Add user (ID and type) to proxy exercise

This is required for the existing policies to work

app/views/proxy_exercises/_form.html.slim

@@ -6,6 +6,10 @@
   .form-group
     = f.label(:description)
     = f.pagedown :description, input_html: { preview: true, rows: 10 }
+  .form-check.mb-3
+    label.form-check-label
+      = f.check_box(:public, class: 'form-check-input')
+      = t('activerecord.attributes.exercise.public')
 
   h3 Exercises
   .table-responsive

app/views/proxy_exercises/index.html.slim

@@ -11,13 +11,17 @@ h1 = ProxyExercise.model_name.human(count: 2)
       tr
         th.p-1 = sort_link(@search, :title, t('activerecord.attributes.proxy_exercise.title'))
         th.p-1 = t('activerecord.attributes.exercise.token')
+        th.p-1 = t('activerecord.attributes.exercise.public')
         th.p-1 = t('activerecord.attributes.proxy_exercise.files_count')
         th.p-1 colspan=6 = t('shared.actions')
     tbody
       - @proxy_exercises.each do |proxy_exercise|
         tr data-id=proxy_exercise.id
           td.p-1.pt-2 = link_to(proxy_exercise.title,proxy_exercise)
-          td.p-1.pt-2 = proxy_exercise.token
+          td.p-1.pt-2
+            code
+              = proxy_exercise.token
+          td.p-1.pt-2.public data-value=proxy_exercise.public? = symbol_for(proxy_exercise.public?)
           td.p-1.pt-2 = proxy_exercise.count_files
           td.p-1.pt-2 = link_to(t('shared.edit'), edit_proxy_exercise_path(proxy_exercise)) if policy(proxy_exercise).edit?
 

app/views/proxy_exercises/show.html.slim

@@ -11,9 +11,12 @@ h1
     = render('shared/edit_button', object: @proxy_exercise)
 
 = row(label: 'exercise.title', value: @proxy_exercise.title)
+= row(label: 'exercise.user', value: link_to_if(policy(@proxy_exercise.author).show?, @proxy_exercise.author, @proxy_exercise.author))
 = row(label: 'proxy_exercise.files_count', value: @exercises.count)
+= row(label: 'exercise.public', value: @proxy_exercise.public?)
 = row(label: 'exercise.description', value: @proxy_exercise.description)
-= row(label: 'exercise.token', value: @proxy_exercise.token)
+= row(label: 'exercise.embedding_parameters', class: 'mb-4') do
+  = content_tag(:input, nil, class: 'form-control mb-4', readonly: true, value: embedding_parameters(@proxy_exercise))
 
 h2.mt-4 Exercises
 .table-responsive