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Contents
module Scrivito
# This class provides methods used to retrieve objects from CMS based an entry
# in CMS of the obj_class <tt>NamedLink</tt>.
# @api public
class NamedLink
# @api public
class NotFound < StandardError
end
@@named_links_cache = nil
# Generates a cache of named links based on the CMS objects related link list.
# Raises exceptions if zero or more than one objects have this obj_class
def self.generate_named_links_cache
return if @@named_links_cache
found_object = find_named_link_obj
if found_object.nil?
raise NotFound, "Couldn't find NamedLink CMS Object!"
else
@@named_links_cache = found_object.
related_links.
flatten(1).
each_with_object({}) do |link_obj, temp|
temp[link_obj.title] = link_obj.obj
end
end
return nil
end
# This method will be called to retrieve the NamedLink {BasicObj Obj}.
# By default it will look for the Obj at the path "_named_links".
# Overwrite this method only if you know what you are doing.
# @api public
def self.find_named_link_obj
BasicObj.find_by_path("/_named_links")
end
def self.cache_expiry_time=(value)
raise "NamedLink.cache_expiry_time is deprecated. NamedLink no longer has a separate cache."
end
def self.cache_expired?
true
end
# Returns the CMS object mapped to the given title or nil.
# The title can be a string of symbol.
# @api public
def self.get_object(title, options = {})
object = named_links[title.to_s]
raise NotFound, "The NamedLink '#{title.to_s}' does not exist" if object.nil?
object
end
def self.reset_cache
@@named_links_cache = nil
end
def self.named_links
reset_cache if cache_expired?
generate_named_links_cache unless named_links_cache
named_links_cache
end
def self.named_links_cache
@@named_links_cache
end
end
end
Version data entries
29 entries across 29 versions & 1 rubygems