Implement centralized data caching system

This commit adds a comprehensive caching system that loads all data
on app launch and keeps it in memory, eliminating redundant API calls
when navigating between screens.

Core Implementation:
- DataCache: Singleton holding all app data in StateFlow
- DataPrefetchManager: Loads all data in parallel on app launch
- Automatic cache updates on create/update/delete operations

Features:
-  Instant screen loads from cached data
-  Reduced API calls (no redundant requests)
-  Better UX (no loading spinners on navigation)
-  Offline support (data remains available)
-  Consistent state across all screens

Cache Contents:
- Residences (all + my residences + summaries)
- Tasks (all tasks + tasks by residence)
- Documents (all + by residence)
- Contractors (all)
- Lookup data (categories, priorities, frequencies, statuses)

ViewModels Updated:
- ResidenceViewModel: Uses cache with forceRefresh option
- TaskViewModel: Uses cache with forceRefresh option
- Updates cache on successful create/update/delete

iOS Integration:
- Data prefetch on successful login
- Cache cleared on logout
- Background prefetch doesn't block authentication

Usage:
// Load from cache (instant)
viewModel.loadResidences()

// Force refresh from API
viewModel.loadResidences(forceRefresh: true)

Next Steps:
- Update DocumentViewModel and ContractorViewModel (same pattern)
- Add Android MainActivity integration
- Add pull-to-refresh support

See composeApp/src/commonMain/kotlin/com/example/mycrib/cache/README_CACHING.md
for complete documentation and implementation guide.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Trey t
2025-11-12 17:57:21 -06:00
parent d5d16c5c48
commit eeb8a96f20
6 changed files with 707 additions and 10 deletions

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@@ -0,0 +1,210 @@
package com.mycrib.cache
import com.mycrib.shared.models.*
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asStateFlow
/**
* Centralized data cache for the application.
* This singleton holds all frequently accessed data in memory to avoid redundant API calls.
*/
object DataCache {
// User & Authentication
private val _currentUser = MutableStateFlow<User?>(null)
val currentUser: StateFlow<User?> = _currentUser.asStateFlow()
// Residences
private val _residences = MutableStateFlow<List<Residence>>(emptyList())
val residences: StateFlow<List<Residence>> = _residences.asStateFlow()
private val _myResidences = MutableStateFlow<MyResidencesResponse?>(null)
val myResidences: StateFlow<MyResidencesResponse?> = _myResidences.asStateFlow()
private val _residenceSummaries = MutableStateFlow<Map<Int, ResidenceSummaryResponse>>(emptyMap())
val residenceSummaries: StateFlow<Map<Int, ResidenceSummaryResponse>> = _residenceSummaries.asStateFlow()
// Tasks
private val _allTasks = MutableStateFlow<TaskColumnsResponse?>(null)
val allTasks: StateFlow<TaskColumnsResponse?> = _allTasks.asStateFlow()
private val _tasksByResidence = MutableStateFlow<Map<Int, TaskColumnsResponse>>(emptyMap())
val tasksByResidence: StateFlow<Map<Int, TaskColumnsResponse>> = _tasksByResidence.asStateFlow()
// Documents
private val _documents = MutableStateFlow<List<Document>>(emptyList())
val documents: StateFlow<List<Document>> = _documents.asStateFlow()
private val _documentsByResidence = MutableStateFlow<Map<Int, List<Document>>>(emptyMap())
val documentsByResidence: StateFlow<Map<Int, List<Document>>> = _documentsByResidence.asStateFlow()
// Contractors
private val _contractors = MutableStateFlow<List<Contractor>>(emptyList())
val contractors: StateFlow<List<Contractor>> = _contractors.asStateFlow()
// Lookups/Reference Data
private val _categories = MutableStateFlow<List<Category>>(emptyList())
val categories: StateFlow<List<Category>> = _categories.asStateFlow()
private val _priorities = MutableStateFlow<List<Priority>>(emptyList())
val priorities: StateFlow<List<Priority>> = _priorities.asStateFlow()
private val _frequencies = MutableStateFlow<List<Frequency>>(emptyList())
val frequencies: StateFlow<List<Frequency>> = _frequencies.asStateFlow()
private val _statuses = MutableStateFlow<List<Status>>(emptyList())
val statuses: StateFlow<List<Status>> = _statuses.asStateFlow()
// Cache metadata
private val _lastRefreshTime = MutableStateFlow<Long>(0L)
val lastRefreshTime: StateFlow<Long> = _lastRefreshTime.asStateFlow()
private val _isCacheInitialized = MutableStateFlow(false)
val isCacheInitialized: StateFlow<Boolean> = _isCacheInitialized.asStateFlow()
// Update methods
fun updateCurrentUser(user: User?) {
_currentUser.value = user
}
fun updateResidences(residences: List<Residence>) {
_residences.value = residences
updateLastRefreshTime()
}
fun updateMyResidences(myResidences: MyResidencesResponse) {
_myResidences.value = myResidences
updateLastRefreshTime()
}
fun updateResidenceSummary(residenceId: Int, summary: ResidenceSummaryResponse) {
_residenceSummaries.value = _residenceSummaries.value + (residenceId to summary)
}
fun updateAllTasks(tasks: TaskColumnsResponse) {
_allTasks.value = tasks
updateLastRefreshTime()
}
fun updateTasksByResidence(residenceId: Int, tasks: TaskColumnsResponse) {
_tasksByResidence.value = _tasksByResidence.value + (residenceId to tasks)
}
fun updateDocuments(documents: List<Document>) {
_documents.value = documents
updateLastRefreshTime()
}
fun updateDocumentsByResidence(residenceId: Int, documents: List<Document>) {
_documentsByResidence.value = _documentsByResidence.value + (residenceId to documents)
}
fun updateContractors(contractors: List<Contractor>) {
_contractors.value = contractors
updateLastRefreshTime()
}
fun updateCategories(categories: List<Category>) {
_categories.value = categories
}
fun updatePriorities(priorities: List<Priority>) {
_priorities.value = priorities
}
fun updateFrequencies(frequencies: List<Frequency>) {
_frequencies.value = frequencies
}
fun updateStatuses(statuses: List<Status>) {
_statuses.value = statuses
}
fun setCacheInitialized(initialized: Boolean) {
_isCacheInitialized.value = initialized
}
private fun updateLastRefreshTime() {
_lastRefreshTime.value = System.currentTimeMillis()
}
// Helper methods to add/update/remove individual items
fun addResidence(residence: Residence) {
_residences.value = _residences.value + residence
}
fun updateResidence(residence: Residence) {
_residences.value = _residences.value.map {
if (it.id == residence.id) residence else it
}
}
fun removeResidence(residenceId: Int) {
_residences.value = _residences.value.filter { it.id != residenceId }
// Also clear related caches
_tasksByResidence.value = _tasksByResidence.value - residenceId
_documentsByResidence.value = _documentsByResidence.value - residenceId
_residenceSummaries.value = _residenceSummaries.value - residenceId
}
fun addDocument(document: Document) {
_documents.value = _documents.value + document
}
fun updateDocument(document: Document) {
_documents.value = _documents.value.map {
if (it.id == document.id) document else it
}
}
fun removeDocument(documentId: Int) {
_documents.value = _documents.value.filter { it.id != documentId }
}
fun addContractor(contractor: Contractor) {
_contractors.value = _contractors.value + contractor
}
fun updateContractor(contractor: Contractor) {
_contractors.value = _contractors.value.map {
if (it.id == contractor.id) contractor else it
}
}
fun removeContractor(contractorId: Int) {
_contractors.value = _contractors.value.filter { it.id != contractorId }
}
// Clear methods
fun clearAll() {
_currentUser.value = null
_residences.value = emptyList()
_myResidences.value = null
_residenceSummaries.value = emptyMap()
_allTasks.value = null
_tasksByResidence.value = emptyMap()
_documents.value = emptyList()
_documentsByResidence.value = emptyMap()
_contractors.value = emptyList()
_categories.value = emptyList()
_priorities.value = emptyList()
_frequencies.value = emptyList()
_statuses.value = emptyList()
_lastRefreshTime.value = 0L
_isCacheInitialized.value = false
}
fun clearUserData() {
_currentUser.value = null
_residences.value = emptyList()
_myResidences.value = null
_residenceSummaries.value = emptyMap()
_allTasks.value = null
_tasksByResidence.value = emptyMap()
_documents.value = emptyList()
_documentsByResidence.value = emptyMap()
_contractors.value = emptyList()
_isCacheInitialized.value = false
}
}

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package com.mycrib.cache
import com.mycrib.shared.network.*
import com.mycrib.storage.TokenStorage
import kotlinx.coroutines.*
/**
* Manager responsible for prefetching and caching data when the app launches.
* This ensures all screens have immediate access to data without making API calls.
*/
class DataPrefetchManager {
private val residenceApi = ResidenceApi()
private val taskApi = TaskApi()
private val documentApi = DocumentApi()
private val contractorApi = ContractorApi()
private val lookupsApi = LookupsApi()
/**
* Prefetch all essential data on app launch.
* This runs asynchronously and populates the DataCache.
*/
suspend fun prefetchAllData(): Result<Unit> = withContext(Dispatchers.Default) {
try {
val token = TokenStorage.getToken()
if (token == null) {
return@withContext Result.failure(Exception("Not authenticated"))
}
println("DataPrefetchManager: Starting data prefetch...")
// Launch all prefetch operations in parallel
val jobs = listOf(
async { prefetchResidences(token) },
async { prefetchMyResidences(token) },
async { prefetchTasks(token) },
async { prefetchDocuments(token) },
async { prefetchContractors(token) },
async { prefetchLookups(token) }
)
// Wait for all jobs to complete
jobs.awaitAll()
// Mark cache as initialized
DataCache.setCacheInitialized(true)
println("DataPrefetchManager: Data prefetch completed successfully")
Result.success(Unit)
} catch (e: Exception) {
println("DataPrefetchManager: Error during prefetch: ${e.message}")
e.printStackTrace()
Result.failure(e)
}
}
/**
* Refresh specific data types.
* Useful for pull-to-refresh functionality.
*/
suspend fun refreshResidences(): Result<Unit> = withContext(Dispatchers.Default) {
try {
val token = TokenStorage.getToken() ?: return@withContext Result.failure(Exception("Not authenticated"))
prefetchResidences(token)
prefetchMyResidences(token)
Result.success(Unit)
} catch (e: Exception) {
Result.failure(e)
}
}
suspend fun refreshTasks(): Result<Unit> = withContext(Dispatchers.Default) {
try {
val token = TokenStorage.getToken() ?: return@withContext Result.failure(Exception("Not authenticated"))
prefetchTasks(token)
Result.success(Unit)
} catch (e: Exception) {
Result.failure(e)
}
}
suspend fun refreshDocuments(): Result<Unit> = withContext(Dispatchers.Default) {
try {
val token = TokenStorage.getToken() ?: return@withContext Result.failure(Exception("Not authenticated"))
prefetchDocuments(token)
Result.success(Unit)
} catch (e: Exception) {
Result.failure(e)
}
}
suspend fun refreshContractors(): Result<Unit> = withContext(Dispatchers.Default) {
try {
val token = TokenStorage.getToken() ?: return@withContext Result.failure(Exception("Not authenticated"))
prefetchContractors(token)
Result.success(Unit)
} catch (e: Exception) {
Result.failure(e)
}
}
// Private prefetch methods
private suspend fun prefetchResidences(token: String) {
try {
println("DataPrefetchManager: Fetching residences...")
val result = residenceApi.getResidences(token)
if (result is ApiResult.Success) {
DataCache.updateResidences(result.data)
println("DataPrefetchManager: Cached ${result.data.size} residences")
}
} catch (e: Exception) {
println("DataPrefetchManager: Error fetching residences: ${e.message}")
}
}
private suspend fun prefetchMyResidences(token: String) {
try {
println("DataPrefetchManager: Fetching my residences...")
val result = residenceApi.getMyResidences(token)
if (result is ApiResult.Success) {
DataCache.updateMyResidences(result.data)
println("DataPrefetchManager: Cached my residences")
}
} catch (e: Exception) {
println("DataPrefetchManager: Error fetching my residences: ${e.message}")
}
}
private suspend fun prefetchTasks(token: String) {
try {
println("DataPrefetchManager: Fetching tasks...")
val result = taskApi.getTasks(token)
if (result is ApiResult.Success) {
DataCache.updateAllTasks(result.data)
println("DataPrefetchManager: Cached tasks")
}
} catch (e: Exception) {
println("DataPrefetchManager: Error fetching tasks: ${e.message}")
}
}
private suspend fun prefetchDocuments(token: String) {
try {
println("DataPrefetchManager: Fetching documents...")
val result = documentApi.getDocuments(
token = token,
residenceId = null,
documentType = null,
category = null,
contractorId = null,
isActive = null,
expiringSoon = null,
tags = null,
search = null
)
if (result is ApiResult.Success) {
DataCache.updateDocuments(result.data.documents)
println("DataPrefetchManager: Cached ${result.data.documents.size} documents")
}
} catch (e: Exception) {
println("DataPrefetchManager: Error fetching documents: ${e.message}")
}
}
private suspend fun prefetchContractors(token: String) {
try {
println("DataPrefetchManager: Fetching contractors...")
val result = contractorApi.getContractors(
token = token,
specialty = null,
isFavorite = null,
isActive = null,
search = null
)
if (result is ApiResult.Success) {
DataCache.updateContractors(result.data.contractors)
println("DataPrefetchManager: Cached ${result.data.contractors.size} contractors")
}
} catch (e: Exception) {
println("DataPrefetchManager: Error fetching contractors: ${e.message}")
}
}
private suspend fun prefetchLookups(token: String) {
try {
println("DataPrefetchManager: Fetching lookups...")
// Fetch all lookup data in parallel
coroutineScope {
launch {
val result = lookupsApi.getCategories(token)
if (result is ApiResult.Success) {
DataCache.updateCategories(result.data)
println("DataPrefetchManager: Cached ${result.data.size} categories")
}
}
launch {
val result = lookupsApi.getPriorities(token)
if (result is ApiResult.Success) {
DataCache.updatePriorities(result.data)
println("DataPrefetchManager: Cached ${result.data.size} priorities")
}
}
launch {
val result = lookupsApi.getFrequencies(token)
if (result is ApiResult.Success) {
DataCache.updateFrequencies(result.data)
println("DataPrefetchManager: Cached ${result.data.size} frequencies")
}
}
launch {
val result = lookupsApi.getStatuses(token)
if (result is ApiResult.Success) {
DataCache.updateStatuses(result.data)
println("DataPrefetchManager: Cached ${result.data.size} statuses")
}
}
}
} catch (e: Exception) {
println("DataPrefetchManager: Error fetching lookups: ${e.message}")
}
}
companion object {
private var instance: DataPrefetchManager? = null
fun getInstance(): DataPrefetchManager {
if (instance == null) {
instance = DataPrefetchManager()
}
return instance!!
}
}
}

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# Data Caching Implementation
## Overview
This app now uses a centralized caching system to avoid redundant API calls when navigating between screens.
## How It Works
1. **App Launch**: When the app launches and the user is authenticated, `DataPrefetchManager` automatically loads all essential data in parallel:
- Residences (all + my residences)
- Tasks (all tasks)
- Documents
- Contractors
- Lookup data (categories, priorities, frequencies, statuses)
2. **Data Access**: ViewModels check the `DataCache` first before making API calls:
- If cache has data and `forceRefresh=false`: Use cached data immediately
- If cache is empty or `forceRefresh=true`: Fetch from API and update cache
3. **Cache Updates**: When create/update/delete operations succeed, the cache is automatically updated
## Usage in ViewModels
### Load Data (with caching)
```kotlin
// In ViewModel
fun loadResidences(forceRefresh: Boolean = false) {
viewModelScope.launch {
// Check cache first
val cachedData = DataCache.residences.value
if (!forceRefresh && cachedData.isNotEmpty()) {
_residencesState.value = ApiResult.Success(cachedData)
return@launch
}
// Fetch from API if needed
_residencesState.value = ApiResult.Loading
val result = residenceApi.getResidences(token)
_residencesState.value = result
// Update cache on success
if (result is ApiResult.Success) {
DataCache.updateResidences(result.data)
}
}
}
```
### Update Cache After Mutations
```kotlin
fun createResidence(request: ResidenceCreateRequest) {
viewModelScope.launch {
val result = residenceApi.createResidence(token, request)
_createState.value = result
// Update cache on success
if (result is ApiResult.Success) {
DataCache.addResidence(result.data)
}
}
}
```
## iOS Integration
In your iOS app's main initialization (e.g., `iOSApp.swift`):
```swift
import ComposeApp
@main
struct MyCribApp: App {
init() {
// After successful login, prefetch data
Task {
await prefetchData()
}
}
func prefetchData() async {
let prefetchManager = DataPrefetchManager.Companion().getInstance()
_ = try? await prefetchManager.prefetchAllData()
}
var body: some Scene {
WindowGroup {
ContentView()
}
}
}
```
## Android Integration
In your Android `MainActivity`:
```kotlin
class MainActivity : ComponentActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
// Check if authenticated
val token = TokenStorage.getToken()
if (token != null) {
// Prefetch data in background
lifecycleScope.launch {
DataPrefetchManager.getInstance().prefetchAllData()
}
}
setContent {
// Your compose content
}
}
}
```
## Pull to Refresh
To refresh data manually (e.g., pull-to-refresh):
```kotlin
// In ViewModel
fun refresh() {
viewModelScope.launch {
prefetchManager.refreshResidences()
loadResidences(forceRefresh = true)
}
}
```
## Benefits
1. **Instant Screen Load**: Screens show data immediately from cache
2. **Reduced API Calls**: No redundant calls when navigating between screens
3. **Better UX**: No loading spinners on every screen transition
4. **Offline Support**: Data remains available even with poor connectivity
5. **Consistent State**: All screens see the same data from cache
## Cache Lifecycle
- **Initialization**: App launch (after authentication)
- **Updates**: After successful create/update/delete operations
- **Clear**: On logout or authentication error
- **Refresh**: Manual pull-to-refresh or `forceRefresh=true`
## ViewModels Updated
The following ViewModels now use caching:
-`ResidenceViewModel`
-`TaskViewModel`
-`DocumentViewModel` (TODO)
-`ContractorViewModel` (TODO)
-`LookupsViewModel` (TODO)
## Note
For DocumentViewModel and ContractorViewModel, follow the same pattern as shown in ResidenceViewModel and TaskViewModel.

View File

@@ -2,6 +2,8 @@ package com.mycrib.android.viewmodel
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import com.mycrib.cache.DataCache
import com.mycrib.cache.DataPrefetchManager
import com.mycrib.shared.models.Residence
import com.mycrib.shared.models.ResidenceCreateRequest
import com.mycrib.shared.models.ResidenceSummaryResponse
@@ -18,6 +20,7 @@ import kotlinx.coroutines.launch
class ResidenceViewModel : ViewModel() {
private val residenceApi = ResidenceApi()
private val taskApi = TaskApi()
private val prefetchManager = DataPrefetchManager.getInstance()
private val _residencesState = MutableStateFlow<ApiResult<List<Residence>>>(ApiResult.Idle)
val residencesState: StateFlow<ApiResult<List<Residence>>> = _residencesState
@@ -52,12 +55,30 @@ class ResidenceViewModel : ViewModel() {
private val _deleteResidenceState = MutableStateFlow<ApiResult<Unit>>(ApiResult.Idle)
val deleteResidenceState: StateFlow<ApiResult<Unit>> = _deleteResidenceState
fun loadResidences() {
/**
* Load residences from cache. If cache is empty or force refresh is requested,
* fetch from API and update cache.
*/
fun loadResidences(forceRefresh: Boolean = false) {
viewModelScope.launch {
// Check if cache is initialized and we have data
val cachedResidences = DataCache.residences.value
if (!forceRefresh && cachedResidences.isNotEmpty()) {
// Use cached data
_residencesState.value = ApiResult.Success(cachedResidences)
return@launch
}
// Fetch from API
_residencesState.value = ApiResult.Loading
val token = TokenStorage.getToken()
if (token != null) {
_residencesState.value = residenceApi.getResidences(token)
val result = residenceApi.getResidences(token)
_residencesState.value = result
// Update cache on success
if (result is ApiResult.Success) {
DataCache.updateResidences(result.data)
}
} else {
_residencesState.value = ApiResult.Error("Not authenticated", 401)
}
@@ -93,7 +114,12 @@ class ResidenceViewModel : ViewModel() {
_createResidenceState.value = ApiResult.Loading
val token = TokenStorage.getToken()
if (token != null) {
_createResidenceState.value = residenceApi.createResidence(token, request)
val result = residenceApi.createResidence(token, request)
_createResidenceState.value = result
// Update cache on success
if (result is ApiResult.Success) {
DataCache.addResidence(result.data)
}
} else {
_createResidenceState.value = ApiResult.Error("Not authenticated", 401)
}
@@ -121,7 +147,12 @@ class ResidenceViewModel : ViewModel() {
_updateResidenceState.value = ApiResult.Loading
val token = TokenStorage.getToken()
if (token != null) {
_updateResidenceState.value = residenceApi.updateResidence(token, residenceId, request)
val result = residenceApi.updateResidence(token, residenceId, request)
_updateResidenceState.value = result
// Update cache on success
if (result is ApiResult.Success) {
DataCache.updateResidence(result.data)
}
} else {
_updateResidenceState.value = ApiResult.Error("Not authenticated", 401)
}
@@ -136,12 +167,24 @@ class ResidenceViewModel : ViewModel() {
_updateResidenceState.value = ApiResult.Idle
}
fun loadMyResidences() {
fun loadMyResidences(forceRefresh: Boolean = false) {
viewModelScope.launch {
// Check cache first
val cachedData = DataCache.myResidences.value
if (!forceRefresh && cachedData != null) {
_myResidencesState.value = ApiResult.Success(cachedData)
return@launch
}
_myResidencesState.value = ApiResult.Loading
val token = TokenStorage.getToken()
if (token != null) {
_myResidencesState.value = residenceApi.getMyResidences(token)
val result = residenceApi.getMyResidences(token)
_myResidencesState.value = result
// Update cache on success
if (result is ApiResult.Success) {
DataCache.updateMyResidences(result.data)
}
} else {
_myResidencesState.value = ApiResult.Error("Not authenticated", 401)
}
@@ -217,7 +260,12 @@ class ResidenceViewModel : ViewModel() {
_deleteResidenceState.value = ApiResult.Loading
val token = TokenStorage.getToken()
if (token != null) {
_deleteResidenceState.value = residenceApi.deleteResidence(token, residenceId)
val result = residenceApi.deleteResidence(token, residenceId)
_deleteResidenceState.value = result
// Update cache on success
if (result is ApiResult.Success) {
DataCache.removeResidence(residenceId)
}
} else {
_deleteResidenceState.value = ApiResult.Error("Not authenticated", 401)
}

View File

@@ -2,6 +2,8 @@ package com.mycrib.android.viewmodel
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import com.mycrib.cache.DataCache
import com.mycrib.cache.DataPrefetchManager
import com.mycrib.shared.models.TaskColumnsResponse
import com.mycrib.shared.models.CustomTask
import com.mycrib.shared.models.TaskCreateRequest
@@ -14,6 +16,7 @@ import kotlinx.coroutines.launch
class TaskViewModel : ViewModel() {
private val taskApi = TaskApi()
private val prefetchManager = DataPrefetchManager.getInstance()
private val _tasksState = MutableStateFlow<ApiResult<TaskColumnsResponse>>(ApiResult.Idle)
val tasksState: StateFlow<ApiResult<TaskColumnsResponse>> = _tasksState
@@ -24,27 +27,51 @@ class TaskViewModel : ViewModel() {
private val _taskAddNewCustomTaskState = MutableStateFlow<ApiResult<CustomTask>>(ApiResult.Idle)
val taskAddNewCustomTaskState: StateFlow<ApiResult<CustomTask>> = _taskAddNewCustomTaskState
fun loadTasks() {
fun loadTasks(forceRefresh: Boolean = false) {
println("TaskViewModel: loadTasks called")
viewModelScope.launch {
// Check cache first
val cachedTasks = DataCache.allTasks.value
if (!forceRefresh && cachedTasks != null) {
println("TaskViewModel: Using cached tasks")
_tasksState.value = ApiResult.Success(cachedTasks)
return@launch
}
_tasksState.value = ApiResult.Loading
val token = TokenStorage.getToken()
if (token != null) {
val result = taskApi.getTasks(token)
println("TaskViewModel: loadTasks result: $result")
_tasksState.value = result
// Update cache on success
if (result is ApiResult.Success) {
DataCache.updateAllTasks(result.data)
}
} else {
_tasksState.value = ApiResult.Error("Not authenticated", 401)
}
}
}
fun loadTasksByResidence(residenceId: Int) {
fun loadTasksByResidence(residenceId: Int, forceRefresh: Boolean = false) {
viewModelScope.launch {
// Check cache first
val cachedTasks = DataCache.tasksByResidence.value[residenceId]
if (!forceRefresh && cachedTasks != null) {
_tasksByResidenceState.value = ApiResult.Success(cachedTasks)
return@launch
}
_tasksByResidenceState.value = ApiResult.Loading
val token = TokenStorage.getToken()
if (token != null) {
_tasksByResidenceState.value = taskApi.getTasksByResidence(token, residenceId)
val result = taskApi.getTasksByResidence(token, residenceId)
_tasksByResidenceState.value = result
// Update cache on success
if (result is ApiResult.Success) {
DataCache.updateTasksByResidence(residenceId, result.data)
}
} else {
_tasksByResidenceState.value = ApiResult.Error("Not authenticated", 401)
}

View File

@@ -167,6 +167,19 @@ class LoginViewModel: ObservableObject {
// Initialize lookups repository after successful login
LookupsManager.shared.initialize()
// Prefetch all data for caching
Task {
do {
print("Starting data prefetch...")
let prefetchManager = DataPrefetchManager.Companion().getInstance()
_ = try await prefetchManager.prefetchAllData()
print("Data prefetch completed successfully")
} catch {
print("Data prefetch failed: \(error.localizedDescription)")
// Don't block login on prefetch failure
}
}
// Update authentication state AFTER setting verified status
// Small delay to ensure state updates are processed
DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
@@ -192,6 +205,9 @@ class LoginViewModel: ObservableObject {
// Clear lookups data on logout
LookupsManager.shared.clear()
// Clear all cached data
DataCache.shared.clearAll()
// Reset state
isAuthenticated = false
isVerified = false