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Contents
# =============================================================================
#
# Ants::Slug provides a flexible way to define a custom slug on a top of
# Mongoid::Slug module, a few cases are covered:
#
# 1. if _slug is not defined, slug is autogenerated based on specified
# configuration
# 2. if _slug is defined it's used as default
# 3. if _slug is empty slug is autogenerated as in step 1
# 4. if slug configuration field has changed value and _slug is set, _slug
# is used as default
#
# -----------------------------------------------------------------------------
module Ants
module Slug
extend ActiveSupport::Concern
included do
include Mongoid::Slug
# attributes
field :_slug, default: ''
# callbacks
before_save :_populate_custom_slug
# helpers
def _populate_custom_slug
self.slugs = []
if ! self._slug.empty?
append_slug(self._slug)
end
return true
end
# override Mongoid::Slug method to workaround slug change
def slug_builder
_cur_slug = nil
# if custom slug is defined use that
if ! self._slug.empty?
append_slug(self._slug)
end
# user defined slug
if new_with_slugs? or persisted_with_slug_changes?
_cur_slug = _slugs.last
end
# generate slug if the slug is no custom slug defined or does not exist
_cur_slug || pre_slug_string
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems