backup basic fixture

cookbook/templates/system.html

@@ -10,7 +10,21 @@
 
 {% block content %}
 
-    <h1>{% trans 'System Information' %}</h1>
+    <h1>{% trans 'System' %}</h1>
+
+    <br/>
+    <br/>
+    <br/>
+
+    <h3>{% trans 'Backup & Restore' %}</h3>
+    <a href="{% url 'api_backup' %}" class="btn btn-success">{% trans 'Download Backup' %}</a>
+
+    <br/>
+    <br/>
+    <br/>
+    <br/>
+
+    <h3>{% trans 'System Information' %}</h3>
 
     {% blocktrans %}
         Django Recipes is an open source free software application. It can be found on

cookbook/urls.py

@@ -18,7 +18,6 @@ router.register(r'keyword', api.KeywordViewSet)
 router.register(r'unit', api.UnitViewSet)
 router.register(r'food', api.FoodViewSet)
 
-
 router.register(r'step', api.StepViewSet)
 router.register(r'recipe', api.RecipeViewSet)
 router.register(r'ingredient', api.IngredientViewSet)
@@ -26,7 +25,6 @@ router.register(r'meal-plan', api.MealPlanViewSet)
 router.register(r'meal-type', api.MealTypeViewSet)
 router.register(r'view-log', api.ViewLogViewSet)
 
-
 urlpatterns = [
     path('', views.index, name='index'),
     path('setup/', views.setup, name='view_setup'),
@@ -72,6 +70,7 @@ urlpatterns = [
     path('api/log_cooking/<int:recipe_id>/', api.log_cooking, name='api_log_cooking'),
     path('api/plan-ical/<slug:html_week>/', api.get_plan_ical, name='api_get_plan_ical'),
     path('api/recipe-from-url/<path:url>/', api.recipe_from_url, name='api_recipe_from_url'),
+    path('api/backup/', api.get_backup, name='api_backup'),
 
     path('dal/keyword/', dal.KeywordAutocomplete.as_view(), name='dal_keyword'),
     path('dal/food/', dal.IngredientsAutocomplete.as_view(), name='dal_food'),

cookbook/views/api.py

@@ -9,10 +9,13 @@ from annoying.decorators import ajax_request
 from annoying.functions import get_object_or_None
 from django.contrib import messages
 from django.contrib.auth.models import User
+from django.core import management
 from django.core.files import File
 from django.db.models import Q
 from django.http import HttpResponse, FileResponse, JsonResponse
 from django.shortcuts import redirect
+from django.utils import timezone, dateformat
+from django.utils.formats import date_format
 from django.utils.translation import gettext as _
 from django.views.generic.base import View
 from icalendar import Calendar, Event
@@ -199,7 +202,8 @@ class RecipeViewSet(viewsets.ModelViewSet, StandardFilterMixin):
     queryset = Recipe.objects.all()
     serializer_class = RecipeSerializer
     permission_classes = [CustomIsShare | CustomIsGuest]  # TODO split read and write permission for meal plan guest
-    # TODO write extensive tests for permissions 
+
+    # TODO write extensive tests for permissions
 
     @decorators.action(
         detail=True,
@@ -352,3 +356,16 @@ def recipe_from_url(request, url):
     if response.status_code == 403:
         return JsonResponse({'error': True, 'msg': _('The requested page refused to provide any information (Status Code 403).')}, status=400)
     return get_from_html(response.text, url)
+
+
+def get_backup(request):
+    if not request.user.is_superuser:
+        return HttpResponse('', status=403)
+
+    buf = io.StringIO()
+    management.call_command('dumpdata', exclude=['contenttypes', 'auth'], stdout=buf)
+
+    response = FileResponse(buf.getvalue())
+    response["Content-Disposition"] = f'attachment; filename=backup{date_format(timezone.now(), format="SHORT_DATETIME_FORMAT", use_l10n=True)}.json'
+
+    return response