RE: [contacts-manager-api] Preferred ContactField

Hi,

While we could make the "preferred" attribute an integer instead of a boolean to fully conform to the vCard v4 format. My personal opinion is that using a boolean would be a good compromise:
- It conforms with the "Pick Contacts Intent" API [1]
- It is mostly compatible with vCard v4 (basically a subset)
- It is compatible with vCard v3
- We have a clean separation between type and preferred state
- Using a boolean is not as complex as using an integer.

Of course, I would be fine using an integer and more closely match the vCard v4 format if others feel more strongly about this.

Tomoyuki also makes a good point that there should be exactly one or *no* element in the array with its preferred attribute set to True as the PREF parameter is optional is vCard format [2].

[1] http://w3c-test.org/dap/contacts/#the-contactfield-dictionary
[2] http://tools.ietf.org/html/rfc6350#section-5.3

Kr,
Christophe DUMEZ.
________________________________________
From: Tomoyuki SHIMIZU [tomoyuki.labs@gmail.com]
Sent: Wednesday, March 13, 2013 03:44
To: public-sysapps@w3.org
Subject: Re: [contacts-manager-api] Preferred ContactField

Hi,

> But Christophe has a point that there needs to be a documentation that should only be one element of the array with its preferred value set to 'true'.


I agree with that point, except that the PREF parameter in vCard is optional[1]. If this attribute is determined as boolean, there should be one or no element with its preferred (or pref) attribute set to 'true'.

BTW, vCard v4 defines the PREF parameter as an integer between 1 and 100, which indicates the level of preference[1]. If we would follow it, 'pref' (or 'preferred') attribute should be defined as an integer in the same manner as vCard v4.

Any thoughts on this?

Regards,
Tomoyuki

[1] http://tools.ietf.org/html/rfc6350#section-5.3


On Mar 13, 2013, at 6:38 , Suresh Chitturi <schitturi@blackberry.com> wrote:

>
>> -----Original Message-----
>> From: Tomoyuki SHIMIZU [mailto:tomoyuki.labs@gmail.com]
>> Sent: Monday, March 11, 2013 11:54 PM
>> To: public-sysapps@w3.org
>> Subject: Re: [contacts-manager-api] Preferred ContactField
>>
>> Hi Christophe,
>>
>>> I see 2 potential alternatives:
>>> 1. Add a "preferred" boolean attribute to ContactField interface 2.
>>> Document that the first element in the array is always the preferred
>>> one
>>
>> ContactField interface in Pick Contacts Intent [1] has 'pref' boolean attribute
>> equivalent to 1.
>
> Right, this was done to keep it separate from 'type' attribute.
> But Christophe has a point that there needs to be a documentation that should only be one element of the array with its preferred value set to 'true'.
>
> Regards,
> Suresh
>
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Received on Friday, 22 March 2013 11:42:01 UTC