[WiP] Add admin interface to edit rule translations

app/controllers/admin/rules_controller.rb

@@ -54,7 +54,7 @@ module Admin
 
     def resource_params
       params
-        .expect(rule: [:text, :hint, :priority])
+        .expect(rule: [:text, :hint, :priority, translations_attributes: [[:id, :language, :text, :hint, :_destroy]]])
     end
   end
 end

app/models/rule.rb

@@ -20,6 +20,7 @@ class Rule < ApplicationRecord
   self.discard_column = :deleted_at
 
   has_many :translations, inverse_of: :rule, class_name: 'RuleTranslation', dependent: :destroy
+  accepts_nested_attributes_for :translations, reject_if: :all_blank, allow_destroy: true
 
   validates :text, presence: true, length: { maximum: TEXT_SIZE_LIMIT }
 

app/views/admin/rules/_translation_fields.html.haml

@@ -0,0 +1,27 @@
+%tr.nested-fields
+  %td
+    .fields-row
+      .fields-row__column.fields-group
+        = f.input :language,
+                  collection: ui_languages,
+                  include_blank: false,
+                  label_method: ->(locale) { native_locale_name(locale) }
+
+      .fields-row__column.fields-group
+        = f.hidden_field :id if f.object&.persisted? # Required so Rails doesn't put the field outside of the <tr/>
+        = link_to_remove_association(f, class: 'table-action-link') do
+          = safe_join([material_symbol('close'), t('filters.index.delete')])
+
+    .fields-group
+      = f.input :text,
+                label: I18n.t('simple_form.labels.rule.text'),
+                hint: I18n.t('simple_form.hints.rule.text'),
+                input_html: { lang: f.object&.language },
+                wrapper: :with_block_label
+
+    .fields-group
+      = f.input :hint,
+                label: I18n.t('simple_form.labels.rule.hint'),
+                hint: I18n.t('simple_form.hints.rule.hint'),
+                input_html: { lang: f.object&.language },
+                wrapper: :with_block_label

app/views/admin/rules/edit.html.haml

@@ -6,5 +6,26 @@
 
   = render form
 
+  %hr.spacer/
+
+  %h4= t('admin.rules.translations')
+
+  %p.hint= t('admin.rules.translations_explanation')
+
+  .table-wrapper
+    %table.table.keywords-table
+      %thead
+        %tr
+          %th= t('admin.rules.translation')
+          %th
+      %tbody
+        = form.simple_fields_for :translations do |translation|
+          = render 'translation_fields', f: translation
+      %tfoot
+        %tr
+          %td{ colspan: 3 }
+            = link_to_add_association form, :translations, class: 'table-action-link', partial: 'translation_fields', 'data-association-insertion-node': '.keywords-table tbody', 'data-association-insertion-method': 'append' do
+              = safe_join([material_symbol('add'), t('admin.rules.add_translation')])
+
   .actions
     = form.button :button, t('generic.save_changes'), type: :submit

config/locales/en.yml

@@ -786,11 +786,15 @@ en:
       title: Roles
     rules:
       add_new: Add rule
+      add_translation: Add translation
       delete: Delete
       description_html: While most claim to have read and agree to the terms of service, usually people do not read through until after a problem arises. <strong>Make it easier to see your server's rules at a glance by providing them in a flat bullet point list.</strong> Try to keep individual rules short and simple, but try not to split them up into many separate items either.
       edit: Edit rule
       empty: No server rules have been defined yet.
       title: Server rules
+      translation: Translation
+      translations: Translations
+      translations_explanation: You can optionally add translations for the rules. The default value will be shown if no translated version is available. Please always ensure any provided translation is in sync with the default value.
     settings:
       about:
         manage_rules: Manage server rules