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Versions: 21
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Contents
module RailsConnector
class Configuration
# This module adds configuration options for the RSS feature.
#
# Specify the RSS root in
# <code><em>RAILS_ROOT</em>/config/initializers/rails_connector.rb</code>:
# RailsConnector::Configuration::Rss.root = lambda { NamedLink.get_object('news') }
module Rss
# Raised if no RSS root object has been specified.
class RootUndefined < StandardError; end
# Raised if the root is missing when accessing it
# Inherits from RootUndefined for compatibility reasons
class RootNotFound < RootUndefined; end
@root_provider = nil
# Stores the obj providing lambda for later use
def self.root=(obj_provider)
case obj_provider
when Obj
Rails.logger.warn("Rss.root= called with an Obj. Use an Obj returning lambda instead.")
root_id = obj_provider.id
@root_provider = lambda { Obj.find(root_id) }
when Proc
@root_provider = obj_provider
else
raise ArgumentError.new("Rss.root= called with '#{obj_provider.class.name}' instead of a lambda.")
end
end
# Returns the RSS root object.
# If no RSS root has been specified then Rss::RootUndefined is raised.
def self.root
raise RootUndefined unless @root_provider
begin
@root_provider.call
rescue RailsConnector::ResourceNotFound
raise RootNotFound
end
end
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems