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After an in-depth discussion on the LTI redesign, this document outlines the technical steps required for implementation and the planned iterations for development.

The final version of the project lists as objectives:

  • Facilitate the process of adding LTIs for administrators and course creators.

  • Create the flow of reusing LTIs in a friendly way

  • Adapt to make it easy to use for all types of users, from zero experts to the most experienced users.

Turning this into tasks there are many interventions that we will need. As this might be a long project we are already suggesting to do this in phases where we prioritize for impact and low cost.

Phase 1

IN PROGRESS

The first phase involves enabling course authors to reuse LTI tools (including those with LTI 1.3) using the existing “Copy to clipboard” and “Duplicate” features in Studio. Additionally, a new interface will be introduced to make LTI tool implementation more user-friendly.

1.1. Alter studio such that lti_consumer xblock is active by default and such that a new component button is available.

The function to load lti_consumer as an xblock for courses would default to true, but ideally this decision should be overridable at the instance or course level. The easiest way to handle this would be to use a waffle flag.

1.2. Graphical editor for the xblock

In this phase, the graphical editor would include the necessary steps for inserting a new lti consumer xblock.

image-20240823-231614.pngimage-20240823-231651.png

At the present time we see two ways of creating such an editor.

  • Using the course-authoring MFE

  • Creating a React based editor for the xblock

Both of them require doing some work on the modal that would hold the editor.

1.3. Fix the re usability with the current tools

There are currently 2 ways of reusing a component in open edX:

  • Duplicate

  • Copy paste

Neither of them work because with the current implementation of lti_consumer xblock the client ID changes for every component that is added. Each client_id needs to be added back in the tool provider and this makes LTI1.3 very annoying to use.
At the botom, this means we are using the Single Tenant mode of the LTI Deployment when we should be using the Multi Tenant Deployment (completely unrelated to multitenancy in the lms). As such, the deployment ID would not longer be fixed to “1” but instead change for every component while the Client_id remains the same.

1.4. Fix the render for 1.3

Partly related to the previous point, when using LTI 1.3, the student_view rendered in studio only shows the configuration variables instead of the rendered LTI component which forces authors to publish and visit the unit in the LMS. We must address this to have both a way to see the final variables as well as the actual render.

1.5. Documentación

The current documentation needs to be updated to include the new LTI tool implementation features, along with detailed step-by-step examples for integrating common tools.

Phase 2

TO DO

This phase needs to create the backbones for the reuse directory.

Links and references:

Phase 3

TO DO

Centralized admin tool

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