add application details view and update related forms; improve layout

app_gateway/forms.py

@@ -65,9 +65,8 @@ class ApplicationForm(forms.ModelForm):
 class ApplicationHostForm(forms.ModelForm):
     class Meta:
         model = ApplicationHost
-        fields = ['application', 'hostname']
+        fields = ['hostname']
         labels = {
-            'application': _('Application'),
             'hostname': _('Hostname'),
         }
 
@@ -78,8 +77,7 @@ class ApplicationHostForm(forms.ModelForm):
         self.helper = FormHelper()
         self.helper.layout = Layout(
             Div(
-                Div('application', css_class='col-md-6'),
-                Div('hostname', css_class='col-md-6'),
+                Div('hostname', css_class='col-md-12'),
                 css_class='row'
             ),
             Div(
@@ -134,9 +132,8 @@ class AccessPolicyForm(forms.ModelForm):
 class ApplicationPolicyForm(forms.ModelForm):
     class Meta:
         model = ApplicationPolicy
-        fields = ['application', 'default_policy']
+        fields = ['default_policy']
         labels = {
-            'application': _('Application'),
             'default_policy': _('Default Policy'),
         }
 
@@ -147,8 +144,7 @@ class ApplicationPolicyForm(forms.ModelForm):
         self.helper = FormHelper()
         self.helper.layout = Layout(
             Div(
-                Div('application', css_class='col-md-6'),
-                Div('default_policy', css_class='col-md-6'),
+                Div('default_policy', css_class='col-md-12'),
                 css_class='row'
             ),
             Div(
@@ -165,13 +161,12 @@ class ApplicationPolicyForm(forms.ModelForm):
 class ApplicationRouteForm(forms.ModelForm):
     class Meta:
         model = ApplicationRoute
-        fields = ['application', 'name', 'path_prefix', 'policy', 'order']
+        fields = ['name', 'path_prefix', 'policy', 'order']
         labels = {
-            'application': _('Application'),
             'name': _('Route Name'),
             'path_prefix': _('Path Prefix'),
             'policy': _('Policy'),
-            'order': _('Priority Order'),
+            'order': _('Order'),
         }
 
     def __init__(self, *args, **kwargs):
@@ -181,13 +176,12 @@ class ApplicationRouteForm(forms.ModelForm):
         self.helper = FormHelper()
         self.helper.layout = Layout(
             Div(
-                Div('application', css_class='col-md-6'),
-                Div('name', css_class='col-md-6'),
+                Div('name', css_class='col-md-12'),
                 css_class='row'
             ),
             Div(
-                Div('path_prefix', css_class='col-md-8'),
-                Div('order', css_class='col-md-4'),
+                Div('path_prefix', css_class='col-xl-7'),
+                Div('order', css_class='col-xl-5'),
                 css_class='row'
             ),
             Div(

app_gateway/migrations/0005_alter_applicationroute_order.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.12 on 2026-03-12 21:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app_gateway', '0004_alter_application_display_name'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='applicationroute',
+            name='order',
+            field=models.PositiveIntegerField(default=0),
+        ),
+    ]

app_gateway/models.py

@@ -87,7 +87,7 @@ class ApplicationRoute(models.Model):
     name = models.SlugField(max_length=64, help_text=_("Route identifier, used in export (e.g.: public_area)"))
     path_prefix = models.CharField(max_length=255)
     policy = models.ForeignKey(AccessPolicy, on_delete=models.PROTECT, related_name='routes')
-    order = models.PositiveIntegerField(default=0, help_text=_("Evaluation order — lower value means higher priority"))
+    order = models.PositiveIntegerField(default=0)
 
     created = models.DateTimeField(auto_now_add=True)
     updated = models.DateTimeField(auto_now=True)

app_gateway/urls.py

@@ -9,6 +9,7 @@ urlpatterns = [
     # Applications
     path('application/manage/', views.view_manage_application, name='manage_application'),
     path('application/delete/', views.view_delete_application, name='delete_application'),
+    path('application/view/', views.view_application_details, name='view_application'),
 
     # Application Hosts
     path('host/manage/', views.view_manage_application_host, name='manage_application_host'),

app_gateway/views.py

@@ -23,7 +23,6 @@ def view_app_gateway_list(request):
     hosts = ApplicationHost.objects.all().order_by('hostname')
     access_policies = AccessPolicy.objects.all().order_by('name')
     app_policies = ApplicationPolicy.objects.all().order_by('application__name')
-    routes = ApplicationRoute.objects.all().order_by('application__name', 'order', 'path_prefix')
 
     tab = request.GET.get('tab', 'applications')
 
@@ -32,12 +31,31 @@ def view_app_gateway_list(request):
         'hosts': hosts,
         'access_policies': access_policies,
         'app_policies': app_policies,
-        'routes': routes,
         'active_tab': tab,
     }
     return render(request, 'app_gateway/app_gateway_list.html', context)
 
 
+@login_required
+def view_application_details(request):
+    if not UserAcl.objects.filter(user=request.user).filter(user_level__gte=20).exists():
+        return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
+
+    application_uuid = request.GET.get('uuid')
+    application = get_object_or_404(Application, uuid=application_uuid)
+
+    hosts = application.hosts.all().order_by('hostname')
+    routes = application.routes.all().order_by('order', 'path_prefix')
+
+    context = {
+        'application': application,
+        'hosts': hosts,
+        'routes': routes,
+        'page_title': _('Application Details'),
+    }
+    return render(request, 'app_gateway/application_details.html', context)
+
+
 @login_required
 def view_manage_application(request):
     if not UserAcl.objects.filter(user=request.user).filter(user_level__gte=50).exists():
@@ -97,19 +115,24 @@ def view_manage_application_host(request):
         return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
 
     application_host_uuid = request.GET.get('uuid')
+    application_uuid = request.GET.get('application_uuid')
 
     if application_host_uuid:
         application_host = get_object_or_404(ApplicationHost, uuid=application_host_uuid)
+        application = application_host.application
         title = _('Edit Application Host')
     else:
         application_host = None
+        application = get_object_or_404(Application, uuid=application_uuid)
         title = _('Add Application Host')
 
-    cancel_url = reverse('app_gateway_list') + '?tab=hosts'
+    cancel_url = reverse('view_application') + f'?uuid={application.uuid}#hosts'
 
     form = ApplicationHostForm(request.POST or None, instance=application_host, cancel_url=cancel_url)
     if form.is_valid():
-        form.save()
+        host = form.save(commit=False)
+        host.application = application
+        host.save()
         messages.success(request, _('Application Host saved successfully.'))
         return redirect(cancel_url)
 
@@ -127,8 +150,9 @@ def view_delete_application_host(request):
         return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
 
     application_host = get_object_or_404(ApplicationHost, uuid=request.GET.get('uuid'))
+    application = application_host.application
 
-    cancel_url = reverse('app_gateway_list') + '?tab=hosts'
+    cancel_url = reverse('view_application') + f'?uuid={application.uuid}#hosts'
 
     if request.method == 'POST':
         application_host.delete()
@@ -203,20 +227,24 @@ def view_manage_application_policy(request):
         return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
 
     application_policy_uuid = request.GET.get('uuid')
+    application_uuid = request.GET.get('application_uuid')
 
     if application_policy_uuid:
         application_policy = get_object_or_404(ApplicationPolicy, uuid=application_policy_uuid)
+        application = application_policy.application
         title = _('Edit Application Default Policy')
     else:
         application_policy = None
+        application = get_object_or_404(Application, uuid=application_uuid)
         title = _('Set Application Default Policy')
 
-    cancel_url = reverse('app_gateway_list') + '?tab=applications'
-
+    cancel_url = reverse('view_application') + f'?uuid={application.uuid}'
 
     form = ApplicationPolicyForm(request.POST or None, instance=application_policy, cancel_url=cancel_url)
     if form.is_valid():
-        form.save()
+        policy_config = form.save(commit=False)
+        policy_config.application = application
+        policy_config.save()
         messages.success(request, _('Application Default Policy saved successfully.'))
         return redirect(cancel_url)
 
@@ -234,8 +262,9 @@ def view_delete_application_policy(request):
         return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
 
     application_policy = get_object_or_404(ApplicationPolicy, uuid=request.GET.get('uuid'))
+    application = application_policy.application
 
-    cancel_url = reverse('app_gateway_list') + '?tab=applications'
+    cancel_url = reverse('view_application') + f'?uuid={application.uuid}'
 
     if request.method == 'POST':
         application_policy.delete()
@@ -259,26 +288,46 @@ def view_manage_application_route(request):
         return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
 
     application_route_uuid = request.GET.get('uuid')
+    application_uuid = request.GET.get('application_uuid')
 
     if application_route_uuid:
         application_route = get_object_or_404(ApplicationRoute, uuid=application_route_uuid)
+        application = application_route.application
         title = _('Edit Application Route')
     else:
         application_route = None
+        application = get_object_or_404(Application, uuid=application_uuid)
         title = _('Add Application Route')
 
-    cancel_url = reverse('app_gateway_list') + '?tab=routes'
+    cancel_url = reverse('view_application') + f'?uuid={application.uuid}#routes'
 
     form = ApplicationRouteForm(request.POST or None, instance=application_route, cancel_url=cancel_url)
     if form.is_valid():
-        form.save()
+        route = form.save(commit=False)
+        route.application = application
+        route.save()
         messages.success(request, _('Application Route saved successfully.'))
         return redirect(cancel_url)
 
+    form_description = {
+        'size': 'col-lg-6',
+        'content': _('''
+        <h5>Application Route</h5>
+        <p>A Route defines a path prefix within this Application that requires a specific Access Policy.</p>
+        <ul>
+            <li><strong>Route Name</strong>: An internal identifier for this route (e.g., "public_api", "admin_area"). Used for reference and exports.</li>
+            <li><strong>Path Prefix</strong>: The URL path that triggers this route (e.g., <code>/api/</code> or <code>/admin/</code>). Use <code>/</code> to match all remaining paths.</li>
+            <li><strong>Policy</strong>: The Access Policy that will be enforced when a user accesses this path.</li>
+            <li><strong>Order</strong>: Determines the priority of this route when evaluating the request. Lower numbers are evaluated first. If multiple routes match a path, the one with the lowest order wins.</li>
+        </ul>
+        ''')
+    }
+
     context = {
         'form': form,
         'title': title,
         'page_title': title,
+        'form_description': form_description,
     }
     return render(request, 'generic_form.html', context)
 
@@ -289,8 +338,9 @@ def view_delete_application_route(request):
         return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
 
     application_route = get_object_or_404(ApplicationRoute, uuid=request.GET.get('uuid'))
+    application = application_route.application
 
-    cancel_url = reverse('app_gateway_list') + '?tab=routes'
+    cancel_url = reverse('view_application') + f'?uuid={application.uuid}#routes'
 
     if request.method == 'POST':
         application_route.delete()