dhis2-users team mailing list archive

[Knut Staring <knutst@xxxxxxxxx>]

Thanks Jason and Bob.

Unfortunately, this seems to be a pressing requirement in several countries

I think one simplification that could be justified would be to have only
one week type in one DHIS2 instance. Thus, the exact meaning of 2012W25 is
defined by looking at the FIRSTDAYOFWEEK setting in the particular db
(which probably should be displayed on the About DHIS 2 page.

Of course, that does not solve interoperability issues (but rather it
deteriorate through obfuscation), but I think it is reasonable to think
that everyone in Cambodia uses weeks starting on Wednesdays.




On Fri, Jun 14, 2013 at 5:29 PM, Bob Jolliffe <bobjolliffe@xxxxxxxxx> wrote:

> Weeks are as we all know something of a headache.  What we have defined
> currently in DHIS2, as Jason points out, is the ISO standard week, which
> even itself is something of a headache.
>
> I suspect that to incorporate all the variety which is called for
> (Wednesday week starts is the most exotic I've seen to date!  But there are
> also Islamic calendar issues, Ethiopian/Amharic calendar, Monday vs Sunday
> starts etc)  we might need to zoom right out to define a generic repeating
> period with rules around starting and stopping.  But it could get quite
> complicated.  Two immediate issues which come to mind
> (i) we need a string representation of periods.  So 2010W23 has a
> particular meaning in terms of the ISO week number.  How to differentiate
> this from a week which starts on a Wednesday (and which day of the year
> would be day 1 of week 1?);
> (ii) how to aggregate along the time axis ie, weeks->months->years
>
> Its something which needs to be done, but I am not at all clear what the
> correct design approach would be.  Would be interested to hear people's
> thoughts.
>
> Bob
>
>
> On 14 June 2013 17:12, Knut Staring <knutst@xxxxxxxxx> wrote:
>
>> Devs: Is this something which could be targeted for 2.13?
>>
>> Knut
>>
>>
>> On Mon, May 13, 2013 at 6:18 PM, Jason Pickering <
>> jason.p.pickering@xxxxxxxxx> wrote:
>>
>>> Currently not. This has come up before, but for now, ISO weeks are what
>>> has been implemented.
>>>
>>>  http://en.wikipedia.org/wiki/ISO_week_date
>>>
>>> Regards,
>>> Jason
>>>
>>>
>>>
>>> On Mon, May 13, 2013 at 6:54 PM, Paulo Grácio <
>>> pgracio@xxxxxxxxxxxxxxxxxxxx> wrote:
>>>
>>>> Hi, ****
>>>>
>>>> ** **
>>>>
>>>> Is there a way to define week start day for Weekly periods?****
>>>>
>>>> ** **
>>>>
>>>> Regards,****
>>>>
>>>> Paulo Grácio****
>>>>
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>>>
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>>
>>
>> --
>> Knut Staring
>> Dept. of Informatics, University of Oslo
>> +4791880522
>> http://dhis2.org
>>
>> _______________________________________________
>> Mailing list: https://launchpad.net/~dhis2-users
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>> Unsubscribe : https://launchpad.net/~dhis2-users
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>>
>


-- 
Knut Staring
Dept. of Informatics, University of Oslo
+4791880522
http://dhis2.org