Corriger l'affichage de l'historique des statuts

app_new/core/models/maintenance.py

@@ -300,6 +300,21 @@ class StatusChange(db.Model):
     
     # Relations
     changed_by = db.relationship("User", backref="status_changes_list")
+
+    @property
+    def to_label(self):
+        from app_new.constants import INTERVENTION_STATUSES
+        return INTERVENTION_STATUSES.get(self.to_status, {}).get("label", self.to_status or "Statut inconnu")
+
+    @property
+    def from_label(self):
+        from app_new.constants import INTERVENTION_STATUSES
+        return INTERVENTION_STATUSES.get(self.from_status, {}).get("label", self.from_status or "Création")
+
+    @property
+    def to_color(self):
+        from app_new.constants import INTERVENTION_STATUSES
+        return INTERVENTION_STATUSES.get(self.to_status, {}).get("color", "secondary")
     
     def __repr__(self):
         return f"<StatusChange {self.from_status} → {self.to_status}>"

app_new/interventions/templates/detail.html

@@ -359,12 +359,10 @@
               </div>
               <div class="flex-grow-1">
                 <strong>{{ change.to_label }}</strong>
-                {% if change.from_status %}
-                  <span class="text-muted small">(de {{ change.from_label }})</span>
-                {% endif %}
+                <span class="text-muted small">(de {{ change.from_label }})</span>
                 <br>
                 <span class="text-muted small">
-                  Par <strong>{{ change.changed_by.full_name }}</strong> — {{ change.created_at|datetime_fmt if change.created_at else '—' }}
+                  Par <strong>{{ change.changed_by.full_name if change.changed_by else 'Utilisateur supprimé' }}</strong> — {{ change.created_at|datetime_fmt if change.created_at else '—' }}
                 </span>
                 {% if change.comment %}
                   <br><em class="small">{{ change.comment }}</em>