use existing Requests function for creator check

atst/domain/requests.py

@@ -42,11 +42,14 @@ class Requests(object):
 
     @classmethod
     def exists(cls, request_id, creator_id):
+        try:
             return db.session.query(
                 exists().where(
                     and_(Request.id == request_id, Request.creator == creator_id)
                 )
             ).scalar()
+        except exc.DataError:
+            return False
 
     @classmethod
     def get(cls, request_id):
@@ -143,11 +146,3 @@ class Requests(object):
         return request.status == "incomplete" and all(
             section in existing_request_sections for section in all_request_sections
         )
-
-    @classmethod
-    def is_creator(cls, request_id, user_id):
-        try:
-            db.session.query(Request).filter_by(id=request_id, creator=user_id).one()
-            return True
-        except (NoResultFound, exc.DataError):
-            return False

atst/routes/requests/requests_form.py

@@ -111,7 +111,7 @@ def requests_submit(request_id=None):
 def _check_can_view_request(request_id):
     if Permissions.REVIEW_AND_APPROVE_JEDI_WORKSPACE_REQUEST in g.current_user.atat_permissions:
         pass
-    elif Requests.is_creator(request_id, g.current_user.id):
+    elif Requests.exists(request_id, g.current_user.id):
         pass
     else:
         raise UnauthorizedError(g.current_user, "view request {}".format(request_id))

tests/domain/test_requests.py

@@ -50,9 +50,9 @@ def test_dont_auto_approve_if_no_dollar_value_specified(new_request):
     assert request.status == RequestStatus.PENDING_CCPO_APPROVAL
 
 
-def test_can_check_if_user_created_request(session):
+def test_exists(session):
     user_allowed = UserFactory.create()
     user_denied = UserFactory.create()
     request = RequestFactory.create(creator=user_allowed.id)
-    assert Requests.is_creator(request.id, user_allowed.id)
-    assert not Requests.is_creator(request.id, user_denied.id)
+    assert Requests.exists(request.id, user_allowed.id)
+    assert not Requests.exists(request.id, user_denied.id)