386 lines
16 KiB
Kotlin
386 lines
16 KiB
Kotlin
package org.moire.ultrasonic.fragment
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import android.app.AlertDialog
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import android.os.Bundle
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.widget.Button
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import androidx.fragment.app.Fragment
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import androidx.lifecycle.Observer
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import androidx.navigation.fragment.findNavController
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import com.google.android.material.switchmaterial.SwitchMaterial
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import com.google.android.material.textfield.TextInputLayout
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import java.net.MalformedURLException
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import java.net.URL
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import org.koin.android.ext.android.inject
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import org.koin.android.viewmodel.ext.android.viewModel
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import org.moire.ultrasonic.BuildConfig
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import org.moire.ultrasonic.R
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import org.moire.ultrasonic.api.subsonic.SubsonicAPIClient
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import org.moire.ultrasonic.api.subsonic.SubsonicAPIVersions
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import org.moire.ultrasonic.api.subsonic.SubsonicClientConfiguration
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import org.moire.ultrasonic.data.ActiveServerProvider
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import org.moire.ultrasonic.data.ServerSetting
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import org.moire.ultrasonic.service.ApiCallResponseChecker
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import org.moire.ultrasonic.service.MusicServiceFactory
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import org.moire.ultrasonic.util.Constants
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import org.moire.ultrasonic.util.ErrorDialog
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import org.moire.ultrasonic.util.ModalBackgroundTask
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import org.moire.ultrasonic.util.Util
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import timber.log.Timber
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/**
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* Displays a form where server settings can be created / edited
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*/
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class EditServerFragment : Fragment(), OnBackPressedHandler {
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companion object {
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const val EDIT_SERVER_INTENT_INDEX = "index"
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}
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private val serverSettingsModel: ServerSettingsModel by viewModel()
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private val activeServerProvider: ActiveServerProvider by inject()
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private var currentServerSetting: ServerSetting? = null
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private var serverNameEditText: TextInputLayout? = null
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private var serverAddressEditText: TextInputLayout? = null
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private var userNameEditText: TextInputLayout? = null
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private var passwordEditText: TextInputLayout? = null
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private var selfSignedSwitch: SwitchMaterial? = null
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private var ldapSwitch: SwitchMaterial? = null
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private var jukeboxSwitch: SwitchMaterial? = null
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private var saveButton: Button? = null
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private var testButton: Button? = null
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private var isInstanceStateSaved: Boolean = false
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@Override
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override fun onCreate(savedInstanceState: Bundle?) {
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Util.applyTheme(this.context)
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super.onCreate(savedInstanceState)
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}
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override fun onCreateView(
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inflater: LayoutInflater,
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container: ViewGroup?,
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savedInstanceState: Bundle?
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): View? {
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return inflater.inflate(R.layout.server_edit, container, false)
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}
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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serverNameEditText = view.findViewById(R.id.edit_server_name)
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serverAddressEditText = view.findViewById(R.id.edit_server_address)
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userNameEditText = view.findViewById(R.id.edit_server_username)
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passwordEditText = view.findViewById(R.id.edit_server_password)
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selfSignedSwitch = view.findViewById(R.id.edit_self_signed)
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ldapSwitch = view.findViewById(R.id.edit_ldap)
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jukeboxSwitch = view.findViewById(R.id.edit_jukebox)
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saveButton = view.findViewById(R.id.edit_save)
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testButton = view.findViewById(R.id.edit_test)
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val index = arguments?.getInt(
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EDIT_SERVER_INTENT_INDEX,
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-1
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) ?: -1
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if (index != -1) {
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// Editing an existing server
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FragmentTitle.setTitle(this, R.string.server_editor_label)
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val serverSetting = serverSettingsModel.getServerSetting(index)
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serverSetting.observe(
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viewLifecycleOwner,
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Observer { t ->
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if (t != null) {
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currentServerSetting = t
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if (!isInstanceStateSaved) setFields()
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// Remove the minimum API version so it can be detected again
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if (currentServerSetting?.minimumApiVersion != null) {
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currentServerSetting!!.minimumApiVersion = null
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serverSettingsModel.updateItem(currentServerSetting)
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if (
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activeServerProvider.getActiveServer().id ==
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currentServerSetting!!.id
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) {
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MusicServiceFactory.resetMusicService()
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}
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}
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}
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}
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)
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saveButton!!.setOnClickListener {
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if (currentServerSetting != null) {
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if (getFields()) {
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serverSettingsModel.updateItem(currentServerSetting)
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// Apply modifications if the current server was modified
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if (
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activeServerProvider.getActiveServer().id ==
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currentServerSetting!!.id
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) {
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MusicServiceFactory.resetMusicService()
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}
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findNavController().navigateUp()
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}
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}
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}
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} else {
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// Creating a new server
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FragmentTitle.setTitle(this, R.string.server_editor_new_label)
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currentServerSetting = ServerSetting()
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saveButton!!.setOnClickListener {
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if (getFields()) {
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serverSettingsModel.saveNewItem(currentServerSetting)
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findNavController().navigateUp()
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}
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}
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}
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testButton!!.setOnClickListener {
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if (getFields()) {
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testConnection()
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}
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}
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}
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override fun onBackPressed() {
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finishActivity()
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}
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override fun onSaveInstanceState(savedInstanceState: Bundle) {
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savedInstanceState.putString(
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::serverNameEditText.name, serverNameEditText!!.editText?.text.toString()
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)
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savedInstanceState.putString(
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::serverAddressEditText.name, serverAddressEditText!!.editText?.text.toString()
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)
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savedInstanceState.putString(
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::userNameEditText.name, userNameEditText!!.editText?.text.toString()
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)
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savedInstanceState.putString(
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::passwordEditText.name, passwordEditText!!.editText?.text.toString()
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)
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savedInstanceState.putBoolean(
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::selfSignedSwitch.name, selfSignedSwitch!!.isChecked
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)
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savedInstanceState.putBoolean(
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::ldapSwitch.name, ldapSwitch!!.isChecked
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)
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savedInstanceState.putBoolean(
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::jukeboxSwitch.name, jukeboxSwitch!!.isChecked
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)
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savedInstanceState.putBoolean(
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::isInstanceStateSaved.name, true
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)
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super.onSaveInstanceState(savedInstanceState)
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}
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override fun onViewStateRestored(savedInstanceState: Bundle?) {
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super.onViewStateRestored(savedInstanceState)
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if (savedInstanceState == null) return
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serverNameEditText!!.editText?.setText(
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savedInstanceState.getString(::serverNameEditText.name)
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)
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serverAddressEditText!!.editText?.setText(
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savedInstanceState.getString(::serverAddressEditText.name)
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)
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userNameEditText!!.editText?.setText(
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savedInstanceState.getString(::userNameEditText.name)
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)
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passwordEditText!!.editText?.setText(
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savedInstanceState.getString(::passwordEditText.name)
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)
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selfSignedSwitch!!.isChecked = savedInstanceState.getBoolean(::selfSignedSwitch.name)
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ldapSwitch!!.isChecked = savedInstanceState.getBoolean(::ldapSwitch.name)
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jukeboxSwitch!!.isChecked = savedInstanceState.getBoolean(::jukeboxSwitch.name)
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isInstanceStateSaved = savedInstanceState.getBoolean(::isInstanceStateSaved.name)
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}
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/**
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* Sets the values of the Form from the current Server Setting instance
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*/
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private fun setFields() {
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if (currentServerSetting == null) return
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serverNameEditText!!.editText?.setText(currentServerSetting!!.name)
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serverAddressEditText!!.editText?.setText(currentServerSetting!!.url)
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userNameEditText!!.editText?.setText(currentServerSetting!!.userName)
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passwordEditText!!.editText?.setText(currentServerSetting!!.password)
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selfSignedSwitch!!.isChecked = currentServerSetting!!.allowSelfSignedCertificate
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ldapSwitch!!.isChecked = currentServerSetting!!.ldapSupport
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jukeboxSwitch!!.isChecked = currentServerSetting!!.jukeboxByDefault
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}
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/**
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* Retrieves the values in the Form to the current Server Setting instance
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* This function also does some basic validation on the fields
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*/
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private fun getFields(): Boolean {
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if (currentServerSetting == null) return false
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var isValid = true
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var url: URL? = null
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if (serverAddressEditText!!.editText?.text.isNullOrBlank()) {
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serverAddressEditText!!.error = getString(R.string.server_editor_required)
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isValid = false
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} else {
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try {
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val urlString = serverAddressEditText!!.editText?.text.toString()
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url = URL(urlString)
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if (
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urlString != urlString.trim(' ') ||
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urlString.contains("@") ||
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url.host.isNullOrBlank()
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) {
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throw MalformedURLException()
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}
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serverAddressEditText!!.error = null
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} catch (exception: MalformedURLException) {
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serverAddressEditText!!.error = getString(R.string.settings_invalid_url)
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isValid = false
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}
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}
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if (serverNameEditText!!.editText?.text.isNullOrBlank()) {
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if (isValid && url != null) {
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serverNameEditText!!.editText?.setText(url.host)
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}
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}
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if (userNameEditText!!.editText?.text.isNullOrBlank()) {
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userNameEditText!!.error = getString(R.string.server_editor_required)
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isValid = false
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} else {
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userNameEditText!!.error = null
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}
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if (isValid) {
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currentServerSetting!!.name = serverNameEditText!!.editText?.text.toString()
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currentServerSetting!!.url = serverAddressEditText!!.editText?.text.toString()
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currentServerSetting!!.userName = userNameEditText!!.editText?.text.toString()
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currentServerSetting!!.password = passwordEditText!!.editText?.text.toString()
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currentServerSetting!!.allowSelfSignedCertificate = selfSignedSwitch!!.isChecked
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currentServerSetting!!.ldapSupport = ldapSwitch!!.isChecked
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currentServerSetting!!.jukeboxByDefault = jukeboxSwitch!!.isChecked
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}
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return isValid
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}
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/**
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* Checks whether any value in the fields are changed according to their original values.
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*/
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private fun areFieldsChanged(): Boolean {
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if (currentServerSetting == null || currentServerSetting!!.id == -1) {
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return serverNameEditText!!.editText?.text!!.isNotBlank() ||
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serverAddressEditText!!.editText?.text.toString() != "http://" ||
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userNameEditText!!.editText?.text!!.isNotBlank() ||
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passwordEditText!!.editText?.text!!.isNotBlank()
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}
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return currentServerSetting!!.name != serverNameEditText!!.editText?.text.toString() ||
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currentServerSetting!!.url != serverAddressEditText!!.editText?.text.toString() ||
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currentServerSetting!!.userName != userNameEditText!!.editText?.text.toString() ||
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currentServerSetting!!.password != passwordEditText!!.editText?.text.toString() ||
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currentServerSetting!!.allowSelfSignedCertificate != selfSignedSwitch!!.isChecked ||
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currentServerSetting!!.ldapSupport != ldapSwitch!!.isChecked ||
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currentServerSetting!!.jukeboxByDefault != jukeboxSwitch!!.isChecked
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}
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/**
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* Tests if the network connection to the entered Server Settings can be made
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*/
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private fun testConnection() {
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val task: ModalBackgroundTask<Boolean> = object : ModalBackgroundTask<Boolean>(
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activity,
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false
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) {
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@Throws(Throwable::class)
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override fun doInBackground(): Boolean {
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updateProgress(R.string.settings_testing_connection)
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val configuration = SubsonicClientConfiguration(
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currentServerSetting!!.url,
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currentServerSetting!!.userName,
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currentServerSetting!!.password,
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SubsonicAPIVersions.getClosestKnownClientApiVersion(
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Constants.REST_PROTOCOL_VERSION
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),
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Constants.REST_CLIENT_ID,
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currentServerSetting!!.allowSelfSignedCertificate,
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currentServerSetting!!.ldapSupport,
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BuildConfig.DEBUG
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)
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val subsonicApiClient = SubsonicAPIClient(configuration)
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// Execute a ping to retrieve the API version.
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// This is accepted to fail if the authentication is incorrect yet.
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var pingResponse = subsonicApiClient.api.ping().execute()
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if (pingResponse.body() != null) {
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val restApiVersion = pingResponse.body()!!.version.restApiVersion
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currentServerSetting!!.minimumApiVersion = restApiVersion
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Timber.i("Server minimum API version set to %s", restApiVersion)
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}
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// Execute a ping to check the authentication, now using the correct API version.
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pingResponse = subsonicApiClient.api.ping().execute()
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ApiCallResponseChecker.checkResponseSuccessful(pingResponse)
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val licenseResponse = subsonicApiClient.api.getLicense().execute()
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ApiCallResponseChecker.checkResponseSuccessful(licenseResponse)
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return licenseResponse.body()!!.license.valid
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}
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override fun done(licenseValid: Boolean) {
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if (licenseValid) {
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Util.toast(activity, R.string.settings_testing_ok)
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} else {
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Util.toast(activity, R.string.settings_testing_unlicensed)
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}
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}
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override fun error(error: Throwable) {
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Timber.w(error)
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ErrorDialog(
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activity,
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String.format(
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"%s %s",
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resources.getString(R.string.settings_connection_failure),
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getErrorMessage(error)
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),
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false
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)
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}
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}
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task.execute()
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}
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/**
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* Finishes the Activity, after confirmation from the user if needed
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*/
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private fun finishActivity() {
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if (areFieldsChanged()) {
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AlertDialog.Builder(context)
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.setIcon(android.R.drawable.ic_dialog_alert)
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.setTitle(R.string.common_confirm)
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.setMessage(R.string.server_editor_leave_confirmation)
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.setPositiveButton(R.string.common_ok) { dialog, _ ->
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dialog.dismiss()
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Util.hideKeyboard(activity)
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findNavController().navigateUp()
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}
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.setNegativeButton(R.string.common_cancel) { dialog, _ ->
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dialog.dismiss()
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}
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.show()
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} else {
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Util.hideKeyboard(activity)
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findNavController().navigateUp()
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}
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}
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}
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