feat(creator): 오디오 탭 콘텐츠 UI를 연결한다

app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/audio/CreatorChannelAudioFragment.kt

@@ -5,14 +5,19 @@ import android.text.SpannableString
 import android.text.Spanned
 import android.text.style.ForegroundColorSpan
 import android.view.View
+import android.widget.Toast
 import androidx.core.content.ContextCompat
 import androidx.core.view.isVisible
+import androidx.core.view.updatePadding
 import androidx.recyclerview.widget.LinearLayoutManager
 import kr.co.vividnext.sodalive.R
 import kr.co.vividnext.sodalive.base.BaseFragment
 import kr.co.vividnext.sodalive.databinding.FragmentCreatorChannelAudioBinding
+import kr.co.vividnext.sodalive.extensions.dpToPx
 import kr.co.vividnext.sodalive.extensions.moneyFormat
 import kr.co.vividnext.sodalive.v2.creator.channel.audio.model.CreatorChannelAudioRateUiModel
+import kr.co.vividnext.sodalive.v2.creator.channel.ui.CreatorChannelAudioContentAdapter
+import kr.co.vividnext.sodalive.v2.creator.channel.ui.CreatorChannelSortPopup
 import kr.co.vividnext.sodalive.v2.creator.channel.model.toLabelResId
 import org.koin.androidx.viewmodel.ext.android.viewModel
 
@@ -21,7 +26,16 @@ class CreatorChannelAudioFragment : BaseFragment<FragmentCreatorChannelAudioBind
 ) {
 
     private val viewModel: CreatorChannelAudioViewModel by viewModel()
+    private val audioContentAdapter = CreatorChannelAudioContentAdapter { item ->
+        host.onCreatorChannelAudioContentClicked(item.audioContentId)
+    }
+    private var sortPopup: CreatorChannelSortPopup? = null
+    private var currentContentState: CreatorChannelAudioUiState.Content? = null
+    private var lastContentLayoutKey: CreatorChannelAudioContentLayoutKey? = null
+    private var emptyMinHeight: Int = 0
     private val creatorId: Long by lazy { arguments?.getLong(ARG_CREATOR_ID) ?: 0L }
+    private val host: Host
+        get() = requireActivity() as Host
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
@@ -29,22 +43,32 @@ class CreatorChannelAudioFragment : BaseFragment<FragmentCreatorChannelAudioBind
         setupAudioList()
         setupClickListeners()
         observeViewModel()
-        if (creatorId > 0L) {
-            viewModel.loadAudio(creatorId, isOwner = false)
-        }
     }
 
     override fun onDestroyView() {
+        sortPopup?.dismiss()
+        sortPopup = null
+        currentContentState = null
+        lastContentLayoutKey = null
         binding.rvCreatorChannelAudioContents.adapter = null
         super.onDestroyView()
     }
 
     private fun setupAudioList() = with(binding.rvCreatorChannelAudioContents) {
         layoutManager = LinearLayoutManager(requireContext())
+        adapter = audioContentAdapter
     }
 
     private fun setupClickListeners() = with(binding) {
         ivCreatorChannelAudioSort.setImageResource(R.drawable.ic_new_sort)
+        layoutCreatorChannelAudioSortButton.setOnClickListener {
+            currentContentState?.let { state -> showSortPopup(state) }
+        }
+        viewCreatorChannelAudioThemeTabs.root.setOnTabSelectedListener { index ->
+            currentContentState?.themes?.getOrNull(index)?.let { theme ->
+                viewModel.changeTheme(theme.themeId)
+            }
+        }
         btnCreatorChannelAudioRetry.setOnClickListener {
             viewModel.retryAudio()
         }
@@ -61,7 +85,38 @@ class CreatorChannelAudioFragment : BaseFragment<FragmentCreatorChannelAudioBind
         }
     }
 
+    fun onCreatorChannelAudioTabSelected() {
+        if (creatorId > 0L) {
+            viewModel.loadAudio(creatorId, isOwner = host.isCreatorChannelOwner())
+        }
+    }
+
+    fun onCreatorChannelAudioScrolledToBottom() {
+        viewModel.loadMore()
+    }
+
+    fun onCreatorChannelAudioViewportHeightChanged(minHeight: Int) {
+        emptyMinHeight = minHeight.coerceAtLeast(0)
+        applyEmptyMinHeight()
+    }
+
+    fun onCreatorChannelAudioOwnerCtaVisibilityChanged(isVisible: Boolean) = with(binding) {
+        val bottomPadding = if (isVisible) {
+            OWNER_CTA_LIST_BOTTOM_PADDING_DP.dpToPx().toInt()
+        } else {
+            DEFAULT_LIST_BOTTOM_PADDING_DP.dpToPx().toInt()
+        }
+        rvCreatorChannelAudioContents.updatePadding(bottom = bottomPadding)
+        layoutCreatorChannelAudioEmpty.updatePadding(bottom = bottomPadding)
+    }
+
+    private fun applyEmptyMinHeight() = with(binding) {
+        layoutCreatorChannelAudioEmpty.minimumHeight = emptyMinHeight
+    }
+
     private fun bindLoading() = with(binding) {
+        currentContentState = null
+        lastContentLayoutKey = null
         viewCreatorChannelAudioThemeTabs.root.isVisible = false
         layoutCreatorChannelAudioSortBar.isVisible = false
         layoutCreatorChannelAudioRateCard.isVisible = false
@@ -72,16 +127,22 @@ class CreatorChannelAudioFragment : BaseFragment<FragmentCreatorChannelAudioBind
     }
 
     private fun bindEmpty() = with(binding) {
+        currentContentState = null
+        lastContentLayoutKey = null
         viewCreatorChannelAudioThemeTabs.root.isVisible = false
         layoutCreatorChannelAudioSortBar.isVisible = false
         layoutCreatorChannelAudioRateCard.isVisible = false
         rvCreatorChannelAudioContents.isVisible = false
         layoutCreatorChannelAudioEmpty.isVisible = true
+        applyEmptyMinHeight()
         tvCreatorChannelAudioErrorMessage.isVisible = false
         btnCreatorChannelAudioRetry.isVisible = false
+        host.onCreatorChannelAudioContentChanged()
     }
 
     private fun bindError(state: CreatorChannelAudioUiState.Error) = with(binding) {
+        currentContentState = null
+        lastContentLayoutKey = null
         viewCreatorChannelAudioThemeTabs.root.isVisible = false
         layoutCreatorChannelAudioSortBar.isVisible = false
         layoutCreatorChannelAudioRateCard.isVisible = false
@@ -90,9 +151,11 @@ class CreatorChannelAudioFragment : BaseFragment<FragmentCreatorChannelAudioBind
         tvCreatorChannelAudioErrorMessage.isVisible = true
         tvCreatorChannelAudioErrorMessage.text = state.message ?: getString(R.string.creator_channel_audio_error_message)
         btnCreatorChannelAudioRetry.isVisible = true
+        host.onCreatorChannelAudioContentChanged()
     }
 
     private fun bindContent(state: CreatorChannelAudioUiState.Content) = with(binding) {
+        currentContentState = state
         viewCreatorChannelAudioThemeTabs.root.isVisible = true
         viewCreatorChannelAudioThemeTabs.root.setMenus(
             menus = state.themes.map { it.title },
@@ -103,9 +166,32 @@ class CreatorChannelAudioFragment : BaseFragment<FragmentCreatorChannelAudioBind
         tvCreatorChannelAudioSortLabel.setText(state.selectedSort.toLabelResId())
         bindRate(state.rate)
         rvCreatorChannelAudioContents.isVisible = true
+        audioContentAdapter.submitItems(state.audioContents)
         layoutCreatorChannelAudioEmpty.isVisible = false
         tvCreatorChannelAudioErrorMessage.isVisible = false
         btnCreatorChannelAudioRetry.isVisible = false
+        notifyContentChangedIfLayoutChanged(state)
+        state.paginationErrorMessage?.let {
+            Toast.makeText(requireContext(), it, Toast.LENGTH_SHORT).show()
+            viewModel.consumePaginationErrorMessage()
+        }
+    }
+
+    private fun notifyContentChangedIfLayoutChanged(state: CreatorChannelAudioUiState.Content) {
+        val contentLayoutKey = state.toContentLayoutKey()
+        if (contentLayoutKey == lastContentLayoutKey) return
+
+        lastContentLayoutKey = contentLayoutKey
+        host.onCreatorChannelAudioContentChanged()
+    }
+
+    private fun showSortPopup(state: CreatorChannelAudioUiState.Content) {
+        sortPopup?.dismiss()
+        sortPopup = CreatorChannelSortPopup(
+            anchor = binding.layoutCreatorChannelAudioSortButton,
+            selectedSort = state.selectedSort,
+            onSortSelected = { sort -> viewModel.changeSort(sort) }
+        ).also { it.show() }
     }
 
     private fun bindRate(rate: CreatorChannelAudioRateUiModel?) = with(binding) {
@@ -142,8 +228,16 @@ class CreatorChannelAudioFragment : BaseFragment<FragmentCreatorChannelAudioBind
         return spannable
     }
 
+    interface Host {
+        fun isCreatorChannelOwner(): Boolean
+        fun onCreatorChannelAudioContentClicked(audioContentId: Long)
+        fun onCreatorChannelAudioContentChanged()
+    }
+
     companion object {
         private const val ARG_CREATOR_ID: String = "arg_creator_id"
+        private const val DEFAULT_LIST_BOTTOM_PADDING_DP = 32
+        private const val OWNER_CTA_LIST_BOTTOM_PADDING_DP = 132
 
         fun newInstance(creatorId: Long): CreatorChannelAudioFragment {
             return CreatorChannelAudioFragment().apply {
@@ -152,3 +246,17 @@ class CreatorChannelAudioFragment : BaseFragment<FragmentCreatorChannelAudioBind
         }
     }
 }
+
+private data class CreatorChannelAudioContentLayoutKey(
+    val audioContentCount: Int,
+    val selectedThemeId: Long?,
+    val audioContentIds: List<Long>
+)
+
+private fun CreatorChannelAudioUiState.Content.toContentLayoutKey(): CreatorChannelAudioContentLayoutKey {
+    return CreatorChannelAudioContentLayoutKey(
+        audioContentCount = audioContentCount,
+        selectedThemeId = selectedThemeId,
+        audioContentIds = audioContents.map { it.audioContentId }
+    )
+}