Fix logs view and API

- We needed to use an engine-agnostic way to extract the days
- Joining with the LogEntryKind table has *horrible* performance in MySQL, so do it ourselves
- Limit to 50 logs per page

test/test_api_usage.py

@@ -35,7 +35,7 @@ from endpoints.api.user import (PrivateRepositories, ConvertToOrganization, Sign
 
 from endpoints.api.repotoken import RepositoryToken, RepositoryTokenList
 from endpoints.api.prototype import PermissionPrototype, PermissionPrototypeList
-from endpoints.api.logs import UserLogs, OrgLogs
+from endpoints.api.logs import UserLogs, OrgLogs, OrgAggregateLogs, UserAggregateLogs
 from endpoints.api.billing import (UserCard, UserPlan, ListPlans, OrganizationCard,
                                    OrganizationPlan)
 from endpoints.api.discovery import DiscoveryResource
@@ -2569,6 +2569,20 @@ class TestLogs(ApiTestCase):
     assert 'start_time' in json
     assert 'end_time' in json
 
+  def test_user_aggregate_logs(self):
+    self.login(ADMIN_ACCESS_USER)
+
+    json = self.getJsonResponse(UserAggregateLogs)
+    assert 'aggregated' in json
+
+
+  def test_org_logs(self):
+    self.login(ADMIN_ACCESS_USER)
+
+    json = self.getJsonResponse(OrgAggregateLogs, params=dict(orgname=ORGANIZATION))
+    assert 'aggregated' in json
+
+
   def test_performer(self):
     self.login(ADMIN_ACCESS_USER)