hobo/applications/migrations/0012_parameter.py

@@ -0,0 +1,38 @@
+# Generated by Django 3.2.16 on 2023-04-10 08:12
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('applications', '0011_element_type'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Parameter',
+            fields=[
+                (
+                    'id',
+                    models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+                ),
+                ('label', models.CharField(max_length=100, verbose_name='Label')),
+                (
+                    'name',
+                    models.CharField(
+                        help_text='Variable name, it is useful to prefix it with an unique application identifier.',
+                        max_length=100,
+                        verbose_name='Identifier',
+                    ),
+                ),
+                ('default_value', models.CharField(blank=True, max_length=100, verbose_name='Default value')),
+                (
+                    'application',
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE, to='applications.application'
+                    ),
+                ),
+            ],
+        ),
+    ]

hobo/applications/models.py

@@ -181,6 +181,20 @@ class Application(models.Model):
         return elements
 
 
+class Parameter(models.Model):
+    application = models.ForeignKey(Application, on_delete=models.CASCADE)
+    label = models.CharField(max_length=100, verbose_name=_('Label'))
+    name = models.CharField(
+        max_length=100,
+        verbose_name=_('Identifier'),
+        help_text=_('Variable name, it is useful to prefix it with an unique application identifier.'),
+    )
+    default_value = models.CharField(max_length=100, verbose_name=_('Default value'), blank=True)
+
+    def as_dict(self):
+        return {'label': self.label, 'name': self.name, 'default_value': self.default_value}
+
+
 class Element(models.Model):
     type = models.CharField(max_length=100, verbose_name=_('Type'))
     slug = models.SlugField(max_length=500, verbose_name=_('Slug'))
@@ -255,6 +269,7 @@ class Version(models.Model):
                 'version_number': self.number,
                 'version_notes': self.notes,
                 'elements': [],
+                'parameters': [x.as_dict() for x in self.application.parameter_set.all()],
             }
 
             for element, relation in elements.values():

hobo/applications/templates/hobo/applications/manifest.html

@@ -75,6 +75,22 @@
           <a class="button button-paragraph" rel="popup" href="{% url 'application-add-element' app_slug=app.slug type=type.id %}">{{ type.text }}</a>
         {% endfor %}
       {% endfor %}
+      <h3>{% trans "Parameters" %}
+        {% if app.editable %}
+          <a rel="popup" href="{% url 'application-add-parameter' app_slug=app.slug %}">({% trans "add" %})</a>
+        {% endif %}
+      </h3>
+      {% if app.parameter_set.exists %}
+        <ul class="objects-list single-links">
+          {% for parameter in app.parameter_set.all %}
+            <li><a rel="popup" href="{% url 'application-edit-parameter' app_slug=app.slug pk=parameter.id %}">{{ parameter.label }}</a>
+              <a rel="popup" class="delete" href="{% url 'application-delete-parameter' app_slug=app.slug pk=parameter.id %}">{% trans "remove" %}</a>
+            </li>
+          {% endfor %}
+        </ul>
+      {% else %}
+        <p>{% trans "No parameters defined." %}</p>
+      {% endif %}
     {% endif %}
   </aside>
 {% endblock %}

hobo/applications/templates/hobo/applications/parameter-add.html

@@ -0,0 +1,17 @@
+{% extends "hobo/applications/home.html" %}
+{% load gadjo i18n %}
+
+{% block appbar %}
+  <h2>{% trans "New Parameter" %}</h2>
+{% endblock %}
+
+{% block content %}
+  <form method="post">
+    {% csrf_token %}
+    {{ form|with_template }}
+    <div class="buttons">
+      <button class="submit-button">{% trans "Add" %}</button>
+      <a class="cancel" href="..">{% trans "Cancel" %}</a>
+    </div>
+  </form>
+{% endblock %}

hobo/applications/templates/hobo/applications/parameter-confirm-delete.html

@@ -0,0 +1,20 @@
+{% extends "hobo/applications/home.html" %}
+{% load gadjo i18n %}
+
+{% block appbar %}
+  <h2>{% trans "Delete Parameter" %}</h2>
+{% endblock %}
+
+{% block content %}
+  <form method="post">
+    {% csrf_token %}
+    <p>
+      {% trans 'Are you sure you want to remove this parameter?' %}
+    </p>
+    <div class="buttons">
+      <button class="delete-button">{% trans "Delete" %}</button>
+      <a class="cancel" href="..">{% trans "Cancel" %}</a>
+    </div>
+  </form>
+{% endblock %}
+

hobo/applications/templates/hobo/applications/parameter-edit.html

@@ -0,0 +1,17 @@
+{% extends "hobo/applications/home.html" %}
+{% load gadjo i18n %}
+
+{% block appbar %}
+  <h2>{% trans "Edit Parameter" %}</h2>
+{% endblock %}
+
+{% block content %}
+  <form method="post">
+    {% csrf_token %}
+    {{ form|with_template }}
+    <div class="buttons">
+      <button class="submit-button">{% trans "Save" %}</button>
+      <a class="cancel" href="..">{% trans "Cancel" %}</a>
+    </div>
+  </form>
+{% endblock %}

hobo/applications/urls.py

@@ -45,6 +45,21 @@ urlpatterns = [
         views.delete_element,
         name='application-delete-element',
     ),
+    re_path(
+        r'^manifest/(?P<app_slug>[\w-]+)/add-parameter/$',
+        views.add_parameter,
+        name='application-add-parameter',
+    ),
+    re_path(
+        r'^manifest/(?P<app_slug>[\w-]+)/edit-parameter/(?P<pk>\d+)/$',
+        views.edit_parameter,
+        name='application-edit-parameter',
+    ),
+    re_path(
+        r'^manifest/(?P<app_slug>[\w-]+)/delete-parameter/(?P<pk>\d+)/$',
+        views.delete_parameter,
+        name='application-delete-parameter',
+    ),
     re_path(
         r'^manifest/(?P<app_slug>[\w-]+)/job/(?P<pk>\d+)/$',
         views.async_job,

hobo/applications/views.py

@@ -31,7 +31,16 @@ from django.views.generic import DetailView, FormView, ListView, TemplateView
 from django.views.generic.edit import CreateView, DeleteView, UpdateView
 
 from .forms import GenerateForm, InstallForm, MetadataForm
-from .models import STATUS_CHOICES, Application, AsyncJob, Element, Relation, Version, get_object_types
+from .models import (
+    STATUS_CHOICES,
+    Application,
+    AsyncJob,
+    Element,
+    Parameter,
+    Relation,
+    Version,
+    get_object_types,
+)
 from .utils import Requests
 
 requests = Requests()
@@ -428,3 +437,42 @@ class AsyncJobView(DetailView):
 
 
 async_job = AsyncJobView.as_view()
+
+
+class AddParameterView(CreateView):
+    template_name = 'hobo/applications/parameter-add.html'
+    model = Parameter
+    fields = ['label', 'name', 'default_value']
+
+    def form_valid(self, form):
+        form.instance.application = Application.objects.get(slug=self.kwargs['app_slug'])
+        return super().form_valid(form)
+
+    def get_success_url(self):
+        return reverse('application-manifest', kwargs={'app_slug': self.kwargs['app_slug']})
+
+
+add_parameter = AddParameterView.as_view()
+
+
+class EditParameterView(UpdateView):
+    template_name = 'hobo/applications/parameter-edit.html'
+    model = Parameter
+    fields = ['label', 'name', 'default_value']
+
+    def get_success_url(self):
+        return reverse('application-manifest', kwargs={'app_slug': self.kwargs['app_slug']})
+
+
+edit_parameter = EditParameterView.as_view()
+
+
+class DeleteParameterView(DeleteView):
+    template_name = 'hobo/applications/parameter-confirm-delete.html'
+    model = Parameter
+
+    def get_success_url(self):
+        return reverse('application-manifest', kwargs={'app_slug': self.kwargs['app_slug']})
+
+
+delete_parameter = DeleteParameterView.as_view()