[feat] #111 Chatting Connection

app/src/main/AndroidManifest.xml

@@ -12,14 +12,14 @@
 
     <application
         android:name=".util.InfraApplication"
-        android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.InfraAndroid"
         android:usesCleartextTraffic="true"
-        android:requestLegacyExternalStorage="true">
+        android:requestLegacyExternalStorage="true"
+        android:dataExtractionRules="@xml/data_extraction_rules">
         <activity
             android:name=".MainActivity"
             android:exported="true"

app/src/main/java/com/example/infraandroid/category/view/fragment/CategoryViewIdeaFragment.kt

@@ -27,6 +27,7 @@ import retrofit2.Response
 
 class CategoryViewIdeaFragment : BaseFragment<FragmentViewIdeaBinding>(R.layout.fragment_view_idea){
     private var writerId : String ?= null
+    private var opponentProfileImg : String ?= null
 
     override fun FragmentViewIdeaBinding.onCreateView(){
 
@@ -52,7 +53,9 @@ class CategoryViewIdeaFragment : BaseFragment<FragmentViewIdeaBinding>(R.layout.
                 if(response.isSuccessful){
                     when(response.body()?.code){
                         1000 -> { binding.viewIdea = response.body()?.result
-                        writerId = response.body()?.result?.user_nickname }
+                        writerId = response.body()?.result?.user_nickname
+                        opponentProfileImg = response.body()?.result?.user_prPhoto
+                        }
                     }
                 }
             }
@@ -63,7 +66,7 @@ class CategoryViewIdeaFragment : BaseFragment<FragmentViewIdeaBinding>(R.layout.
         })
 
         binding.startChattingImageButton.setOnClickListener {
-            val action = CategoryViewIdeaFragmentDirections.actionCategoryViewIdeaFragmentToChatFragment(writerId = writerId)
+            val action = CategoryViewIdeaFragmentDirections.actionCategoryViewIdeaFragmentToChatFragment(writerId = writerId, opponentProfileImg)
             it.findNavController().navigate(action)
         }
 

app/src/main/java/com/example/infraandroid/chat/model/MessageInfo.kt

@@ -4,5 +4,6 @@ data class MessageInfo(
     var senderId: String = "",
     var message: String = "",
     var sendTime : String = "",
+    var profileImg : String? = "",
     var dateLine : Boolean = true,
 )

app/src/main/java/com/example/infraandroid/chat/view/ChatFragment.kt

@@ -10,22 +10,14 @@ import android.widget.Toast
 import androidx.fragment.app.Fragment
 import androidx.navigation.findNavController
 import androidx.navigation.fragment.navArgs
-import androidx.room.Room
 import com.example.infraandroid.util.InfraApplication
 import com.example.infraandroid.R
-import com.example.infraandroid.chat.model.ChatRoomDB
-import com.example.infraandroid.chat.model.ChatRoomEntity
 import com.example.infraandroid.chat.model.MessageInfo
 import com.example.infraandroid.databinding.FragmentChatBinding
-import com.google.firebase.database.ChildEventListener
-import com.google.firebase.database.DataSnapshot
-import com.google.firebase.database.DatabaseError
+import com.google.firebase.database.*
 import com.google.firebase.database.ktx.database
 import com.google.firebase.database.ktx.getValue
 import com.google.firebase.ktx.Firebase
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
 import java.text.SimpleDateFormat
 import java.util.*
 import kotlin.collections.HashMap
@@ -36,8 +28,9 @@ class ChatFragment : Fragment() {
     private val chatAdapter = ChatMultiViewAdapter()
     private val database = Firebase.database
     val chatList = mutableListOf<MessageInfo>()
-    private var chatRoomDB : ChatRoomDB? = null
-
+    private var chatRoomIndex : Int? = null
+    private val mRef = database.getReference("chatting")
+    private val args: ChatFragmentArgs by navArgs()
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -47,17 +40,20 @@ class ChatFragment : Fragment() {
 
         val binding = FragmentChatBinding.inflate(inflater, container, false)
         mBinding = binding
+
         return mBinding?.root
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
-        val args: ChatFragmentArgs by navArgs()
         val opponentNickName = args.writerId
+        val opponentProfileImg = args.opponenetProfileImg
+
         val buttonToSend = mBinding?.messageSendButton as ImageButton
         mBinding?.chatOpponentNameTextview?.text = opponentNickName
 
+
         // 리사이클러뷰
         mBinding?.chatRecyclerview?.adapter = chatAdapter
 
@@ -66,11 +62,10 @@ class ChatFragment : Fragment() {
             var date = ""
             override fun onChildAdded(dataSnapshot: DataSnapshot, previousChildName: String?) {
 
-                // A new comment has been added, add it to the displayed list
                 chatList.clear()
-                val tempMessage = MessageInfo("","","")
+                val tempMessage = MessageInfo("","","", opponentProfileImg)
                 for(snapshot in dataSnapshot.children){
-                    Log.d(TAG, "onChildAdded: "+ snapshot.key.toString())
+                    Log.d(TAG, "onChildAdded: ${snapshot.value.toString()}")
                     if(snapshot.key=="senderId"){
                         tempMessage.senderId=snapshot.value.toString()
                     }
@@ -87,12 +82,12 @@ class ChatFragment : Fragment() {
                             date = thisMessageTime
                         }
                     }
-//                    if(snapshot.key=="user1") {
-//                        opponentId = snapshot.value.toString()
-//                    }
                 }
                 if(tempMessage.senderId!="" && tempMessage.message!="" && tempMessage.sendTime!="")
+                {
+                    Log.d(TAG, "onChildAdded: $tempMessage")
                     chatList.add(tempMessage)
+                }
                 chatAdapter.messageList.addAll(chatList)
                 chatAdapter.notifyDataSetChanged()
                 // ...
@@ -138,24 +133,39 @@ class ChatFragment : Fragment() {
             }
         }
 
-        var chatRoomIndex : Int ?= null
-        chatRoomDB = ChatRoomDB.getInstance(context!!.applicationContext)
-        CoroutineScope(Dispatchers.IO).launch{
-            if (opponentNickName != null) {
-                if (chatRoomDB!!.chatRoomDAO().checkOpponent(opponentNickName).isEmpty()){
-                    var newChatRoomEntity : ChatRoomEntity ?= null
-                    newChatRoomEntity?.opponentNickName = opponentNickName
-                    if (newChatRoomEntity != null) {
-                        chatRoomDB!!.chatRoomDAO().insert(newChatRoomEntity)
+
+        mRef.addValueEventListener(object:ValueEventListener{
+            override fun onDataChange(snapshot: DataSnapshot) {
+                // 이미 파이어베이스에 존재하는 채팅방인지 검사
+                if(chatRoomIndex==null){
+                    var i = 0
+                    for(chatIndex in snapshot.children){
+                        i += 1
+                        if(chatIndex.child("users").child("user1").value.toString()==opponentNickName &&
+                            chatIndex.child("users").child("user2").value.toString()==InfraApplication.prefs.getString("userNickName", "null")){
+                            chatRoomIndex = i
+                            break
+                        }
+                        if(chatIndex.child("users").child("user2").value.toString()==opponentNickName &&
+                            chatIndex.child("users").child("user1").value.toString()==InfraApplication.prefs.getString("userNickName", "null")){
+                            chatRoomIndex = i
+                            break
+                        }
+                    }
+                    // 처음 시작하는 채팅이면
+                    if(chatRoomIndex==null){
+                        chatRoomIndex = snapshot.childrenCount.toInt()+1
                     }
-                    chatRoomIndex = chatRoomDB!!.chatRoomDAO().checkOpponent(opponentNickName)[0].index
+                    mRef.child(chatRoomIndex.toString()).addChildEventListener(childEventListener)
+                    Log.d(TAG, "onDataChange: $chatRoomIndex")
                 }
             }
-        }
 
+            override fun onCancelled(error: DatabaseError) {
+                TODO("Not yet implemented")
+            }
 
-        val databaseReference = database.getReference("chatting").child(chatRoomIndex.toString())
-        databaseReference.addChildEventListener(childEventListener)
+        })
 
         // 보내기 버튼을 누르면 firebase realtime db에 저장
         buttonToSend.setOnClickListener {
@@ -164,17 +174,18 @@ class ChatFragment : Fragment() {
             val date = Date(now)
             val dataFormat = SimpleDateFormat("yyyy-MM-dd HH:mm:ss")
             val dateTime = dataFormat.format(date)
-            val myRef = database.getReference("chatting").child(chatRoomIndex.toString()).child(dateTime)
+            Log.d(TAG, "왜 여기는 되냐 "+mRef.child(chatRoomIndex.toString()))
+            val myRef = mRef.child(chatRoomIndex.toString()).child(dateTime)
 
             // 대화하는 두 사람의 Id값을 firebase realtime db에 저장
-            val userRef = database.getReference("chatting").child(chatRoomIndex.toString()).child("users")
-            val lastMessageRef = database.getReference("chatting").child(chatRoomIndex.toString()).child("lastMessage")
+            val userRef = mRef.child(chatRoomIndex.toString()).child("users")
+            val lastMessageRef = mRef.child(chatRoomIndex.toString()).child("lastMessage")
             val userHashMap = HashMap<String, String>()
             userHashMap["user1"] = InfraApplication.prefs.getString("userNickName", "null")
             // 상대방의 아이디 가져와서 user2에 저장
             userHashMap["user2"] = opponentNickName.toString()
             userHashMap["user1ProfileImg"] = "user1의 프로필 이미지 url"
-            userHashMap["user2ProfileImg"] = "user2의 프로필 이미지 url"
+            userHashMap["user2ProfileImg"] = opponentProfileImg.toString()
             userRef.setValue(userHashMap)
 
             if (messageToSend != null) {

app/src/main/java/com/example/infraandroid/chat/view/ChatMultiViewAdapter.kt

@@ -68,7 +68,9 @@ class ChatMultiViewAdapter() : RecyclerView.Adapter<RecyclerView.ViewHolder>(){
             }
 
             Glide.with(itemView)
-                .load(R.drawable.other_user_photo)
+                .load(messageInfo.profileImg)
+                .circleCrop()
+                .error(R.drawable.other_user_photo)
                 .into(binding.opponentProfileImageview)
 
             var hour = messageInfo.sendTime.substring(11..12)

app/src/main/java/com/example/infraandroid/chat/view/ChattingRoomAdapter.kt

@@ -36,11 +36,13 @@ class ChattingRoomAdapter(): RecyclerView.Adapter<RecyclerView.ViewHolder>() {
             binding.chattingRoomLastMessageTextview.text = chattingRoomInfo.lastMessage
             binding.chattingRoomListOpponentNameTextview.text = chattingRoomInfo.opponentName
             Glide.with(itemView)
-                .load(R.drawable.other_user_photo)
+                .load(chattingRoomInfo.opponentProfileImg)
+                .circleCrop()
+                .error(R.drawable.other_user_photo)
                 .into(binding.chattingRoomListImageview)
             itemView.setOnClickListener {
-                InfraApplication.chatRoomIndex = chattingRoomInfo.chattingRoomIndex
-                it.findNavController().navigate(R.id.action_chatting_room_list_fragment_to_chat_fragment)
+                val action = ChattingRoomListFragmentDirections.actionChattingRoomListFragmentToChatFragment(chattingRoomInfo.opponentName, chattingRoomInfo.opponentProfileImg)
+                it.findNavController().navigate(action)
             }
 
             val now: Long = System.currentTimeMillis()

app/src/main/res/navigation/nav_graph.xml

@@ -51,6 +51,11 @@
             app:argType="string"
             app:nullable="true"
             android:defaultValue="@null"/>
+        <argument
+            android:name="opponenetProfileImg"
+            app:argType="string"
+            app:nullable="true"
+            android:defaultValue="@null"/>
     </fragment>
     <fragment
         android:id="@+id/my_info_fragment"

app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!--
+        TODO: Use <include> and <exclude> to control what is backed up.
+        The domain can be file, database, sharedpref, external or root.
+        Examples:
+
+        <include domain="file" path="file_to_include"/>
+        <exclude domain="file" path="file_to_exclude"/>
+        <include domain="file" path="include_folder"/>
+        <exclude domain="file" path="include_folder/file_to_exclude"/>
+        <exclude domain="file" path="exclude_folder"/>
+        <include domain="file" path="exclude_folder/file_to_include"/>
+
+        <include domain="sharedpref" path="include_shared_pref1.xml"/>
+        <include domain="database" path="db_name/file_to_include"/>
+        <exclude domain="database" path="db_name/include_folder/file_to_exclude"/>
+        <include domain="external" path="file_to_include"/>
+        <exclude domain="external" path="file_to_exclude"/>
+        <include domain="root" path="file_to_include"/>
+        <exclude domain="root" path="file_to_exclude"/>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>