Added rescan dialog

Author: MihaiCristianCondrea

app/src/main/kotlin/com/d4rk/cleaner/ui/dialogs/RescanDialogComposable.kt

@@ -0,0 +1,30 @@
+package com.d4rk.cleaner.ui.dialogs
+
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+
+
+@Composable
+fun RescanAlertDialog(
+    onYes: () -> Unit,
+    onDismiss: () -> Unit
+) {
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text("Rescan?") },
+        text = { Text("Are you sure you want to scan again?") },
+        confirmButton = {
+            TextButton(onClick = onYes) {
+                Text(stringResource(android.R.string.ok))
+            }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismiss) {
+                Text(stringResource(android.R.string.cancel))
+            }
+        }
+    )
+}

app/src/main/kotlin/com/d4rk/cleaner/ui/home/HomeComposable.kt

@@ -68,6 +68,7 @@ import coil.disk.DiskCache
 import coil.memory.MemoryCache
 import coil.request.ImageRequest
 import com.d4rk.cleaner.R
+import com.d4rk.cleaner.ui.dialogs.RescanAlertDialog
 import com.d4rk.cleaner.utils.CircularDeterminateIndicator
 import com.d4rk.cleaner.utils.bounceClick
 import com.d4rk.cleaner.utils.getFileIcon
@@ -102,6 +103,18 @@ fun HomeComposable() {
 
     val launchScanningKey = remember { mutableStateOf(false) }
 
+    if (viewModel.showRescanDialog.value) {
+        RescanAlertDialog(
+            onYes = {
+                viewModel.rescan(
+                    context as Activity
+                )
+                viewModel.showRescanDialog.value = false
+            },
+            onDismiss = { viewModel.showRescanDialog.value = false }
+        )
+    }
+
     Column(
         modifier = Modifier.fillMaxSize()
     ) {
@@ -195,9 +208,7 @@ fun HomeComposable() {
                     .animateContentSize()
                     .padding(start = if (showCleaningComposable) 8.dp else 16.dp, end = 16.dp)
                     .bounceClick(), onClick = {
-                    if (!showCleaningComposable) {
-                        viewModel.analyze(activity = context as Activity)
-                    }
+                    viewModel.analyze(activity = context as Activity)
                 }, shape = MaterialTheme.shapes.medium
             ) {
                 Column(

app/src/main/kotlin/com/d4rk/cleaner/ui/home/HomeViewModel.kt

@@ -43,6 +43,9 @@ class HomeViewModel(application: Application) : AndroidViewModel(application) {
     private val dataStoreInstance: DataStore = DataStore(application)
     val showCleaningComposable = MutableLiveData(false)
     val isAnalyzing = MutableLiveData(false)
+    var showRescanDialog = mutableStateOf(false)
+    private var hasScanned = mutableStateOf(false)
+    private var isUserConfirmedRescan = mutableStateOf(false)
     val _selectedFileCount = MutableStateFlow(0)
     val selectedFileCount: StateFlow<Int> = _selectedFileCount.asStateFlow()
 
@@ -124,17 +127,30 @@ class HomeViewModel(application: Application) : AndroidViewModel(application) {
             requestPermissions(activity)
             return
         }
+
+        if (hasScanned.value && !isUserConfirmedRescan.value) {
+            showRescanDialog.value = true
+        }
+
+        isUserConfirmedRescan.value = false
         isAnalyzing.value = true
         showCleaningComposable.value = true
         viewModelScope.launch {
             fileScanner.startScanning()
             withContext(Dispatchers.Main) {
                 scannedFiles.value = fileScanner.getFilteredFiles()
-                isAnalyzing.value =false
+                isAnalyzing.value = false
+                hasScanned.value = true
             }
         }
     }
 
+    fun rescan(activity: Activity) {
+        showRescanDialog.value = false
+        scannedFiles.value = emptyList()
+        analyze(activity)
+    }
+
     /**
      * Initiates the cleaning process if the required permissions are granted.
      *