FairEmail/app/src/main/java/eu/faircode/email/CalendarHelper.java

233 lines
12 KiB
Java

package eu.faircode.email;
/*
This file is part of FairEmail.
FairEmail is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
FairEmail is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
Copyright 2018-2022 by Marcel Bokhorst (M66B)
*/
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.provider.CalendarContract;
import android.text.TextUtils;
import java.util.Date;
import java.util.List;
import java.util.TimeZone;
import biweekly.ICalVersion;
import biweekly.ICalendar;
import biweekly.component.VEvent;
import biweekly.io.WriteContext;
import biweekly.io.scribe.property.RecurrenceRuleScribe;
import biweekly.parameter.ParticipationStatus;
import biweekly.property.Attendee;
import biweekly.property.RecurrenceRule;
import biweekly.util.ICalDate;
public class CalendarHelper {
static void insert(Context context, ICalendar icalendar, VEvent event,
String selectedAccount, String selectedName, EntityMessage message) {
String summary = (event.getSummary() == null ? null : event.getSummary().getValue());
String description = (event.getDescription() == null ? null : event.getDescription().getValue());
String location = (event.getLocation() == null ? null : event.getLocation().getValue());
ICalDate start = (event.getDateStart() == null ? null : event.getDateStart().getValue());
ICalDate end = (event.getDateEnd() == null ? null : event.getDateEnd().getValue());
String rrule = null;
RecurrenceRule recurrence = event.getRecurrenceRule();
if (recurrence != null) {
RecurrenceRuleScribe scribe = new RecurrenceRuleScribe();
WriteContext wcontext = new WriteContext(ICalVersion.V2_0, icalendar.getTimezoneInfo(), null);
rrule = scribe.writeText(recurrence, wcontext);
}
String uid = (event.getUid() == null ? null : event.getUid().getValue());
if (TextUtils.isEmpty(uid) || start == null || end == null)
return;
ContentResolver resolver = context.getContentResolver();
try (Cursor cursor = resolver.query(CalendarContract.Calendars.CONTENT_URI,
new String[]{CalendarContract.Calendars._ID},
CalendarContract.Calendars.VISIBLE + " <> 0 AND " +
CalendarContract.Calendars.ACCOUNT_NAME + " = ?" +
(selectedName == null
? ""
: " AND " + CalendarContract.Calendars.CALENDAR_DISPLAY_NAME + " = ?"),
selectedName == null
? new String[]{selectedAccount}
: new String[]{selectedAccount, selectedName},
null)) {
if (cursor.getCount() == 0)
EntityLog.log(context, EntityLog.Type.General, message,
"Account not found account=" + selectedAccount + ":" + selectedName);
if (cursor.moveToNext()) {
// https://developer.android.com/guide/topics/providers/calendar-provider#add-event
// https://developer.android.com/reference/android/provider/CalendarContract.EventsColumns
long calId = cursor.getLong(0);
ContentValues values = new ContentValues();
values.put(CalendarContract.Events.CALENDAR_ID, calId);
if (!TextUtils.isEmpty(uid))
values.put(CalendarContract.Events.UID_2445, uid);
values.put(CalendarContract.Events.EVENT_TIMEZONE, TimeZone.getDefault().getID());
values.put(CalendarContract.Events.DTSTART, start.getTime());
values.put(CalendarContract.Events.DTEND, end.getTime());
if (rrule != null)
values.put(CalendarContract.Events.RRULE, rrule);
if (!TextUtils.isEmpty(summary))
values.put(CalendarContract.Events.TITLE, summary);
if (!TextUtils.isEmpty(description))
values.put(CalendarContract.Events.DESCRIPTION, description);
if (!TextUtils.isEmpty(location))
values.put(CalendarContract.Events.EVENT_LOCATION, location);
values.put(CalendarContract.Events.STATUS, CalendarContract.Events.STATUS_TENTATIVE);
Uri uri = resolver.insert(CalendarContract.Events.CONTENT_URI, values);
long eventId = Long.parseLong(uri.getLastPathSegment());
EntityLog.log(context, EntityLog.Type.General, message, "Inserted event" +
" id=" + calId + ":" + eventId +
" uid=" + uid +
" tz=" + TimeZone.getDefault().getID() +
" start=" + new Date(start.getTime()) +
" end=" + new Date(end.getTime()) +
" rrule=" + rrule +
" summary=" + summary +
" location=" + location);
for (Attendee a : event.getAttendees())
try {
String email = a.getEmail();
String name = a.getCommonName();
String role = (a.getRole() == null ? null : a.getRole().getValue());
String level = (a.getParticipationLevel() == null ? null
: a.getParticipationLevel().getValue(icalendar.getVersion()));
String status = (a.getParticipationStatus() == null ? null : a.getParticipationStatus().getValue());
ContentValues avalues = new ContentValues();
if (!TextUtils.isEmpty(email))
avalues.put(CalendarContract.Attendees.ATTENDEE_EMAIL, email);
if (!TextUtils.isEmpty(name))
avalues.put(CalendarContract.Attendees.ATTENDEE_NAME, name);
if ("ORGANIZER".equals(role))
avalues.put(CalendarContract.Attendees.ATTENDEE_RELATIONSHIP, CalendarContract.Attendees.RELATIONSHIP_ORGANIZER);
else if ("ATTENDEE".equals(role))
avalues.put(CalendarContract.Attendees.ATTENDEE_RELATIONSHIP, CalendarContract.Attendees.RELATIONSHIP_ATTENDEE);
if ("REQUIRE".equals(level) || "REQ-PARTICIPANT".equals(level))
avalues.put(CalendarContract.Attendees.ATTENDEE_TYPE, CalendarContract.Attendees.TYPE_REQUIRED);
else if ("REQUEST".equals(level) || "OPT-PARTICIPANT".equals(level))
avalues.put(CalendarContract.Attendees.ATTENDEE_TYPE, CalendarContract.Attendees.TYPE_OPTIONAL);
if ("ACCEPTED".equals(status) || "CONFIRMED".equals(status))
avalues.put(CalendarContract.Attendees.ATTENDEE_STATUS, CalendarContract.Attendees.ATTENDEE_STATUS_ACCEPTED);
else if ("DECLINED".equals(status))
avalues.put(CalendarContract.Attendees.ATTENDEE_STATUS, CalendarContract.Attendees.ATTENDEE_STATUS_DECLINED);
else if ("TENTATIVE".equals(status))
avalues.put(CalendarContract.Attendees.ATTENDEE_STATUS, CalendarContract.Attendees.ATTENDEE_STATUS_TENTATIVE);
else if ("NEEDS-ACTION".equals(status))
avalues.put(CalendarContract.Attendees.ATTENDEE_STATUS, CalendarContract.Attendees.ATTENDEE_STATUS_NONE);
avalues.put(CalendarContract.Attendees.EVENT_ID, eventId);
Uri auri = resolver.insert(CalendarContract.Attendees.CONTENT_URI, avalues);
long attendeeId = Long.parseLong(auri.getLastPathSegment());
EntityLog.log(context, EntityLog.Type.General, message, "Inserted attendee" +
" id=" + eventId + ":" + attendeeId +
" email=" + email +
" name=" + name +
" role=" + role +
" level=" + level +
" status=" + status);
} catch (Throwable ex) {
Log.w(ex);
}
}
}
}
static void update(Context context, VEvent event, EntityMessage message) {
String uid = (event.getUid() == null ? null : event.getUid().getValue());
if (TextUtils.isEmpty(uid))
return;
List<Attendee> attendees = event.getAttendees();
if (attendees == null || attendees.size() == 0)
return;
ParticipationStatus status = attendees.get(0).getParticipationStatus();
if (!ParticipationStatus.ACCEPTED.equals(status) &&
!ParticipationStatus.DECLINED.equals(status))
return;
ContentResolver resolver = context.getContentResolver();
try (Cursor cursor = resolver.query(CalendarContract.Events.CONTENT_URI,
new String[]{CalendarContract.Events._ID},
CalendarContract.Events.UID_2445 + " = ?",
new String[]{uid},
null)) {
while (cursor.moveToNext()) {
long eventId = cursor.getLong(0);
// https://developer.android.com/guide/topics/providers/calendar-provider#modify-calendar
Uri updateUri = ContentUris.withAppendedId(CalendarContract.Events.CONTENT_URI, eventId);
ContentValues values = new ContentValues();
if (ParticipationStatus.ACCEPTED.equals(status))
values.put(CalendarContract.Events.STATUS, CalendarContract.Events.STATUS_CONFIRMED);
else
values.put(CalendarContract.Events.STATUS, CalendarContract.Events.STATUS_CANCELED);
int rows = resolver.update(updateUri, values, null, null);
EntityLog.log(context, EntityLog.Type.General, message,
"Updated event id=" + eventId + " uid=" + uid + " rows=" + rows);
}
}
}
static void delete(Context context, VEvent event, EntityMessage message) {
String uid = (event.getUid() == null ? null : event.getUid().getValue());
if (TextUtils.isEmpty(uid))
return;
ContentResolver resolver = context.getContentResolver();
try (Cursor cursor = resolver.query(CalendarContract.Events.CONTENT_URI,
new String[]{CalendarContract.Events._ID},
CalendarContract.Events.UID_2445 + " = ? ",
new String[]{uid},
null)) {
while (cursor.moveToNext()) {
long eventId = cursor.getLong(0);
// https://developer.android.com/guide/topics/providers/calendar-provider#delete-event
Uri deleteUri = ContentUris.withAppendedId(CalendarContract.Events.CONTENT_URI, eventId);
int rows = resolver.delete(deleteUri, null, null);
EntityLog.log(context, EntityLog.Type.General, message,
"Deleted event id=" + eventId + " uid=" + uid + " rows=" + rows);
}
}
}
}