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README-developers.md

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Project Organization

  • templates/ - we use mustache
  • lib/ - our javascript API and application doe
    • monarch/ - that's us
      • api.js - core API. Wraps OQ/NIF-Fed APIs. See naturaldocs.
      • web/ - web application. See README.md in that dir
        • webapp.js
        • widgets.js

Changing Page Layout

For changes to the basic page layout and content that do not require changing the logic, find the relevant mustache template in the templates directory and make the changes there. This requires no programming. The changes should take effect immediately without you having to restart the server.

Adding new datatypes

Let's say we have ingested a new resource and created a new view using the NIF DISCO system. We wish to expose this in the app, let's say in the disease page.

Extend the API

We first add a new low-level API call to api.js. Clone an existing method (e.g. fetchOmimDiseasePhenotypeAsAssocations), and modify:

  • The ID of the view (e.g. nlx_12345_1)
  • The callback function used to translate the flat tuple into a nested json object

Then add a call to your new method to fetchDiseaseInfo (assuming the new view provides disease related data), or to any of the other high-level API calls.

Map to RDF (optional)

Currently this is not required as the application is not driven by the RDF, but it is good practice to ensure that the JSON model you come up with in the API is extensible, uses good ID practice and easily mapped to RDF.

The mapping is achieved by editing the JSON-LD @context tag. See getJsonLdContext() at the end of api.js. Currently there is one monolithic context for all of Monarch but in future this may be modularized.

Create a widget

Open widgets.js and create a new widget for displaying your data. This is typically a table but could be anything. Clone an existing function.

Register the widget

In webapp.js, find the relevant path (e.g. /disease/:id) and register.

Let's say you are adding "stuff" to the disease page, and the widget you created is called genTableOfMyStuff, and your API extension adds an extra associative array or list to the disease object keyed by 'stuff':

info.myStuff = function() {return genTableOfMyStuff(info.stuff)} ;

Modify the template

Assuming you are adding to the disease page, add an html div like the following:

{{{myStuff}}}

If you want to add a download json/rdf button, see other examples in the template.

Restart the server

Kill the server and restart:

./start-server.sh

That's it!