Fix overlapping report schedules

src/main/java/org/traccar/model/Calendar.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 - 2022 Anton Tananaev ([email protected])
+ * Copyright 2016 - 2024 Anton Tananaev ([email protected])
  * Copyright 2016 Andrey Kunitsyn ([email protected])
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -79,9 +79,8 @@ private Collection<VEvent> findEvents(Date date) {
     }
 
     public Collection<Period> findPeriods(Date date) {
-        var calendarDate = new net.fortuna.ical4j.model.Date(date);
         return findEvents(date).stream()
-                .flatMap((event) -> event.getConsumedTime(calendarDate, calendarDate).stream())
+                .flatMap((e) -> e.calculateRecurrenceSet(new Period(new DateTime(date), Duration.ZERO)).stream())
                 .collect(Collectors.toSet());
     }
 

src/main/java/org/traccar/schedule/TaskReports.java

@@ -81,7 +81,7 @@ public void run() {
                 var lastEvents = calendar.findPeriods(lastCheck);
                 var currentEvents = calendar.findPeriods(currentCheck);
 
-                if (!lastEvents.isEmpty() && currentEvents.isEmpty()) {
+                if (!lastEvents.isEmpty() && !currentEvents.equals(lastEvents)) {
                     Period period = lastEvents.iterator().next();
                     RequestScoper scope = ServletScopes.scopeRequest(Collections.emptyMap());
                     try (RequestScoper.CloseableScope ignored = scope.open()) {

src/test/java/org/traccar/calendar/CalendarTest.java

@@ -5,19 +5,19 @@
 import org.traccar.model.Calendar;
 
 import java.io.IOException;
-import java.sql.SQLException;
 import java.text.DateFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
-import java.util.Date;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 public class CalendarTest {
 
     @Test
-    public void testCalendar() throws IOException, ParserException, ParseException, SQLException {
+    public void testCalendar() throws IOException, ParserException, ParseException {
         String calendarString = "BEGIN:VCALENDAR\n" + 
                 "PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN\n" + 
                 "VERSION:2.0\n" + 
@@ -54,4 +54,36 @@ public void testCalendar() throws IOException, ParserException, ParseException,
         var periods = calendar.findPeriods(format.parse("2016-12-13 06:59:59+05"));
         assertFalse(periods.isEmpty());
     }
+
+    @Test
+    public void testCalendarOverlap() throws IOException, ParserException, ParseException {
+        String calendarString = "BEGIN:VCALENDAR\n" +
+                "VERSION:2.0\n" +
+                "PRODID:-//Traccar//NONSGML Traccar//EN\n" +
+                "BEGIN:VEVENT\n" +
+                "UID:00000000-0000-0000-0000-000000000000\n" +
+                "DTSTART;TZID=America/Los_Angeles:20240420T060000\n" +
+                "DTEND;TZID=America/Los_Angeles:20240421T060000\n" +
+                "RRULE:FREQ=DAILY\n" +
+                "SUMMARY:Event\n" +
+                "END:VEVENT\n" +
+                "END:VCALENDAR";
+        Calendar calendar = new Calendar();
+        calendar.setData(calendarString.getBytes());
+        DateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ssX");
+
+        var periods0 = calendar.findPeriods(format.parse("2014-05-13 07:00:00-07"));
+        var periods1 = calendar.findPeriods(format.parse("2024-05-13 05:00:00-07"));
+        var periods2 = calendar.findPeriods(format.parse("2024-05-13 07:00:00-07"));
+        var periods3 = calendar.findPeriods(format.parse("2024-05-13 08:00:00-07"));
+
+        assertEquals(periods0.size(), 0);
+        assertEquals(periods1.size(), 1);
+        assertEquals(periods2.size(), 1);
+        assertEquals(periods3.size(), 1);
+
+        assertNotEquals(periods0, periods1);
+        assertNotEquals(periods1, periods2);
+        assertEquals(periods2, periods3);
+    }
 }