API call for resources

snf-astakos-app/astakos/api/quotas.py

@@ -37,10 +37,11 @@ from django.http import HttpResponse
 
 from synnefo.lib.db.transaction import commit_on_success_strict
 from astakos.api.util import json_response
+from astakos.im.api import api_method as generic_api_method
 from astakos.im.api.user import api_method as user_api_method
 from astakos.im.api.service import api_method as service_api_method
 from astakos.im.api.faults import BadRequest, InternalServerError
-from astakos.im.quotas import get_user_quotas
+from astakos.im.quotas import get_user_quotas, get_resources
 
 import astakos.quotaholder.exception as qh_exception
 from astakos.quotaholder.callpoint import QuotaholderDjangoDBCallpoint
@@ -53,6 +54,12 @@ def quotas(request, user=None):
     return json_response(result)
 
 
+@generic_api_method(http_method='GET')
+def resources(request):
+    result = get_resources()
+    return json_response(result)
+
+
 @csrf_exempt
 def commissions(request):
     method = request.method

snf-astakos-app/astakos/api/urls.py

@@ -36,6 +36,7 @@ from django.conf.urls.defaults import patterns, url
 urlpatterns = patterns(
     'astakos.api.quotas',
     url(r'^quotas/?$', 'quotas'),
+    url(r'^resources/?$', 'resources'),
     url(r'^commissions/?$', 'commissions'),
     url(r'^commissions/action/?$', 'resolve_pending_commissions'),
     url(r'^commissions/(?P<serial>\d+)/?$', 'get_commission'),

snf-astakos-app/astakos/im/models.py

@@ -177,6 +177,12 @@ class Resource(models.Model):
     def full_name(self):
         return str(self)
 
+    def get_info(self):
+        return {'service': str(self.service),
+                'description': self.desc,
+                'unit': self.unit,
+                }
+
     @property
     def help_text(self):
         return get_presentation(str(self)).get('help_text', '')

snf-astakos-app/astakos/im/quotas.py

@@ -99,6 +99,22 @@ def set_user_quota(quotas):
     qh.set_holder_quota(quotas)
 
 
+def get_resources(resources=None, services=None):
+    if resources is None:
+        rs = Resource.objects.all()
+    else:
+        rs = Resource.objects.filter(name__in=resources)
+
+    if services is not None:
+        rs = rs.filter(service__in=services)
+
+    resource_dict = {}
+    for r in rs:
+        resource_dict[r.full_name()] = r.get_info()
+
+    return resource_dict
+
+
 def get_default_quota():
     _DEFAULT_QUOTA = {}
     resources = Resource.objects.select_related('service').all()