display once

app/controllers/admin/university/apps_controller.rb

@@ -9,6 +9,7 @@ class Admin::University::AppsController < Admin::University::ApplicationControll
   end
 
   def show
+    @should_display_token = @app.display_token!
     breadcrumb
   end
 

app/models/university/app.rb

@@ -30,6 +30,12 @@ class University::App < ApplicationRecord
 
   scope :ordered, -> { order(:name) }
 
+  def display_token!
+    return false if token_was_displayed?
+    update(token_was_displayed: true)
+    true
+  end
+
   def regenerate_token!
     update(token: nil, token_was_displayed: false)
   end

app/views/admin/university/apps/show.html.erb

 <% content_for :title, @app %>
 
+<% if @should_display_token %>
+  <p class="text-danger"><%= t('university.apps.token_display_notice') %></p>
+<% end %>
+
 <div class="row">
   <div class="col-lg-6">
     <%= osuny_label University::App.human_attribute_name('token') %>
-    <input type="string" value="<%= @app.token %>" class="form-control" disabled>
+    <input type="string" value="<%= @should_display_token ? @app.token : masked_string(@app.token) %>" class="form-control" disabled>
   </div>
 </div>
 

config/locales/university/en.yml

@@ -208,7 +208,9 @@ en:
         import_btn: Import cohorts
         import_hint_html: "Possible values for <i>gender</i> are: m (male), f (female) and n (non binary).<br><i>Phone_professional</i>, <i>phone_personal</i>, <i>mobile</i> and <i>zipcode</i> fields must have a text format, not numbers.<br><i>Country</i> field must contain the ISO 3166 code of the country, so 2 upcase characters (<a href=\"https://en.wikipedia.org/wiki/List_of_ISO_3166_country_codes\" target=\_blank\">list</a>).<br><i>Social_twitter</i> field should have no @.<br><i>School</i> field should contain the internal school id.<br><i>Program</i> field should contain the internal program id."
         title: Cohorts imports
-    contributing: 
+    apps:
+      token_display_notice: Make sure to store your token somewhere safe. You won’t be able to see it again!
+    contributing:
       one: contributing university
       other: contributing universities
     contributions_total: Contributions (total)

config/locales/university/fr.yml

@@ -208,7 +208,9 @@ fr:
         import_btn: Importer des promotions
         import_hint_html: "Les valeurs pour <i>gender</i> peuvent être m (masculin), f (féminin) et n (non binaire).<br>Les champs <i>phone_professional</i>, <i>phone_personal</i>, <i>mobile</i> et <i>zipcode</i> doivent être au format texte, pas nombre.<br>Le champ <i>country</i> doit contenir le code ISO 3166 du pays, sur 2 caratères en majuscule (<a href=\"https://en.wikipedia.org/wiki/List_of_ISO_3166_country_codes\" target=\_blank\">liste</a>)<br>Le champ <i>social_twitter</i> ne doit pas contenir d'@.<br>Le champ <i>school</i> doit contenir l'id interne de l'école.<br>Le champ <i>program</i> doit contenir l'id interne de la formation."
         title: Imports de promotions
-    contributing: 
+    apps:
+      token_display_notice: Assurez-vous de stocker votre jeton secret de manière sécurisée. Vous ne pourrez pas le revoir !
+    contributing:
       one: université contributrice
       other: universités contributrices
     contributions_total: Contributions (total)