Handle null transitionBy and improve display logic

Added checks for null transitionBy cases in workflow templates to display "Automated transition" when applicable. Also improved conditional rendering for 'destUser' and 'ccUser' fields to avoid empty elements.

src/Bundle/ChillMainBundle/Resources/views/Workflow/_history.html.twig

@@ -40,11 +40,13 @@
                 {% set forward = workflow_metadata(step.entityWorkflow, 'isForward', transition) %}
                 <div class="item-row separator">
                     <div class="item-col" style="width: inherit;">
-                        {% if step.transitionBy is not null %}
                             <div>
+                                {%- if step.transitionBy is not null -%}
                                     {{ step.transitionBy|chill_entity_render_box({'at_date': step.transitionAt}) }}
+                                {% else %}
+                                    <span class="chill-no-data-statement">{{ 'workflow.Automated transition'|trans }}</span>
+                                {%- endif -%}
                             </div>
-                        {% endif %}
                         <div>
                             <span>{{ step.transitionAt|format_datetime('long', 'medium') }}</span>
                         </div>

src/Bundle/ChillMainBundle/Resources/views/Workflow/macro_breadcrumb.html.twig

@@ -3,24 +3,28 @@
         {% if step.previous is not null %}
             <li>
                 <span class="item-key">{{ 'By'|trans ~ ' : ' }}</span>
-                <b>{{ step.previous.transitionBy|chill_entity_render_box({'at_date': step.previous.transitionAt }) }}</b>
+                <b>{% if step.previous.transitionBy is not null %}{{ step.previous.transitionBy|chill_entity_render_box({'at_date': step.previous.transitionAt }) }}{% else %}<span class="chill-no-data-statement">{{ 'workflow.Automated transition'|trans }}</span>{% endif %}</b>
             </li>
             <li>
                 <span class="item-key">{{ 'Le'|trans ~ ' : ' }}</span>
                 <b>{{ step.previous.transitionAt|format_datetime('short', 'short') }}</b>
             </li>
+            {% if step.destUser|length > 0 %}
                 <li>
                     <span class="item-key">{{ 'workflow.For'|trans ~ ' : ' }}</span>
                     <b>
                         {% for d in step.destUser %}{{ d|chill_entity_render_string({'at_date': step.previous.transitionAt}) }}{% if not loop.last %}, {% endif %}{% endfor %}
                     </b>
                 </li>
+            {% endif %}
+            {% if step.ccUser|length > 0 %}
                 <li>
                     <span class="item-key">{{ 'workflow.Cc'|trans ~ ' : ' }}</span>
                     <b>
                         {% for u in step.ccUser %}{{ u|chill_entity_render_string({'at_date': step.previous.transitionAt }) }}{% if not loop.last %}, {% endif %}{% endfor %}
                     </b>
                 </li>
+            {% endif %}
         {% else %}
             <li>
                 <span class="item-key">{{ 'workflow.Created by'|trans ~ ' : ' }}</span>

src/Bundle/ChillMainBundle/translations/messages.fr.yml

@@ -530,6 +530,7 @@ workflow:
     Put on hold: Mettre en attente
     Remove hold: Enlever la mise en attente
     On hold: En attente
+    Automated transition: Transition automatique
 
     signature_zone:
         title: Appliquer les signatures électroniques