convert server selection controller to kotlin

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/src/main/java/com/nextcloud/talk/controllers/ServerSelectionController.java

@@ -1,387 +0,0 @@
-/*
- * Nextcloud Talk application
- *
- * @author Andy Scherzinger
- * @author Mario Danic
- * Copyright (C) 2021 Andy Scherzinger (info@andy-scherzinger.de)
- * Copyright (C) 2017 Mario Danic (mario@lovelyhq.com)
- *
- * This program 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 of the License, or
- * at your option) any later version.
- *
- * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.nextcloud.talk.controllers;
-
-import android.annotation.SuppressLint;
-import android.content.Intent;
-import android.content.pm.ActivityInfo;
-import android.net.Uri;
-import android.os.Bundle;
-import android.security.KeyChain;
-import android.text.TextUtils;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.inputmethod.EditorInfo;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-
-import com.bluelinelabs.conductor.RouterTransaction;
-import com.bluelinelabs.conductor.changehandler.HorizontalChangeHandler;
-import com.google.android.material.textfield.TextInputEditText;
-import com.google.android.material.textfield.TextInputLayout;
-import com.nextcloud.talk.R;
-import com.nextcloud.talk.api.NcApi;
-import com.nextcloud.talk.application.NextcloudTalkApplication;
-import com.nextcloud.talk.controllers.base.BaseController;
-import com.nextcloud.talk.utils.AccountUtils;
-import com.nextcloud.talk.utils.ApiUtils;
-import com.nextcloud.talk.utils.DisplayUtils;
-import com.nextcloud.talk.utils.bundle.BundleKeys;
-import com.nextcloud.talk.utils.database.user.UserUtils;
-import com.nextcloud.talk.utils.preferences.AppPreferences;
-import com.nextcloud.talk.utils.singletons.ApplicationWideMessageHolder;
-
-import java.security.cert.CertificateException;
-
-import javax.inject.Inject;
-
-import androidx.annotation.NonNull;
-import androidx.core.content.res.ResourcesCompat;
-import autodagger.AutoInjector;
-import butterknife.BindView;
-import butterknife.OnClick;
-import io.reactivex.android.schedulers.AndroidSchedulers;
-import io.reactivex.disposables.Disposable;
-import io.reactivex.schedulers.Schedulers;
-
-@AutoInjector(NextcloudTalkApplication.class)
-public class ServerSelectionController extends BaseController {
-
-    public static final String TAG = "ServerSelectionController";
-
-    @BindView(R.id.serverEntryTextInputLayout)
-    TextInputLayout serverEntryTextInputLayout;
-    @BindView(R.id.serverEntryTextInputEditText)
-    TextInputEditText serverEntryTextInputEditText;
-    @BindView(R.id.serverEntryProgressBar)
-    LinearLayout progressBar;
-    @BindView(R.id.error_text)
-    TextView errorText;
-    @BindView(R.id.host_url_input_helper_text)
-    TextView hostUrlInputHelperText;
-    @BindView(R.id.helper_text_view)
-    TextView providersTextView;
-    @BindView(R.id.cert_text_view)
-    TextView certTextView;
-
-    @Inject
-    NcApi ncApi;
-
-    @Inject
-    UserUtils userUtils;
-
-    @Inject
-    AppPreferences appPreferences;
-
-    private Disposable statusQueryDisposable;
-
-    @NonNull
-    @Override
-    protected View inflateView(@NonNull LayoutInflater inflater, @NonNull ViewGroup container) {
-        return inflater.inflate(R.layout.controller_server_selection, container, false);
-    }
-
-    @SuppressLint("LongLogTag")
-    @OnClick(R.id.cert_text_view)
-    public void onCertClick() {
-        if (getActivity() != null) {
-            KeyChain.choosePrivateKeyAlias(getActivity(), alias -> {
-                if (alias != null) {
-                    appPreferences.setTemporaryClientCertAlias(alias);
-                } else {
-                    appPreferences.removeTemporaryClientCertAlias();
-                }
-
-                setCertTextView();
-            }, new String[]{"RSA", "EC"}, null, null, -1, null);
-        }
-    }
-
-    @Override
-    protected void onViewBound(@NonNull View view) {
-        super.onViewBound(view);
-        NextcloudTalkApplication.Companion.getSharedApplication().getComponentApplication().inject(this);
-
-        if (getActivity() != null) {
-            getActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
-        }
-
-        if (getActionBar() != null) {
-            getActionBar().hide();
-        }
-
-        hostUrlInputHelperText.setText(String.format(
-                getResources().getString(R.string.nc_server_helper_text),
-                getResources().getString(R.string.nc_server_product_name))
-        );
-
-        serverEntryTextInputLayout.setEndIconOnClickListener(view1 -> checkServerAndProceed());
-
-        if (getResources().getBoolean(R.bool.hide_auth_cert)) {
-            certTextView.setVisibility(View.GONE);
-        }
-
-        if (getResources().getBoolean(R.bool.hide_provider) ||
-                TextUtils.isEmpty(getResources().getString(R.string.nc_providers_url)) && 
-                        (TextUtils.isEmpty(getResources().getString(R.string.nc_import_account_type)))) {
-            providersTextView.setVisibility(View.INVISIBLE);
-        } else {
-            if ((TextUtils.isEmpty(getResources
-                    ().getString(R.string.nc_import_account_type)) ||
-                    AccountUtils.INSTANCE.findAccounts(userUtils.getUsers()).size() == 0) &&
-                    userUtils.getUsers().size() == 0) {
-
-                providersTextView.setText(R.string.nc_get_from_provider);
-                providersTextView.setOnClickListener(view12 -> {
-                    Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(getResources()
-                            .getString(R.string.nc_providers_url)));
-                    startActivity(browserIntent);
-                });
-            } else if (AccountUtils.INSTANCE.findAccounts(userUtils.getUsers()).size() > 0) {
-                if (!TextUtils.isEmpty(AccountUtils.INSTANCE.getAppNameBasedOnPackage(getResources()
-                        .getString(R.string.nc_import_accounts_from)))) {
-                    if (AccountUtils.INSTANCE.findAccounts(userUtils.getUsers()).size() > 1) {
-                        providersTextView.setText(String.format(getResources().getString(R.string
-                                .nc_server_import_accounts), AccountUtils.INSTANCE.getAppNameBasedOnPackage(getResources()
-                                .getString(R.string.nc_import_accounts_from))));
-                    } else {
-                        providersTextView.setText(String.format(getResources().getString(R.string
-                                .nc_server_import_account), AccountUtils.INSTANCE.getAppNameBasedOnPackage(getResources()
-                                .getString(R.string.nc_import_accounts_from))));
-                    }
-                } else {
-                    if (AccountUtils.INSTANCE.findAccounts(userUtils.getUsers()).size() > 1) {
-                        providersTextView.setText(getResources().getString(R.string.nc_server_import_accounts_plain));
-                    } else {
-                        providersTextView.setText(getResources().getString(R.string
-                                .nc_server_import_account_plain));
-                    }
-                }
-
-                providersTextView.setOnClickListener(view13 -> {
-                    Bundle bundle = new Bundle();
-                    bundle.putBoolean(BundleKeys.INSTANCE.getKEY_IS_ACCOUNT_IMPORT(), true);
-                    getRouter().pushController(RouterTransaction.with(
-                            new SwitchAccountController(bundle))
-                            .pushChangeHandler(new HorizontalChangeHandler())
-                            .popChangeHandler(new HorizontalChangeHandler()));
-                });
-            } else {
-                providersTextView.setVisibility(View.INVISIBLE);
-            }
-        }
-
-        serverEntryTextInputEditText.requestFocus();
-        
-        if (!TextUtils.isEmpty(getResources().getString(R.string.weblogin_url))) {
-            serverEntryTextInputEditText.setText(getResources().getString(R.string.weblogin_url));
-            checkServerAndProceed();
-        }
-
-        serverEntryTextInputEditText.setOnEditorActionListener((textView, i, keyEvent) -> {
-            if (i == EditorInfo.IME_ACTION_DONE) {
-                checkServerAndProceed();
-            }
-
-            return false;
-        });
-    }
-
-    private void checkServerAndProceed() {
-        dispose();
-
-        String url = serverEntryTextInputEditText.getText().toString().trim();
-
-        serverEntryTextInputEditText.setEnabled(false);
-        showProgressBar();
-        if (providersTextView.getVisibility() != View.INVISIBLE) {
-            providersTextView.setVisibility(View.INVISIBLE);
-            certTextView.setVisibility(View.INVISIBLE);
-        }
-
-        if (url.endsWith("/")) {
-            url = url.substring(0, url.length() - 1);
-        }
-
-        String queryUrl = url + ApiUtils.getUrlPostfixForStatus();
-
-        if (url.startsWith("http://") || url.startsWith("https://")) {
-            checkServer(queryUrl, false);
-        } else {
-            checkServer("https://" + queryUrl, true);
-        }
-    }
-
-    private void checkServer(String queryUrl, boolean checkForcedHttps) {
-        statusQueryDisposable = ncApi.getServerStatus(queryUrl)
-                .subscribeOn(Schedulers.io())
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(status -> {
-                    String productName = getResources().getString(R.string.nc_server_product_name);
-
-                    String versionString = status.getVersion().substring(0, status.getVersion().indexOf("."));
-                    int version = Integer.parseInt(versionString);
-                    if (status.isInstalled() && !status.isMaintenance() &&
-                            !status.isNeedsUpgrade() &&
-                            version >= 13) {
-
-                        getRouter().pushController(RouterTransaction.with(
-                                new WebViewLoginController(queryUrl.replace("/status.php", ""),
-                                        false))
-                                .pushChangeHandler(new HorizontalChangeHandler())
-                                .popChangeHandler(new HorizontalChangeHandler()));
-                    } else if (!status.isInstalled()) {
-                        setErrorText(String.format(
-                                getResources().getString(R.string.nc_server_not_installed), productName));
-                    } else if (status.isNeedsUpgrade()) {
-                        setErrorText(String.format(getResources().
-                                        getString(R.string.nc_server_db_upgrade_needed),
-                                productName));
-                    } else if (status.isMaintenance()) {
-                        setErrorText(String.format(getResources().
-                                        getString(R.string.nc_server_maintenance),
-                                productName));
-                    } else if (!status.getVersion().startsWith("13.")) {
-                        setErrorText(String.format(getResources().
-                                        getString(R.string.nc_server_version),
-                                getResources().getString(R.string.nc_app_product_name),
-                                productName));
-                    }
-
-                }, throwable -> {
-                    if (checkForcedHttps) {
-                        checkServer(queryUrl.replace("https://", "http://"), false);
-                    } else {
-                        if (throwable.getLocalizedMessage() != null) {
-                            setErrorText(throwable.getLocalizedMessage());
-                        } else if (throwable.getCause() instanceof CertificateException) {
-                            setErrorText(getResources().getString(R.string.nc_certificate_error));
-                        } else {
-                            hideProgressBar();
-                        }
-
-                        if (serverEntryTextInputEditText != null) {
-                            serverEntryTextInputEditText.setEnabled(true);
-                        }
-
-                        if (providersTextView.getVisibility() != View.INVISIBLE) {
-                            providersTextView.setVisibility(View.VISIBLE);
-                            certTextView.setVisibility(View.VISIBLE);
-                        }
-
-                        dispose();
-                    }
-                }, () -> {
-                    hideProgressBar();
-                    if (providersTextView.getVisibility() != View.INVISIBLE) {
-                        providersTextView.setVisibility(View.VISIBLE);
-                        certTextView.setVisibility(View.VISIBLE);
-                    }
-                    dispose();
-                });
-    }
-
-    private void setErrorText(String text) {
-        errorText.setText(text);
-        errorText.setVisibility(View.VISIBLE);
-        progressBar.setVisibility(View.GONE);
-    }
-
-    private void showProgressBar() {
-        errorText.setVisibility(View.GONE);
-        progressBar.setVisibility(View.VISIBLE);
-    }
-
-    private void hideProgressBar() {
-        errorText.setVisibility(View.GONE);
-        progressBar.setVisibility(View.INVISIBLE);
-    }
-
-    @Override
-    protected void onAttach(@NonNull View view) {
-        super.onAttach(view);
-        if (ApplicationWideMessageHolder.getInstance().getMessageType() != null) {
-            if (ApplicationWideMessageHolder.getInstance().getMessageType()
-                    .equals(ApplicationWideMessageHolder.MessageType.ACCOUNT_SCHEDULED_FOR_DELETION)) {
-                setErrorText(getResources().getString(R.string.nc_account_scheduled_for_deletion));
-                ApplicationWideMessageHolder.getInstance().setMessageType(null);
-            } else if (ApplicationWideMessageHolder.getInstance().getMessageType()
-                    .equals(ApplicationWideMessageHolder.MessageType.SERVER_WITHOUT_TALK)) {
-                setErrorText(getResources().getString(R.string.nc_settings_no_talk_installed));
-            } else if (ApplicationWideMessageHolder.getInstance().getMessageType()
-                    .equals(ApplicationWideMessageHolder.MessageType.FAILED_TO_IMPORT_ACCOUNT)) {
-                setErrorText(getResources().getString(R.string.nc_server_failed_to_import_account));
-            }
-            ApplicationWideMessageHolder.getInstance().setMessageType(null);
-        }
-
-        if (getActivity() != null && getResources() != null) {
-            DisplayUtils.applyColorToStatusBar(getActivity(), ResourcesCompat.getColor(getResources(), R.color.colorPrimary, null));
-            DisplayUtils.applyColorToNavigationBar(getActivity().getWindow(), ResourcesCompat.getColor(getResources(), R.color.colorPrimary, null));
-        }
-
-        setCertTextView();
-    }
-
-    private void setCertTextView() {
-        if (getActivity() != null) {
-            getActivity().runOnUiThread(() -> {
-                if (!TextUtils.isEmpty(appPreferences.getTemporaryClientCertAlias())) {
-                    certTextView.setText(R.string.nc_change_cert_auth);
-                } else {
-                    certTextView.setText(R.string.nc_configure_cert_auth);
-                }
-
-                hideProgressBar();
-            });
-        }
-    }
-
-    @Override
-    protected void onDestroyView(@NonNull View view) {
-        super.onDestroyView(view);
-        if (getActivity() != null) {
-            getActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);
-        }
-    }
-
-    @Override
-    public void onDestroy() {
-        super.onDestroy();
-        dispose();
-    }
-
-    private void dispose() {
-        if (statusQueryDisposable != null && !statusQueryDisposable.isDisposed()) {
-            statusQueryDisposable.dispose();
-        }
-
-        statusQueryDisposable = null;
-    }
-
-    @Override
-    public AppBarLayoutType getAppBarLayoutType() {
-        return AppBarLayoutType.EMPTY;
-    }
-}

app/src/main/java/com/nextcloud/talk/controllers/ServerSelectionController.kt

@@ -0,0 +1,373 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Andy Scherzinger
+ * @author Mario Danic
+ * Copyright (C) 2021 Andy Scherzinger (info@andy-scherzinger.de)
+ * Copyright (C) 2017 Mario Danic (mario@lovelyhq.com)
+ *
+ * This program 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 of the License, or
+ * at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.nextcloud.talk.controllers
+
+import android.content.Intent
+import android.content.pm.ActivityInfo
+import android.net.Uri
+import android.os.Bundle
+import android.security.KeyChain
+import android.text.TextUtils
+import android.view.KeyEvent
+import android.view.View
+import android.view.inputmethod.EditorInfo
+import android.widget.TextView
+import androidx.core.content.res.ResourcesCompat
+import autodagger.AutoInjector
+import com.bluelinelabs.conductor.RouterTransaction
+import com.bluelinelabs.conductor.changehandler.HorizontalChangeHandler
+import com.nextcloud.talk.R
+import com.nextcloud.talk.api.NcApi
+import com.nextcloud.talk.application.NextcloudTalkApplication
+import com.nextcloud.talk.application.NextcloudTalkApplication.Companion.sharedApplication
+import com.nextcloud.talk.controllers.base.NewBaseController
+import com.nextcloud.talk.controllers.util.viewBinding
+import com.nextcloud.talk.databinding.ControllerServerSelectionBinding
+import com.nextcloud.talk.models.database.UserEntity
+import com.nextcloud.talk.models.json.generic.Status
+import com.nextcloud.talk.utils.AccountUtils.findAccounts
+import com.nextcloud.talk.utils.AccountUtils.getAppNameBasedOnPackage
+import com.nextcloud.talk.utils.ApiUtils
+import com.nextcloud.talk.utils.DisplayUtils
+import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_IS_ACCOUNT_IMPORT
+import com.nextcloud.talk.utils.database.user.UserUtils
+import com.nextcloud.talk.utils.singletons.ApplicationWideMessageHolder
+import io.reactivex.android.schedulers.AndroidSchedulers
+import io.reactivex.disposables.Disposable
+import io.reactivex.schedulers.Schedulers
+import java.security.cert.CertificateException
+import javax.inject.Inject
+
+@AutoInjector(NextcloudTalkApplication::class)
+class ServerSelectionController : NewBaseController(R.layout.controller_server_selection) {
+    private val binding: ControllerServerSelectionBinding by viewBinding(ControllerServerSelectionBinding::bind)
+
+    override val appBarLayoutType: AppBarLayoutType
+        get() = AppBarLayoutType.EMPTY
+
+    @Inject
+    lateinit var ncApi: NcApi
+
+    @Inject
+    lateinit var userUtils: UserUtils
+
+    private var statusQueryDisposable: Disposable? = null
+
+    fun onCertClick() {
+        if (activity != null) {
+            KeyChain.choosePrivateKeyAlias(activity!!, { alias: String? ->
+                if (alias != null) {
+                    appPreferences!!.temporaryClientCertAlias = alias
+                } else {
+                    appPreferences!!.removeTemporaryClientCertAlias()
+                }
+                setCertTextView()
+            }, arrayOf("RSA", "EC"), null, null, -1, null)
+        }
+    }
+
+    override fun onViewBound(view: View) {
+        super.onViewBound(view)
+        sharedApplication!!.componentApplication.inject(this)
+        if (activity != null) {
+            activity!!.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
+        }
+
+        actionBar?.hide()
+
+        binding.hostUrlInputHelperText.setText(
+            String.format(
+                resources!!.getString(R.string.nc_server_helper_text),
+                resources!!.getString(R.string.nc_server_product_name)
+            )
+        )
+        binding.serverEntryTextInputLayout.setEndIconOnClickListener { checkServerAndProceed() }
+        if (resources!!.getBoolean(R.bool.hide_auth_cert)) {
+            binding.certTextView.visibility = View.GONE
+        }
+        if (resources!!.getBoolean(R.bool.hide_provider) ||
+            TextUtils.isEmpty(resources!!.getString(R.string.nc_providers_url)) &&
+            TextUtils.isEmpty(resources!!.getString(R.string.nc_import_account_type))
+        ) {
+            binding.helperTextView.visibility = View.INVISIBLE
+        } else {
+            if ((TextUtils.isEmpty(resources!!.getString(R.string.nc_import_account_type)) ||
+                    findAccounts(userUtils.users as List<UserEntity>).isEmpty()) &&
+                userUtils.users.size == 0
+            ) {
+                binding.helperTextView.setText(R.string.nc_get_from_provider)
+                binding.helperTextView.setOnClickListener {
+                    val browserIntent = Intent(
+                        Intent.ACTION_VIEW, Uri.parse(
+                            resources!!
+                                .getString(R.string.nc_providers_url)
+                        )
+                    )
+                    startActivity(browserIntent)
+                }
+            } else if (findAccounts(userUtils.users as List<UserEntity>).size > 0) {
+                if (!TextUtils.isEmpty(
+                        getAppNameBasedOnPackage(
+                            resources!!
+                                .getString(R.string.nc_import_accounts_from)
+                        )
+                    )
+                ) {
+                    if (findAccounts(userUtils.users as List<UserEntity>).size > 1) {
+                        binding.helperTextView.setText(
+                            String.format(
+                                resources!!.getString(R.string.nc_server_import_accounts), getAppNameBasedOnPackage(
+                                    resources!!
+                                        .getString(R.string.nc_import_accounts_from)
+                                )
+                            )
+                        )
+                    } else {
+                        binding.helperTextView.setText(
+                            String.format(
+                                resources!!.getString(R.string.nc_server_import_account), getAppNameBasedOnPackage(
+                                    resources!!
+                                        .getString(R.string.nc_import_accounts_from)
+                                )
+                            )
+                        )
+                    }
+                } else {
+                    if (findAccounts(userUtils.users as List<UserEntity>).size > 1) {
+                        binding.helperTextView.text = resources!!.getString(R.string.nc_server_import_accounts_plain)
+                    } else {
+                        binding.helperTextView.text = resources!!.getString(R.string.nc_server_import_account_plain)
+                    }
+                }
+                binding.helperTextView.setOnClickListener {
+                    val bundle = Bundle()
+                    bundle.putBoolean(KEY_IS_ACCOUNT_IMPORT, true)
+                    router.pushController(
+                        RouterTransaction.with(
+                            SwitchAccountController(bundle)
+                        )
+                            .pushChangeHandler(HorizontalChangeHandler())
+                            .popChangeHandler(HorizontalChangeHandler())
+                    )
+                }
+            } else {
+                binding.helperTextView.visibility = View.INVISIBLE
+            }
+        }
+        binding.serverEntryTextInputEditText.requestFocus()
+        if (!TextUtils.isEmpty(resources!!.getString(R.string.weblogin_url))) {
+            binding.serverEntryTextInputEditText.setText(resources!!.getString(R.string.weblogin_url))
+            checkServerAndProceed()
+        }
+        binding.serverEntryTextInputEditText.setOnEditorActionListener { _: TextView?, i: Int, _: KeyEvent? ->
+            if (i == EditorInfo.IME_ACTION_DONE) {
+                checkServerAndProceed()
+            }
+            false
+        }
+        binding.certTextView.setOnClickListener { onCertClick() }
+    }
+
+    private fun checkServerAndProceed() {
+        dispose()
+        var url: String = binding.serverEntryTextInputEditText.text.toString().trim { it <= ' ' }
+        binding.serverEntryTextInputEditText.isEnabled = false
+        showserverEntryProgressBar()
+        if (binding.helperTextView.visibility != View.INVISIBLE) {
+            binding.helperTextView.visibility = View.INVISIBLE
+            binding.certTextView.visibility = View.INVISIBLE
+        }
+        if (url.endsWith("/")) {
+            url = url.substring(0, url.length - 1)
+        }
+        val queryUrl = url + ApiUtils.getUrlPostfixForStatus()
+        if (url.startsWith("http://") || url.startsWith("https://")) {
+            checkServer(queryUrl, false)
+        } else {
+            checkServer("https://$queryUrl", true)
+        }
+    }
+
+    private fun checkServer(queryUrl: String, checkForcedHttps: Boolean) {
+        statusQueryDisposable = ncApi.getServerStatus(queryUrl)
+            .subscribeOn(Schedulers.io())
+            .observeOn(AndroidSchedulers.mainThread())
+            .subscribe({ status: Status ->
+                val productName = resources!!.getString(R.string.nc_server_product_name)
+                val versionString: String = status.getVersion().substring(0, status.getVersion().indexOf("."))
+                val version: Int = versionString.toInt()
+                if (status.isInstalled && !status.isMaintenance &&
+                    !status.isNeedsUpgrade && version >= 13
+                ) {
+                    router.pushController(
+                        RouterTransaction.with(
+                            WebViewLoginController(
+                                queryUrl.replace("/status.php", ""),
+                                false
+                            )
+                        )
+                            .pushChangeHandler(HorizontalChangeHandler())
+                            .popChangeHandler(HorizontalChangeHandler())
+                    )
+                } else if (!status.isInstalled) {
+                    setErrorText(
+                        String.format(
+                            resources!!.getString(R.string.nc_server_not_installed), productName
+                        )
+                    )
+                } else if (status.isNeedsUpgrade) {
+                    setErrorText(
+                        String.format(
+                            resources!!.getString(R.string.nc_server_db_upgrade_needed),
+                            productName
+                        )
+                    )
+                } else if (status.isMaintenance) {
+                    setErrorText(
+                        String.format(
+                            resources!!.getString(R.string.nc_server_maintenance),
+                            productName
+                        )
+                    )
+                } else if (!status.getVersion().startsWith("13.")) {
+                    setErrorText(
+                        String.format(
+                            resources!!.getString(R.string.nc_server_version),
+                            resources!!.getString(R.string.nc_app_product_name),
+                            productName
+                        )
+                    )
+                }
+            }, { throwable: Throwable ->
+                if (checkForcedHttps) {
+                    checkServer(queryUrl.replace("https://", "http://"), false)
+                } else {
+                    if (throwable.localizedMessage != null) {
+                        setErrorText(throwable.localizedMessage)
+                    } else if (throwable.cause is CertificateException) {
+                        setErrorText(resources!!.getString(R.string.nc_certificate_error))
+                    } else {
+                        hideserverEntryProgressBar()
+                    }
+
+                    binding.serverEntryTextInputEditText.isEnabled = true
+
+                    if (binding.helperTextView.visibility != View.INVISIBLE) {
+                        binding.helperTextView.visibility = View.VISIBLE
+                        binding.certTextView.visibility = View.VISIBLE
+                    }
+                    dispose()
+                }
+            }) {
+                hideserverEntryProgressBar()
+                if (binding.helperTextView.visibility != View.INVISIBLE) {
+                    binding.helperTextView.visibility = View.VISIBLE
+                    binding.certTextView.visibility = View.VISIBLE
+                }
+                dispose()
+            }
+    }
+
+    private fun setErrorText(text: String) {
+        binding.errorText.text = text
+        binding.errorText.visibility = View.VISIBLE
+        binding.serverEntryProgressBar.visibility = View.GONE
+    }
+
+    private fun showserverEntryProgressBar() {
+        binding.errorText.visibility = View.GONE
+        binding.serverEntryProgressBar.visibility = View.VISIBLE
+    }
+
+    private fun hideserverEntryProgressBar() {
+        binding.errorText.visibility = View.GONE
+        binding.serverEntryProgressBar.visibility = View.INVISIBLE
+    }
+
+    override fun onAttach(view: View) {
+        super.onAttach(view)
+        if (ApplicationWideMessageHolder.getInstance().messageType != null) {
+            if (ApplicationWideMessageHolder.getInstance().messageType
+                == ApplicationWideMessageHolder.MessageType.ACCOUNT_SCHEDULED_FOR_DELETION
+            ) {
+                setErrorText(resources!!.getString(R.string.nc_account_scheduled_for_deletion))
+                ApplicationWideMessageHolder.getInstance().messageType = null
+            } else if (ApplicationWideMessageHolder.getInstance().messageType
+                == ApplicationWideMessageHolder.MessageType.SERVER_WITHOUT_TALK
+            ) {
+                setErrorText(resources!!.getString(R.string.nc_settings_no_talk_installed))
+            } else if (ApplicationWideMessageHolder.getInstance().messageType
+                == ApplicationWideMessageHolder.MessageType.FAILED_TO_IMPORT_ACCOUNT
+            ) {
+                setErrorText(resources!!.getString(R.string.nc_server_failed_to_import_account))
+            }
+            ApplicationWideMessageHolder.getInstance().messageType = null
+        }
+        if (activity != null && resources != null) {
+            DisplayUtils.applyColorToStatusBar(
+                activity,
+                ResourcesCompat.getColor(resources!!, R.color.colorPrimary, null)
+            )
+            DisplayUtils.applyColorToNavigationBar(
+                activity!!.window,
+                ResourcesCompat.getColor(resources!!, R.color.colorPrimary, null)
+            )
+        }
+        setCertTextView()
+    }
+
+    private fun setCertTextView() {
+        if (activity != null) {
+            activity!!.runOnUiThread {
+                if (!TextUtils.isEmpty(appPreferences!!.temporaryClientCertAlias)) {
+                    binding.certTextView.setText(R.string.nc_change_cert_auth)
+                } else {
+                    binding.certTextView.setText(R.string.nc_configure_cert_auth)
+                }
+                hideserverEntryProgressBar()
+            }
+        }
+    }
+
+    override fun onDestroyView(view: View) {
+        super.onDestroyView(view)
+        if (activity != null) {
+            activity!!.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
+        }
+    }
+
+    public override fun onDestroy() {
+        super.onDestroy()
+        dispose()
+    }
+
+    private fun dispose() {
+        if (statusQueryDisposable != null && !statusQueryDisposable!!.isDisposed) {
+            statusQueryDisposable!!.dispose()
+        }
+        statusQueryDisposable = null
+    }
+
+    companion object {
+        const val TAG = "ServerSelectionController"
+    }
+}