Navigate to login fragment when server is found

app/src/main/java/dev/jdtech/jellyfin/fragments/AddServerFragment.kt

@@ -6,7 +6,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.lifecycle.ViewModelProvider
-import androidx.navigation.findNavController
+import androidx.navigation.fragment.findNavController
 import dev.jdtech.jellyfin.R
 import dev.jdtech.jellyfin.databinding.FragmentAddServerBinding
 import dev.jdtech.jellyfin.viewmodels.AddServerViewModel
@@ -20,16 +20,30 @@ class AddServerFragment : Fragment() {
         val application = requireNotNull(this.activity).application
         val binding = FragmentAddServerBinding.inflate(inflater)
         val viewModelFactory = AddServerViewModelFactory(application)
-        val viewModel = ViewModelProvider(this, viewModelFactory).get(AddServerViewModel::class.java)
+        val viewModel =
+            ViewModelProvider(this, viewModelFactory).get(AddServerViewModel::class.java)
 
         binding.lifecycleOwner = this
         binding.viewModel = viewModel
 
         binding.buttonConnect.setOnClickListener { v: View ->
-            viewModel.checkServer(binding.editTextServerAddress.text.toString())
-            //v.findNavController().navigate(R.id.action_addServerFragment_to_loginFragment)
+            val serverAddress = binding.editTextServerAddress.text.toString()
+            if (serverAddress.isNotBlank()) {
+                viewModel.checkServer(serverAddress)
+                binding.progressCircular.visibility = View.VISIBLE
+            } else {
+                binding.editTextServerAddress.error = "Empty server address"
+            }
         }
 
+        viewModel.navigateToLogin.observe(viewLifecycleOwner, {
+            if (it) {
+                this.findNavController().navigate(R.id.action_addServerFragment_to_loginFragment)
+                viewModel.onNavigateToLoginDone()
+            }
+            binding.progressCircular.visibility = View.GONE
+        })
+
         return binding.root
     }
 }

app/src/main/java/dev/jdtech/jellyfin/viewmodels/AddServerViewModel.kt

@@ -2,6 +2,8 @@ package dev.jdtech.jellyfin.viewmodels
 
 import android.app.Application
 import android.util.Log
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dev.jdtech.jellyfin.api.JellyfinApi
@@ -10,14 +12,24 @@ import org.jellyfin.sdk.api.client.exception.ApiClientException
 import java.lang.Exception
 
 class AddServerViewModel(val application: Application) : ViewModel() {
+    private val _navigateToLogin = MutableLiveData<Boolean>()
+    val navigateToLogin: LiveData<Boolean>
+        get() = _navigateToLogin
+
     fun checkServer(baseUrl: String) {
         viewModelScope.launch {
             val jellyfinApi = JellyfinApi.newInstance(application, baseUrl)
             try {
                 jellyfinApi.systemApi.getPublicSystemInfo()
+                _navigateToLogin.value = true
             } catch (e: Exception) {
                 Log.e("JellyfinApi", "${e.message}")
+                _navigateToLogin.value = false
             }
         }
     }
+
+    fun onNavigateToLoginDone() {
+        _navigateToLogin.value = false
+    }
 }

app/src/main/res/layout/fragment_add_server.xml

@@ -5,6 +5,7 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <data>
+
         <variable
             name="viewModel"
             type="dev.jdtech.jellyfin.viewmodels.AddServerViewModel" />
@@ -27,6 +28,7 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
 
+
         <LinearLayout
             android:id="@+id/linearLayout"
             android:layout_width="match_parent"
@@ -62,11 +64,28 @@
                 android:textAppearance="@style/text_subtitle"
                 android:textColorHint="@color/neutral_400" />
 
-            <Button
-                android:id="@+id/button_connect"
-                style="@style/setup_button"
+            <RelativeLayout
                 android:layout_width="match_parent"
-                android:text="@string/button_connect" />
+                android:layout_height="wrap_content">
+
+                <Button
+                    android:id="@+id/button_connect"
+                    style="@style/setup_button"
+                    android:layout_width="match_parent"
+                    android:drawableStart="@drawable/ic_launcher_foreground"
+                    android:text="@string/button_connect" />
+
+                <ProgressBar
+                    android:id="@+id/progress_circular"
+                    android:layout_width="48dp"
+                    android:layout_height="48dp"
+                    android:elevation="8dp"
+                    android:indeterminateTint="@color/white"
+                    android:padding="8dp"
+                    android:visibility="invisible" />
+
+            </RelativeLayout>
+
         </LinearLayout>
     </androidx.constraintlayout.widget.ConstraintLayout>
 </layout>