Language Preference: Implementing Translations in FEM about panoptes

[camallen]

The User model has an array attribute to store the preferred languages strings of an individual volunteer,

panoptes/db/structure.sql

Line 1777 in 2794e5b

languages character varying[] DEFAULT '{}'::character varying[] NOT NULL,

https://panoptes.docs.apiary.io/#reference/user/user

This setting is used as a persisted API side setting to ensure the user is presented with content in their desired language,

panoptes/app/controllers/api/api_controller.rb

Line 86 in 2794e5b

api_user.try(:languages) || []

You can use this attribute to provide a list of preferred languages, e.g. 'es, it, he, en-gb' which can be used to select any known translations that match these preferences (prioritized set intersection) to wire up the UI. See our translations system for local codes https://github.com/zooniverse/pandora/blob/2030aa5992b5586181d0b72b1a80680f7310765f/src/constants/languages.js