[Feature] Legacy Package Import (#106)

Fixes #105

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#106

epdb/views.py

@@ -280,10 +280,24 @@ def packages(request):
         return render(request, 'collections/objects_list.html', context)
 
     elif request.method == 'POST':
-        hidden = request.POST.get('hidden', None)
 
-        if hidden is not None:
-            pass
+
+        if hidden := request.POST.get('hidden', None):
+
+            if hidden == 'import-legacy-package-json':
+                f =  request.FILES['file']
+
+                try:
+                    file_data = f.read().decode("utf-8")
+                    data = json.loads(file_data)
+
+                    pack = PackageManager.import_package(data, current_user)
+                    return redirect(pack.url)
+                except UnicodeDecodeError:
+                    return error(request, 'Invalid encoding.', f'Invalid encoding, must be UTF-8')
+
+            else:
+                return HttpResponseBadRequest()
         else:
             package_name = request.POST.get('package-name')
             package_description = request.POST.get('package-description', s.DEFAULT_VALUES['description'])
@@ -784,6 +798,7 @@ def package(request, package_uuid):
     current_package = PackageManager.get_package_by_id(current_user, package_uuid)
 
     if request.method == 'GET':
+
         context = get_base_context(request)
         context['title'] = f'enviPath - {current_package.name}'