login process and navigation done

championswimmer · championswimmer · commit 5b6a642a241b · 2020-12-16T03:02:50.000+05:30
Signed-off-by: Arnav Gupta &lt;arnav@codingblocks.com&gt;
diff --git a/api/src/main/java/io/realworld/api/services/ConduitAPI.kt b/api/src/main/java/io/realworld/api/services/ConduitAPI.kt
@@ -16,7 +16,7 @@ interface ConduitAPI {
         @Body userCreds: SignupRequest
     ): Response<UserResponse>
 
-    @POST("users")
+    @POST("users/login")
     suspend fun loginUser(
         @Body userCreds: LoginRequest
     ): Response<UserResponse>
diff --git a/app/src/main/java/io/realworld/android/AuthViewModel.kt b/app/src/main/java/io/realworld/android/AuthViewModel.kt
@@ -0,0 +1,20 @@
+package io.realworld.android
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import io.realworld.android.data.UserRepo
+import io.realworld.api.models.entities.User
+import kotlinx.coroutines.launch
+
+class AuthViewModel : ViewModel() {
+    private val _user = MutableLiveData<User?>()
+    val user: LiveData<User?> = _user
+
+    fun login(email: String, password: String) = viewModelScope.launch {
+        UserRepo.login(email, password)?.let {
+            _user.postValue(it.user)
+        }
+    }
+}
diff --git a/app/src/main/java/io/realworld/android/MainActivity.kt b/app/src/main/java/io/realworld/android/MainActivity.kt
@@ -2,25 +2,30 @@ package io.realworld.android
 
 import android.os.Bundle
 import android.view.Menu
+import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import androidx.drawerlayout.widget.DrawerLayout
+import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.findNavController
 import androidx.navigation.ui.AppBarConfiguration
 import androidx.navigation.ui.navigateUp
 import androidx.navigation.ui.setupActionBarWithNavController
 import androidx.navigation.ui.setupWithNavController
 import com.google.android.material.navigation.NavigationView
-import com.google.android.material.snackbar.Snackbar
 import io.realworld.android.databinding.ActivityMainBinding
+import io.realworld.api.models.entities.User
 
 class MainActivity : AppCompatActivity() {
 
     private lateinit var appBarConfiguration: AppBarConfiguration
     private lateinit var binding: ActivityMainBinding
+    private lateinit var authViewModel: AuthViewModel
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
+        authViewModel = ViewModelProvider(this).get(AuthViewModel::class.java)
+
         binding = ActivityMainBinding.inflate(layoutInflater)
         setContentView(binding.root)
 
@@ -34,10 +39,29 @@ class MainActivity : AppCompatActivity() {
         appBarConfiguration = AppBarConfiguration(
             setOf(
                 R.id.nav_feed,
+                R.id.nav_auth
             ), drawerLayout
         )
         setupActionBarWithNavController(navController, appBarConfiguration)
         navView.setupWithNavController(navController)
+
+        authViewModel.user.observe({ lifecycle }) {
+            updateMenu(it)
+            navController.navigateUp()
+        }
+    }
+
+    private fun updateMenu(user: User?) {
+        when (user) {
+            is User -> {
+                binding.navView.menu.clear()
+                binding.navView.inflateMenu(R.menu.menu_main_user)
+            }
+            else -> {
+
+            }
+        }
+
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
diff --git a/app/src/main/java/io/realworld/android/data/UserRepo.kt b/app/src/main/java/io/realworld/android/data/UserRepo.kt
@@ -0,0 +1,16 @@
+package io.realworld.android.data
+
+import io.realworld.api.ConduitClient
+import io.realworld.api.models.entities.LoginData
+import io.realworld.api.models.requests.LoginRequest
+import io.realworld.api.models.responses.UserResponse
+
+object UserRepo {
+    val api = ConduitClient().api
+
+    suspend fun login(email: String, password: String): UserResponse? {
+        val response = api.loginUser(LoginRequest(LoginData(email, password)))
+        return response.body()
+    }
+
+}
diff --git a/app/src/main/java/io/realworld/android/ui/auth/AuthFragment.kt b/app/src/main/java/io/realworld/android/ui/auth/AuthFragment.kt
@@ -6,6 +6,8 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.navigation.NavController
+import androidx.navigation.NavHost
+import androidx.navigation.NavHostController
 import androidx.navigation.Navigation
 import androidx.navigation.fragment.NavHostFragment
 import com.google.android.material.tabs.TabLayout
@@ -15,17 +17,31 @@ import io.realworld.android.databinding.FragmentAuthBinding
 class AuthFragment : Fragment() {
 
     private var _binding: FragmentAuthBinding? = null
+    private var navController: NavController? = null
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
         _binding = FragmentAuthBinding.inflate(inflater, container, false)
+        return _binding?.root
+    }
 
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
 
+        navController = _binding?.let { Navigation.findNavController(it.root) }
         _binding?.authTabLayout?.addOnTabSelectedListener(object: TabLayout.OnTabSelectedListener {
             override fun onTabSelected(tab: TabLayout.Tab?) {
+                when(tab?.position) {
+                    0 -> {
+                        navController?.navigate(R.id.gotoLoginFragment)
+                    }
+                    1 -> {
+                        navController?.navigate(R.id.gotoSignupFragment)
+                    }
+                }
             }
 
             override fun onTabUnselected(tab: TabLayout.Tab?) {
@@ -35,8 +51,6 @@ class AuthFragment : Fragment() {
             }
 
         })
-
-        return _binding?.root
     }
 
     override fun onDestroyView() {
diff --git a/app/src/main/java/io/realworld/android/ui/auth/LoginFragment.kt b/app/src/main/java/io/realworld/android/ui/auth/LoginFragment.kt
@@ -1,6 +1,45 @@
 package io.realworld.android.ui.auth
 
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
 import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import io.realworld.android.AuthViewModel
+import io.realworld.android.databinding.FragmentLoginBinding
 
 class LoginFragment : Fragment() {
+
+    private var _binding: FragmentLoginBinding? = null
+    val authViewModel: AuthViewModel by activityViewModels()
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        _binding = FragmentLoginBinding.inflate(inflater, container, false)
+
+        return _binding?.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        _binding?.apply {
+            loginButton.setOnClickListener {
+                authViewModel.login(
+                    emailEditText.text.toString(),
+                    passwordEditText.text.toString()
+                )
+            }
+
+        }
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
 }
diff --git a/app/src/main/java/io/realworld/android/ui/auth/SignupFragment.kt b/app/src/main/java/io/realworld/android/ui/auth/SignupFragment.kt
@@ -3,4 +3,5 @@ package io.realworld.android.ui.auth
 import androidx.fragment.app.Fragment
 
 class SignupFragment : Fragment() {
+
 }
diff --git a/app/src/main/java/io/realworld/android/ui/feed/FeedViewModel.kt b/app/src/main/java/io/realworld/android/ui/feed/FeedViewModel.kt
@@ -13,7 +13,6 @@ class FeedViewModel : ViewModel() {
 
 
     private val _feed = MutableLiveData<List<Article>>()
-
     val feed: LiveData<List<Article>> = _feed
 
     fun fetchGlobalFeed() = viewModelScope.launch {
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
@@ -21,5 +21,5 @@
             android:layout_gravity="start"
             android:fitsSystemWindows="true"
             app:headerLayout="@layout/nav_header_main"
-            app:menu="@menu/activity_main_drawer" />
+            app:menu="@menu/menu_main_guest" />
 </androidx.drawerlayout.widget.DrawerLayout>
diff --git a/app/src/main/res/layout/content_main.xml b/app/src/main/res/layout/content_main.xml
@@ -16,5 +16,5 @@
             app:layout_constraintLeft_toLeftOf="parent"
             app:layout_constraintRight_toRightOf="parent"
             app:layout_constraintTop_toTopOf="parent"
-            app:navGraph="@navigation/navigation_main" />
+            app:navGraph="@navigation/navigation_main_guest" />
 </androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/fragment_login.xml b/app/src/main/res/layout/fragment_login.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_gravity="center"
+        android:gravity="center_horizontal"
+        android:orientation="vertical"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content">
+    <EditText
+            android:inputType="textEmailAddress"
+            android:textAlignment="center"
+            android:hint="email"
+            android:id="@+id/emailEditText"
+            android:ems="10"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"/>
+    <EditText
+            android:inputType="textPassword"
+            android:textAlignment="center"
+            android:hint="password"
+            android:id="@+id/passwordEditText"
+            android:ems="10"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"/>
+    <com.google.android.material.button.MaterialButton
+            android:text="Login"
+            android:id="@+id/loginButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"/>
+
+</LinearLayout>
diff --git a/app/src/main/res/menu/menu_main_guest.xml b/app/src/main/res/menu/menu_main_guest.xml
diff --git a/app/src/main/res/menu/menu_main_user.xml b/app/src/main/res/menu/menu_main_user.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:tools="http://schemas.android.com/tools"
+        tools:showIn="navigation_view">
+
+    <group android:checkableBehavior="single">
+        <item
+                android:id="@+id/nav_feed"
+                android:icon="@drawable/ic_menu_feed"
+                android:title="@string/menu_feed" />
+    </group>
+</menu>
diff --git a/app/src/main/res/navigation/navigation_auth.xml b/app/src/main/res/navigation/navigation_auth.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:id="@+id/navigation_auth"
+        app:startDestination="@id/loginFragment">
+
+
+    <fragment
+            android:id="@+id/signupFragment"
+            android:name="io.realworld.android.ui.auth.SignupFragment"
+            android:label="SignupFragment" />
+    <fragment
+            android:id="@+id/loginFragment"
+            android:name="io.realworld.android.ui.auth.LoginFragment"
+            android:label="LoginFragment" />
+    <action
+            android:id="@+id/gotoLoginFragment"
+            app:destination="@id/loginFragment"
+            app:popUpTo="@id/navigation_auth"
+            app:enterAnim="@anim/nav_default_pop_enter_anim"
+            app:exitAnim="@anim/nav_default_pop_exit_anim" />
+    <action
+            android:id="@+id/gotoSignupFragment"
+            app:popUpTo="@id/navigation_auth"
+            app:destination="@id/signupFragment"
+            app:enterAnim="@anim/nav_default_pop_enter_anim"
+            app:exitAnim="@anim/nav_default_pop_exit_anim" />
+
+
+</navigation>
diff --git a/app/src/main/res/navigation/navigation_main_guest.xml b/app/src/main/res/navigation/navigation_main_guest.xml
@@ -14,7 +14,7 @@
     <fragment
             android:id="@+id/nav_auth"
             android:name="io.realworld.android.ui.auth.AuthFragment"
-            android:label="@string/menu_feed"
+            android:label="@string/menu_auth"
             tools:layout="@layout/fragment_auth">
     </fragment>
 </navigation>

Original file line number	Diff line number	Diff line change
`@@ -3,4 +3,5 @@ package io.realworld.android.ui.auth`
`3`	`3`	`import androidx.fragment.app.Fragment`
`4`	`4`
`5`	`5`	`class SignupFragment : Fragment() {`
	`6`	`+`
`6`	`7`	`}`