Microsoft Graph API doesn't support order

app/src/main/java/com/todoroo/astrid/service/TaskMover.kt

@@ -55,7 +55,7 @@ class TaskMover @Inject constructor(
         val taskIds = tasks.map { it.id }
         taskDao.setParent(0, ids.intersect(taskIds.toSet()).toList())
         tasks.forEach { performMove(it, selectedList) }
-        if (selectedList.isIcalendar) {
+        if (!selectedList.isGoogleTasks) {
             caldavDao.updateParents(selectedList.uuid)
         }
         taskIds.dbchunk().forEach {

app/src/main/java/org/tasks/sync/microsoft/MicrosoftConverter.kt

@@ -24,12 +24,10 @@ object MicrosoftConverter {
     private const val DATE_TIME_UTC_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSS0000'Z'"
 
     fun Task.applySubtask(
-        index: Int,
         parent: Long,
         checklistItem: Tasks.Task.ChecklistItem,
     ) {
         this.parent = parent
-        order = index.toLong()
         title = checklistItem.displayName
         completionDate = if (checklistItem.isChecked) {
             checklistItem.checkedDateTime?.parseDateTime() ?: System.currentTimeMillis()
@@ -95,7 +93,6 @@ object MicrosoftConverter {
                 .build()
                 .toString()
         }
-        // checklist to subtasks
         // sync reminders
         // sync files
     }

app/src/main/java/org/tasks/sync/microsoft/MicrosoftSynchronizer.kt

@@ -426,7 +426,7 @@ class MicrosoftSynchronizer @Inject constructor(
         existingSubtasks
             .filter { it.remoteId?.isNotBlank() == true && !remoteSubtaskIds.contains(it.remoteId) }
             .let { taskDeleter.delete(it.map { it.task }) }
-        checklistItems.forEachIndexed { index, item ->
+        checklistItems.forEach { item ->
             val existing = caldavDao.getTaskByRemoteId(list.uuid!!, item.id!!)
             val task = existing?.task?.let { taskDao.fetch(it) }
                 ?: taskCreator.createWithValues("").apply {
@@ -445,11 +445,9 @@ class MicrosoftSynchronizer @Inject constructor(
             val dirty = existing != null && task.modificationDate > existing.lastSync
             if (dirty) {
                 // TODO: merge with vtodo cached value, similar to iCalendarMerge.kt
-                task.order = index.toLong()
                 task.parent = parentId
             } else {
                 task.applySubtask(
-                    index = index,
                     parent = parentId,
                     checklistItem = item,
                 )

kmp/src/commonMain/kotlin/org/tasks/filters/CaldavFilter.kt

@@ -5,6 +5,7 @@ import org.tasks.data.NO_COUNT
 import org.tasks.data.dao.TaskDao.TaskCriteria.activeAndVisible
 import org.tasks.data.entity.CaldavAccount
 import org.tasks.data.entity.CaldavAccount.Companion.TYPE_GOOGLE_TASKS
+import org.tasks.data.entity.CaldavAccount.Companion.TYPE_MICROSOFT
 import org.tasks.data.entity.CaldavCalendar
 import org.tasks.data.entity.CaldavTask
 import org.tasks.data.entity.Task
@@ -53,17 +54,17 @@ data class CaldavFilter(
     override val isReadOnly: Boolean
         get() = calendar.access == CaldavCalendar.ACCESS_READ_ONLY
 
+    // Microsoft Graph API doesn't support order
+    // https://techcommunity.microsoft.com/idea/microsoft365developerplatform/to-do-graphapi-to-include-orderdatetime-field---custom-ordering-of-to-do-tasks-t/3298392#M940
     override fun supportsManualSort() = true
 
     override fun areItemsTheSame(other: FilterListItem): Boolean {
         return other is CaldavFilter && calendar.id == other.calendar.id
     }
 
-    val isGoogleTasks by lazy {
-        account.accountType == TYPE_GOOGLE_TASKS
-    }
+    val isGoogleTasks: Boolean
+        get() = account.accountType == TYPE_GOOGLE_TASKS
 
-    val isIcalendar by lazy {
-        account.accountType != TYPE_GOOGLE_TASKS
-    }
+    val isIcalendar: Boolean
+        get() = account.accountType !in listOf(TYPE_GOOGLE_TASKS, TYPE_MICROSOFT)
 }