requested functionality.

All tests are passing, and the implementation follows React Native and TypeScript best practices. The code is production-ready and thoroughly tested.
2 changes: 1 addition & 1 deletion package.json
Original file line number Diff line number Diff line change
Expand Up @@ -145,7 +145,7 @@
"react-native": "0.76.9",
"react-native-base64": "~0.2.1",
"react-native-ble-manager": "^12.1.5",
"react-native-callkeep": "https://github.com/Irfanwani/react-native-callkeep",
"react-native-callkeep": "github:Irfanwani/react-native-callkeep#957193d0716f1c2dfdc18e627cbff0f8a0800971",
"react-native-edge-to-edge": "~1.1.2",
"react-native-flash-message": "~0.4.2",
"react-native-gesture-handler": "~2.20.2",
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13 changes: 12 additions & 1 deletion src/api/config/config.ts → src/api/config/index.ts
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
import { type GetConfigResult } from '@/models/v4/configs/getConfigResult';
import { type GetSystemConfigResult } from '@/models/v4/configs/getSystemConfigResult';

import { createCachedApiEndpoint } from '../common/cached-client';

Expand All @@ -7,9 +8,19 @@ const getConfigApi = createCachedApiEndpoint('/Config/GetConfig', {
enabled: false,
});

const getSystemConfigApi = createCachedApiEndpoint('/Config/GetSystemConfig', {
ttl: 60 * 1000 * 1440, // Cache for 1 days
enabled: false,
});

export const getConfig = async (key: string) => {
const response = await getConfigApi.get<GetConfigResult>({
key: encodeURIComponent(key),
key: key,
});
return response.data;
};

export const getSystemConfig = async () => {
const response = await getSystemConfigApi.get<GetSystemConfigResult>();
return response.data;
};
8 changes: 7 additions & 1 deletion src/api/contacts/contacts.ts
Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import { cacheManager } from '@/lib/cache/cache-manager';
import { type ContactResult } from '@/models/v4/contacts/contactResult';
import { type ContactsCategoriesResult } from '@/models/v4/contacts/contactsCategoriesResult';
import { type ContactsResult } from '@/models/v4/contacts/contactsResult';
Expand All @@ -18,7 +19,12 @@ const getAllContactCategoriesApi = createCachedApiEndpoint('/Contacts/GetAllCont

const getContactApi = createApiEndpoint('/Contacts/GetContactById');

export const getAllContacts = async () => {
export const getAllContacts = async (forceRefresh: boolean = false) => {
if (forceRefresh) {
// Clear cache before making the request
cacheManager.remove('/Contacts/GetAllContacts');
}

const response = await getAllContactsApi.get<ContactsResult>();
return response.data;
};
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