From 61e1fb2d7a4944fa2dc60f9ec1fecd554e392d1f Mon Sep 17 00:00:00 2001
From: Elias <elias@showk.me>
Date: Sat, 27 Jan 2018 10:04:52 +0100
Subject: [PATCH 3/4] added class-based view GenericConnectorLogView

---
 passerelle/urls.py  |  3 +++
 passerelle/views.py | 48 ++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/passerelle/urls.py b/passerelle/urls.py
index c98af21..a60bdd9 100644
--- a/passerelle/urls.py
+++ b/passerelle/urls.py
@@ -9,6 +9,7 @@ from django.views.static import serve as static_serve
 from .views import (HomePageView, ManageView, ManageAddView,
         GenericCreateConnectorView, GenericDeleteConnectorView,
         GenericEditConnectorView, GenericEndpointView, GenericConnectorView,
+        GenericConnectorLogView,
         login, logout, menu_json)
 from .urls_utils import decorated_includes, required, app_enabled, manager_required
 from .base.urls import access_urlpatterns
@@ -78,6 +79,8 @@ urlpatterns += [
 urlpatterns += [
     url(r'^(?P<connector>[\w,-]+)/(?P<slug>[\w,-]+)/$',
         GenericConnectorView.as_view(), name='view-connector'),
+    url(r'^(?P<connector>[\w,-]+)/(?P<slug>[\w,-]+)/logs.json$',
+        GenericConnectorLogView.as_view(), name='view-connector-log'),
     url(r'^(?P<connector>[\w,-]+)/(?P<slug>[\w,-]+)/(?P<endpoint>[\w,-]+)(?:/(?P<rest>.*))?$',
         GenericEndpointView.as_view(), name='generic-endpoint')
 ]
diff --git a/passerelle/views.py b/passerelle/views.py
index dcadcce..c58f6ce 100644
--- a/passerelle/views.py
+++ b/passerelle/views.py
@@ -1,5 +1,7 @@
 import inspect
 import json
+import pytz
+from datetime import datetime
 
 from django.apps import apps
 from django.conf.urls import url
@@ -14,8 +16,10 @@ from django.views.generic.detail import SingleObjectMixin
 from django.conf import settings
 from django.shortcuts import resolve_url
 from django.core.urlresolvers import reverse
+from django.core.paginator import EmptyPage, PageNotAnInteger
 from django.utils.translation import ugettext_lazy as _
 from django.utils.encoding import force_text
+from django.utils.timezone import make_aware
 from django.forms.models import modelform_factory
 from django.forms.widgets import ClearableFileInput
 
@@ -24,7 +28,7 @@ if 'mellon' in settings.INSTALLED_APPS:
 else:
     get_idps = lambda: []
 
-from passerelle.base.models import BaseResource
+from passerelle.base.models import BaseResource, ResourceLog
 
 from .utils import to_json, response_for_json, is_authorized
 from .forms import GenericConnectorForm
@@ -137,6 +141,48 @@ class GenericConnectorView(GenericConnectorMixin, DetailView):
         template_names.append('passerelle/manage/service_view.html')
         return template_names
 
+class GenericConnectorLogView(GenericConnectorMixin, View):
+
+    content_type = 'application/json'
+    epoch = make_aware(datetime(1970,1,1))
+
+    def totimestamp(self, datetime_obj):
+        td = datetime_obj - self.epoch
+        # return td.total_seconds()
+        return int((td.microseconds + (td.seconds + td.days * 86400) * 10**6) / 10**3)
+
+    def resource_logs_table(self, request, *args, **kwargs):
+        if 'slug' not in kwargs:
+            raise HttpResponseBadRequest('URL must specify a slug value')
+        if 'connector' not in kwargs:
+            raise HttpResponseBadRequest('URL must specify a connector value')
+        page = request.GET.get('page', 1)
+        return ResourceLog.objects.get_paginated_logs(kwargs['connector'], kwargs['slug'], page)
+
+    def get(self, request, *args, **kwargs):
+        page_obj = self.resource_logs_table(request, *args, **kwargs)
+        # no previous or next is representezd a None value
+        try:
+            previous_page_number = page_obj.previous_page_number()
+        except (EmptyPage,):
+            previous_page_number = None
+        try:
+            next_page_number = page_obj.next_page_number()
+        except (EmptyPage,):
+            next_page_number = None
+        return response_for_json(request, dict([
+            ('count', page_obj.paginator.count),
+            ('page_range', list(page_obj.paginator.page_range)),
+            ('number', page_obj.number),
+            ('next_page_number', next_page_number),
+            ('previous_page_number', previous_page_number),
+            ('logs', [dict([('message', log.message),
+                ('timestamp', self.totimestamp(log.timestamp)),
+                ('level', log.level),
+                ('extra', log.extra),
+                ('sourceip', log.sourceip)]) for log in page_obj])
+        ]))
+
 
 class GenericCreateConnectorView(GenericConnectorMixin, CreateView):
     template_name = 'passerelle/manage/service_form.html'
-- 
2.17.0