Show message after archiving/unarchiving habits

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/show/ShowHabitActivity.kt

@@ -203,7 +203,8 @@ class ShowHabitActivity : AppCompatActivity(), CommandRunner.Listener {
         }
 
         private fun getPopupAnchor(): View? {
-            val dialog = supportFragmentManager.findFragmentByTag("historyEditor") as HistoryEditorDialog?
+            val dialog =
+                supportFragmentManager.findFragmentByTag("historyEditor") as HistoryEditorDialog?
             return dialog?.dataView
         }
 
@@ -216,6 +217,25 @@ class ShowHabitActivity : AppCompatActivity(), CommandRunner.Listener {
                 ShowHabitMenuPresenter.Message.COULD_NOT_EXPORT -> {
                     showMessage(resources.getString(R.string.could_not_export))
                 }
+
+                ShowHabitMenuPresenter.Message.HABIT_ARCHIVED -> {
+                    showMessage(
+                        resources.getQuantityString(
+                            R.plurals.toast_habits_archived,
+                            1
+                        )
+                    )
+                }
+
+                ShowHabitMenuPresenter.Message.HABIT_UNARCHIVED -> {
+                    showMessage(
+                        resources.getQuantityString(
+                            R.plurals.toast_habits_unarchived,
+                            1
+                        )
+                    )
+                }
+
                 else -> {}
             }
         }

uhabits-core/src/jvmMain/java/org/isoron/uhabits/core/ui/screens/habits/show/ShowHabitMenuPresenter.kt

@@ -18,10 +18,10 @@
  */
 package org.isoron.uhabits.core.ui.screens.habits.show
 
-import org.isoron.uhabits.core.commands.CommandRunner
 import org.isoron.uhabits.core.commands.ArchiveHabitsCommand
-import org.isoron.uhabits.core.commands.UnarchiveHabitsCommand
+import org.isoron.uhabits.core.commands.CommandRunner
 import org.isoron.uhabits.core.commands.DeleteHabitsCommand
+import org.isoron.uhabits.core.commands.UnarchiveHabitsCommand
 import org.isoron.uhabits.core.models.Entry
 import org.isoron.uhabits.core.models.Habit
 import org.isoron.uhabits.core.models.HabitList
@@ -57,6 +57,7 @@ class ShowHabitMenuPresenter(
 
     fun onArchiveHabits() {
         commandRunner.run(ArchiveHabitsCommand(habitList, listOf(habit)))
+        screen.showMessage(Message.HABIT_ARCHIVED)
     }
 
     fun onExportCSV() {
@@ -81,6 +82,7 @@ class ShowHabitMenuPresenter(
 
     fun onUnarchiveHabits() {
         commandRunner.run(UnarchiveHabitsCommand(habitList, listOf(habit)))
+        screen.showMessage(Message.HABIT_UNARCHIVED)
     }
 
     fun onRandomize() {
@@ -91,7 +93,10 @@ class ShowHabitMenuPresenter(
             if (i % 7 == 0) strength = max(0.0, min(100.0, strength + 10 * random.nextGaussian()))
             if (random.nextInt(100) > strength) continue
             var value = Entry.YES_MANUAL
-            if (habit.isNumerical) value = (1000 + 250 * random.nextGaussian() * strength / 100).toInt() * 1000
+            if (habit.isNumerical) {
+                value =
+                    (1000 + 250 * random.nextGaussian() * strength / 100).toInt() * 1000
+            }
             habit.originalEntries.add(Entry(DateUtils.getToday().minus(i), value))
         }
         habit.recompute()
@@ -99,7 +104,9 @@ class ShowHabitMenuPresenter(
     }
 
     enum class Message {
-        COULD_NOT_EXPORT
+        COULD_NOT_EXPORT,
+        HABIT_ARCHIVED,
+        HABIT_UNARCHIVED
     }
 
     interface Screen {