Upgrading manifest generation to Hyrax 2.9.2 - UVicLibrary/Vault GitHub Wiki

See https://github.com/samvera/hyrax/pull/4412/files

Performance Tests

Loading time is defined by the time for the first thumbnail of a compound object to load. In all instances, caching is disabled. Refreshed page 5 times and recorded the median time.

	5G	Fast 3G	Slow 3G
Before	1:09.64s	1:37.33s	Time out
After	0:08.77s	0:31.96s	Time out

Initial Upgrade Files

Controllers

• concerns/hyku/iiif_manifest

Models

• concerns/hyrax/solr_document_behavior.rb
• concerns/hyrax/solr_document/metadata.rb

Presenters

• hyrax/iiif_manifest_presenter.rb
• hyrax/custom iiif_manifest_presenter.rb (inherits from above)

Services

• hyrax/manifest_builder_service.rb
• hyrax/custom_manifest_builder_service.rb (inherits from above)

Other

• Install Draper gem: gem 'draper', '~> 4.0'

To Do

• Integrate option to cache manifests
• Change config/features.rb to include FlipFlop for manifest caching
• Add support for PNGs with transparency
• Change the JS code in public/uv.html to only show label fields (without "label" in the label)