Debug: show last daily rules execution

app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java

@@ -186,6 +186,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
 
     private Button btnRepair;
     private Button btnDaily;
+    private TextView tvLastDaily;
     private SwitchCompat swAutostart;
     private SwitchCompat swEmergency;
     private SwitchCompat swWorkManager;
@@ -429,6 +430,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
 
         btnRepair = view.findViewById(R.id.btnRepair);
         btnDaily = view.findViewById(R.id.btnDaily);
+        tvLastDaily = view.findViewById(R.id.tvLastDaily);
         swAutostart = view.findViewById(R.id.swAutostart);
         swEmergency = view.findViewById(R.id.swEmergency);
         swWorkManager = view.findViewById(R.id.swWorkManager);
@@ -2132,6 +2134,11 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
 
         setLastCleanup(prefs.getLong("last_cleanup", -1));
 
+        if (prefs.contains("last_daily"))
+            tvLastDaily.setText(new Date(prefs.getLong("last_daily", 0)).toString());
+        else
+            tvLastDaily.setText(("-"));
+
         File external = Helper.getExternalFilesDir(getContext());
         boolean emulated = (external != null && Environment.isExternalStorageEmulated(external));
         tvExternalStorageFolder.setText(
@@ -2214,6 +2221,9 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         if ("last_cleanup".equals(key))
             setLastCleanup(prefs.getLong(key, -1));
 
+        if ("last_daily".equals(key))
+            tvLastDaily.setText(new Date(prefs.getLong(key, 0)).toString());
+
         if ("lt_uri".equals(key) ||
                 "lt_user".equals(key) ||
                 "lt_key".equals(key) ||

app/src/main/java/eu/faircode/email/WorkerDailyRules.java

@@ -33,6 +33,7 @@ import androidx.work.Worker;
 import androidx.work.WorkerParameters;
 
 import java.util.Calendar;
+import java.util.Date;
 import java.util.List;
 import java.util.concurrent.Semaphore;
 import java.util.concurrent.TimeUnit;
@@ -116,6 +117,9 @@ public class WorkerDailyRules extends Worker {
                             "Executed " + count + " daily rules for " + account.name + "/" + folder.name);
                 }
             }
+
+            SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+            prefs.edit().putLong("last_daily", new Date().getTime()).apply();
         } catch (Throwable ex) {
             Log.e(ex);
         } finally {

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

@@ -1388,6 +1388,16 @@
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/btnRepair" />
 
+                <TextView
+                    android:id="@+id/tvLastDaily"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:text="daily"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/btnDaily" />
+
                 <androidx.appcompat.widget.SwitchCompat
                     android:id="@+id/swAutostart"
                     android:layout_width="0dp"
@@ -1397,7 +1407,7 @@
                     android:text="@string/title_advanced_autostart"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/btnDaily"
+                    app:layout_constraintTop_toBottomOf="@id/tvLastDaily"
                     app:switchPadding="12dp" />
 
                 <androidx.appcompat.widget.SwitchCompat