sortable? -> sorted_by

app/models/procedure_presentation.rb

@@ -161,13 +161,13 @@ class ProcedurePresentation < ApplicationRecord
     slice(:filters, :sort, :displayed_fields)
   end
 
-  def sortable?(field)
-    sort['table'] == field.table &&
-    sort['column'] == field.column
+  def sorted_by?(facet)
+    sort['table'] == facet.table &&
+    sort['column'] == facet.column
   end
 
   def aria_sort(order, field)
-    if sortable?(field)
+    if sorted_by?(field)
       if order == 'asc'
         { "aria-sort": "ascending" }
       elsif order == 'desc'

app/views/instructeurs/procedures/_header_field.html.haml

@@ -1,6 +1,6 @@
 %th{ @procedure_presentation.aria_sort(@procedure_presentation.sort['order'], field), scope: "col", class: field.classname }
   = link_to update_sort_instructeur_procedure_path(@procedure, table: field.table, column: field.column, order: @procedure_presentation.opposite_order_for(field.table, field.column)) do
-    - if @procedure_presentation.sortable?(field)
+    - if @procedure_presentation.sorted_by?(field)
       - if @procedure_presentation.sort['order'] == 'asc'
         #{field.label} ↑
       - else