feat: show instance regions, uptime and registration status in settings

app/src/main/java/com/github/libretube/api/obj/PipedInstance.kt

@@ -17,7 +17,7 @@ data class PipedInstance(
     @SerialName("s3_enabled") val s3Enabled: Boolean = false,
     @SerialName("image_proxy_url") val imageProxyUrl: String = "",
     @SerialName("registration_disabled") val registrationDisabled: Boolean = false,
-    @SerialName("uptime_24h") val uptimeToday: Float = 0f,
+    @SerialName("uptime_24h") val uptimeToday: Float? = null,
-    @SerialName("uptime_7d") val uptimeWeek: Float = 0f,
+    @SerialName("uptime_7d") val uptimeWeek: Float? = null,
-    @SerialName("uptime_30d") val uptimeMonth: Float = 0f
+    @SerialName("uptime_30d") val uptimeMonth: Float? = null
 )

app/src/main/java/com/github/libretube/ui/activities/WelcomeActivity.kt

@@ -48,7 +48,7 @@ class WelcomeActivity : BaseActivity() {
         // ALl the binding values are optional due to two different possible layouts (normal, landscape)
         viewModel.instances.observe(this) { instances ->
             binding.instancesRecycler?.layoutManager = LinearLayoutManager(this@WelcomeActivity)
-            binding.instancesRecycler?.adapter = InstancesAdapter(instances, viewModel) { index ->
+            binding.instancesRecycler?.adapter = InstancesAdapter(instances, viewModel.selectedInstanceIndex.value) { index ->
                 viewModel.selectedInstanceIndex.value = index
                 binding.okay?.alpha = 1f
             }

app/src/main/java/com/github/libretube/ui/adapters/InstancesAdapter.kt

@@ -7,15 +7,14 @@ import androidx.recyclerview.widget.RecyclerView
 import com.github.libretube.R
 import com.github.libretube.api.obj.PipedInstance
 import com.github.libretube.databinding.InstanceRowBinding
-import com.github.libretube.ui.models.WelcomeModel
 import com.github.libretube.ui.viewholders.InstancesViewHolder
 
 class InstancesAdapter(
     private val instances: List<PipedInstance>,
-    viewModel: WelcomeModel,
+    initialSelectionApiIndex: Int?,
     private val onSelectInstance: (index: Int) -> Unit
 ) : RecyclerView.Adapter<InstancesViewHolder>() {
-    private var selectedInstanceIndex = viewModel.selectedInstanceIndex.value
+    private var selectedInstanceIndex = initialSelectionApiIndex?.takeIf { it >= 0 }
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): InstancesViewHolder {
         val layoutInflater = LayoutInflater.from(parent.context)
@@ -28,14 +27,19 @@ class InstancesAdapter(
     @SuppressLint("SetTextI18n")
     override fun onBindViewHolder(holder: InstancesViewHolder, position: Int) {
         val instance = instances[position]
+
         holder.binding.apply {
             var instanceText = "${instance.name} ${instance.locations}"
-            if (instance.cdn) instanceText += " (\uD83C\uDF10 CDN)"
+            if (instance.cdn) {
+                instanceText += " (\uD83C\uDF10 CDN)"
+            }
             if (instance.registrationDisabled) {
                 instanceText +=
                     " (${root.context.getString(R.string.registration_disabled)})"
             }
+            if (instance.uptimeMonth != null) {
                 instanceText += ", " + root.context.getString(R.string.uptime, instance.uptimeMonth)
+            }
             radioButton.text = instanceText
 
             radioButton.setOnCheckedChangeListener(null)

app/src/main/java/com/github/libretube/ui/preferences/InstanceSettings.kt

@@ -1,26 +1,31 @@
 package com.github.libretube.ui.preferences
 
 import android.os.Bundle
+import android.view.LayoutInflater
 import android.widget.Toast
 import androidx.core.app.ActivityCompat
 import androidx.lifecycle.lifecycleScope
 import androidx.preference.ListPreference
 import androidx.preference.Preference
 import androidx.preference.SwitchPreferenceCompat
+import androidx.recyclerview.widget.LinearLayoutManager
 import com.github.libretube.R
 import com.github.libretube.api.InstanceHelper
 import com.github.libretube.api.RetrofitInstance
 import com.github.libretube.api.obj.PipedInstance
 import com.github.libretube.constants.IntentData
 import com.github.libretube.constants.PreferenceKeys
+import com.github.libretube.databinding.SimpleOptionsRecyclerBinding
 import com.github.libretube.db.DatabaseHolder.Database
 import com.github.libretube.extensions.toastFromMainDispatcher
 import com.github.libretube.helpers.PreferenceHelper
+import com.github.libretube.ui.adapters.InstancesAdapter
 import com.github.libretube.ui.base.BasePreferenceFragment
 import com.github.libretube.ui.dialogs.CustomInstanceDialog
 import com.github.libretube.ui.dialogs.DeleteAccountDialog
 import com.github.libretube.ui.dialogs.LoginDialog
 import com.github.libretube.ui.dialogs.LogoutDialog
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -28,6 +33,7 @@ import kotlinx.coroutines.withContext
 class InstanceSettings : BasePreferenceFragment() {
     override val titleResourceId: Int = R.string.instance
     private val token get() = PreferenceHelper.getToken()
+    private var instances = listOf<PipedInstance>()
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.instance_settings, rootKey)
@@ -137,14 +143,11 @@ class InstanceSettings : BasePreferenceFragment() {
         instancePrefs: List<ListPreference>,
         publicInstances: List<PipedInstance>
     ) = runCatching {
-        val customInstanceList = withContext(Dispatchers.IO) {
+        val customInstances = withContext(Dispatchers.IO) {
             Database.customInstanceDao().getAll()
-        }
+        }.map { PipedInstance(it.name, it.apiUrl) }
 
-        val customInstances = customInstanceList
+        instances = publicInstances
-            .map { PipedInstance(it.name, it.apiUrl) }
-
-        val instances = publicInstances
             .plus(customInstances)
             .sortedBy { it.name }
 
@@ -163,6 +166,35 @@ class InstanceSettings : BasePreferenceFragment() {
         }
     }
 
+    override fun onDisplayPreferenceDialog(preference: Preference) {
+        if (preference.key in arrayOf(PreferenceKeys.FETCH_INSTANCE, PreferenceKeys.AUTH_INSTANCE)) {
+            showInstanceSelectionDialog(preference as ListPreference)
+        } else {
+            super.onDisplayPreferenceDialog(preference)
+        }
+    }
+
+    private fun showInstanceSelectionDialog(preference: ListPreference) {
+        var selectedInstance = preference.value
+        val selectedIndex = instances.indexOfFirst { it.apiUrl == selectedInstance }
+
+        val layoutInflater = LayoutInflater.from(context)
+        val binding = SimpleOptionsRecyclerBinding.inflate(layoutInflater)
+        binding.optionsRecycler.layoutManager = LinearLayoutManager(context)
+        binding.optionsRecycler.adapter = InstancesAdapter(instances, selectedIndex) {
+            selectedInstance = instances[it].apiUrl
+        }
+
+        MaterialAlertDialogBuilder(requireContext())
+            .setTitle(preference.title)
+            .setView(binding.root)
+            .setPositiveButton(R.string.okay) { _, _ ->
+                preference.value = selectedInstance
+            }
+            .setNegativeButton(R.string.cancel, null)
+            .show()
+    }
+
     private fun logoutAndUpdateUI() {
         PreferenceHelper.setToken("")
         Toast.makeText(context, getString(R.string.loggedout), Toast.LENGTH_SHORT).show()