feat(chat): 채팅방 목록 Adapter를 추가한다

2026-06-10 13:25:41 +09:00
parent 5574e68b16
commit 346671b3e2
2 changed files with 233 additions and 0 deletions
--- a/app/src/main/java/kr/co/vividnext/sodalive/v2/main/chat/ui/ChatRoomListAdapter.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/v2/main/chat/ui/ChatRoomListAdapter.kt
@@ -0,0 +1,86 @@
+package kr.co.vividnext.sodalive.v2.main.chat.ui
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.RecyclerView
+import coil.transform.CircleCropTransformation
+import coil.transform.Transformation
+import kr.co.vividnext.sodalive.R
+import kr.co.vividnext.sodalive.extensions.loadUrl
+import kr.co.vividnext.sodalive.v2.main.chat.model.ChatRoomListUiItem
+import kr.co.vividnext.sodalive.v2.main.chat.model.formatChatRoomLastMessageTime
+
+class ChatRoomListAdapter(
+    private val onItemClick: (ChatRoomListUiItem) -> Unit
+) : RecyclerView.Adapter<ChatRoomListAdapter.ChatRoomViewHolder>() {
+
+    companion object {
+        fun profileImageTransformations(): List<Transformation> = listOf(CircleCropTransformation())
+    }
+
+    private var items: List<ChatRoomListUiItem> = emptyList()
+
+    fun submitItems(newItems: List<ChatRoomListUiItem>) {
+        val diffResult = DiffUtil.calculateDiff(ChatRoomDiffCallback(items, newItems))
+        items = newItems
+        diffResult.dispatchUpdatesTo(this)
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ChatRoomViewHolder {
+        val view = LayoutInflater.from(parent.context)
+            .inflate(R.layout.item_v2_chat_room, parent, false)
+        return ChatRoomViewHolder(view, onItemClick)
+    }
+
+    override fun onBindViewHolder(holder: ChatRoomViewHolder, position: Int) {
+        holder.bind(items[position])
+    }
+
+    override fun getItemCount(): Int = items.size
+
+    private class ChatRoomDiffCallback(
+        private val oldList: List<ChatRoomListUiItem>,
+        private val newList: List<ChatRoomListUiItem>
+    ) : DiffUtil.Callback() {
+        override fun getOldListSize(): Int = oldList.size
+        override fun getNewListSize(): Int = newList.size
+        override fun areItemsTheSame(oldPos: Int, newPos: Int): Boolean =
+            oldList[oldPos].roomId == newList[newPos].roomId
+        override fun areContentsTheSame(oldPos: Int, newPos: Int): Boolean =
+            oldList[oldPos] == newList[newPos]
+    }
+
+    class ChatRoomViewHolder(
+        itemView: View,
+        private val onItemClick: (ChatRoomListUiItem) -> Unit
+    ) : RecyclerView.ViewHolder(itemView) {
+
+        private val ivProfile = itemView.findViewById<ImageView>(R.id.iv_profile)
+        private val tvName = itemView.findViewById<TextView>(R.id.tv_name)
+        private val tvDirectBadge = itemView.findViewById<TextView>(R.id.tv_direct_badge)
+        private val tvTime = itemView.findViewById<TextView>(R.id.tv_time)
+        private val tvLastMessage = itemView.findViewById<TextView>(R.id.tv_last_message)
+
+        fun bind(item: ChatRoomListUiItem) {
+            ivProfile.loadUrl(item.targetImageUrl) {
+                transformations(profileImageTransformations())
+            }
+            tvName.text = item.targetName
+            tvLastMessage.text = item.lastMessage
+            tvTime.text = formatChatRoomLastMessageTime(
+                itemView.context,
+                item.lastMessageAt
+            )
+            tvDirectBadge.visibility = if (item.showDirectBadge) {
+                View.VISIBLE
+            } else {
+                View.GONE
+            }
+            itemView.setOnClickListener { onItemClick(item) }
+        }
+    }
+}