feat(home): 랭킹 탭 목록을 연결한다

app/src/main/java/kr/co/vividnext/sodalive/v2/main/HomeMainFragment.kt

@@ -16,6 +16,7 @@ import kr.co.vividnext.sodalive.databinding.FragmentV2MainHomeBinding
 import kr.co.vividnext.sodalive.databinding.ViewSectionTitleBinding
 import kr.co.vividnext.sodalive.explorer.profile.UserProfileActivity
 import kr.co.vividnext.sodalive.explorer.profile.creator_community.all.CreatorCommunityAllActivity
+import kr.co.vividnext.sodalive.v2.main.home.HomeCreatorRankingViewModel
 import kr.co.vividnext.sodalive.v2.main.home.HomeRecommendationViewModel
 import kr.co.vividnext.sodalive.v2.main.home.model.HomeRecommendationAiCharacterSection
 import kr.co.vividnext.sodalive.v2.main.home.model.HomeRecommendationBannerSection
@@ -32,6 +33,7 @@ import kr.co.vividnext.sodalive.v2.main.home.model.HomeRecommendationPopularComm
 import kr.co.vividnext.sodalive.v2.main.home.model.HomeRecommendationRecentlyActiveCreatorSection
 import kr.co.vividnext.sodalive.v2.main.home.model.HomeRecommendationRecentlyActiveCreatorUiModel
 import kr.co.vividnext.sodalive.v2.main.home.model.HomeRecommendationRecentDebutCreatorSection
+import kr.co.vividnext.sodalive.v2.main.home.model.HomeCreatorRankingUiState
 import kr.co.vividnext.sodalive.v2.main.home.model.HomeRecommendationUiState
 import kr.co.vividnext.sodalive.v2.main.home.model.toHomeRecommendationBannerIntent
 import kr.co.vividnext.sodalive.v2.main.home.model.toHomeRecommendationBannerRoute
@@ -48,6 +50,8 @@ import kr.co.vividnext.sodalive.v2.main.home.ui.HomeLiveAdapter
 import kr.co.vividnext.sodalive.v2.main.home.ui.HomePopularCommunityAdapter
 import kr.co.vividnext.sodalive.v2.main.home.ui.HomeRecentActivityCreatorAdapter
 import kr.co.vividnext.sodalive.v2.main.home.ui.HomeRecentDebutCreatorAdapter
+import kr.co.vividnext.sodalive.v2.widget.creatorranking.CreatorRankingAdapter
+import kr.co.vividnext.sodalive.v2.widget.creatorranking.CreatorRankingItem
 import kr.co.vividnext.sodalive.v2.widget.feed.FeedItem
 import org.koin.androidx.viewmodel.ext.android.viewModel
 
@@ -55,6 +59,7 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
     FragmentV2MainHomeBinding::inflate
 ) {
     private val homeRecommendationViewModel: HomeRecommendationViewModel by viewModel()
+    private val homeCreatorRankingViewModel: HomeCreatorRankingViewModel by viewModel()
     private val loadingDialog: LoadingDialog by lazy { LoadingDialog(requireActivity(), layoutInflater) }
     private val liveAdapter = HomeLiveAdapter()
     private val recentActivityCreatorAdapter = HomeRecentActivityCreatorAdapter { onRecentActivityClick(it) }
@@ -70,9 +75,11 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
         onCreatorClick = { creator -> openCreatorProfile(creator.creatorId) }
     )
     private val popularCommunityAdapter = HomePopularCommunityAdapter { openPopularCommunityPost(it) }
+    private val creatorRankingAdapter = CreatorRankingAdapter { openCreatorRankingProfile(it) }
     private var bannerBinder: HomeBannerBinder? = null
     private var onGenreFollowAllClick: (List<Long>) -> Unit = {}
     private var onCheerFollowAllClick: (List<Long>) -> Unit = {}
+    private var hasLoadedCreatorRankings = false
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
@@ -84,11 +91,15 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
             ),
             selectedIndex = 0
         )
-        binding.textTabBarHome.root.setOnTabSelectedListener { }
+        binding.textTabBarHome.root.setOnTabSelectedListener { index ->
+            showHomeTab(index)
+        }
         setUpSectionTitles()
         setUpRecommendationAdapters()
+        setUpCreatorRankingAdapter()
         setUpBusinessInfo()
         bindHomeRecommendationObservers()
+        bindHomeCreatorRankingObservers()
         homeRecommendationViewModel.loadRecommendations()
     }
 
@@ -141,6 +152,52 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
         }
     }
 
+    private fun setUpCreatorRankingAdapter() {
+        binding.rvHomeCreatorRankings.apply {
+            layoutManager = CreatorRankingAdapter.createGridLayoutManager(requireContext())
+            adapter = creatorRankingAdapter
+        }
+    }
+
+    private fun bindHomeCreatorRankingObservers() {
+        homeCreatorRankingViewModel.rankingStateLiveData.observe(viewLifecycleOwner) { state ->
+            when (state) {
+                is HomeCreatorRankingUiState.Content -> creatorRankingAdapter.submitItems(state.items)
+                HomeCreatorRankingUiState.Empty,
+                is HomeCreatorRankingUiState.Error -> creatorRankingAdapter.submitItems(emptyList())
+                HomeCreatorRankingUiState.Loading -> Unit
+            }
+        }
+        homeCreatorRankingViewModel.isLoading.observe(viewLifecycleOwner) { isLoading ->
+            if (isLoading) {
+                loadingDialog.show(screenWidth)
+            } else {
+                loadingDialog.dismiss()
+            }
+        }
+        homeCreatorRankingViewModel.toastLiveData.observe(viewLifecycleOwner) { toastMessage ->
+            toastMessage?.let(::showToast)
+        }
+    }
+
+    private fun showHomeTab(index: Int) {
+        when (index) {
+            HOME_TAB_RECOMMENDATION -> {
+                binding.nsvHomeRecommendationContent.visibility = View.VISIBLE
+                binding.rvHomeCreatorRankings.visibility = View.GONE
+            }
+            HOME_TAB_RANKING -> {
+                binding.nsvHomeRecommendationContent.visibility = View.GONE
+                binding.rvHomeCreatorRankings.visibility = View.VISIBLE
+                if (!hasLoadedCreatorRankings) {
+                    hasLoadedCreatorRankings = true
+                    homeCreatorRankingViewModel.loadCreatorRankings()
+                }
+            }
+            HOME_TAB_FOLLOWING -> Unit
+        }
+    }
+
     private fun bindHomeRecommendationObservers() {
         homeRecommendationViewModel.recommendationStateLiveData.observe(viewLifecycleOwner) { state ->
             when (state) {
@@ -280,6 +337,11 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
         startActivity(route.toHomeRecommendationRecentlyActiveCreatorIntent(requireContext()))
     }
 
+    private fun openCreatorRankingProfile(item: CreatorRankingItem) {
+        if (item.creatorId <= 0L) return
+        openCreatorProfile(item.creatorId)
+    }
+
     private fun openCreatorProfile(creatorId: Long) {
         startActivity(
             Intent(requireContext(), UserProfileActivity::class.java).apply {
@@ -351,6 +413,9 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
     private fun List<*>.toSectionVisibility(): Int = if (isEmpty()) View.GONE else View.VISIBLE
 
     private companion object {
+        const val HOME_TAB_RECOMMENDATION = 0
+        const val HOME_TAB_RANKING = 1
+        const val HOME_TAB_FOLLOWING = 2
         const val SECTION_KEY_CHEER_CREATORS = "cheerCreators"
         const val SECTION_KEY_GENRE_CREATORS = "genreCreators"
     }

app/src/main/res/layout/fragment_v2_main_home.xml

@@ -238,4 +238,19 @@
             </LinearLayout>
         </LinearLayout>
     </androidx.core.widget.NestedScrollView>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rv_home_creator_rankings"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:clipToPadding="false"
+        android:paddingHorizontal="@dimen/spacing_14"
+        android:paddingTop="@dimen/spacing_14"
+        android:paddingBottom="@dimen/spacing_28"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/text_tab_bar_home"
+        tools:listitem="@layout/view_creator_ranking_horizontal_card" />
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/test/java/kr/co/vividnext/sodalive/v2/main/home/HomeMainFragmentLayoutTest.kt

@@ -697,6 +697,38 @@ class HomeMainFragmentLayoutTest {
         assertEquals(expectedFreeTag.paddingStart, freeTag.paddingStart)
     }
 
+    @Test
+    fun `home ranking layout contains ranking list below text tab bar`() {
+        val root = inflateView(R.layout.fragment_v2_main_home)
+        val rankingList = root.findViewById<RecyclerView>(R.id.rv_home_creator_rankings)
+        val layoutParams = rankingList.layoutParams as ConstraintLayout.LayoutParams
+
+        assertNotNull(rankingList)
+        assertSame(root, rankingList.parent)
+        assertEquals(0, layoutParams.width)
+        assertEquals(0, layoutParams.height)
+        assertEquals(R.id.text_tab_bar_home, layoutParams.topToBottom)
+        assertEquals(ConstraintLayout.LayoutParams.PARENT_ID, layoutParams.startToStart)
+        assertEquals(ConstraintLayout.LayoutParams.PARENT_ID, layoutParams.endToEnd)
+        assertEquals(ConstraintLayout.LayoutParams.PARENT_ID, layoutParams.bottomToBottom)
+        assertEquals(View.GONE, rankingList.visibility)
+        assertEquals(false, rankingList.clipToPadding)
+        assertEquals(14.dpToPx(), rankingList.paddingStart)
+        assertEquals(14.dpToPx(), rankingList.paddingTop)
+        assertEquals(28.dpToPx(), rankingList.paddingBottom)
+    }
+
+    @Test
+    fun `home ranking layout does not add capsule tab bar`() {
+        val root = inflateView(R.layout.fragment_v2_main_home)
+        val layoutSource = homeMainLayoutSource()
+
+        assertFalse(root.containsClassName("kr.co.vividnext.sodalive.v2.widget.CapsuleTabBarView"))
+        assertFalse(layoutSource.contains("view_capsule_tab_bar"))
+        assertFalse(layoutSource.contains("hsv_capsule_tab_bar"))
+        assertFalse(layoutSource.contains("ll_capsule_tab_container"))
+    }
+
     @Test
     fun `popular community section is hidden until phase7 binding is implemented`() {
         val root = inflateView(R.layout.fragment_v2_main_home)
@@ -1264,6 +1296,63 @@ class HomeMainFragmentLayoutTest {
         }
     }
 
+    @Test
+    fun `home ranking fragment wires adapter and grid layout manager`() {
+        val source = homeMainFragmentSource()
+
+        assertTrue(source.contains("HomeCreatorRankingViewModel"))
+        assertTrue(source.contains("CreatorRankingAdapter { openCreatorRankingProfile(it) }"))
+        assertTrue(source.contains("binding.rvHomeCreatorRankings.apply"))
+        assertTrue(source.contains("layoutManager = CreatorRankingAdapter.createGridLayoutManager(requireContext())"))
+        assertTrue(source.contains("adapter = creatorRankingAdapter"))
+    }
+
+    @Test
+    fun `home ranking fragment switches recommendation and ranking content by tab`() {
+        val source = homeMainFragmentSource()
+
+        assertTrue(source.contains("HOME_TAB_RECOMMENDATION = 0"))
+        assertTrue(source.contains("HOME_TAB_RANKING = 1"))
+        assertTrue(source.contains("HOME_TAB_FOLLOWING = 2"))
+        assertTrue(source.contains("binding.textTabBarHome.root.setOnTabSelectedListener { index ->"))
+        assertTrue(source.contains("showHomeTab(index)"))
+        assertTrue(source.contains("binding.nsvHomeRecommendationContent.visibility = View.GONE"))
+        assertTrue(source.contains("binding.rvHomeCreatorRankings.visibility = View.VISIBLE"))
+        assertTrue(source.contains("binding.nsvHomeRecommendationContent.visibility = View.VISIBLE"))
+        assertTrue(source.contains("binding.rvHomeCreatorRankings.visibility = View.GONE"))
+    }
+
+    @Test
+    fun `home ranking fragment loads rankings once on first ranking selection`() {
+        val source = homeMainFragmentSource()
+
+        assertTrue(source.contains("private var hasLoadedCreatorRankings = false"))
+        assertTrue(source.contains("if (!hasLoadedCreatorRankings)"))
+        assertTrue(source.contains("hasLoadedCreatorRankings = true"))
+        assertTrue(source.contains("homeCreatorRankingViewModel.loadCreatorRankings()"))
+    }
+
+    @Test
+    fun `home ranking fragment observes ranking state and submits items`() {
+        val source = homeMainFragmentSource()
+
+        assertTrue(source.contains("rankingStateLiveData.observe(viewLifecycleOwner)"))
+        assertTrue(source.contains("is HomeCreatorRankingUiState.Content -> creatorRankingAdapter.submitItems(state.items)"))
+        assertTrue(source.contains("HomeCreatorRankingUiState.Empty,"))
+        assertTrue(source.contains("is HomeCreatorRankingUiState.Error -> creatorRankingAdapter.submitItems(emptyList())"))
+        assertTrue(source.contains("HomeCreatorRankingUiState.Loading -> Unit"))
+    }
+
+    @Test
+    fun `home ranking fragment opens profile only for touchable creator`() {
+        val source = homeMainFragmentSource()
+
+        assertTrue(source.contains("private fun openCreatorRankingProfile(item: CreatorRankingItem)"))
+        assertTrue(source.contains("if (item.creatorId <= 0L) return"))
+        assertTrue(source.contains("openCreatorProfile(item.creatorId)"))
+        assertFalse(source.contains("EXTRA_USER_ID, 0L"))
+    }
+
     @Test
     fun `home main fragment phase9 replaces sample content with viewmodel state binding`() {
         val source = homeMainFragmentSource()
@@ -1321,6 +1410,14 @@ class HomeMainFragmentLayoutTest {
         ).readText()
     }
 
+    private fun homeMainLayoutSource(): String {
+        val projectRoot = java.io.File("..").canonicalFile
+        return java.io.File(
+            projectRoot,
+            "app/src/main/res/layout/fragment_v2_main_home.xml"
+        ).readText()
+    }
+
     private fun homeRecommendationViewModelSource(): String {
         val projectRoot = java.io.File("..").canonicalFile
         return java.io.File(