From 2523da11fb7ff8a73f5872662e2888c8fd5e49c2 Mon Sep 17 00:00:00 2001
From: Zambom <erikzambom@hotmail.com>
Date: Wed, 26 Apr 2017 00:11:01 -0300
Subject: [PATCH] Subject backup initials (some tests)

---
 subjects/urls.py  |  1 +
 subjects/views.py | 39 ++++++++++++++++++++++++++++++++++++++-
 2 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/subjects/urls.py b/subjects/urls.py
index c928119..002dd2d 100644
--- a/subjects/urls.py
+++ b/subjects/urls.py
@@ -18,6 +18,7 @@ urlpatterns = [
 	url(r'^view_log/(?P<subject>[\w_-]+)/$', views.subject_view_log, name = 'view_log'),
 	url(r'^most_accessed_subjects/$', views.most_acessed_subjects, name='most_acessed'),
 	url(r'^report/', include('reports.urls', namespace='reports')),
+	url(r'^backup/$', views.backup, name='backup'),
 	url(r'^(?P<option>[\w_-]+)/$', views.IndexView.as_view(), name='index'),
 
 ]
\ No newline at end of file
diff --git a/subjects/views.py b/subjects/views.py
index 94c7fe1..f266961 100644
--- a/subjects/views.py
+++ b/subjects/views.py
@@ -1,4 +1,3 @@
-
 from django.shortcuts import render, get_object_or_404, redirect
 from django.views.generic import ListView, CreateView, DeleteView, UpdateView, TemplateView, DetailView
 from categories.models import Category
@@ -34,6 +33,13 @@ from users.models import User
 from topics.models import Topic, Resource
 from news.models import News
 
+import os
+import zipfile
+from io import BytesIO
+from itertools import chain
+from django.core import serializers
+from django.contrib.admin.utils import NestedObjects
+
 from amadeus.permissions import has_category_permissions, has_subject_permissions, has_subject_view_permissions, has_resource_permissions
 
 class HomeView(LoginRequiredMixin, ListView):
@@ -716,3 +722,34 @@ def most_acessed_subjects(request):
     subjects = subjects[:30]
 
     return JsonResponse(subjects, safe=False)
+
+
+def backup(request):
+    #collector = NestedObjects(using="default") # database name
+    #collector.collect(list(Resource.objects.filter(visible = True)))
+    zip_subdir = "backup"
+    zip_filename = "%s.zip" % zip_subdir
+
+    s = BytesIO()
+
+    zf = zipfile.ZipFile(s, "w", compression = zipfile.ZIP_DEFLATED)
+
+    resources = Resource.objects.all()
+
+    for resource in resources:
+        if resource._my_subclass == "filelink":
+            fdir, fname = os.path.split(resource.filelink.file_content.path)
+            zip_path = os.path.join(zip_subdir, fname)
+
+            # Add file, at correct path
+            zf.write(resource.filelink.file_content.path, zip_path)
+
+    zf.close()
+
+    # Grab ZIP file from in-memory, make response with correct MIME-type
+    resp = HttpResponse(s.getvalue(), content_type = "application/x-zip-compressed")
+    # ..and correct content-disposition
+    resp['Content-Disposition'] = 'attachment; filename=%s' % zip_filename
+    resp['Content-Length'] = s.tell()
+
+    return resp
\ No newline at end of file
--
libgit2 0.21.2