[ckan-dev] Freshness field

Wed Oct 19 16:41:19 UTC 2016

We implement some of these fields in our dataset schema on the Canadian
portal.

For our "freshness" field I tried to use ISO 8601 repeating intervals as
the values stored where they fit our controlled list:
https://github.com/open-data/ckanext-canada/blob/canada-v2.5/ckanext/canada/schemas/presets.yaml#L1871-L1948

CKAN includes a date on resources that is updated when new files are
uploaded, but nothing for linked resources (all our resources currently)
The update date fields we have must be updated manually or harvested from
systems that track it.

On Wed, Oct 19, 2016 at 1:12 PM, Dan Mihaila <danmihaila at gmail.com> wrote:

> Hello,
> We want to implement in our HDX data portal (http://data.humdata.org/) a
> field (data freshness) which will help users to specify what is the
> interval of time the data will refresh or a resource will be updated.
> Basically we want to add at dataset level the data_update_frequency field.
> Also there are 2 important fields that can help us trying to see what
> resources needs updates or updated.
>
>    1. data_update_frequency  - Dataset expected update frequency  - Shows
>    how often the data is expected to be updated or at least checked to see if
>    it needs updating
>    2. dataset_date  -  Dataset date  -  The date referred to by the data
>    in the dataset. It changes when data for a new date comes to HDX so may not
>    need to change for minor updates
>    3. revision_last_updated  -  Resource last modified date  -  Indicates
>    the last time the resource was updated irrespective of whether it was a
>    major or minor change
>
>
> Are you aware of any extension that is doing this? In case there is no
> extension (I couldn't find it) are any other people/projects interested in
> such an extension?
>
> *Dan Mihaila*, IT Consultant
> (M) +40 722 502 304 • (GTalk) dan.mihaila at gmail.com • (Skype) carcotelul
> • (Twitter) dan_mihaila • (Yahoo) carcotelul
>   <dmihaila at dginternational.org>
>
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