Network Slice Templates

[osm/LW-UI.git] / netslicehandler / views.py

diff --git a/netslicehandler/views.py b/netslicehandler/views.py
new file mode 100644 (file)
index 0000000..4385cc0
--- /dev/null
+++ b/netslicehandler/views.py
@@ -0,0 +1,119 @@
+#   Copyright 2018 EveryUP Srl
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an  BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+import yaml
+import json
+import logging
+from sf_t3d.decorators import login_required
+from django.http import HttpResponse
+from django.shortcuts import render, redirect
+
+from lib.util import Util
+import authosm.utils as osmutils
+from lib.osm.osmclient.clientv2 import Client
+
+logging.basicConfig(level=logging.DEBUG)
+log = logging.getLogger('instancehandler/view.py')
+
+@login_required
+def list(request):
+    user = osmutils.get_user(request)
+    client = Client()
+    result = {}
+    result_client = client.nst_list(user.get_token())
+
+    result['templates'] = result_client['data'] if result_client and result_client['error'] is False else []
+
+    return __response_handler(request, result, 'nst_list.html')
+
+@login_required
+def create_template(request, template_id=None):
+    return
+
+@login_required
+def edit(request, template_id=None):
+    user = osmutils.get_user(request)
+    client = Client()
+    if request.method == 'GET':
+        page = 'nst_edit.html'
+        result = client.nst_content(user.get_token(), template_id)
+        if result['error']:
+            return __response_handler(request, result, url=page, status=500)
+        else:
+            return __response_handler(request, {'template': {'template_id': str(template_id),  'data': result['data']}}, url=page, status=200)
+    elif request.method == 'POST':
+        result = client.nst_content_update(user.get_token(), template_id, request.POST.get('text'))
+        if result['error'] == True:
+            return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
+        else:
+            return __response_handler(request, {}, url=None, status=200)
+
+
+@login_required
+def details(request, template_id=None):
+    user = osmutils.get_user(request)
+    client = Client()
+    result = client.nst_details(user.get_token(), template_id)
+    if result['error']:
+        return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
+    else:
+        return __response_handler(request, result, url=None, status=200)
+
+@login_required
+def delete_template(request, template_id=None):
+    user = osmutils.get_user(request)
+    
+    client = Client()
+    result = client.nst_delete(user.get_token(), template_id)
+    
+    if result['error']:
+        return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
+    else:
+        return __response_handler(request, {}, url=None, status=200)
+
+
+@login_required
+def download_template(request, package_id=None):
+    return
+
+@login_required
+def onboard_template(request):
+    user = osmutils.get_user(request)
+    if request.method == 'POST':
+        data_type = request.POST.get('type')
+        if data_type == "file":
+            file_uploaded = request.FILES['file']
+            try:
+                client = Client()
+                result = client.nst_onboard(user.get_token(), file_uploaded)
+            except Exception as e:
+                log.exception(e)
+                result = {'error': True, 'data': str(e)}
+        else:
+            result = {'error': True, 'data': 'Create descriptor: Unknown data type'}
+
+        if result['error']:
+            return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
+        else:
+            return __response_handler(request, {}, url=None, status=200)
+
+
+def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
+    raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
+    if not to_redirect and ('application/json' in raw_content_types or url is None):
+        return HttpResponse(json.dumps(data_res), content_type="application/json", *args, **kwargs)
+    elif to_redirect:
+        return redirect(url, *args, **kwargs)
+    else:
+        return render(request, url, data_res)
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