Calendars implementation

16 files changed, 631 insertions, 8 deletions

diff --git a/pom.xml b/pom.xml
index 45df20efc..b93ff8e44 100644
--- a/pom.xml
+++ b/pom.xml
@@ -143,6 +143,11 @@
             <artifactId>velocity</artifactId>
             <version>1.7</version>
         </dependency>
+        <dependency>
+	        <groupId>org.mnode.ical4j</groupId>
+	        <artifactId>ical4j</artifactId>
+	        <version>2.0.0</version>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/schema/changelog-3.10.xml b/schema/changelog-3.10.xml
new file mode 100644
index 000000000..8cd7b3704
--- /dev/null
+++ b/schema/changelog-3.10.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<databaseChangeLog
+  xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+                      http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.4.xsd"
+  logicalFilePath="changelog-3.10">
+
+  <changeSet author="author" id="changelog-3.10">
+
+    <createTable tableName="calendars">
+      <column name="id" type="INT" autoIncrement="true">
+        <constraints primaryKey="true" />
+      </column>
+      <column name="name" type="VARCHAR(128)">
+        <constraints nullable="false" />
+      </column>
+      <column name="calendardata" type="BLOB">
+        <constraints nullable="false" />
+      </column>
+      <column name="attributes" type="VARCHAR(4000)">
+        <constraints nullable="false" />
+      </column>
+    </createTable>
+
+    <createTable tableName="user_calendar">
+      <column name="userid" type="INT">
+        <constraints nullable="false" />
+      </column>
+      <column name="calendarid" type="INT">
+        <constraints nullable="false" />
+      </column>
+    </createTable>
+
+    <addForeignKeyConstraint baseTableName="user_calendar" baseColumnNames="userid" constraintName="fk_user_calendar_userid" referencedTableName="users" referencedColumnNames="id" onDelete="CASCADE" />
+    <addForeignKeyConstraint baseTableName="user_calendar" baseColumnNames="calendarid" constraintName="fk_user_calendar_geofenceid" referencedTableName="calendars" referencedColumnNames="id" onDelete="CASCADE" />
+    
+    <addColumn tableName="geofences">
+      <column name="calendarid" type="INT" />
+    </addColumn>
+    
+    <addForeignKeyConstraint baseColumnNames="calendarid" baseTableName="geofences" constraintName="fk_geofence_calendar_calendarid" onDelete="SET NULL" onUpdate="RESTRICT" referencedColumnNames="id" referencedTableName="calendars"/>
+
+  </changeSet>
+</databaseChangeLog>
diff --git a/schema/changelog-master.xml b/schema/changelog-master.xml
index 448015568..2aed50e72 100644
--- a/schema/changelog-master.xml
+++ b/schema/changelog-master.xml
@@ -11,4 +11,5 @@
   <include file="changelog-3.7.xml" relativeToChangelogFile="true" />
   <include file="changelog-3.8.xml" relativeToChangelogFile="true" />
   <include file="changelog-3.9.xml" relativeToChangelogFile="true" />
+  <include file="changelog-3.10.xml" relativeToChangelogFile="true" />
 </databaseChangeLog>
diff --git a/setup/default.xml b/setup/default.xml
index ad23d7bd3..aeb8fbe54 100644
--- a/setup/default.xml
+++ b/setup/default.xml
@@ -206,14 +206,15 @@
     </entry>
 
     <entry key='database.insertGeofence'>
-        INSERT INTO geofences (name, description, area, attributes)
-        VALUES (:name, :description, :area, :attributes)
+        INSERT INTO geofences (name, description, calendarid, area, attributes)
+        VALUES (:name, :description, :calendarid, :area, :attributes)
     </entry>
 
     <entry key='database.updateGeofence'>
         UPDATE geofences SET
         name = :name,
         description = :description,
+        calendarid = :calendarid,
         area = :area,
         attributes = :attributes
         WHERE id = :id
@@ -315,6 +316,39 @@
         INSERT INTO statistics (captureTime, activeUsers, activeDevices, requests, messagesReceived, messagesStored, attributes)
         VALUES (:captureTime, :activeUsers, :activeDevices, :requests, :messagesReceived, :messagesStored, :attributes)
     </entry>
+    
+    <entry key='database.selectCalendarsAll'>
+        SELECT * FROM calendars
+    </entry>
+
+    <entry key='database.insertCalendar'>
+        INSERT INTO calendars (name, calendarData, attributes)
+        VALUES (:name, :calendarData, :attributes)
+    </entry>
+
+    <entry key='database.updateCalendar'>
+        UPDATE calendars SET
+        name = :name,
+        calendarData = :calendarData,
+        attributes = :attributes
+        WHERE id = :id
+    </entry>
+
+    <entry key='database.deleteCalendar'>
+        DELETE FROM calendars WHERE id = :id
+    </entry>
+
+    <entry key='database.selectCalendarPermissions'>
+        SELECT userId, calendarId FROM user_calendar
+    </entry>
+
+    <entry key='database.linkCalendar'>
+        INSERT INTO user_calendar (userId, calendarId) VALUES (:userId, :calendarId)
+    </entry>
+
+    <entry key='database.unlinkCalendar'>
+        DELETE FROM user_calendar WHERE userId = :userId AND calendarId = :calendarId
+    </entry>
 
     <!-- PROTOCOL CONFIG -->
 
diff --git a/src/org/traccar/Context.java b/src/org/traccar/Context.java
index 2b8860187..03e4635b6 100644
--- a/src/org/traccar/Context.java
+++ b/src/org/traccar/Context.java
@@ -23,6 +23,7 @@ import java.util.Properties;
 import org.apache.velocity.app.VelocityEngine;
 import org.eclipse.jetty.util.URIUtil;
 import org.traccar.database.AliasesManager;
+import org.traccar.database.CalendarManager;
 import org.traccar.database.ConnectionManager;
 import org.traccar.database.DataManager;
 import org.traccar.database.DeviceManager;
@@ -124,6 +125,12 @@ public final class Context {
         return geofenceManager;
     }
 
+    private static CalendarManager calendarManager;
+
+    public static CalendarManager getCalendarManager() {
+        return calendarManager;
+    }
+
     private static NotificationManager notificationManager;
 
     public static NotificationManager getNotificationManager() {
@@ -253,6 +260,7 @@ public final class Context {
 
         if (config.getBoolean("event.geofenceHandler")) {
             geofenceManager = new GeofenceManager(dataManager);
+            calendarManager = new CalendarManager(dataManager);
         }
 
         if (config.getBoolean("event.enable")) {
diff --git a/src/org/traccar/api/resource/CalendarPermissionResource.java b/src/org/traccar/api/resource/CalendarPermissionResource.java
new file mode 100644
index 000000000..a49254b6b
--- /dev/null
+++ b/src/org/traccar/api/resource/CalendarPermissionResource.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.api.resource;
+
+import java.sql.SQLException;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+import org.traccar.Context;
+import org.traccar.api.BaseResource;
+import org.traccar.model.CalendarPermission;
+
+@Path("permissions/calendars")
+@Produces(MediaType.APPLICATION_JSON)
+@Consumes(MediaType.APPLICATION_JSON)
+public class CalendarPermissionResource extends BaseResource {
+
+    @POST
+    public Response add(CalendarPermission entity) throws SQLException {
+        Context.getPermissionsManager().checkReadonly(getUserId());
+        Context.getPermissionsManager().checkUser(getUserId(), entity.getUserId());
+        Context.getPermissionsManager().checkCalendar(getUserId(), entity.getCalendarId());
+        Context.getDataManager().linkCalendar(entity.getUserId(), entity.getCalendarId());
+        Context.getCalendarManager().refreshUserCalendars();
+        return Response.ok(entity).build();
+    }
+
+    @DELETE
+    public Response remove(CalendarPermission entity) throws SQLException {
+        Context.getPermissionsManager().checkReadonly(getUserId());
+        Context.getPermissionsManager().checkUser(getUserId(), entity.getUserId());
+        Context.getPermissionsManager().checkCalendar(getUserId(), entity.getCalendarId());
+        Context.getDataManager().unlinkCalendar(entity.getUserId(), entity.getCalendarId());
+        Context.getCalendarManager().refreshUserCalendars();
+        return Response.noContent().build();
+    }
+}
diff --git a/src/org/traccar/api/resource/CalendarResource.java b/src/org/traccar/api/resource/CalendarResource.java
new file mode 100644
index 000000000..0a9bb5daf
--- /dev/null
+++ b/src/org/traccar/api/resource/CalendarResource.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.api.resource;
+
+import java.sql.SQLException;
+import java.util.Collection;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+import org.traccar.Context;
+import org.traccar.api.BaseResource;
+import org.traccar.model.Calendar;
+
+@Path("calendars")
+@Produces(MediaType.APPLICATION_JSON)
+@Consumes(MediaType.APPLICATION_JSON)
+public class CalendarResource extends BaseResource {
+
+    @GET
+    public Collection<Calendar> get(
+            @QueryParam("all") boolean all, @QueryParam("userId") long userId) throws SQLException {
+
+        if (all) {
+            Context.getPermissionsManager().checkAdmin(getUserId());
+            return Context.getCalendarManager().getAllCalendars();
+        } else {
+            if (userId == 0) {
+                userId = getUserId();
+            }
+            Context.getPermissionsManager().checkUser(getUserId(), userId);
+            return Context.getCalendarManager().getUserCalendars(userId);
+        }
+    }
+
+    @POST
+    public Response add(Calendar entity) throws SQLException {
+        Context.getPermissionsManager().checkReadonly(getUserId());
+        Context.getCalendarManager().addCalendar(entity);
+        Context.getDataManager().linkCalendar(getUserId(), entity.getId());
+        Context.getCalendarManager().refreshUserCalendars();
+        return Response.ok(entity).build();
+    }
+
+    @Path("{id}")
+    @PUT
+    public Response update(Calendar entity) throws SQLException {
+        Context.getPermissionsManager().checkReadonly(getUserId());
+        Context.getPermissionsManager().checkCalendar(getUserId(), entity.getId());
+        Context.getCalendarManager().updateCalendar(entity);
+        return Response.ok(entity).build();
+    }
+
+    @Path("{id}")
+    @DELETE
+    public Response remove(@PathParam("id") long id) throws SQLException {
+        Context.getPermissionsManager().checkReadonly(getUserId());
+        Context.getPermissionsManager().checkCalendar(getUserId(), id);
+        Context.getCalendarManager().removeCalendar(id);
+        return Response.noContent().build();
+    }
+}
diff --git a/src/org/traccar/database/CalendarManager.java b/src/org/traccar/database/CalendarManager.java
new file mode 100644
index 000000000..3e95f6698
--- /dev/null
+++ b/src/org/traccar/database/CalendarManager.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.database;
+
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.traccar.helper.Log;
+import org.traccar.model.Calendar;
+import org.traccar.model.CalendarPermission;
+
+public class CalendarManager {
+
+    private final DataManager dataManager;
+
+    private final Map<Long, Calendar> calendars = new ConcurrentHashMap<>();
+    private final Map<Long, Set<Long>> userCalendars = new ConcurrentHashMap<>();
+
+    public CalendarManager(DataManager dataManager) {
+        this.dataManager = dataManager;
+        refreshCalendars();
+    }
+
+    public final void refreshCalendars() {
+        if (dataManager != null) {
+            try {
+                calendars.clear();
+                for (Calendar calendar : dataManager.getCalendars()) {
+                    calendars.put(calendar.getId(), calendar);
+                }
+            } catch (SQLException error) {
+                Log.warning(error);
+            }
+        }
+        refreshUserCalendars();
+    }
+
+    private Set<Long> getUserCalendarIds(long userId) {
+        if (!userCalendars.containsKey(userId)) {
+            userCalendars.put(userId, new HashSet<Long>());
+        }
+        return userCalendars.get(userId);
+    }
+
+    public Collection<Calendar> getUserCalendars(long userId) {
+        ArrayList<Calendar> result = new ArrayList<>();
+        for (long calendarId : getUserCalendarIds(userId)) {
+            result.add(calendars.get(calendarId));
+        }
+        return result;
+    }
+
+    public final void refreshUserCalendars() {
+        if (dataManager != null) {
+            try {
+                userCalendars.clear();
+                for (CalendarPermission calendarsPermission : dataManager.getCalendarPermissions()) {
+                    getUserCalendarIds(calendarsPermission.getUserId()).add(calendarsPermission.getCalendarId());
+                }
+            } catch (SQLException error) {
+                Log.warning(error);
+            }
+        }
+    }
+
+    public Calendar getCalendar(long calendarId) {
+        return calendars.get(calendarId);
+    }
+
+    public final void addCalendar(Calendar calendar) throws SQLException {
+        dataManager.addCalendar(calendar);
+        calendars.put(calendar.getId(), calendar);
+    }
+
+    public final void updateCalendar(Calendar calendar) throws SQLException {
+        dataManager.updateCalendar(calendar);
+        calendars.put(calendar.getId(), calendar);
+    }
+
+    public final void removeCalendar(long calendarId) throws SQLException {
+        dataManager.removeCalendar(calendarId);
+        calendars.remove(calendarId);
+        refreshUserCalendars();
+    }
+
+    public Collection<Calendar> getAllCalendars() {
+        return calendars.values();
+    }
+
+    public boolean checkCalendar(long userId, long calendarId) {
+        return getUserCalendarIds(userId).contains(calendarId);
+    }
+}
diff --git a/src/org/traccar/database/DataManager.java b/src/org/traccar/database/DataManager.java
index 8be53ad7b..278109229 100644
--- a/src/org/traccar/database/DataManager.java
+++ b/src/org/traccar/database/DataManager.java
@@ -37,6 +37,8 @@ import liquibase.resource.ResourceAccessor;
 import org.traccar.Config;
 import org.traccar.helper.Log;
 import org.traccar.model.AttributeAlias;
+import org.traccar.model.Calendar;
+import org.traccar.model.CalendarPermission;
 import org.traccar.model.Device;
 import org.traccar.model.DevicePermission;
 import org.traccar.model.Event;
@@ -484,4 +486,45 @@ public class DataManager {
                 .executeUpdate());
     }
 
+    public Collection<Calendar> getCalendars() throws SQLException {
+        return QueryBuilder.create(dataSource, getQuery("database.selectCalendarsAll"))
+                .executeQuery(Calendar.class);
+    }
+
+    public void addCalendar(Calendar calendar) throws SQLException {
+        calendar.setId(QueryBuilder.create(dataSource, getQuery("database.insertCalendar"), true)
+                .setObject(calendar)
+                .executeUpdate());
+    }
+
+    public void updateCalendar(Calendar calendar) throws SQLException {
+        QueryBuilder.create(dataSource, getQuery("database.updateCalendar"))
+                .setObject(calendar)
+                .executeUpdate();
+    }
+
+    public void removeCalendar(long calendarId) throws SQLException {
+        QueryBuilder.create(dataSource, getQuery("database.deleteCalendar"))
+                .setLong("id", calendarId)
+                .executeUpdate();
+    }
+
+    public Collection<CalendarPermission> getCalendarPermissions() throws SQLException {
+        return QueryBuilder.create(dataSource, getQuery("database.selectCalendarPermissions"))
+                .executeQuery(CalendarPermission.class);
+    }
+
+    public void linkCalendar(long userId, long calendarId) throws SQLException {
+        QueryBuilder.create(dataSource, getQuery("database.linkCalendar"))
+                .setLong("userId", userId)
+                .setLong("calendarId", calendarId)
+                .executeUpdate();
+    }
+
+    public void unlinkCalendar(long userId, long calendarId) throws SQLException {
+        QueryBuilder.create(dataSource, getQuery("database.unlinkCalendar"))
+                .setLong("userId", userId)
+                .setLong("calendarId", calendarId)
+                .executeUpdate();
+    }
 }
diff --git a/src/org/traccar/database/PermissionsManager.java b/src/org/traccar/database/PermissionsManager.java
index 078a5f935..6c0610655 100644
--- a/src/org/traccar/database/PermissionsManager.java
+++ b/src/org/traccar/database/PermissionsManager.java
@@ -207,6 +207,12 @@ public class PermissionsManager {
         }
     }
 
+    public void checkCalendar(long userId, long calendarId) throws SecurityException {
+        if (!Context.getCalendarManager().checkCalendar(userId, calendarId) && !isAdmin(userId)) {
+            throw new SecurityException("Calendar access denied");
+        }
+    }
+
     public Server getServer() {
         return server;
     }
diff --git a/src/org/traccar/database/QueryBuilder.java b/src/org/traccar/database/QueryBuilder.java
index 50d689a2a..201240f2f 100644
--- a/src/org/traccar/database/QueryBuilder.java
+++ b/src/org/traccar/database/QueryBuilder.java
@@ -240,6 +240,23 @@ public final class QueryBuilder {
         return this;
     }
 
+    public QueryBuilder setBlob(String name, byte[] value) throws SQLException {
+        for (int i : indexes(name)) {
+            try {
+                if (value == null) {
+                    statement.setNull(i, Types.BLOB);
+                } else {
+                    statement.setBytes(i, value);
+                }
+            } catch (SQLException error) {
+                statement.close();
+                connection.close();
+                throw error;
+            }
+        }
+        return this;
+    }
+
     public QueryBuilder setObject(Object object) throws SQLException {
 
         Method[] methods = object.getClass().getMethods();
@@ -260,6 +277,8 @@ public final class QueryBuilder {
                         setString(name, (String) method.invoke(object));
                     } else if (method.getReturnType().equals(Date.class)) {
                         setDate(name, (Date) method.invoke(object));
+                    } else if (method.getReturnType().equals(byte[].class)) {
+                        setBlob(name, (byte[]) method.invoke(object));
                     } else if (method.getReturnType().equals(Map.class)) {
                         if (Context.getConfig().getBoolean("database.xml")) {
                             setString(name, MiscFormatter.toXmlString((Map) method.invoke(object)));
@@ -375,6 +394,17 @@ public final class QueryBuilder {
                     }
                 }
             });
+        } else if (parameterType.equals(byte[].class)) {
+            processors.add(new ResultSetProcessor<T>() {
+                @Override
+                public void process(T object, ResultSet resultSet) throws SQLException {
+                    try {
+                        method.invoke(object, resultSet.getBytes(name));
+                    } catch (IllegalAccessException | InvocationTargetException error) {
+                        Log.warning(error);
+                    }
+                }
+            });
         }
     }
 
diff --git a/src/org/traccar/events/GeofenceEventHandler.java b/src/org/traccar/events/GeofenceEventHandler.java
index d31e516ef..fbec932b1 100644
--- a/src/org/traccar/events/GeofenceEventHandler.java
+++ b/src/org/traccar/events/GeofenceEventHandler.java
@@ -57,14 +57,22 @@ public class GeofenceEventHandler extends BaseEventHandler {
 
         Collection<Event> events = new ArrayList<>();
         for (long geofenceId : newGeofences) {
-            Event event = new Event(Event.TYPE_GEOFENCE_ENTER, position.getDeviceId(), position.getId());
-            event.setGeofenceId(geofenceId);
-            events.add(event);
+            long calendarId = geofenceManager.getGeofence(geofenceId).getCalendarId();
+            if (calendarId == 0 || Context.getCalendarManager().getCalendar(calendarId) == null
+                    || Context.getCalendarManager().getCalendar(calendarId).checkMoment(position.getFixTime())) {
+                Event event = new Event(Event.TYPE_GEOFENCE_ENTER, position.getDeviceId(), position.getId());
+                event.setGeofenceId(geofenceId);
+                events.add(event);
+            }
         }
         for (long geofenceId : oldGeofences) {
-            Event event = new Event(Event.TYPE_GEOFENCE_EXIT, position.getDeviceId(), position.getId());
-            event.setGeofenceId(geofenceId);
-            events.add(event);
+            long calendarId = geofenceManager.getGeofence(geofenceId).getCalendarId();
+            if (calendarId == 0 || Context.getCalendarManager().getCalendar(calendarId) == null
+                    || Context.getCalendarManager().getCalendar(calendarId).checkMoment(position.getFixTime())) {
+                Event event = new Event(Event.TYPE_GEOFENCE_EXIT, position.getDeviceId(), position.getId());
+                event.setGeofenceId(geofenceId);
+                events.add(event);
+            }
         }
         return events;
     }
diff --git a/src/org/traccar/model/Calendar.java b/src/org/traccar/model/Calendar.java
new file mode 100644
index 000000000..e1ae5a93d
--- /dev/null
+++ b/src/org/traccar/model/Calendar.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.model;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.sql.SQLException;
+import java.util.Collection;
+import java.util.Date;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+import net.fortuna.ical4j.data.CalendarBuilder;
+import net.fortuna.ical4j.data.ParserException;
+import net.fortuna.ical4j.filter.Filter;
+import net.fortuna.ical4j.filter.PeriodRule;
+import net.fortuna.ical4j.filter.Rule;
+import net.fortuna.ical4j.model.Component;
+import net.fortuna.ical4j.model.DateTime;
+import net.fortuna.ical4j.model.Dur;
+import net.fortuna.ical4j.model.Period;
+import net.fortuna.ical4j.model.component.CalendarComponent;
+import net.fortuna.ical4j.validate.ValidationException;
+
+public class Calendar extends Extensible {
+
+    private String name;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    private byte[] calendarData;
+
+    public byte[] getCalendarData() throws ValidationException, IOException {
+        return calendarData.clone();
+    }
+
+    public void setCalendarData(byte[] calendarData) throws IOException, ParserException, SQLException {
+        setCalendar(calendarData);
+    }
+
+    private net.fortuna.ical4j.model.Calendar calendar;
+
+    @JsonIgnore
+    public net.fortuna.ical4j.model.Calendar getCalendar() {
+        return calendar;
+    }
+
+    public void setCalendar(byte[] calendarData) throws IOException, ParserException, SQLException {
+        CalendarBuilder builder = new CalendarBuilder();
+        calendar = builder.build(new ByteArrayInputStream(calendarData));
+        this.calendarData = calendarData.clone();
+    }
+
+    public boolean checkMoment(Date date) {
+        if (calendar != null) {
+            Period period = new Period(new DateTime(date), new Dur(0, 0, 0, 1));
+            Rule<Component> periodRule = new PeriodRule<Component>(period);
+            Filter<CalendarComponent> filter = new Filter<CalendarComponent>(new Rule[] {periodRule}, Filter.MATCH_ANY);
+            Collection<CalendarComponent> events = filter.filter(calendar.getComponents(Component.VEVENT));
+            if (events != null && !events.isEmpty()) {
+                return true;
+            }
+        }
+        return false;
+    }
+}
diff --git a/src/org/traccar/model/CalendarPermission.java b/src/org/traccar/model/CalendarPermission.java
new file mode 100644
index 000000000..59f54e07b
--- /dev/null
+++ b/src/org/traccar/model/CalendarPermission.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.model;
+
+public class CalendarPermission {
+
+    private long userId;
+
+    public long getUserId() {
+        return userId;
+    }
+
+    public void setUserId(long userId) {
+        this.userId = userId;
+    }
+
+    private long calendarId;
+
+    public long getCalendarId() {
+        return calendarId;
+    }
+
+    public void setCalendarId(long calendarId) {
+        this.calendarId = calendarId;
+    }
+}
diff --git a/src/org/traccar/model/Geofence.java b/src/org/traccar/model/Geofence.java
index 326c45b5f..f10ce6862 100644
--- a/src/org/traccar/model/Geofence.java
+++ b/src/org/traccar/model/Geofence.java
@@ -84,4 +84,13 @@ public class Geofence extends Extensible {
         this.geometry = geometry;
     }
 
+    private long calendarId;
+
+    public long getCalendarId() {
+        return calendarId;
+    }
+
+    public void setCalendarId(long calendarId) {
+        this.calendarId = calendarId;
+    }
 }
diff --git a/test/org/traccar/calendar/CalendarTest.java b/test/org/traccar/calendar/CalendarTest.java
new file mode 100644
index 000000000..44fc9539b
--- /dev/null
+++ b/test/org/traccar/calendar/CalendarTest.java
@@ -0,0 +1,54 @@
+package org.traccar.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 org.junit.Assert;
+import org.junit.Test;
+import org.traccar.model.Calendar;
+
+import net.fortuna.ical4j.data.ParserException;
+
+public class CalendarTest {
+    
+    @Test
+    public void testCalendar() throws IOException, ParserException, ParseException, SQLException {
+        String calendarString = "BEGIN:VCALENDAR\n" + 
+                "PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN\n" + 
+                "VERSION:2.0\n" + 
+                "BEGIN:VTIMEZONE\n" + 
+                "TZID:Asia/Yekaterinburg\n" + 
+                "BEGIN:STANDARD\n" + 
+                "TZOFFSETFROM:+0500\n" + 
+                "TZOFFSETTO:+0500\n" + 
+                "TZNAME:YEKT\n" + 
+                "DTSTART:19700101T000000\n" + 
+                "END:STANDARD\n" + 
+                "END:VTIMEZONE\n" + 
+                "BEGIN:VEVENT\n" + 
+                "CREATED:20161213T045151Z\n" + 
+                "LAST-MODIFIED:20161213T045242Z\n" + 
+                "DTSTAMP:20161213T045242Z\n" + 
+                "UID:9d000df0-6354-479d-a407-218dac62c7c9\n" + 
+                "SUMMARY:Every night\n" + 
+                "RRULE:FREQ=DAILY\n" + 
+                "DTSTART;TZID=Asia/Yekaterinburg:20161130T230000\n" + 
+                "DTEND;TZID=Asia/Yekaterinburg:20161201T070000\n" + 
+                "TRANSP:OPAQUE\n" + 
+                "END:VEVENT\n" + 
+                "END:VCALENDAR";
+        Calendar calendar = new Calendar();
+        calendar.setCalendar(calendarString.getBytes());
+        DateFormat format = new SimpleDateFormat("yyyy-MM-dd hh:mm:ssX");
+        
+        Date date = format.parse("2016-12-13 23:01:00+05");
+        Assert.assertTrue(calendar.checkMoment(date));
+        
+        date = format.parse("2016-12-13 07:01:00+05");
+        Assert.assertTrue(!calendar.checkMoment(date));
+    }
+}