From 7b3fda2da562ce7b259a232bf9fc5f519c138283 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Sat, 20 Apr 2024 09:28:20 -0700
Subject: Fix overlapping report schedules

---
 src/main/java/org/traccar/model/Calendar.java      |  5 ++-
 .../java/org/traccar/schedule/TaskReports.java     |  2 +-
 .../java/org/traccar/calendar/CalendarTest.java    | 38 ++++++++++++++++++++--
 3 files changed, 38 insertions(+), 7 deletions(-)

diff --git a/src/main/java/org/traccar/model/Calendar.java b/src/main/java/org/traccar/model/Calendar.java
index 03f1995ba..feef7286f 100644
--- a/src/main/java/org/traccar/model/Calendar.java
+++ b/src/main/java/org/traccar/model/Calendar.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 - 2022 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2024 Anton Tananaev (anton@traccar.org)
  * Copyright 2016 Andrey Kunitsyn (andrey@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -79,9 +79,8 @@ public class Calendar extends ExtendedModel {
     }
 
     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());
     }
 
diff --git a/src/main/java/org/traccar/schedule/TaskReports.java b/src/main/java/org/traccar/schedule/TaskReports.java
index 2102b2ee1..3989cd6a0 100644
--- a/src/main/java/org/traccar/schedule/TaskReports.java
+++ b/src/main/java/org/traccar/schedule/TaskReports.java
@@ -81,7 +81,7 @@ public class TaskReports implements ScheduleTask {
                 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()) {
diff --git a/src/test/java/org/traccar/calendar/CalendarTest.java b/src/test/java/org/traccar/calendar/CalendarTest.java
index 4106f89a9..d2c2b251c 100644
--- a/src/test/java/org/traccar/calendar/CalendarTest.java
+++ b/src/test/java/org/traccar/calendar/CalendarTest.java
@@ -5,19 +5,19 @@ import org.junit.jupiter.api.Test;
 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 class CalendarTest {
         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);
+    }
 }
-- 
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