Fix more content filter logic

Author: tylerbwong

app/src/main/kotlin/me/tylerbwong/stack/data/content/ContentFilter.kt

@@ -19,9 +19,9 @@ class ContentFilter @Inject constructor(
     private val siteStore: SiteStore,
     @StackSharedPreferences private val preferences: SharedPreferences,
 ) {
-    val contentFilteredUpdated: LiveData<Unit>
+    val contentFilteredUpdated: LiveData<ContentFilterData>
         get() = _contentFilterUpdated
-    private val _contentFilterUpdated = MutableLiveData<Unit>()
+    private val _contentFilterUpdated = MutableLiveData<ContentFilterData>()
 
     val filteredQuestionIds: Set<Int>
         get() = getFilteredContent(QUESTION_ID_CONTENT_FILTER)
@@ -117,15 +117,40 @@ class ContentFilter @Inject constructor(
             preferences.edit()
                 .putStringSet(key, (currentIds + id).map { "${it},${siteStore.site}" }.toSet())
                 .apply()
-            _contentFilterUpdated.value = Unit
+            _contentFilterUpdated.value = ContentFilterData(
+                filteredQuestionIds = filteredQuestionIds,
+                filteredAnswerIds = filteredAnswerIds,
+                filteredCommentIds = filteredCommentIds,
+                filteredUserIds = filteredUserIds,
+            )
         }
     }
 
     private fun clearFilteredContent(key: String) {
         preferences.edit()
             .putStringSet(key, emptySet())
             .apply()
-        _contentFilterUpdated.value = Unit
+        _contentFilterUpdated.value = ContentFilterData(
+            filteredQuestionIds = filteredQuestionIds,
+            filteredAnswerIds = filteredAnswerIds,
+            filteredCommentIds = filteredCommentIds,
+            filteredUserIds = filteredUserIds,
+        )
+    }
+
+    data class ContentFilterData(
+        val filteredQuestionIds: Set<Int>,
+        val filteredAnswerIds: Set<Int>,
+        val filteredCommentIds: Set<Int>,
+        val filteredUserIds: Set<Int>,
+    ) {
+        val isEmpty: Boolean
+            get() = listOf(
+                filteredQuestionIds,
+                filteredAnswerIds,
+                filteredCommentIds,
+                filteredUserIds,
+            ).all { it.isEmpty() }
     }
 
     companion object {

app/src/main/kotlin/me/tylerbwong/stack/ui/comments/CommentsBottomSheetDialogFragment.kt

@@ -45,8 +45,23 @@ class CommentsBottomSheetDialogFragment : BottomSheetDialogFragment() {
             layoutManager = LinearLayoutManager(context)
         }
         binding.header.title.text = getString(R.string.comments)
-        viewModel.contentFilteredUpdated.observe(viewLifecycleOwner) {
-            viewModel.fetchComments()
+        viewModel.contentFilteredUpdated.observe(viewLifecycleOwner) { filterData ->
+            if (filterData.isEmpty) {
+                viewModel.fetchComments()
+            } else {
+                viewModel.data.value?.let {
+                    adapter.submitList(
+                        it.filter { item ->
+                            if (item is CommentItem) {
+                                item.comment.commentId !in filterData.filteredCommentIds &&
+                                        item.comment.owner.userId !in filterData.filteredUserIds
+                            } else {
+                                true
+                            }
+                        }
+                    )
+                }
+            }
         }
         viewModel.refreshing.observe(viewLifecycleOwner) { isRefreshing ->
             if (isRefreshing) {

app/src/main/kotlin/me/tylerbwong/stack/ui/comments/CommentsViewModel.kt

@@ -31,7 +31,7 @@ class CommentsViewModel @Inject constructor(
         get() = _data
     private val _data = MutableLiveData<List<DynamicItem>>()
 
-    internal val contentFilteredUpdated: LiveData<Unit>
+    internal val contentFilteredUpdated: LiveData<ContentFilter.ContentFilterData>
         get() = contentFilter.contentFilteredUpdated
 
     val errorToast: LiveData<CommentError?>

app/src/main/kotlin/me/tylerbwong/stack/ui/home/HomeFragment.kt

@@ -48,8 +48,19 @@ class HomeFragment : BaseFragment<HomeFragmentBinding>(
             adapter.submitList(null)
             viewModel.fetchQuestions()
         }
-        viewModel.contentFilterUpdated.observe(viewLifecycleOwner) {
-            viewModel.fetchQuestions()
+        viewModel.contentFilterUpdated.observe(viewLifecycleOwner) { filterData ->
+            if (filterData.isEmpty) {
+                viewModel.fetchQuestions()
+            } else {
+                viewModel.questions.value?.let {
+                    updateContent(
+                        it.filter { question ->
+                            question.questionId !in filterData.filteredQuestionIds &&
+                                    question.owner.userId !in filterData.filteredUserIds
+                        }
+                    )
+                }
+            }
         }
         viewModel.refreshing.observe(viewLifecycleOwner) {
             binding.refreshLayout.isRefreshing = it

app/src/main/kotlin/me/tylerbwong/stack/ui/home/HomeViewModel.kt

@@ -26,7 +26,7 @@ internal class HomeViewModel @Inject constructor(
     internal val siteLiveData: LiveData<String>
         get() = siteRepository.siteLiveData
 
-    internal val contentFilterUpdated: LiveData<Unit>
+    internal val contentFilterUpdated: LiveData<ContentFilter.ContentFilterData>
         get() = contentFilter.contentFilteredUpdated
 
     @Sort

app/src/main/kotlin/me/tylerbwong/stack/ui/profile/ProfileActivity.kt

@@ -38,10 +38,6 @@ class ProfileActivity : BaseActivity<ActivityProfileBinding>(ActivityProfileBind
             }
         }
 
-        viewModel.contentFilterUpdated.observe(this) {
-            viewModel.fetchProfileData()
-        }
-
         viewModel.userData.observe(this) {
             binding.toolbar.title = it.displayName.toHtml()
             binding.profileHeader.setContent {

app/src/main/kotlin/me/tylerbwong/stack/ui/profile/ProfilePageFragment.kt

@@ -36,6 +36,11 @@ class ProfilePageFragment : BaseFragment<ProfilePageFragmentBinding>(
         viewModel.refreshing.observe(viewLifecycleOwner) {
             binding.refreshLayout.isRefreshing = it
         }
+        viewModel.contentFilterUpdated.observe(viewLifecycleOwner) {
+            if (viewModel.userId !in it.filteredUserIds) {
+                viewModel.fetchProfileData()
+            }
+        }
         viewModel.data.observe(viewLifecycleOwner) {
             adapter.submitList(it)
         }

app/src/main/kotlin/me/tylerbwong/stack/ui/profile/ProfileViewModel.kt

@@ -35,7 +35,7 @@ class ProfileViewModel @Inject constructor(
         get() = _data
     private val _data = MutableLiveData<List<DynamicItem>>()
 
-    internal val contentFilterUpdated: LiveData<Unit>
+    internal val contentFilterUpdated: LiveData<ContentFilter.ContentFilterData>
         get() = contentFilter.contentFilteredUpdated
 
     internal fun fetchUserData() {

app/src/main/kotlin/me/tylerbwong/stack/ui/questions/detail/QuestionDetailActivity.kt

@@ -40,10 +40,7 @@ class QuestionDetailActivity : BaseActivity<ActivityQuestionDetailBinding>(
 
         if (viewModel.questionId == -1) {
             viewModel.questionId = intent.getIntExtra(QUESTION_ID, -1)
-            if (viewModel.questionId in contentFilter.filteredQuestionIds) {
-                Toast.makeText(this, R.string.hide_post_hidden, Toast.LENGTH_LONG).show()
-                finish()
-            }
+            checkContentFilter()
         }
 
         if (viewModel.answerId == -1) {
@@ -104,6 +101,11 @@ class QuestionDetailActivity : BaseActivity<ActivityQuestionDetailBinding>(
         )
     }
 
+    override fun onResume() {
+        super.onResume()
+        checkContentFilter()
+    }
+
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
         outState.putBoolean(IS_IN_ANSWER_MODE, viewModel.isInAnswerMode)
@@ -169,6 +171,15 @@ class QuestionDetailActivity : BaseActivity<ActivityQuestionDetailBinding>(
         binding.postAnswerButton.hide()
     }
 
+    private fun checkContentFilter() {
+        val isQuestionIdHidden = viewModel.questionId in contentFilter.filteredQuestionIds
+        val isUserIdHidden = viewModel.question?.owner?.userId in contentFilter.filteredUserIds
+        if (isQuestionIdHidden || isUserIdHidden) {
+            Toast.makeText(this, R.string.hide_post_hidden, Toast.LENGTH_LONG).show()
+            finish()
+        }
+    }
+
     companion object {
         internal const val QUESTION_ID = "question_id"
         internal const val ANSWER_ID = "answer_id"

app/src/main/kotlin/me/tylerbwong/stack/ui/search/SearchViewModel.kt

@@ -36,7 +36,7 @@ class SearchViewModel @Inject constructor(
     internal val siteLiveData: LiveData<String>
         get() = siteStore.siteLiveData
 
-    internal val contentFilteredUpdated: LiveData<Unit>
+    internal val contentFilteredUpdated: LiveData<ContentFilter.ContentFilterData>
         get() = contentFilter.contentFilteredUpdated
 
     internal var searchPayload = SearchPayload.empty()