README.md in ntq_excelsior-1.0.3 vs README.md in ntq_excelsior-1.1.0

@@ -30,11 +30,12 @@
     name: 'Utilisateurs',
     extra_headers: [
       [
         {
           title: "Utilisateurs",
-          width: 4,
+          width: -> (context) { context[:current_user].can?(:access_to_email, User) ? 4 : 3 }
+          # width: 4,
           styles: [:bold]
         }
       ],
     ],
     columns: [
@@ -44,15 +45,17 @@
         styles: [:bold, :blue]
       },
       {
         title: 'Email',
         header_styles: [:blue],
-        resolve: 'email'
+        resolve: 'email',
+        visible: -> (record, context) { context[:current_user].can?(:access_to_email, User) }
       },
       {
         title: 'Birthdate',
-        resolve: 'birthdate'
+        resolve: 'birthdate',
+        visible: true # Optional
       }
       {
         title: 'Address (nested)',
         resolve: ['address', 'address_one']
       },
@@ -69,9 +72,11 @@
   })
 
 end
 
 exporter = UserExporter.new(@users)
+# Optional : Context can be passed to exporter
+exporter.context = { current_user: current_user }
 stream = exporter.export.to_stream.read
 
 # In ruby file
 File.open("export.xlsx", "w") do |tpm|
   tpm.binmode