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Creating/editing a recurring event makes it an all-day event.

  • M

    Hey,

    Using DAVdroid/1.10.1.1-gplay, editing or creating a recurring event makes all occurrences an all-day event. I tried daily, weekly and monthly events with 10 repetitions. While editing I chose to apply to all occurrences. Editing a single occurrence later also does not work and makes it an all-day event too.

    How to reproduce

    1. Create an event
    2. The local calendar app shows it correctly
    3. Sync
    4. The event is uploaded and the local calendar is updated with an all-day event replacing the exact time of day you have specified

    The following is what gets uploaded for a weekly recurring event on wednesday from 8-9 o’clock:

    PUT /path/to/event.ics HTTP/1.1
If-None-Match: *
Content-Type: text/calendar;charset=utf-8
Content-Length: 3676
Connection: Keep-Alive
Accept-Encoding: gzip
User-Agent: DAVdroid/1.10.1.1-gplay (1/20/18; dav4android; okhttp3) Android/7.0
Accept-Language: en-US, en;q=0.7, *;q=0.5

BEGIN:VCALENDAR
VERSION:2.0
PRODID:+//IDN bitfire.at//DAVdroid/1.10.1.1-gplay ical4j/2.x
BEGIN:VEVENT
DTSTAMP:20180307T095402Z
UID:f3bc7f44-00c7-4601-b913-8c6b335bcf8c
SUMMARY:Schrauwen6
DTSTART;TZID=Europe/Luxembourg:20180321T080000
DURATION:PT3600S
RRULE:FREQ=WEEKLY;WKST=MO;COUNT=10;INTERVAL=1;BYDAY=WE
STATUS:TENTATIVE
BEGIN:VALARM
TRIGGER:-PT10M
ACTION:DISPLAY
DESCRIPTION:Schrauwen6
END:VALARM
END:VEVENT
BEGIN:VTIMEZONE
TZID:Europe/Luxembourg
TZURL:http://tzurl.org/zoneinfo/Europe/Luxembourg
X-LIC-LOCATION:Europe/Luxembourg
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19810329T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19961027T030000
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
END:STANDARD
BEGIN:STANDARD
TZOFFSETFROM:+002436
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19040601T000000
RDATE:19040601T000000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19160514T230000
RDATE:19160514T230000
RDATE:19170428T230000
RDATE:19180415T020000
RDATE:19450402T020000
RDATE:19460519T020000
RDATE:19770403T020000
RDATE:19780402T020000
RDATE:19790401T020000
RDATE:19800406T020000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19161001T010000
RDATE:19161001T010000
RDATE:19170917T010000
RDATE:19180916T030000
RDATE:19440918T030000
RDATE:19450916T030000
RDATE:19461007T030000
RDATE:19770925T030000
RDATE:19781001T030000
RDATE:19790930T030000
RDATE:19800928T030000
RDATE:19810927T030000
RDATE:19820926T030000
RDATE:19830925T030000
RDATE:19840930T030000
RDATE:19850929T030000
RDATE:19860928T030000
RDATE:19870927T030000
RDATE:19880925T030000
RDATE:19890924T030000
RDATE:19900930T030000
RDATE:19910929T030000
RDATE:19920927T030000
RDATE:19930926T030000
RDATE:19940925T030000
RDATE:19950924T030000
END:STANDARD
BEGIN:STANDARD
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
TZNAME:WET
DTSTART:19181125T010000
RDATE:19181125T010000
RDATE:19191005T040000
RDATE:19201024T030000
RDATE:19211026T030000
RDATE:19221008T020000
RDATE:19231007T030000
RDATE:19241005T020000
RDATE:19251004T020000
RDATE:19261003T020000
RDATE:19271002T020000
RDATE:19281007T020000
RDATE:19291006T040000
RDATE:19301005T040000
RDATE:19311004T040000
RDATE:19321002T040000
RDATE:19331008T040000
RDATE:19341007T040000
RDATE:19351006T040000
RDATE:19361004T040000
RDATE:19371003T040000
RDATE:19381002T040000
RDATE:19391119T040000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
TZNAME:WEST
DTSTART:19190302T000000
RDATE:19190302T000000
RDATE:19200215T000000
RDATE:19210315T000000
RDATE:19220326T000000
RDATE:19230422T000000
RDATE:19240330T000000
RDATE:19250406T000000
RDATE:19260418T000000
RDATE:19270410T000000
RDATE:19280415T000000
RDATE:19290421T000000
RDATE:19300413T030000
RDATE:19310419T030000
RDATE:19320403T030000
RDATE:19330326T030000
RDATE:19340408T030000
RDATE:19350331T030000
RDATE:19360419T030000
RDATE:19370404T030000
RDATE:19380327T030000
RDATE:19390416T030000
RDATE:19400225T030000
END:DAYLIGHT
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:WEST
DTSTART:19400514T030000
RDATE:19400514T030000
RDATE:19430329T020000
RDATE:19440403T020000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:WET
DTSTART:19421102T030000
RDATE:19421102T030000
RDATE:19431004T030000
END:STANDARD
BEGIN:STANDARD
TZOFFSETFROM:+0100
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19770101T000000
RDATE:19770101T000000
END:STANDARD
END:VTIMEZONE
END:VCALENDAR

    Trying the same thing in Thunderbird/Lightning looks more reasonable:

    BEGIN:VCALENDAR
PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN
VERSION:2.0
BEGIN:VTIMEZONE
TZID:Europe/Berlin
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19700329T020000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19701025T030000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
LAST-MODIFIED:20180307T094012Z
DTSTAMP:20180307T094012Z
UID:c4bbfa56-ea21-41b6-aa79-f4b3100b87c6
SUMMARY:schrauwen2
PRIORITY:5
RRULE:FREQ=WEEKLY;UNTIL=20180418;BYDAY=WE
DTSTART;TZID=Europe/Berlin:20180307T100000
DTEND;TZID=Europe/Berlin:20180307T110000
SEQUENCE:1
TRANSP:OPAQUE
X-MOZ-GENERATION:3
END:VEVENT
END:VCALENDAR

    Here’s the debug info (sorry can’t share any URLs or identities)

    --- BEGIN DEBUG INFO ---

SOFTWARE INFORMATION
Package: at.bitfire.davdroid
Version: 1.10.1.1-gplay (206) from Jan 20, 2018
Installed from: com.android.vending
JB Workaround installed: no

CONNECTIVITY (at the moment)
Active connection: mobile, CONNECTED

CONFIGURATION
Power saving disabled: no
android.permission.READ_CONTACTS permission: denied
android.permission.WRITE_CONTACTS permission: denied
android.permission.READ_CALENDAR permission: granted
android.permission.WRITE_CALENDAR permission: granted
org.dmfs.permission.READ_TASKS permission: denied
org.dmfs.permission.WRITE_TASKS permission: denied
System-wide synchronization: manually
Account: 
  Address book sync. interval: 240 min
  Calendar     sync. interval: 240 min
  OpenTasks    sync. interval: —
  WiFi only: false
  [CardDAV] Contact group method: GROUP_VCARDS
  [CalDAV] Time range (past days): 90
           Manage calendar colors: false

SQLITE DUMP
android_metadata
	|  locale |
	|  en_US |
----------
services
	|  _id | accountName | service | principal |
	|  1 | 
	|  2 | 
----------
sqlite_sequence
	|  name | seq |
	|  services | 2 |
	|  homesets | 2 |
	|  collections | 24 |
----------
homesets
	|  _id | serviceID | url |
	|  1 | 1 
	|  2 | 2 
----------
collections
	|  _id | serviceID | type | url | readOnly | forceReadOnly | displayName | description | color | timezone | supportsVEVENT | supportsVTODO | source | sync |
	|  1 | 1 | 
	|  2 | 1 | 
	|  3 | 1 | 
	|  4 | 2 | 
	|  5 | 2 | 
	|  6 | 2 | 
	|  7 | 2 |  
	|  8 | 2 | 
	|  9 | 2 | 
	|  10 | 2 |
	|  11 | 2 |
	|  12 | 2 |
	|  13 | 2 |
	|  14 | 2 |
	|  15 | 2 |
	|  16 | 2 |
	|  17 | 2 |
	|  18 | 2 |
	|  19 | 2 |
	|  20 | 2 |
	|  21 | 2 |
	|  22 | 2 |
	|  23 | 2 |
	|  24 | 2 |
----------

SYSTEM INFORMATION
Android version: 7.0 (NRD90M.J730FXXU1AQI5)
Device: samsung SM-J730F (j7y17lte)

--- END DEBUG INFO ---

    Server is MDaemon Email Server

    Thanks,
    Marki

    0 rfc2822 1 Reply
  • rfc2822
    developer

    Hello,

    @marki said in Creating/editing a recurring event makes it an all-day event.:

    Using DAVdroid/1.10.1.1-gplay, editing or creating a recurring event makes all occurrences an all-day event. I tried daily, weekly and monthly events with 10 repetitions. While editing I chose to apply to all occurrences. Editing a single occurrence later also does not work and makes it an all-day event too.

    How to reproduce

    1. Create an event
    2. The local calendar app shows it correctly
    3. Sync
    4. The event is uploaded and the local calendar is updated with an all-day event replacing the exact time of day you have specified

    Is it possible that the server doesn’t understand the event and converts it to an all-day event? The event which is uploaded by DAVdroid looks fine:

    DTSTART;TZID=Europe/Luxembourg:20180321T080000

    Event start time: 21 Mar 2018 08:00:00 Europe/Luxembourg

    DURATION:PT3600S

    Event duration: one hour

    RRULE:FREQ=WEEKLY;WKST=MO;COUNT=10;INTERVAL=1;BYDAY=WE

    Every Wednesday, 10 times.

    Trying the same thing in Thunderbird/Lightning looks more reasonable:

    Why?

    PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN
    BEGIN:VEVENT
    RRULE:FREQ=WEEKLY;UNTIL=20180418;BYDAY=WE

    Every Wednesday until 18 Mar 2018

    DTSTART;TZID=Europe/Berlin:20180307T100000

    Event start time: 7 Mar 2018 10:00:00 Europe/Berlin

    DTEND;TZID=Europe/Berlin:20180307T110000

    Event end time: 11:00

    I don’t see anything wrong here. My guess is that the server rewrites the event to an all-day event, maybe because of the Europe/Luxembourg time zone. Why you can try:

    1. After /path/to/event.ics has been put to the server, have a look at what you GET from the server. Is it still correct or is it an all-day event?

    2. Try another timezone on your Android device. For instance, use Europe/Berlin for a certain event and see whether the problem occurs for this event, too.

    3. If this doesn’t help, send the whole sync logs to play@bitfire.at.

    0 M 1 Reply
  • M

    @rfc2822 said in Creating/editing a recurring event makes it an all-day event.:

    Trying the same thing in Thunderbird/Lightning looks more reasonable:

    Why?

    Yeah, I was confused by the whole definition of the timezone being included in the event (1916, 1917 etc.), my mistake.

    Indeed looking at what is returned from the server after sync is something like this:

    BEGIN:VCALENDAR
PRODID:-//Alt-N Technologies Ltd//MDaemon 17.5.2
VERSION:2.0
METHOD:PUBLISH
BEGIN:VEVENT
UID:af4a2cd0-7ccd-4661-86c8-5bcc7d56ba78
SEQUENCE:0
DTSTAMP:20180307T214530Z
SUMMARY:Schrauwem
PRIORITY:5
DTSTART;VALUE=DATE:20180110
DTEND;VALUE=DATE:20180111
TRANSP:OPAQUE
RRULE:FREQ=WEEKLY;COUNT=10;BYDAY=WE
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER;VALUE=DURATION:-PT10M
END:VALARM
END:VEVENT
END:VCALENDAR

    Clearly, the time is missing.
    I’ll open a ticket with the server vendor.

    Cheers.

    1
3rd-party issue 296 mdaemon 1
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