feat(creator): 커뮤니티 탭 화면을 구현한다

app/src/main/java/kr/co/vividnext/sodalive/explorer/profile/creator_community/all/player/CreatorCommunityMediaPlayerManager.kt

@@ -1,3 +1,5 @@
+@file:Suppress("ktlint:package-name", "ktlint:standard:package-name")
+
 package kr.co.vividnext.sodalive.explorer.profile.creator_community.all.player
 
 import android.content.Context
@@ -27,28 +29,36 @@ class CreatorCommunityMediaPlayerManager(
     private var mediaPlayer: MediaPlayer? = null
     private var currentPlayingContentId: Long? = null
     private var isPaused: Boolean = false
+    private var isPrepared: Boolean = false
 
     fun pauseContent() {
-        mediaPlayer?.pause()
+        if (isPrepared) {
+            mediaPlayer?.pause()
+        }
         isPaused = true
         updateUI()
     }
 
     private fun resumeContent() {
         pauseAudioContentService()
-        mediaPlayer?.start()
+        if (isPrepared) {
+            mediaPlayer?.start()
+        }
         isPaused = false
         updateUI()
     }
 
     fun stopContent() {
         mediaPlayer?.let {
-            it.stop()
+            if (isPrepared) {
+                it.stop()
+            }
             it.release()
             mediaPlayer = null
         }
         currentPlayingContentId = null
         isPaused = false
+        isPrepared = false
         updateUI()
     }
 
@@ -88,13 +98,15 @@ class CreatorCommunityMediaPlayerManager(
 
             try {
                 setDataSource(context, Uri.parse(creatorCommunityContentItem.url))
-                prepareAsync() // 비동기적으로 준비
                 setOnPreparedListener {
-                    start()
+                    isPrepared = true
+                    if (!isPaused) {
+                        start()
+                    }
                     updateUI() // 준비 완료 후 UI 업데이트
                 }
+                prepareAsync() // 비동기적으로 준비
             } catch (e: IOException) {
-                e.printStackTrace()
                 Toast.makeText(
                     context,
                     SodaLiveApplicationHolder.get()

app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/community/CreatorChannelCommunityFragment.kt

@@ -0,0 +1,230 @@
+package kr.co.vividnext.sodalive.v2.creator.channel.community
+
+import android.os.Bundle
+import android.view.View
+import android.widget.Toast
+import androidx.core.view.isVisible
+import androidx.core.view.updatePadding
+import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.LinearLayoutManager
+import kr.co.vividnext.sodalive.R
+import kr.co.vividnext.sodalive.base.BaseFragment
+import kr.co.vividnext.sodalive.databinding.FragmentCreatorChannelCommunityBinding
+import kr.co.vividnext.sodalive.explorer.profile.creator_community.all.player.CreatorCommunityContentItem
+import kr.co.vividnext.sodalive.explorer.profile.creator_community.all.player.CreatorCommunityMediaPlayerManager
+import kr.co.vividnext.sodalive.extensions.dpToPx
+import kr.co.vividnext.sodalive.extensions.moneyFormat
+import kr.co.vividnext.sodalive.v2.creator.channel.community.model.CreatorChannelCommunityPostUiModel
+import kr.co.vividnext.sodalive.v2.creator.channel.community.model.CreatorChannelCommunityViewMode
+import kr.co.vividnext.sodalive.v2.creator.channel.community.ui.CreatorChannelCommunityGridAdapter
+import kr.co.vividnext.sodalive.v2.creator.channel.community.ui.CreatorChannelCommunityListAdapter
+import org.koin.androidx.viewmodel.ext.android.viewModel
+
+class CreatorChannelCommunityFragment : BaseFragment<FragmentCreatorChannelCommunityBinding>(
+    FragmentCreatorChannelCommunityBinding::inflate
+) {
+
+    private val viewModel: CreatorChannelCommunityViewModel by viewModel()
+    private val listAdapter = CreatorChannelCommunityListAdapter(
+        onPlayClick = { item -> toggleCommunityAudio(item) },
+        onOwnerMoreClick = { item -> host.onCreatorChannelCommunityOwnerMoreClicked(item) },
+        isPlayingContent = { postId -> mediaPlayerManager?.isPlayingContent(postId) == true }
+    )
+    private val gridAdapter = CreatorChannelCommunityGridAdapter()
+    private var mediaPlayerManager: CreatorCommunityMediaPlayerManager? = null
+    private var currentContentState: CreatorChannelCommunityUiState.Content? = null
+    private var lastContentLayoutKey: CreatorChannelCommunityContentLayoutKey? = null
+    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)
+        mediaPlayerManager = CreatorCommunityMediaPlayerManager(requireContext()) { listAdapter.notifyDataSetChanged() }
+        bindLoading()
+        setupCommunityList()
+        setupClickListeners()
+        observeViewModel()
+    }
+
+    override fun onDestroyView() {
+        mediaPlayerManager?.stopContent()
+        mediaPlayerManager = null
+        currentContentState = null
+        lastContentLayoutKey = null
+        binding.rvCreatorChannelCommunity.adapter = null
+        super.onDestroyView()
+    }
+
+    override fun onPause() {
+        mediaPlayerManager?.pauseContent()
+        super.onPause()
+    }
+
+    private fun setupCommunityList() = with(binding.rvCreatorChannelCommunity) {
+        layoutManager = LinearLayoutManager(requireContext())
+        adapter = listAdapter
+    }
+
+    private fun setupClickListeners() = with(binding) {
+        layoutCreatorChannelCommunityViewModeButton.setOnClickListener {
+            viewModel.toggleViewMode()
+        }
+        btnCreatorChannelCommunityRetry.setOnClickListener {
+            viewModel.retryCommunity()
+        }
+    }
+
+    private fun observeViewModel() {
+        viewModel.communityStateLiveData.observe(viewLifecycleOwner) { state ->
+            when (state) {
+                CreatorChannelCommunityUiState.Loading -> bindLoading()
+                CreatorChannelCommunityUiState.Empty -> bindEmpty()
+                is CreatorChannelCommunityUiState.Error -> bindError(state)
+                is CreatorChannelCommunityUiState.Content -> bindContent(state)
+            }
+        }
+    }
+
+    fun onCreatorChannelCommunityTabSelected() {
+        if (creatorId > 0L) {
+            viewModel.loadCommunity(creatorId, isOwner = host.isCreatorChannelOwner())
+        }
+    }
+
+    fun onCreatorChannelCommunityScrolledToBottom() {
+        viewModel.loadMore()
+    }
+
+    fun onCreatorChannelCommunityOwnerCtaVisibilityChanged(isVisible: Boolean) {
+        applyOwnerCtaPadding(isVisible)
+    }
+
+    private fun bindLoading() = with(binding) {
+        currentContentState = null
+        lastContentLayoutKey = null
+        layoutCreatorChannelCommunitySortBar.isVisible = false
+        rvCreatorChannelCommunity.isVisible = false
+        layoutCreatorChannelCommunityEmpty.isVisible = false
+        tvCreatorChannelCommunityErrorMessage.isVisible = false
+        btnCreatorChannelCommunityRetry.isVisible = false
+    }
+
+    private fun bindEmpty() = with(binding) {
+        currentContentState = null
+        lastContentLayoutKey = null
+        layoutCreatorChannelCommunitySortBar.isVisible = false
+        rvCreatorChannelCommunity.isVisible = false
+        layoutCreatorChannelCommunityEmpty.isVisible = true
+        tvCreatorChannelCommunityErrorMessage.isVisible = false
+        btnCreatorChannelCommunityRetry.isVisible = false
+        host.onCreatorChannelCommunityContentChanged()
+    }
+
+    private fun bindError(state: CreatorChannelCommunityUiState.Error) = with(binding) {
+        currentContentState = null
+        lastContentLayoutKey = null
+        layoutCreatorChannelCommunitySortBar.isVisible = false
+        rvCreatorChannelCommunity.isVisible = false
+        layoutCreatorChannelCommunityEmpty.isVisible = false
+        tvCreatorChannelCommunityErrorMessage.isVisible = true
+        tvCreatorChannelCommunityErrorMessage.text = state.message ?: getString(R.string.creator_channel_community_error_message)
+        btnCreatorChannelCommunityRetry.isVisible = true
+        host.onCreatorChannelCommunityContentChanged()
+    }
+
+    private fun bindContent(state: CreatorChannelCommunityUiState.Content) = with(binding) {
+        currentContentState = state
+        layoutCreatorChannelCommunitySortBar.isVisible = true
+        tvCreatorChannelCommunityTotalCount.text = state.communityPostCount.moneyFormat()
+        tvCreatorChannelCommunityViewModeLabel.setText(state.viewMode.labelResId)
+        ivCreatorChannelCommunityViewMode.setImageResource(state.viewMode.iconResId)
+        rvCreatorChannelCommunity.isVisible = true
+        bindCommunityAdapter(state)
+        layoutCreatorChannelCommunityEmpty.isVisible = false
+        tvCreatorChannelCommunityErrorMessage.isVisible = false
+        btnCreatorChannelCommunityRetry.isVisible = false
+        notifyContentChangedIfLayoutChanged(state)
+        state.paginationErrorMessage?.let {
+            Toast.makeText(requireContext(), it, Toast.LENGTH_SHORT).show()
+            viewModel.consumePaginationErrorMessage()
+        }
+    }
+
+    private fun bindCommunityAdapter(state: CreatorChannelCommunityUiState.Content) = with(binding.rvCreatorChannelCommunity) {
+        when (state.viewMode) {
+            CreatorChannelCommunityViewMode.List -> {
+                if (adapter !== listAdapter) {
+                    layoutManager = LinearLayoutManager(requireContext())
+                    adapter = listAdapter
+                }
+                listAdapter.submitItems(state.communityPosts)
+            }
+            CreatorChannelCommunityViewMode.Grid -> {
+                if (adapter !== gridAdapter) {
+                    layoutManager = GridLayoutManager(requireContext(), 3)
+                    adapter = gridAdapter
+                }
+                gridAdapter.submitItems(state.communityPosts)
+            }
+        }
+    }
+
+    private fun notifyContentChangedIfLayoutChanged(state: CreatorChannelCommunityUiState.Content) {
+        val contentLayoutKey = state.toContentLayoutKey()
+        if (contentLayoutKey == lastContentLayoutKey) return
+
+        lastContentLayoutKey = contentLayoutKey
+        host.onCreatorChannelCommunityContentChanged()
+    }
+
+    private fun applyOwnerCtaPadding(isVisible: Boolean) = with(binding) {
+        val bottomPadding = if (isVisible) {
+            OWNER_CTA_LIST_BOTTOM_PADDING_DP.dpToPx().toInt()
+        } else {
+            DEFAULT_LIST_BOTTOM_PADDING_DP.dpToPx().toInt()
+        }
+        rvCreatorChannelCommunity.updatePadding(bottom = bottomPadding)
+        layoutCreatorChannelCommunityEmpty.updatePadding(bottom = bottomPadding)
+    }
+
+    private fun toggleCommunityAudio(item: CreatorChannelCommunityPostUiModel) {
+        val audioUrl = item.audioUrl ?: return
+        mediaPlayerManager?.toggleContent(CreatorCommunityContentItem(item.postId, audioUrl))
+    }
+
+    interface Host {
+        fun isCreatorChannelOwner(): Boolean
+        fun onCreatorChannelCommunityContentChanged()
+        fun onCreatorChannelCommunityOwnerMoreClicked(item: CreatorChannelCommunityPostUiModel) {
+            onCreatorChannelCommunityOwnerMoreClicked(item.postId)
+        }
+        fun onCreatorChannelCommunityOwnerMoreClicked(postId: Long)
+    }
+
+    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): CreatorChannelCommunityFragment {
+            return CreatorChannelCommunityFragment().apply {
+                arguments = Bundle().apply { putLong(ARG_CREATOR_ID, creatorId) }
+            }
+        }
+    }
+}
+
+private data class CreatorChannelCommunityContentLayoutKey(
+    val communityPostCount: Int,
+    val viewMode: CreatorChannelCommunityViewMode,
+    val communityPostIds: List<Long>
+)
+
+private fun CreatorChannelCommunityUiState.Content.toContentLayoutKey(): CreatorChannelCommunityContentLayoutKey {
+    return CreatorChannelCommunityContentLayoutKey(
+        communityPostCount = communityPostCount,
+        viewMode = viewMode,
+        communityPostIds = communityPosts.map { it.postId }
+    )
+}