project blueprint - add optional steps

public/site/models/project.php

@@ -0,0 +1,42 @@
+<?php
+
+class ProjectPage extends Page {
+  public function getSteps() {    
+
+    $steps = [
+      [
+        'text' => '1. Brief',
+        'value' => 'brief'
+      ],
+      [
+        'text' => '2. Offre commerciale',
+        'value' => 'proposal'
+      ],
+      [
+        'text' => '3. Brief enrichi',
+        'value' => 'extendedBrief'
+      ],
+    ];
+
+    if (str_contains($this->optionalSteps(), 'industrialIdeation')) {
+      $steps[] = [
+        'text' => '4. Idéation industrielle',
+        'value' => 'industrialIdeation'
+      ];
+    }
+
+    $steps[] = [
+      'text' => count($steps) + 1 . '. Échantillon virtuel',
+      'value' => 'virtualSample'
+    ];
+    
+    if (str_contains($this->optionalSteps(), 'physicalSample')) {
+      $steps[] = [
+        'text' => count($steps) + 1 . '.Échantillon physique',
+        'value' => 'physicalSample'
+      ];
+    }
+
+    return $steps;
+  }
+}