feat: add a option for logout

Yash-Garg · Dec 12, 2022 · ce2ebc2 · ce2ebc2
1 parent 3806202
commit ce2ebc2
Show file tree

Hide file tree

Showing 3 changed files with 49 additions and 8 deletions.
diff --git a/app/src/main/kotlin/dev/yash/keymanager/ui/KeyManagerApp.kt b/app/src/main/kotlin/dev/yash/keymanager/ui/KeyManagerApp.kt
@@ -32,7 +32,12 @@ fun KeyManagerApp() {
             }
             composable(NavDestinations.HomeScreen.route) {
                 val homeViewModel = hiltViewModel<HomeViewModel>()
-                HomeScreen(viewModel = homeViewModel)
+                HomeScreen(
+                    viewModel = homeViewModel,
+                    onLogoutNavigate = {
+                        navController.navigate(NavDestinations.AuthScreen.route) { popUpTo(0) }
+                    }
+                )
             }
         }
     }

diff --git a/app/src/main/kotlin/dev/yash/keymanager/ui/home/HomeScreen.kt b/app/src/main/kotlin/dev/yash/keymanager/ui/home/HomeScreen.kt
@@ -4,6 +4,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Add
 import androidx.compose.material.icons.twotone.ExitToApp
+import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.FabPosition
 import androidx.compose.material3.FloatingActionButton
@@ -14,6 +15,7 @@ import androidx.compose.material3.NavigationBar
 import androidx.compose.material3.NavigationBarItem
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
@@ -33,17 +35,19 @@ import dev.yash.keymanager.R
 import dev.yash.keymanager.data.models.GpgKey
 import dev.yash.keymanager.data.models.NavDestinations
 import dev.yash.keymanager.data.models.SshKey
+import kotlinx.coroutines.runBlocking
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Suppress("UNCHECKED_CAST")
 @Composable
 fun HomeScreen(
     viewModel: HomeViewModel = viewModel(),
-    navController: NavHostController = rememberNavController()
+    navController: NavHostController = rememberNavController(),
+    onLogoutNavigate: () -> Unit,
 ) {
     val sshKeys = viewModel.sshKeys.collectAsLazyPagingItems() as LazyPagingItems<SshKey>
     val gpgKeys = viewModel.gpgKeys.collectAsLazyPagingItems() as LazyPagingItems<GpgKey>
-    val openAddDialog = remember { mutableStateOf(false) }
+    val openLogoutDialog = remember { mutableStateOf(false) }
 
     Scaffold(
         topBar = {
@@ -57,15 +61,15 @@ fun HomeScreen(
                 },
                 scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior(),
                 actions = {
-                    IconButton(onClick = { /*TODO*/}) { Icon(Icons.TwoTone.ExitToApp, null) }
+                    IconButton(onClick = { openLogoutDialog.value = true }) {
+                        Icon(Icons.TwoTone.ExitToApp, null)
+                    }
                 }
             )
         },
         bottomBar = { HomeBottomBar(navController = navController) },
         floatingActionButton = {
-            FloatingActionButton(onClick = { openAddDialog.value = true }) {
-                Icon(Icons.Filled.Add, null)
-            }
+            FloatingActionButton(onClick = {}) { Icon(Icons.Filled.Add, null) }
         },
         floatingActionButtonPosition = FabPosition.End
     ) {
@@ -75,6 +79,33 @@ fun HomeScreen(
             sshKeys = sshKeys,
             gpgKeys = gpgKeys
         )
+
+        if (openLogoutDialog.value) {
+            AlertDialog(
+                onDismissRequest = { openLogoutDialog.value = false },
+                title = {
+                    Text(
+                        text = "Are you sure you want to logout?",
+                        fontWeight = FontWeight.SemiBold
+                    )
+                },
+                text = { Text(text = "This will delete the stored access token.") },
+                confirmButton = {
+                    TextButton(
+                        onClick = {
+                            runBlocking { viewModel.logout() }
+                            onLogoutNavigate()
+                            openLogoutDialog.value = false
+                        }
+                    ) {
+                        Text("Confirm")
+                    }
+                },
+                dismissButton = {
+                    TextButton(onClick = { openLogoutDialog.value = false }) { Text("Dismiss") }
+                }
+            )
+        }
     }
 }
 
@@ -90,7 +121,7 @@ fun HomeBottomBar(navController: NavHostController) {
                 selected = selectedTab == index,
                 onClick = {
                     selectedTab = index
-                    navController.navigate(item.route)
+                    navController.navigate(item.route) { popUpTo(0) }
                 },
                 icon = { Icon(requireNotNull(item.icon), null) }
             )

diff --git a/app/src/main/kotlin/dev/yash/keymanager/ui/home/HomeViewModel.kt b/app/src/main/kotlin/dev/yash/keymanager/ui/home/HomeViewModel.kt
@@ -1,10 +1,12 @@
 package dev.yash.keymanager.ui.home
 
+import android.content.SharedPreferences
 import androidx.lifecycle.ViewModel
 import androidx.paging.Pager
 import androidx.paging.PagingConfig
 import dagger.hilt.android.lifecycle.HiltViewModel
 import dev.yash.keymanager.data.api.GithubRepository
+import dev.yash.keymanager.data.utils.AuthConfig
 import dev.yash.keymanager.paging.GithubPagingSource
 import javax.inject.Inject
 
@@ -13,6 +15,7 @@ class HomeViewModel
 @Inject
 constructor(
     private val repository: GithubRepository,
+    private val preferences: SharedPreferences,
     private val pagingSourceFactory: GithubPagingSource.Factory
 ) : ViewModel() {
     private val sshKeysPager =
@@ -26,4 +29,6 @@ constructor(
 
     val gpgKeys
         get() = gpgKeysPager.flow
+
+    fun logout() = preferences.edit().remove(AuthConfig.TOKEN_KEY).apply()
 }