GeoNetwork UI and microservices codesprint January 2021

When & Where?

• 25 to 29 January
• The sprint will be remote

Who?

• Florent
• Michel
• Francois
• Jose

Sponsors

• EEA
• Ifremer

Agenda

Main goals for this sprint:

1. Have web components working for the 2 use cases - simple list and simple search with facet (https://geonetwork.github.io/geonetwork-ui/master/demo/eea/)
2. Deploy OGC API record service in standalone mode with JSON/XML and RSS output format

GN-UI - JS app https://github.com/geonetwork/geonetwork-ui

(ordered by priority)

• Search / Multiple search in the same page
• Search / Multiple search in the same page / Demo web component page with 2 search result list component (eg. one about forest, one about marine)
• Fix Internationalisation in WC
• WC / Search results list / Filter / Check that lucene expression can be use and add an additional full text search attribute
• Paging / Infinite scroll and/or simple paging? https://github.com/geonetwork/geonetwork-ui/pull/92
• Search / Reset all search criteria actions
• Doc / Add how to connect to GN4? eg. test with EEA node (URL is different and base path may also be). We may want to connect to a portal so srv is not hardcoded eg. https://sdi.eea.europa.eu/catalogue/fise
• Facet / Filter and histogram / Click on facet add the filter (currently only displayed is done)
• Facet / Custom layout support eg. icon layout, big number layout, ... Check how checkbox layout can be replaced/extended to an icon layout (eg. https://inspire-geoportal.ec.europa.eu/overview.html?view=pdEuOverview&legislation=all with flags) - Combined with the initial metric component ? Check that 2 facets components can interact in the same page eg. default on left side and one facet as icon somewhere else in the page.
• Facet / Click on a facet should preserve initial values for this facet so we can select another value eg. test on update frequency. Maybe we should be able to define on a per facet basis if we want to do an OR or AND on a facet (some site provides match all/match any option).
• Refactor ES types
• Facet / Tree support
• Facet / Add more terms if all facets are not displayed https://github.com/geonetwork/geonetwork-ui/pull/49

Micro services

• OGC API Records https://github.com/geonetwork/geonetwork-microservices/pull/29

• RSS & DCAT output format
• Index model - from standards to Index Model, from search to Index model to "simple" output RSS/JSONLD/DCAT/...

• OGC API Records / Collection page should be described from discovery service metadata record
• Landing page / HTML layout - Define template https://apps.titellus.net/ogcapi/collections?f=html
• Landing page / Setup a cache mechanism on disk (to be a replacement of https://github.com/geonetwork/core-geonetwork/pull/4299)

Discussions

Translations

Current situation:

• GN4 / Translations

  • static files in (4 calls) locales/core|edit|admin|v4.json
  • DB translations (1 call for all) eg. groups, categories, operations
  • Default standard codelists (3 API call for 3 codelists) eg. resourceTypes
  • See https://github.com/geonetwork/core-geonetwork/blob/master/web-ui/src/main/resources/catalog/js/GnSearchModule.js#L53-L61
  • Then for each standards, additional translations
  • See https://github.com/geonetwork/core-geonetwork/blob/master/web-ui/src/main/resources/catalog/js/GnSchemaTranslationsLoaderModule.js#L33-L41

• GN-UI

  • Assets (one per app https://github.com/geonetwork/geonetwork-ui/blob/master/apps/search/src/assets/i18n/en.json)
  • • codelists https://github.com/geonetwork/geonetwork-ui/blob/master/libs/common/src/lib/i18n/i18n.service.ts

Goals:

• Limit number (and time) to init translations
• Avoid keys to be displayed on loading or when not available (fallback language?)
• UI can be customized (eg. aggregations) - some labels must be loaded dynamically

Questions? How to improve?

• Add a server side API for translations
• packing up all translations in one file
• Caching
• Fallback languages
• Report missing translations.
• Load subset of translations
• 2 technologies
• One build per language (faster)
• Loading translation on bootstrap

Summary