dhis2-devs team mailing list archive

[Lars Helge Øverland <larshelge@xxxxxxxxx>]

Hi Calle,

I think in this case "document" refers to "JSON document" (simply a JSON
<http://www.json.org/> structure) rather than text documents such as
word/pdf/etc.

That said I think it could definitely be interesting to use DHIS as a
document repository. Two approaches might work:

- use the "resource" feature (Apps > Reports > Resource) to upload and
store text documents, in combination with the sharing
<https://www.dhis2.org/doc/snapshot/en/user/html/ch07.html> solution for
access control. Resources (documents) are searchable, available for
download and also accessible through the web api. We could easily extend
this with an app to provide a nicer user interface.

- in 2.17 we introduce support for long text for data values (12 pages per
value) for data capture and also support for text in analytics. This could
make the system feasible as a "light-weight cms" where you could store text
directly in the database. This could give some interesting opportunities
for combining the text in various ways in reports, as narratives, as
explanations to data, as parts of web pages and so on.

best regards,

Lars







On Fri, Nov 21, 2014 at 3:48 AM, Calle Hedberg <calle.hedberg@xxxxxxxxx>
wrote:

> Hi
>
> I've noted an increased interest from many DHIS users to store,
> deliver, and search source documents (policy, annual performance
> plans, and similar) in an integrated manner - for instance, a recent
> Request for Proposals for the Office of Standards Compliance in SA
> outlined a integrated data & document system.
>
> PostgreSQL 9.4 is now 2-3 weeks from final release, and the main new
> feature is the new JSONB data type, ref PG Wiki:
>
> "With the new JSONB data type for PostgreSQL, users no longer have to
> choose between relational and non-relational data stores: they can
> have both at the same time. JSONB supports fast lookups and simple
> expression search queries using Generalized Inverted Indexes (GIN).
> Multiple new support functions enables users to extract and manipulate
> JSON data, with a performance which matches or surpasses the most
> popular document databases. With JSONB, table data can be easily
> integrated with document data for a fully integrated database
> environment."
>
> Has any other DHIS development or user team considered how to
> integrate documents into their overall DHIS system?
>
> Regards from Juba, South Sudan
> Calle
>
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> Calle Hedberg
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