Add field sort to the dossiers table

app/models/dossier.rb

@@ -349,6 +349,10 @@ class Dossier < ActiveRecord::Base
     end
   end
 
+  def self.sanitize_for_order(order)
+    sanitize_sql_for_order(order)
+  end
+
   private
 
   def build_attestation

app/models/procedure.rb

@@ -232,6 +232,14 @@ class Procedure < ActiveRecord::Base
     end
   end
 
+  def self.default_sort
+    {
+      'table' => 'self',
+      'column' => 'id',
+      'order' => 'desc'
+    }.to_json
+  end
+
   private
 
   def field_hash(label, table, column)

app/models/procedure_presentation.rb

@@ -6,4 +6,8 @@ class ProcedurePresentation < ActiveRecord::Base
       field = JSON.parse(field)
     end
   end
+
+  def sort
+    JSON.parse(read_attribute(:sort))
+  end
 end