Add show_if and hide_if methods for routes and APIs, as well as proper comparison of feature values

endpoints/common.py

@@ -3,7 +3,7 @@ import urlparse
 import json
 import string
 
-from flask import make_response, render_template, request
+from flask import make_response, render_template, request, abort
 from flask.ext.login import login_user, UserMixin
 from flask.ext.principal import identity_changed
 from random import SystemRandom
@@ -15,7 +15,7 @@ from auth.permissions import QuayDeferredPermissionUser
 from auth import scopes
 from endpoints.api.discovery import swagger_route_data
 from werkzeug.routing import BaseConverter
-
+from functools import wraps
 
 logger = logging.getLogger(__name__)
 
@@ -27,6 +27,29 @@ class RepoPathConverter(BaseConverter):
 
 app.url_map.converters['repopath'] = RepoPathConverter
 
+def route_show_if(value):
+  def decorator(f):
+    @wraps(f)
+    def decorated_function(*args, **kwargs):
+      if not value:
+        abort(404)
+
+      return f(*args, **kwargs)
+    return decorated_function
+  return decorator
+
+
+def route_hide_if(value):
+  def decorator(f):
+    @wraps(f)
+    def decorated_function(*args, **kwargs):
+      if value:
+        abort(404)
+
+      return f(*args, **kwargs)
+    return decorated_function
+  return decorator
+
 
 def get_route_data():
   global route_data