Refactored user roles

app/models/user.rb

@@ -23,8 +23,6 @@ class User < ApplicationRecord
 
   normalizes :email, with: -> { _1.strip.downcase }
 
-  AVAILABLE_ROLES = [ :user, :operator, :admin ]
-
   enum :role, {
     user: "user",
     operator: "operator",

app/views/admin/users/_user_tr.html.erb

@@ -25,7 +25,7 @@
   </td>
   <td class="p-2 py-3 text-nowrap">
     <span class="inline-flex -space-x-px overflow-hidden rounded-md bg-white shadow divide-x divide-gray-300">
-      <% User::AVAILABLE_ROLES.each do |role| %>
+      <% User.roles.keys.each do |role| %>
         <% if allowed_to? :change_role?, user  %>
           <% if user.role == role.to_s %>
             <%= button_to role, admin_user_path(user), method: :patch, params: { user: { role: role }}, form_class: "inline", class: "inline-block px-4 py-2 text-sm uppercase font-medium focus:relative bg-role-#{role}-light text-#{role}" %>

app/views/admin/users/index.html.erb

@@ -1,5 +1,4 @@
-<div class="w-full">
-  <% content_for :title, "Current Print Jobs" %>
+  <% content_for :title, "Benutzerliste" %>
 <h1 class="text-4xl font-bold text-hsrm-gray">Benutzerliste</h1>
 <div class="flex items-center justify-between py-4">
   <!-- <div>
@@ -57,12 +56,11 @@
     <%= f.select :verified_eq, [true,false], {include_blank: "alle"}, onchange: 'this.form.requestSubmit();' %>
     <%= f.label :role_eq, "Rolle:" %>
     <%#= f.collection_radio_buttons :role_eq, User::AVAILABLE_ROLES, 0,0  %>
-      <%= f.select :role_eq, User::AVAILABLE_ROLES, {include_blank: "alle"}, onchange: 'this.form.requestSubmit();' %>
+    <%= f.select :role_eq, User.roles.keys, {include_blank: "alle"}, onchange: 'this.form.requestSubmit();' %>
     <%#= f. %>
     <%= f.submit "Filter anwenden", class: "py-2 px-3 bg-hsrm-red hover:bg-hsrm-red-light shadow-lg text-white inline-block font-medium cursor-pointer" %>
   <% end %>
 </div>
-</div>
 <%= turbo_frame_tag "admin_users", data: { turbo_action: 'advance'} do %>
   <div class="flex justify-between items-center">
     <%== pagy_nav(@pagy) %>