Preparation for adding ProfileFragmentViewModel

app/build.gradle

@@ -147,6 +147,11 @@ android {
         exclude 'META-INF/LICENSE.md'
         exclude 'META-INF/LICENSE-notice.md'
     }
+
+    testOptions.unitTests {
+        includeAndroidResources = true
+    }
+
 }
 
 configurations.all {
@@ -231,6 +236,9 @@ dependencies {
     githubImplementation 'io.sentry:sentry-android:4.3.0'
 
     testImplementation 'org.junit.jupiter:junit-jupiter:5.7.2'
+    testImplementation "androidx.test.ext:junit-ktx:1.1.2"
+    testImplementation "androidx.test:core-ktx:1.3.0"
+    testImplementation "org.robolectric:robolectric:4.5.1"
 
     androidTestImplementation 'org.junit.jupiter:junit-jupiter:5.7.1'
     androidTestImplementation 'androidx.test:core:1.3.0'

app/src/main/java/awais/instagrabber/fragments/main/ProfileFragment.java

@@ -93,6 +93,7 @@ import awais.instagrabber.utils.TextUtils;
 import awais.instagrabber.utils.Utils;
 import awais.instagrabber.viewmodels.AppStateViewModel;
 import awais.instagrabber.viewmodels.HighlightsViewModel;
+import awais.instagrabber.viewmodels.ProfileFragmentViewModel;
 import awais.instagrabber.webservices.DirectMessagesService;
 import awais.instagrabber.webservices.FriendshipService;
 import awais.instagrabber.webservices.GraphQLService;
@@ -139,6 +140,12 @@ public class ProfileFragment extends Fragment implements SwipeRefreshLayout.OnRe
     private int downloadChildPosition = -1;
     private long myId;
     private PostsLayoutPreferences layoutPreferences = Utils.getPostsLayoutPreferences(Constants.PREF_PROFILE_POSTS_LAYOUT);
+    private LayoutProfileDetailsBinding profileDetailsBinding;
+    private AccountRepository accountRepository;
+    private FavoriteRepository favoriteRepository;
+    private AppStateViewModel appStateViewModel;
+    private boolean disableDm = false;
+    private ProfileFragmentViewModel viewModel;
 
     private final ServiceCallback<FriendshipChangeResponse> changeCb = new ServiceCallback<FriendshipChangeResponse>() {
         @Override
@@ -156,7 +163,6 @@ public class ProfileFragment extends Fragment implements SwipeRefreshLayout.OnRe
             Log.e(TAG, "Error editing relationship", t);
         }
     };
-
     private final Runnable usernameSettingRunnable = () -> {
         final ActionBar actionBar = fragmentActivity.getSupportActionBar();
         if (actionBar != null && !TextUtils.isEmpty(username)) {
@@ -318,11 +324,6 @@ public class ProfileFragment extends Fragment implements SwipeRefreshLayout.OnRe
             }
         }
     };
-    private LayoutProfileDetailsBinding profileDetailsBinding;
-    private AccountRepository accountRepository;
-    private FavoriteRepository favoriteRepository;
-    private AppStateViewModel appStateViewModel;
-    private boolean disableDm = false;
 
     @Override
     public void onCreate(@Nullable final Bundle savedInstanceState) {
@@ -344,6 +345,7 @@ public class ProfileFragment extends Fragment implements SwipeRefreshLayout.OnRe
         accountRepository = AccountRepository.getInstance(AccountDataSource.getInstance(context));
         favoriteRepository = FavoriteRepository.getInstance(FavoriteDataSource.getInstance(context));
         appStateViewModel = new ViewModelProvider(fragmentActivity).get(AppStateViewModel.class);
+        viewModel = new ViewModelProvider(this).get(ProfileFragmentViewModel.class);
         setHasOptionsMenu(true);
     }
 
@@ -373,6 +375,7 @@ public class ProfileFragment extends Fragment implements SwipeRefreshLayout.OnRe
             shouldRefresh = false;
             return root;
         }
+        // appStateViewModel.getCurrentUserLiveData().observe(getViewLifecycleOwner(), user -> viewModel.setCurrentUser(user));
         binding = FragmentProfileBinding.inflate(inflater, container, false);
         root = binding.getRoot();
         profileDetailsBinding = binding.header;

app/src/main/java/awais/instagrabber/viewmodels/ProfileFragmentViewModel.kt

@@ -0,0 +1,21 @@
+package awais.instagrabber.viewmodels
+
+import androidx.lifecycle.*
+import awais.instagrabber.repositories.responses.User
+
+class ProfileFragmentViewModel(
+    state: SavedStateHandle,
+) : ViewModel() {
+    private val _profile = MutableLiveData<User?>()
+    val profile: LiveData<User?> = _profile
+    val username: LiveData<String> = Transformations.map(profile) { return@map it?.username ?: "" }
+
+    var currentUser: User? = null
+    var isLoggedIn = false
+        get() = currentUser != null
+        private set
+
+    init {
+        // Log.d(TAG, state.keys().toString())
+    }
+}

app/src/test/java/awais/instagrabber/viewmodels/ProfileFragmentViewModelTest.kt

@@ -0,0 +1,18 @@
+package awais.instagrabber.viewmodels
+
+import androidx.lifecycle.SavedStateHandle
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+internal class ProfileFragmentViewModelTest {
+    @Test
+    fun testNoUsernameNoCurrentUser() {
+        val state = SavedStateHandle(mutableMapOf<String, Any>(
+            "username" to ""
+        ))
+        val viewModel = ProfileFragmentViewModel(state)
+
+    }
+}