Merge pull request #164 from af83/5339-organisation-and-features

Create Organisation#features and FeatureChecker. Refs #5339 

1 files changed, 42 insertions, 0 deletions

diff --git a/app/controllers/concerns/feature_checker.rb b/app/controllers/concerns/feature_checker.rb
new file mode 100644
index 000000000..9ca5ed0a7
--- /dev/null
+++ b/app/controllers/concerns/feature_checker.rb
@@ -0,0 +1,42 @@
+# Check availability of optional features
+#
+# In your controller, use :
+#
+#   requires_feature :test
+#   requires_feature :test, only: [:show]
+#
+# In your view, use :
+#
+#   has_feature? :test
+#
+module FeatureChecker
+  extend ActiveSupport::Concern
+
+  module ClassMethods
+    def requires_feature(feature, options = {})
+      before_action options do
+        check_feature! feature
+      end
+    end
+  end
+
+  included do
+    helper_method :has_feature?
+  end
+
+  protected
+
+  def has_feature?(*features)
+    features.all? do |feature|
+      current_organisation.has_feature? feature
+    end
+  end
+
+  def check_feature!(*features)
+    unless has_feature?(*features)
+      raise NotAuthorizedError, "Feature not autorized"
+    end
+  end
+
+  class NotAuthorizedError < StandardError; end
+end