Specify user modifiable ATTRIBUTES

app/controllers/default/units_controller.rb

@@ -18,9 +18,10 @@ class Default::UnitsController < ApplicationController
   end
 
   def import
+    params = @unit.slice(Unit::ATTRIBUTES - [:symbol, :base_id])
     current_user.units
       .find_or_initialize_by(symbol: @unit.symbol)
-      .update!(base: @base, **@unit.slice(:name, :multiplier))
+      .update!(base: @base, **params)
     run_and_render :index
   end
 
@@ -40,6 +41,6 @@ class Default::UnitsController < ApplicationController
 
   def find_unit(user)
     @unit = Unit.find_by!(id: params[:id], user: user)
-    @base = Unit.find_by!(symbol: @unit.base.symbol, user: user? ? nil : user) if @unit.base
+    @base = Unit.find_by!(symbol: @unit.base.symbol, user: user ? nil : current_user) if @unit.base
   end
 end

app/controllers/units_controller.rb

@@ -58,7 +58,7 @@ class UnitsController < ApplicationController
   private
 
   def unit_params
-    params.require(:unit).permit(:symbol, :name, :base_id, :multiplier)
+    params.require(:unit).permit(Unit::ATTRIBUTES)
   end
 
   def find_unit

app/models/unit.rb

@@ -1,4 +1,6 @@
 class Unit < ApplicationRecord
+  ATTRIBUTES = [:symbol, :name, :multiplier, :base_id]
+
   belongs_to :user, optional: true
   belongs_to :base, optional: true, class_name: "Unit"
   has_many :subunits, class_name: "Unit", dependent: :restrict_with_error, inverse_of: :base

app/views/default/units/index.html.erb

@@ -1,6 +1,7 @@
 <div class="rightside buttongrid">
   <% if current_user.at_least(:active) %>
-    <%= image_link_to t('.import_all'), 'download-multiple-outline',
+    <%# TODO: implement Import all %>
+    <%#= image_link_to t('.import_all'), 'download-multiple-outline',
       import_all_default_units_path, data: {turbo_stream: true} %>
   <% end %>
   <%= image_link_to t('.back'), 'arrow-left-bold-outline', units_path, class: 'tools' %>