Show components and serials only if user is authenticated

device/templates/device_web.html

@@ -120,11 +120,13 @@
               <div class="col-md-4 info-label">Model</div>
               <div class="col-md-8 info-value">{{ object.model|default:'' }}</div>
             </div>
+            {% if user.is_authenticated %}
               <div class="info-row row">
                 <div class="col-md-4 info-label">Serial Number</div>
-              <div class="col-md-8 info-value">{{object.serial_number|default:'' }}</div>
+                <div class="col-md-8 info-value">{{ object.serial_number|default:'' }}</div>
               </div>
             {% endif %}
+          {% endif %}
         </div>
 
         <div class="col-lg-6">
@@ -136,7 +138,7 @@
           {% endfor %}
         </div>
       </div>
-
+      {% if user.is_authenticated %}
         <h2 class="section-title mt-5">Components</h2>
         <div class="row">
           {% for component in object.components %}
@@ -156,8 +158,8 @@
             </div>
           {% endfor %}
         </div>
+      {% endif %}
     </div>
-
     <footer>
       <p>
         &copy;{% now 'Y' %} eReuse. All rights reserved.

device/views.py

@@ -133,15 +133,31 @@ class PublicDeviceWebView(TemplateView):
         })
         return context
 
-    def get_json_response(self):
+    @property
-        data = {
+    def public_fields(self):
+        return {
             'id': self.object.id,
             'shortid': self.object.shortid,
             'uuids': self.object.uuids,
             'hids': self.object.hids,
-            'components': self.object.components
         }
-        return JsonResponse(data)
+
+    @property
+    def authenticated_fields(self):
+        return {
+            'components': self.object.components,
+            'serial_number': self.object.serial_number
+        }
+
+    def get_device_data(self):
+        data = self.public_fields
+        if self.request.user.is_authenticated:
+            data.update(self.authenticated_fields)
+        return data
+
+    def get_json_response(self):
+        device_data = self.get_device_data()
+        return JsonResponse(device_data)
 
 
 class AddAnnotationView(DashboardView, CreateView):