Add server selector

app/src/main/java/org/tasks/caldav/BaseCaldavAccountSettingsActivity.kt

@@ -12,10 +12,16 @@ import android.view.inputmethod.InputMethodManager
 import androidx.annotation.StringRes
 import androidx.appcompat.content.res.AppCompatResources
 import androidx.appcompat.widget.Toolbar
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
 import androidx.core.content.ContextCompat
 import androidx.core.widget.addTextChangedListener
 import androidx.lifecycle.lifecycleScope
 import at.bitfire.dav4jvm.exception.HttpException
+import com.google.android.material.composethemeadapter.MdcTheme
 import com.google.android.material.snackbar.BaseTransientBottomBar
 import com.google.android.material.snackbar.Snackbar
 import com.todoroo.astrid.data.Task
@@ -26,7 +32,9 @@ import org.tasks.Strings.isNullOrEmpty
 import org.tasks.analytics.Firebase
 import org.tasks.billing.Inventory
 import org.tasks.billing.PurchaseActivity
+import org.tasks.compose.ServerSelector
 import org.tasks.data.CaldavAccount
+import org.tasks.data.CaldavAccount.Companion.SERVER_UNKNOWN
 import org.tasks.data.CaldavDao
 import org.tasks.databinding.ActivityCaldavAccountSettingsBinding
 import org.tasks.dialogs.DialogBuilder
@@ -52,17 +60,24 @@ abstract class BaseCaldavAccountSettingsActivity : ThemedInjectingAppCompatActiv
 
     protected var caldavAccount: CaldavAccount? = null
     protected lateinit var binding: ActivityCaldavAccountSettingsBinding
+    protected lateinit var serverType: MutableState<Int>
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         binding = ActivityCaldavAccountSettingsBinding.inflate(layoutInflater)
         setContentView(binding.root)
         caldavAccount = if (savedInstanceState == null) intent.getParcelableExtra(EXTRA_CALDAV_DATA) else savedInstanceState.getParcelable(EXTRA_CALDAV_DATA)
+        serverType = mutableStateOf(
+            savedInstanceState?.getInt(EXTRA_SERVER_TYPE, SERVER_UNKNOWN)
+                ?: caldavAccount?.serverType
+                ?: SERVER_UNKNOWN
+        )
         if (caldavAccount == null || caldavAccount!!.id == Task.NO_ID) {
             binding.nameLayout.visibility = View.GONE
             binding.description.visibility = View.VISIBLE
             binding.description.setText(description)
             Linkify.safeLinkify(binding.description, android.text.util.Linkify.WEB_URLS)
+            serverType.value = SERVER_UNKNOWN
         } else {
             binding.nameLayout.visibility = View.VISIBLE
             binding.description.visibility = View.GONE
@@ -80,6 +95,7 @@ abstract class BaseCaldavAccountSettingsActivity : ThemedInjectingAppCompatActiv
                 if (!isNullOrEmpty(it.password)) {
                     binding.password.setText(PASSWORD_MASK)
                 }
+                serverType.value = it.serverType
             }
         }
         val toolbar = binding.toolbar.toolbar
@@ -116,6 +132,15 @@ abstract class BaseCaldavAccountSettingsActivity : ThemedInjectingAppCompatActiv
             onTextChanged = { _, _, _, _ -> binding.passwordLayout.error = null }
         )
         binding.password.setOnFocusChangeListener { _, hasFocus -> onPasswordFocused(hasFocus) }
+        binding.serverSelector.setContent {
+            MdcTheme {
+                var selected by rememberSaveable { serverType }
+                ServerSelector(selected) {
+                    serverType.value = it
+                    selected = it
+                }
+            }
+        }
     }
 
     @get:StringRes
@@ -126,6 +151,7 @@ abstract class BaseCaldavAccountSettingsActivity : ThemedInjectingAppCompatActiv
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
         outState.putParcelable(EXTRA_CALDAV_DATA, caldavAccount)
+        outState.putInt(EXTRA_SERVER_TYPE, serverType.value)
     }
 
     private fun showProgressIndicator() {
@@ -283,8 +309,12 @@ abstract class BaseCaldavAccountSettingsActivity : ThemedInjectingAppCompatActiv
             (!isNullOrEmpty(binding.name.text.toString().trim { it <= ' ' })
                     || !isNullOrEmpty(newPassword)
                     || !isNullOrEmpty(binding.url.text.toString().trim { it <= ' ' })
-                    || !isNullOrEmpty(newUsername))
-        } else needsValidation() || newName != caldavAccount!!.name
+                    || !isNullOrEmpty(newUsername)
+                    || serverType.value != SERVER_UNKNOWN
+            )
+        } else needsValidation() ||
+                newName != caldavAccount!!.name ||
+                serverType.value != caldavAccount!!.serverType
     }
 
     protected open fun needsValidation(): Boolean =
@@ -347,6 +377,7 @@ abstract class BaseCaldavAccountSettingsActivity : ThemedInjectingAppCompatActiv
 
     companion object {
         const val EXTRA_CALDAV_DATA = "caldavData" // $NON-NLS-1$
+        const val EXTRA_SERVER_TYPE = "serverType"
         const val PASSWORD_MASK = "\u2022\u2022\u2022\u2022\u2022\u2022\u2022\u2022"
     }
 }

app/src/main/java/org/tasks/caldav/CaldavAccountSettingsActivity.kt

@@ -60,6 +60,7 @@ class CaldavAccountSettingsActivity : BaseCaldavAccountSettingsActivity(), Toolb
         caldavAccount!!.url = principal
         caldavAccount!!.username = newUsername
         caldavAccount!!.error = ""
+        caldavAccount!!.serverType = serverType.value
         if (passwordChanged()) {
             caldavAccount!!.password = encryption.encrypt(newPassword!!)
         }

app/src/main/java/org/tasks/caldav/CaldavCalendarSettingsActivity.kt

@@ -18,6 +18,7 @@ import org.tasks.R
 import org.tasks.compose.ListSettingsComposables.PrincipalList
 import org.tasks.compose.ShareInvite.ShareInviteDialog
 import org.tasks.data.CaldavAccount
+import org.tasks.data.CaldavAccount.Companion.SERVER_NEXTCLOUD
 import org.tasks.data.CaldavAccount.Companion.SERVER_OWNCLOUD
 import org.tasks.data.CaldavAccount.Companion.SERVER_SABREDAV
 import org.tasks.data.CaldavAccount.Companion.SERVER_TASKS
@@ -145,13 +146,13 @@ class CaldavCalendarSettingsActivity : BaseCaldavCalendarSettingsActivity() {
     companion object {
         val CaldavAccount.canRemovePrincipal: Boolean
             get() = when (serverType) {
-                SERVER_TASKS, SERVER_OWNCLOUD, SERVER_SABREDAV -> true
+                SERVER_TASKS, SERVER_OWNCLOUD, SERVER_SABREDAV, SERVER_NEXTCLOUD -> true
                 else -> false
             }
 
         val CaldavAccount.canShare: Boolean
             get() = when (serverType) {
-                SERVER_TASKS, SERVER_OWNCLOUD, SERVER_SABREDAV -> true
+                SERVER_TASKS, SERVER_OWNCLOUD, SERVER_SABREDAV, SERVER_NEXTCLOUD -> true
                 else -> false
             }
     }

app/src/main/java/org/tasks/caldav/CaldavClient.kt

@@ -39,6 +39,7 @@ import org.tasks.caldav.property.OCOwnerPrincipal
 import org.tasks.caldav.property.PropertyUtils.NS_OWNCLOUD
 import org.tasks.caldav.property.ShareAccess
 import org.tasks.data.CaldavAccount
+import org.tasks.data.CaldavAccount.Companion.SERVER_NEXTCLOUD
 import org.tasks.data.CaldavAccount.Companion.SERVER_OWNCLOUD
 import org.tasks.data.CaldavAccount.Companion.SERVER_SABREDAV
 import org.tasks.data.CaldavAccount.Companion.SERVER_TASKS
@@ -52,7 +53,6 @@ import java.io.IOException
 import java.io.StringWriter
 import java.security.KeyManagementException
 import java.security.NoSuchAlgorithmException
-import java.util.*
 import kotlin.coroutines.suspendCoroutine
 
 open class CaldavClient(
@@ -239,7 +239,7 @@ open class CaldavClient(
         href: String,
     ) {
         when (account.serverType) {
-            SERVER_TASKS, SERVER_SABREDAV -> shareSabredav(href)
+            SERVER_TASKS, SERVER_SABREDAV, SERVER_NEXTCLOUD -> shareSabredav(href)
             SERVER_OWNCLOUD -> shareOwncloud(href)
             else -> throw IllegalArgumentException()
         }
@@ -279,7 +279,7 @@ open class CaldavClient(
         href: String,
     ) {
         when (account.serverType) {
-            SERVER_TASKS, SERVER_SABREDAV -> removeSabrePrincipal(calendar, href)
+            SERVER_TASKS, SERVER_SABREDAV, SERVER_NEXTCLOUD -> removeSabrePrincipal(calendar, href)
             SERVER_OWNCLOUD -> removeOwncloudPrincipal(calendar, href)
             else -> throw IllegalArgumentException()
         }

app/src/main/java/org/tasks/caldav/CaldavSynchronizer.kt

@@ -146,10 +146,12 @@ class CaldavSynchronizer @Inject constructor(
 
     private suspend fun synchronize(account: CaldavAccount) {
         val caldavClient = provider.forAccount(account)
-        var serverType = SERVER_UNKNOWN
+        var serverType = account.serverType
         val resources = caldavClient.calendars { chain ->
             val response = chain.proceed(chain.request())
-            serverType = getServerType(account, response.headers)
+            if (serverType == SERVER_UNKNOWN) {
+                serverType = getServerType(account, response.headers)
+            }
             response
         }
         if (serverType != account.serverType) {

app/src/main/java/org/tasks/compose/ServerSelector.kt

@@ -0,0 +1,61 @@
+package org.tasks.compose
+
+import android.content.res.Configuration
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.colorResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import com.google.android.material.composethemeadapter.MdcTheme
+import org.tasks.R
+
+@Composable
+fun ServerSelector(selected: Int, onSelected: (Int) -> Unit) {
+    var expanded by rememberSaveable { mutableStateOf(false) }
+    Column(modifier = Modifier
+        .padding(16.dp)
+        .clickable { expanded = !expanded }) {
+        Text(
+            text = stringResource(id = R.string.caldav_server_type),
+            style = MaterialTheme.typography.caption.copy(
+                color = colorResource(id = R.color.text_secondary)
+            ),
+        )
+        Spinner(
+            options = LocalContext.current.resources.getStringArray(R.array.caldav_servers)
+                .toList(),
+            values = LocalContext.current.resources.getIntArray(R.array.caldav_server_values)
+                .toList(),
+            selected = selected,
+            expanded = expanded,
+            onSelected = {
+                expanded = false
+                onSelected(it)
+            },
+            setExpanded = { expanded = it },
+            modifier = Modifier
+                .padding(vertical = 6.dp)
+                .fillMaxWidth()
+        )
+    }
+}
+
+@Preview(showBackground = true)
+@Preview(showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
+@Composable
+fun ServerSelectorPreview() =
+    MdcTheme {
+        ServerSelector(1) {}
+    }

app/src/main/java/org/tasks/compose/Spinner.kt

@@ -0,0 +1,40 @@
+package org.tasks.compose
+
+import androidx.compose.foundation.layout.Row
+import androidx.compose.material.DropdownMenu
+import androidx.compose.material.DropdownMenuItem
+import androidx.compose.material.Icon
+import androidx.compose.material.Text
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.ArrowDropDown
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+
+@Composable
+fun <T> Spinner(
+    options: List<String>,
+    values: List<T>,
+    selected: T,
+    expanded: Boolean,
+    modifier: Modifier = Modifier,
+    onSelected: (T) -> Unit,
+    setExpanded: (Boolean) -> Unit,
+) {
+    val selectedIndex = values.indexOf(selected)
+    val selectedOption = options[selectedIndex]
+    Row(modifier = modifier) {
+        Text(text = selectedOption)
+        Icon(imageVector = Icons.Outlined.ArrowDropDown, contentDescription = "")
+        DropdownMenu(expanded = expanded, onDismissRequest = {
+            setExpanded(false)
+        }) {
+            options.forEach {
+                DropdownMenuItem(onClick = {
+                    onSelected(values[options.indexOf(it)])
+                }) {
+                    Text(text = it)
+                }
+            }
+        }
+    }
+}

app/src/main/java/org/tasks/data/CaldavAccount.kt

@@ -116,7 +116,11 @@ class CaldavAccount : Parcelable {
         }
 
     val isSuppressRepeatingTasks: Boolean
-        get() = serverType == SERVER_OPEN_XCHANGE
+        get() = when (serverType) {
+            SERVER_OPEN_XCHANGE,
+            SERVER_MAILBOX_ORG -> true
+            else -> false
+        }
 
     override fun describeContents() = 0
 
@@ -224,6 +228,10 @@ class CaldavAccount : Parcelable {
         const val SERVER_OWNCLOUD = 1
         const val SERVER_SABREDAV = 2
         const val SERVER_OPEN_XCHANGE = 3
+        const val SERVER_NEXTCLOUD = 4
+        const val SERVER_SYNOLOGY_CALENDAR = 5
+        const val SERVER_MAILBOX_ORG = 6
+        const val SERVER_OTHER = 99
 
         const val ERROR_UNAUTHORIZED = "HTTP ${HttpURLConnection.HTTP_UNAUTHORIZED}"
         const val ERROR_PAYMENT_REQUIRED = "HTTP ${HttpURLConnection.HTTP_PAYMENT_REQUIRED}"

app/src/main/java/org/tasks/etebase/EtebaseAccountSettingsActivity.kt

@@ -24,6 +24,7 @@ class EtebaseAccountSettingsActivity : BaseCaldavAccountSettingsActivity(), Tool
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        binding.serverSelector.visibility = View.GONE
         binding.showAdvanced.visibility = View.VISIBLE
         binding.showAdvanced.setOnCheckedChangeListener { _, _ ->
             updateUrlVisibility()

app/src/main/java/org/tasks/etesync/EteSyncAccountSettingsActivity.kt

@@ -15,6 +15,7 @@ class EteSyncAccountSettingsActivity : BaseCaldavAccountSettingsActivity(), Tool
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         binding.showAdvanced.visibility = View.GONE
+        binding.serverSelector.visibility = View.GONE
         binding.description.visibility = View.VISIBLE
         binding.description.setTextColor(ContextCompat.getColor(this, R.color.overdue))
         binding.description.setText(description)

app/src/main/java/org/tasks/opentasks/OpenTaskAccountSettingsActivity.kt

@@ -32,6 +32,7 @@ class OpenTaskAccountSettingsActivity : BaseCaldavAccountSettingsActivity(), Too
         if (passwordChanged()) {
             caldavAccount!!.password = encryption.encrypt(newPassword)
         }
+        caldavAccount!!.serverType = serverType.value
         caldavDao.update(caldavAccount!!)
         setResult(Activity.RESULT_OK)
         finish()

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

@@ -92,6 +92,11 @@
 
         </com.google.android.material.textfield.TextInputLayout>
 
+        <androidx.compose.ui.platform.ComposeView
+            android:id="@+id/server_selector"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
       </LinearLayout>
 
     </ScrollView>

app/src/main/res/values/arrays.xml

@@ -282,4 +282,26 @@
     <item>@string/bottom</item>
   </string-array>
 
+  <string-array name="caldav_servers">
+    <item>@string/caldav_server_mailbox_org</item>
+    <item>@string/caldav_server_nextcloud</item>
+    <item>@string/caldav_server_openxchange</item>
+    <item>@string/caldav_server_owncloud</item>
+    <item>@string/caldav_server_sabredav</item>
+    <item>@string/caldav_server_synology_calendar</item>
+    <item>@string/caldav_server_other</item>
+    <item>@string/caldav_server_unknown</item>
+  </string-array>
+
+  <integer-array name="caldav_server_values">
+    <item>6</item>
+    <item>4</item>
+    <item>3</item>
+    <item>1</item>
+    <item>2</item>
+    <item>5</item>
+    <item>99</item>
+    <item>-1</item>
+  </integer-array>
+
 </resources>

app/src/main/res/values/keys.xml

@@ -18,6 +18,12 @@
   <string name="etesync_deprecated">Native EteSync v1 support has been removed. Please switch to the EteSync client to continue synchronizing your EteSync v1 account, or migrate to EteSync v2</string>
   <string name="etebase_url">https://api.etebase.com/partner/tasksorg/</string>
   <string name="help_url_sync">https://tasks.org/sync</string>
+  <string name="caldav_server_owncloud">ownCloud</string>
+  <string name="caldav_server_nextcloud">Nextcloud</string>
+  <string name="caldav_server_sabredav">sabre/dav</string>
+  <string name="caldav_server_openxchange">Open-Xchange</string>
+  <string name="caldav_server_synology_calendar">Synology Calendar</string>
+  <string name="caldav_server_mailbox_org">Mailbox.org</string>
 
   <string name="url_davx5">https://tasks.org/davx5</string>
   <string name="url_caldav">https://tasks.org/caldav</string>