feat(chat): DM 채팅방 Activity를 추가한다
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package kr.co.vividnext.sodalive.v2.main.chat.dm
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import android.content.Context
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import android.content.Intent
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import android.text.Editable
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import android.text.TextWatcher
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import android.view.View
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import android.view.inputmethod.EditorInfo
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import android.view.inputmethod.InputMethodManager
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import androidx.recyclerview.widget.SimpleItemAnimator
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import coil.transform.CircleCropTransformation
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import kr.co.vividnext.sodalive.R
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import kr.co.vividnext.sodalive.base.BaseActivity
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import kr.co.vividnext.sodalive.databinding.ActivityDmChatRoomBinding
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import kr.co.vividnext.sodalive.extensions.loadUrl
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import kr.co.vividnext.sodalive.v2.main.chat.dm.model.DmChatRoomUiState
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import kr.co.vividnext.sodalive.v2.main.chat.dm.ui.DmChatMessageAdapter
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import org.koin.androidx.viewmodel.ext.android.viewModel
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class DmChatRoomActivity : BaseActivity<ActivityDmChatRoomBinding>(
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ActivityDmChatRoomBinding::inflate
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) {
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private val viewModel: DmChatRoomViewModel by viewModel()
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private val messageAdapter = DmChatMessageAdapter { localId -> viewModel.retry(localId) }
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private lateinit var layoutManager: LinearLayoutManager
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private var roomId: Long = 0L
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private var creatorId: Long = 0L
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private var isStarted: Boolean = false
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private var firstVisiblePositionBeforePrepend: Int = RecyclerView.NO_POSITION
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private var firstVisibleTopBeforePrepend: Int = 0
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override fun setupView() {
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roomId = intent.getLongExtra(EXTRA_ROOM_ID, 0L)
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creatorId = intent.getLongExtra(EXTRA_CREATOR_ID, 0L)
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setupHeader()
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setupRecyclerView()
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setupInput()
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bindViewModel()
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viewModel.enter(roomId = roomId, creatorId = creatorId)
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}
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override fun onStart() {
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super.onStart()
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isStarted = true
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viewModel.connectRealtime()
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}
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override fun onStop() {
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isStarted = false
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viewModel.disconnectRealtime()
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super.onStop()
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}
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private fun setupHeader() {
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binding.ivBack.setOnClickListener { finish() }
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binding.ivProfile.setImageResource(R.drawable.ic_placeholder_profile)
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binding.ivBackgroundProfile.setImageResource(R.drawable.ic_placeholder_profile)
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}
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private fun setupRecyclerView() {
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layoutManager = LinearLayoutManager(this).apply {
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stackFromEnd = true
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}
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binding.rvMessages.layoutManager = layoutManager
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binding.rvMessages.adapter = messageAdapter
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(binding.rvMessages.itemAnimator as? SimpleItemAnimator)?.supportsChangeAnimations = false
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binding.rvMessages.addOnScrollListener(object : RecyclerView.OnScrollListener() {
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override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
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super.onScrolled(recyclerView, dx, dy)
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if (layoutManager.findFirstVisibleItemPosition() == 0) {
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rememberScrollBeforePrepend()
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viewModel.loadOlderMessages()
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}
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}
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})
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}
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private fun setupInput() {
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setSendButtonEnabled(false)
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binding.etMessage.addTextChangedListener(object : TextWatcher {
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override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) = Unit
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override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
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setSendButtonEnabled(!s.isNullOrBlank())
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}
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override fun afterTextChanged(s: Editable?) = Unit
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})
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binding.etMessage.setOnEditorActionListener { _, actionId, _ ->
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if (actionId == EditorInfo.IME_ACTION_SEND) {
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if (binding.ivSend.isEnabled) binding.ivSend.performClick()
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true
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} else {
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false
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}
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}
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binding.ivSend.setOnClickListener { onSendClicked() }
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}
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private fun bindViewModel() {
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viewModel.chatRoomStateLiveData.observe(this) { state ->
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when (state) {
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is DmChatRoomUiState.Content -> bindContent(state)
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is DmChatRoomUiState.Error -> showToast(state.message.orEmpty())
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DmChatRoomUiState.Loading -> Unit
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}
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}
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viewModel.finishEventLiveData.observe(this) {
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if (it == true) finish()
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}
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viewModel.prependedMessageCountLiveData.observe(this) { count ->
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if (count > 0) restoreScrollAfterPrepend(count)
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}
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viewModel.roomOpenedEventLiveData.observe(this) {
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if (it.consume() == true) connectRealtimeIfStarted()
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}
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}
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private fun bindContent(state: DmChatRoomUiState.Content) {
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val shouldScrollToBottom = isNearBottom()
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binding.tvName.text = state.opponentNickname
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binding.ivProfile.loadUrl(state.opponentProfileImageUrl) {
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placeholder(R.drawable.ic_placeholder_profile)
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error(R.drawable.ic_placeholder_profile)
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transformations(CircleCropTransformation())
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}
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binding.ivBackgroundProfile.loadUrl(state.opponentProfileImageUrl) {
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placeholder(R.drawable.ic_placeholder_profile)
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error(R.drawable.ic_placeholder_profile)
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}
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messageAdapter.submitItems(state.messages)
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if (shouldScrollToBottom && state.messages.isNotEmpty()) {
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binding.rvMessages.scrollToPosition(state.messages.lastIndex)
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}
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}
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private fun onSendClicked() {
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val text = binding.etMessage.text?.toString().orEmpty()
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if (text.isBlank()) return
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viewModel.sendText(text)
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binding.etMessage.setText("")
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setSendButtonEnabled(false)
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hideKeyboard(binding.etMessage)
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}
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private fun setSendButtonEnabled(enabled: Boolean) {
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binding.ivSend.isEnabled = enabled
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binding.ivSend.alpha = if (enabled) 1.0f else 0.4f
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}
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private fun rememberScrollBeforePrepend() {
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firstVisiblePositionBeforePrepend = layoutManager.findFirstVisibleItemPosition()
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val firstVisibleView = layoutManager.findViewByPosition(firstVisiblePositionBeforePrepend)
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firstVisibleTopBeforePrepend = firstVisibleView?.top ?: 0
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}
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private fun restoreScrollAfterPrepend(count: Int) {
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if (firstVisiblePositionBeforePrepend == RecyclerView.NO_POSITION) return
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layoutManager.scrollToPositionWithOffset(
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firstVisiblePositionBeforePrepend + count,
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firstVisibleTopBeforePrepend
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)
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firstVisiblePositionBeforePrepend = RecyclerView.NO_POSITION
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firstVisibleTopBeforePrepend = 0
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}
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private fun isNearBottom(): Boolean {
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val itemCount = messageAdapter.itemCount
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if (itemCount == 0) return true
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val lastVisible = layoutManager.findLastVisibleItemPosition()
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return lastVisible >= itemCount - NEAR_BOTTOM_THRESHOLD
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}
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private fun connectRealtimeIfStarted() {
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if (!isStarted) return
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viewModel.connectRealtime()
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}
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private fun hideKeyboard(view: View) {
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val imm = getSystemService(INPUT_METHOD_SERVICE) as? InputMethodManager
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imm?.hideSoftInputFromWindow(view.windowToken, 0)
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view.clearFocus()
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}
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companion object {
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const val EXTRA_ROOM_ID: String = "extra_room_id"
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const val EXTRA_CREATOR_ID: String = "extra_creator_id"
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private const val NEAR_BOTTOM_THRESHOLD = 2
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fun newIntentByRoomId(context: Context, roomId: Long): Intent {
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return Intent(context, DmChatRoomActivity::class.java).apply {
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putExtra(EXTRA_ROOM_ID, roomId)
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}
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}
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fun newIntentByCreatorId(context: Context, creatorId: Long): Intent {
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return Intent(context, DmChatRoomActivity::class.java).apply {
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putExtra(EXTRA_CREATOR_ID, creatorId)
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}
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}
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}
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}
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@@ -0,0 +1,61 @@
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package kr.co.vividnext.sodalive.v2.main.chat.dm
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import org.junit.Assert.assertFalse
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import org.junit.Assert.assertTrue
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import org.junit.Test
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import java.io.File
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class DmChatRoomActivitySourceTest {
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@Test
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fun `DM 채팅방 Activity source는 intent binding input pagination scroll lifecycle을 연결한다`() {
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val source = projectFile(
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"app/src/main/java/kr/co/vividnext/sodalive/v2/main/chat/dm/DmChatRoomActivity.kt"
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).readText()
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assertTrue(source.contains("BaseActivity<ActivityDmChatRoomBinding>"))
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assertTrue(source.contains("const val EXTRA_ROOM_ID"))
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assertTrue(source.contains("const val EXTRA_CREATOR_ID"))
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assertTrue(source.contains("fun newIntentByRoomId"))
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assertTrue(source.contains("fun newIntentByCreatorId"))
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assertTrue(source.contains("private val viewModel: DmChatRoomViewModel by viewModel()"))
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assertTrue(source.contains("viewModel.enter(roomId = roomId, creatorId = creatorId)"))
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assertTrue(source.contains("binding.ivBack.setOnClickListener { finish() }"))
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assertTrue(source.contains("DmChatMessageAdapter"))
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assertTrue(source.contains("binding.etMessage.setOnEditorActionListener"))
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assertTrue(source.contains("EditorInfo.IME_ACTION_SEND"))
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assertTrue(source.contains("binding.ivSend.setOnClickListener"))
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assertTrue(source.contains("viewModel.sendText"))
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assertTrue(source.contains("findFirstVisibleItemPosition()"))
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assertTrue(source.contains("viewModel.loadOlderMessages()"))
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assertTrue(source.contains("prependedMessageCountLiveData.observe(this)"))
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assertTrue(source.contains("scrollToPositionWithOffset"))
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assertTrue(source.contains("isNearBottom()"))
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assertTrue(source.contains("private var isStarted: Boolean = false"))
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assertTrue(source.contains("viewModel.connectRealtime()"))
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assertTrue(source.contains("roomOpenedEventLiveData.observe(this)"))
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assertTrue(source.contains("if (it.consume() == true) connectRealtimeIfStarted()"))
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assertTrue(source.contains("connectRealtimeIfStarted()"))
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assertTrue(source.contains("viewModel.disconnectRealtime()"))
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assertFalse(source.contains("if (isStarted) viewModel.connectRealtime()"))
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assertTrue(!source.contains("character_type_badge"))
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assertTrue(!source.contains("notice_container"))
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}
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@Test
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fun `DM 채팅방 Activity intent helper는 roomId와 creatorId를 각각 전달한다`() {
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val source = projectFile(
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"app/src/main/java/kr/co/vividnext/sodalive/v2/main/chat/dm/DmChatRoomActivity.kt"
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).readText()
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assertTrue(source.contains("Intent(context, DmChatRoomActivity::class.java)"))
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assertTrue(source.contains("putExtra(EXTRA_ROOM_ID, roomId)"))
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assertTrue(source.contains("putExtra(EXTRA_CREATOR_ID, creatorId)"))
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}
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private fun projectFile(relativePath: String): File {
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val candidates = listOf(File(relativePath), File("../$relativePath"))
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return candidates.firstOrNull { it.exists() }
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?: error("Project file not found: $relativePath")
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}
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}
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