8주차 과제

과제/app/src/main/AndroidManifest.xml

@@ -10,27 +10,19 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.FLO">
-<!--        <activity-->
-<!--            android:name=".SplashActivity"-->
-<!--            android:exported="true">-->
-<!--            <intent-filter>-->
-<!--                <action android:name="android.intent.action.MAIN" />-->
-
-<!--                <category android:name="android.intent.category.LAUNCHER" />-->
-<!--            </intent-filter>-->
-<!--        </activity>-->
-<!--        <activity android:name=".MainActivity"></activity>-->
         <activity
-            android:name=".MainActivity"
+            android:name=".SplashActivity"
             android:exported="true">
-<!--            android:theme="@style/SplashTheme"> -->
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".MainActivity"></activity>
         <activity android:name=".SongActivity"/>
+        <activity android:name=".LoginActivity"/>
+        <activity android:name=".SignUpActivity"/>
     </application>
 
 </manifest>

과제/app/src/main/java/com/example/flo/Album.kt

@@ -1,8 +1,12 @@
 package com.example.flo
 
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "AlbumTable")
 data class Album(
+    @PrimaryKey(autoGenerate = false) var id: Int = 0,
     var title: String? = "",
     var singer: String? = "",
-    var coverImg: Int? = null,
-    var songs: ArrayList<Song>? = null
+    var coverImg: Int? = null
 )

과제/app/src/main/java/com/example/flo/AlbumDao.kt

@@ -0,0 +1,25 @@
+package com.example.flo
+
+import androidx.room.*
+
+@Dao
+interface AlbumDao {
+    @Insert
+    fun insert(album: Album)
+
+    @Query("SELECT * FROM AlbumTable")
+    fun getAlbums(): List<Album>
+
+    @Insert
+    fun likeAlbum(like: Like)
+
+    @Query("SELECT id FROM LikeTable WHERE userId = :userId AND albumId = :albumId")
+    fun isLikedAlbum(userId:Int, albumId:Int): Int? //null 처리
+
+    @Query("DELETE FROM LikeTable WHERE userId = :userId AND albumId = :albumId")
+    fun disLikedAlbum(userId:Int, albumId:Int) //null 처리
+
+    @Query("SELECT AT.* FROM LikeTable as LT LEFT JOIN AlbumTable as AT ON LT.albumId = AT.id WHERE LT.userId = :userId")
+    fun getLikedAlbums(userId: Int) : List<Album>
+    // LikeTable 기준으로 join, LikeTable에 있는 id와 Albumid의 id가 같은 것끼리
+}

과제/app/src/main/java/com/example/flo/AlbumFragment.kt

@@ -5,6 +5,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.setFragmentResultListener
 import com.example.flo.databinding.FragmentAlbumBinding
@@ -19,6 +20,8 @@ class AlbumFragment : Fragment() {
 
     private var gson: Gson = Gson()
 
+    private var isLiked : Boolean = false
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -30,7 +33,9 @@ class AlbumFragment : Fragment() {
 
         val albumJson = arguments?.getString("album") // json 꺼내기
         val album = gson.fromJson(albumJson, Album::class.java) // 앨범 객체로 변환
+        isLiked = isLikedAlbum(album.id)
         setInit(album) // 표시
+        setOnClickListeners(album)
 
         binding.albumBackIv.setOnClickListener {
             (context as MainActivity).supportFragmentManager.beginTransaction().replace(R.id.main_frm, HomeFragment()).commitAllowingStateLoss()
@@ -55,6 +60,51 @@ class AlbumFragment : Fragment() {
         binding.albumAlbumIv.setImageResource(album.coverImg!!)
         binding.albumMusicTitleTv.text = album.title.toString()
         binding.albumSingerNameTv.text = album.singer.toString()
+        if (isLiked) {
+            binding.albumAlbumIv.setImageResource(R.drawable.ic_my_like_on)
+        } else {
+            binding.albumAlbumIv.setImageResource(R.drawable.ic_my_like_off)
+        }
+    }
+
+    private fun getJwt(): Int {
+        val spf = activity?.getSharedPreferences("auth", AppCompatActivity.MODE_PRIVATE)
+        return spf!!.getInt("jwt", 0)
+    }
+
+    private fun likeAlbum(userId : Int, albumId : Int) {
+        val songDB = SongDatabase.getInstance(requireContext())!!
+        val like = Like(userId, albumId)
+
+        songDB.albumDao().likeAlbum(like)
+    }
+
+    private fun isLikedAlbum(albumId: Int): Boolean {
+        val songDB = SongDatabase.getInstance(requireContext())!!
+        val userId = getJwt()
+
+        val likeId : Int? = songDB.albumDao().isLikedAlbum(userId, albumId)
+
+        return likeId != null
+    }
+
+    private fun disLikedAlbum(albumId: Int) {
+        val songDB = SongDatabase.getInstance(requireContext())!!
+        val userId = getJwt()
+
+        songDB.albumDao().disLikedAlbum(userId, albumId)
     }
 
+    private fun setOnClickListeners(album: Album) {
+        val userId = getJwt()
+        binding.albumLikeIv.setOnClickListener {
+            if (isLiked) {
+                binding.albumLikeIv.setImageResource(R.drawable.ic_my_like_off)
+                disLikedAlbum(album.id)
+            } else {
+                binding.albumAlbumIv.setImageResource((R.drawable.ic_my_like_on))
+                isLikedAlbum(album.id)
+            }
+        }
+    }
 }

과제/app/src/main/java/com/example/flo/AlbumLockerRVAdapter.kt

@@ -0,0 +1,59 @@
+package com.example.flo
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.example.flo.databinding.ItemLockerAlbumBinding
+
+class AlbumLockerRVAdapter (): RecyclerView.Adapter<AlbumLockerRVAdapter.ViewHolder>() {
+    private val albums = ArrayList<Album>()
+
+    interface MyItemClickListener{
+        fun onRemoveSong(songId: Int)
+    }
+
+    private lateinit var mItemClickListener: MyItemClickListener
+
+    fun setMyItemClickListener(itemClickListener: MyItemClickListener){
+        mItemClickListener = itemClickListener
+    }
+
+    override fun onCreateViewHolder(viewGroup: ViewGroup, viewType: Int): AlbumLockerRVAdapter.ViewHolder {
+        val binding: ItemLockerAlbumBinding = ItemLockerAlbumBinding.inflate(LayoutInflater.from(viewGroup.context), viewGroup, false)
+
+        return ViewHolder(binding)
+    }
+
+    override fun onBindViewHolder(holder: AlbumLockerRVAdapter.ViewHolder, position: Int) {
+        holder.bind(albums[position])
+        holder.binding.itemAlbumMoreIv.setOnClickListener {
+            mItemClickListener.onRemoveSong(albums[position].id)
+            removeSong(position)
+        }
+    }
+
+    override fun getItemCount(): Int = albums.size
+
+    @SuppressLint("NotifyDataSetChanged")
+    fun addAlbums(albums: ArrayList<Album>) {
+        this.albums.clear()
+        this.albums.addAll(albums)
+
+        notifyDataSetChanged()
+    }
+
+    fun removeSong(position: Int){
+        albums.removeAt(position)
+        notifyDataSetChanged()
+    }
+
+    inner class ViewHolder(val binding: ItemLockerAlbumBinding) : RecyclerView.ViewHolder(binding.root){
+        fun bind(album: Album){
+            binding.itemAlbumImgIv.setImageResource(album.coverImg!!)
+            binding.itemAlbumTitleTv.text = album.title
+            binding.itemAlbumSingerTv.text = album.singer
+        }
+    }
+
+}

과제/app/src/main/java/com/example/flo/HomeFragment.kt

@@ -15,6 +15,8 @@ class HomeFragment : Fragment() {
     lateinit var binding: FragmentHomeBinding
     private var albumDatas = ArrayList<Album>()
 
+    private lateinit var songDB: SongDatabase
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -41,17 +43,8 @@ class HomeFragment : Fragment() {
         val autoBanner = AutoBanner(panelAdapter)
         autoBanner.start()
 
-        // 리사이클러뷰
-        // 데이터 리스트 생성 더미 데이터
-        // 실제 어플에선 데이터를 서버에서 받아온다.
-        albumDatas.apply {
-            add(Album("Butter", "방탄소년단 (BTS)", R.drawable.img_album_exp))
-            add(Album("Lilac", "아이유 (IU)", R.drawable.img_album_exp2))
-            add(Album("Next Level", "에스파 (AESPA)", R.drawable.img_album_exp))
-            add(Album("Boy with Luv", "방탄소년단 (BTS)", R.drawable.img_album_exp2))
-            add(Album("BBoom BBoom", "모모랜드 (MOMOLAND)", R.drawable.img_album_exp))
-            add(Album("Weekden", "태연 (Tae Yeon)", R.drawable.img_album_exp2))
-        }
+        songDB = SongDatabase.getInstance(requireContext())!!
+        albumDatas.addAll(songDB.albumDao().getAlbums())
 
         val albumRVAdapter = AlbumRVAdapter(albumDatas)
         binding.homeTodayMusicAlbumRv.adapter = albumRVAdapter

과제/app/src/main/java/com/example/flo/Like.kt

@@ -0,0 +1,12 @@
+package com.example.flo
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "LikeTable")
+data class Like(
+    var userId : Int,
+    var albumId : Int
+){
+    @PrimaryKey(autoGenerate = true) var id : Int = 0
+}

과제/app/src/main/java/com/example/flo/LockerFragment.kt

@@ -1,17 +1,19 @@
 package com.example.flo
 
+import android.content.Intent
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import com.example.flo.databinding.FragmentLockerBinding
 import com.google.android.material.tabs.TabLayoutMediator
 
 class LockerFragment : Fragment() {
 
     lateinit var binding: FragmentLockerBinding
-    private val information = arrayListOf("저장한 곡", "음악파일")
+    private val information = arrayListOf("저장한 곡", "음악파일", "저장 앨범")
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -28,6 +30,45 @@ class LockerFragment : Fragment() {
             tab.text = information[position]
         }.attach() // 탭 레이아웃과 뷰 페이저 붙이기
 
+        binding.lockerLoginTv.setOnClickListener{
+            startActivity(Intent(activity, LoginActivity::class.java))
+        }
+
         return binding.root
     }
+
+    override fun onStart() {
+        super.onStart()
+        initViews()
+    }
+
+    private fun getJwt(): Int {
+        val spf = activity?.getSharedPreferences("auth", AppCompatActivity.MODE_PRIVATE)
+        return spf!!.getInt("jwt", 0)
+    }
+
+    private fun initViews(){
+        val jwt: Int = getJwt()
+        if (jwt == 0){
+            binding.lockerLoginTv.text = "로그인"
+            binding.lockerLoginTv.setOnClickListener {
+                startActivity(Intent(activity, LoginActivity::class.java))
+            }
+        } else {
+            binding.lockerLoginTv.text = "로그아웃"
+            binding.lockerLoginTv.setOnClickListener {
+                // 로그아웃 진행
+                logout()
+                startActivity(Intent(activity, MainActivity::class.java))
+            }
+        }
+    }
+
+    private fun logout() {
+        // 로그아웃 시 jwt는 0
+        val spf = activity?.getSharedPreferences("auth", AppCompatActivity.MODE_PRIVATE)
+        val editor = spf!!.edit()
+        editor.remove("jwt")
+        editor.apply()
+    }
 }

과제/app/src/main/java/com/example/flo/LockerVPAdapter.kt

@@ -4,13 +4,14 @@ import androidx.fragment.app.Fragment
 import androidx.viewpager2.adapter.FragmentStateAdapter
 
 class LockerVPAdapter(fragment:Fragment) : FragmentStateAdapter(fragment) {
-    override fun getItemCount(): Int = 2
+    override fun getItemCount(): Int = 3
 
     override fun createFragment(position: Int): Fragment {
         // when은 switch와 비슷하다.
         return when(position){
             0 -> SavedFragment()
-            else -> MusicfilesFragment() // 1
+            1 -> MusicfilesFragment() // 1
+            else -> SavedAlbumFragment()
         }
     }