/* * This file is part of GNU Taler * (C) 2020 Taler Systems S.A. * * GNU Taler is free software; you can redistribute it and/or modify it under the * terms of the GNU General Public License as published by the Free Software * Foundation; either version 3, or (at your option) any later version. * * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR * A PARTICULAR PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with * GNU Taler; see the file COPYING. If not, see */ package net.taler.cashier.config import android.os.Bundle import android.text.method.LinkMovementMethod import android.view.LayoutInflater import android.view.View import android.view.View.INVISIBLE import android.view.View.VISIBLE import android.view.ViewGroup import android.view.inputmethod.InputMethodManager import androidx.core.content.ContextCompat.getSystemService import androidx.core.text.HtmlCompat import androidx.core.text.HtmlCompat.FROM_HTML_MODE_LEGACY import androidx.fragment.app.Fragment import androidx.fragment.app.activityViewModels import androidx.lifecycle.Observer import androidx.navigation.fragment.findNavController import com.google.android.material.snackbar.BaseTransientBottomBar.LENGTH_LONG import com.google.android.material.snackbar.Snackbar import net.taler.cashier.MainViewModel import net.taler.cashier.R import net.taler.cashier.databinding.FragmentConfigBinding import net.taler.common.exhaustive private const val URL_BANK_TEST = "https://bank.test.taler.net" private const val URL_BANK_TEST_REGISTER = "$URL_BANK_TEST/accounts/register" class ConfigFragment : Fragment() { private val viewModel: MainViewModel by activityViewModels() private val configManager by lazy { viewModel.configManager} private lateinit var ui: FragmentConfigBinding override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): View? { ui = FragmentConfigBinding.inflate(inflater, container, false) return ui.root } override fun onViewCreated(view: View, savedInstanceState: Bundle?) { if (savedInstanceState == null) { if (configManager.config.bankUrl.isBlank()) { ui.urlView.editText!!.setText(URL_BANK_TEST) } else { ui.urlView.editText!!.setText(configManager.config.bankUrl) } ui.usernameView.editText!!.setText(configManager.config.username) ui.passwordView.editText!!.setText(configManager.config.password) } else { ui.urlView.editText!!.setText(savedInstanceState.getCharSequence("urlView")) ui.usernameView.editText!!.setText(savedInstanceState.getCharSequence("usernameView")) ui.passwordView.editText!!.setText(savedInstanceState.getCharSequence("passwordView")) } ui.saveButton.setOnClickListener { val config = Config( bankUrl = ui.urlView.editText!!.text.toString(), username = ui.usernameView.editText!!.text.toString(), password = ui.passwordView.editText!!.text.toString() ) if (checkConfig(config)) { // show progress ui.saveButton.visibility = INVISIBLE ui.progressBar.visibility = VISIBLE // kick off check and observe result configManager.checkAndSaveConfig(config) configManager.configResult.observe(viewLifecycleOwner, onConfigResult) // hide keyboard val inputMethodManager = getSystemService(requireContext(), InputMethodManager::class.java)!! inputMethodManager.hideSoftInputFromWindow(view.windowToken, 0) } } ui.demoView.text = HtmlCompat.fromHtml( getString(R.string.config_demo_hint, URL_BANK_TEST_REGISTER), FROM_HTML_MODE_LEGACY ) ui.demoView.movementMethod = LinkMovementMethod.getInstance() } override fun onStart() { super.onStart() // focus on password if it is the only missing value (like after locking) if (ui.urlView.editText!!.text.isNotBlank() && ui.usernameView.editText!!.text.isNotBlank() && ui.passwordView.editText!!.text.isBlank() ) { ui.passwordView.editText!!.requestFocus() } } override fun onSaveInstanceState(outState: Bundle) { super.onSaveInstanceState(outState) // for some reason automatic restore isn't working at the moment!? outState.putCharSequence("urlView", ui.urlView.editText?.text) outState.putCharSequence("usernameView", ui.usernameView.editText?.text) outState.putCharSequence("passwordView", ui.passwordView.editText?.text) } private fun checkConfig(config: Config): Boolean { if (!config.bankUrl.startsWith("https://")) { ui.urlView.error = getString(R.string.config_bank_url_error) ui.urlView.requestFocus() return false } if (config.username.isBlank()) { ui.usernameView.error = getString(R.string.config_username_error) ui.usernameView.requestFocus() return false } ui.urlView.isErrorEnabled = false return true } private val onConfigResult = Observer { result -> if (result == null) return@Observer when (result) { is ConfigResult.Success -> { val action = ConfigFragmentDirections.actionConfigFragmentToBalanceFragment() findNavController().navigate(action) } ConfigResult.Offline -> { Snackbar.make(requireView(), R.string.config_error_offline, LENGTH_LONG).show() } is ConfigResult.Error -> { if (result.authError) { Snackbar.make(requireView(), R.string.config_error_auth, LENGTH_LONG).show() } else { val str = getString(R.string.config_error, result.msg) Snackbar.make(requireView(), str, LENGTH_LONG).show() } } }.exhaustive ui.saveButton.visibility = VISIBLE ui.progressBar.visibility = INVISIBLE configManager.configResult.removeObservers(viewLifecycleOwner) } }