[Assignment8 #6]

app/src/main/AndroidManifest.xml

@@ -2,8 +2,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
-
-
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -22,13 +20,24 @@
             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=".SongActivity"
             android:exported="true"/>
+
+        <activity
+            android:name=".LoginActivity"
+            android:exported="true"/>
+
+        <activity
+            android:name=".SignUpActivity"
+            android:exported="true"/>
+
+
+
     </application>
 
 </manifest>

app/src/main/java/com/example/myapplication/LockerFragment.kt

@@ -1,9 +1,11 @@
 package com.example.myapplication
 
+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.myapplication.databinding.FragmentLockerBinding
 import com.google.android.material.tabs.TabLayoutMediator
@@ -27,8 +29,48 @@ class LockerFragment : Fragment() {
             tab.text = information[position]
         }.attach()
 
+        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 {
+                logout()
+                startActivity(Intent(activity, MainActivity::class.java))
+            }
+        }
+    }
+
+    private fun  logout() {
+        val spf = activity?.getSharedPreferences("auth",AppCompatActivity.MODE_PRIVATE)
+        val editor = spf!!.edit()
+        editor.remove("jwt")
+        editor.apply()
+    }
+
+
 }

app/src/main/java/com/example/myapplication/LoginActivity.kt

@@ -0,0 +1,67 @@
+package com.example.myapplication
+
+import android.content.Intent
+import android.os.Bundle
+import android.util.Log
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import com.example.flo.SongDatabase
+import com.example.myapplication.databinding.ActivityLoginBinding
+
+class LoginActivity : AppCompatActivity() {
+
+    lateinit var binding : ActivityLoginBinding
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ActivityLoginBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        binding.loginSignUpTv.setOnClickListener {
+            startActivity(Intent(this, SignUpActivity::class.java))
+        }
+
+        binding.loginSignInBtn.setOnClickListener{
+            login()
+        }
+    }
+
+    private fun login() {
+        if (binding.loginIdEt.text.toString().isEmpty() || binding.loginDirectInputEt.text.toString().isEmpty()) {
+            Toast.makeText(this, "이메일을 입력해주세요", Toast.LENGTH_SHORT).show()
+            return
+        }
+
+        if (binding.loginPasswordEt.text.toString().isEmpty()) {
+            Toast.makeText(this, "비밀번호를 입력해주세요", Toast.LENGTH_SHORT).show()
+            return
+        }
+
+        val email : String = binding.loginIdEt.text.toString() + "@" + binding.loginDirectInputEt.text.toString()
+        val pwd : String = binding.loginPasswordEt.text.toString()
+
+        val songDB = SongDatabase.getInstance(this)!!
+        val user = songDB.UserDao().getUser(email, pwd)
+
+        user.let {
+            Log.d("LOGIN_ACT/GET_USER", "userId: ${user!!.id}, $user")
+            saveJwt(user!!.id)
+            startMainActivity()
+        }
+        Toast.makeText(this, "회원 정보가 존재하지 않습니다", Toast.LENGTH_SHORT).show()
+    }
+
+    private fun startMainActivity() {
+        val intent = Intent(this, MainActivity::class.java)
+        startActivity(intent)
+    }
+
+    private fun saveJwt(jwt : Int) {
+        val spf = getSharedPreferences("auth", MODE_PRIVATE)
+        val editor = spf.edit()
+
+        editor.putInt("jwt", jwt)
+        editor.apply()
+    }
+
+
+}

app/src/main/java/com/example/myapplication/SignUpActivity.kt

@@ -0,0 +1,54 @@
+package com.example.myapplication
+
+import android.os.Bundle
+import android.util.Log
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import com.example.flo.SongDatabase
+import com.example.myapplication.databinding.ActivitySignUpBinding
+
+class SignUpActivity : AppCompatActivity() {
+
+    lateinit var binding: ActivitySignUpBinding
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ActivitySignUpBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        binding.signUpSignUpBtn.setOnClickListener {
+            val signUpCompletion = signUp()
+            if(signUpCompletion) {
+                finish()
+            }
+        }
+
+    }
+
+    private fun getUser() : User {
+        val email : String = binding.signUpIdEt.text.toString() + "@" + binding.signUpDirectInputEt.text.toString()
+        val pwd : String = binding.signUpPasswordEt.text.toString()
+        return User(email, pwd)
+    }
+
+    private fun signUp() : Boolean {
+        if(binding.signUpIdEt.text.toString().isEmpty() || binding.signUpDirectInputEt.text.toString().isEmpty()) {
+            Toast.makeText(this, "이메일 형식이 잘못되었습니다.", Toast.LENGTH_SHORT).show()
+            return false
+        }
+
+        if(binding.signUpPasswordEt.text.toString() != binding.signUpPasswordCheckEt.text.toString()) {
+            Toast.makeText(this, "비밀번호가 일치하지 않습니다.", Toast.LENGTH_SHORT).show()
+            return false
+        }
+
+        val userDB = SongDatabase.getInstance(this)!!
+        userDB.UserDao().insert(getUser())
+
+        val user = userDB.UserDao().getUsers()
+        Log.d("sign up", user.toString())
+
+        Toast.makeText(this, "회원가입이 완료되었습니다.", Toast.LENGTH_SHORT).show()
+        return true
+    }
+}

app/src/main/java/com/example/myapplication/SongDatabase.kt

@@ -7,6 +7,8 @@ import androidx.room.RoomDatabase
 import com.example.myapplication.Album
 //import com.example.myapplication.AlbumDao
 import com.example.myapplication.Song
+import com.example.myapplication.User
+import com.example.myapplication.UserDao
 
 
 /*
@@ -36,10 +38,11 @@ abstract class SongDatabase: RoomDatabase() {
  */
 
 //@Database(entities = [Song::class, Album::class], version = 1)
-@Database(entities = [Song::class], version = 1)
+@Database(entities = [Song::class, User::class], version = 1)
 abstract class SongDatabase: RoomDatabase() {
     abstract fun songDao(): SongDao
     //abstract fun albumDao(): AlbumDao
+    abstract fun UserDao(): UserDao
 
     companion object {
         private var instance: SongDatabase? = null

app/src/main/java/com/example/myapplication/User.kt

@@ -0,0 +1,12 @@
+package com.example.myapplication
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "UserTable")
+data class User(
+    var email : String,
+    var password : String
+) {
+    @PrimaryKey(autoGenerate = true) var id : Int = 0
+}

app/src/main/java/com/example/myapplication/UserDao.kt

@@ -0,0 +1,15 @@
+package com.example.myapplication
+
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.Query
+
+@Dao
+interface UserDao {
+    @Insert
+    fun insert(user : User)
+    @Query("select * from UserTable")
+    fun getUsers() : List<User>
+    @Query("select * from UserTable where email =:email and password = :password")
+    fun getUser(email : String, password : String) : User?
+}