Offline Downloads Improvements

[marcotuts]

Goal:
Follow-up effort to recent download capability introduced in “Fully Offline Courses (Text and Problems)” work in Q2.

Scope / Draft Improvements:

• We would like to introduce automatic downloading of upcoming content sections, all in service of providing learners in limited bandwidth environments more control over their offline learning and content access.
• Download limit setting and associated messages.
• Improved offline status messaging will be considered as well.
• Cache loading where possible across app instead of expecting server API call
• Automatic refresh of pages with updated content
• Reuse JS / CSS for offline components for reduced storage size
• Video download size
• Completion for HTML / Text block while offline
• Support for translation of capa / text problem strings to render offline in mobile language preference
• Studio visiblity into mobile friendly blocks.

Tasks

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1. Improve Video Duration / Sizing Metadata for Mobile App Usage

[marcotuts]

Notes: Need to find a place for both automatic content downloads (as well as thoughtful resync prompts)

[ProductRyan]

We should consider bringing back individual subsection downloads so that we can help folks manage their bandwidth and device storage.

I also love the idea of smartly pre-downloading the next section and removing previous sections as a learner progresses, perhaps based on their defined storage allocation to the app.

I'm also interested in having configuration settings that allow operators to define which download features are available by seat type. For instance limiting HD quality and Bulk download capability to a paying seat type to control costs.