[Rets-dev] Retrieve only changed photos?

[Jonathan Heintzeman]

>
> option 2)
> query the resource (classes) related to your objects
>

I fail to see that anywhere in my RETS documentation would you be willing to
provide an example?



On 8/13/07, JP Fielding <jp.fielding at threewide.com> wrote:
>
> this is something that the rets getobject transaction does not provide.
> to get this information, i can suggest 2 paths:
>
> option 1)
> some servers support a MEDIA resource, which can contain various bits of
> this information (only some vendors support this, and not always the same
> way)
>
> option 2)
> you can to query the resource (classes) related to your objects, and find
> the photo count and photo modified dates.   ive seen few servers that dont
> provide both of these fields.   this would give you an idea of which
> listings to pull and how many to expect, although i would use the date and
> then pull all photos for that listing as photo servers and the data arent
> always kept in sync).  while this is less granular than a date per photo
> approach, its viable as an implementation across all servers.
>
> ../GetObject?Type=Photo&Resource=Property&ID=999999:*&rets-version=rets/1.5
>
>
>
> hope that helps,
> jp
>
> On 8/13/07, Jonathan Heintzeman <heintzeman at gmail.com> wrote:
>
> > I have had no problem retrieving images however I have had trouble
> > determining which images have changed and how many images a listing has.
> >
> > So this gets one photo:
> >
> > .../GetObject?Type=Photo&Resource=Property&ID=999999:9&rets-version=rets/1.5
> >
> >
> > Where 9 represents a valid number.
> >
> > How do I retrieve only changed photos?
> >
> > _______________________________________________
> > Rets-dev mailing list
> > Rets-dev at rets.org
> > http://lists.rets.org/mailman/listinfo/rets-dev
> >
> >
>
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