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Contents
# encoding: utf-8
module Mongoid #:nodoc:
module Extensions #:nodoc:
module Hash #:nodoc:
# Expands complex criterion into mongodb selectors.
module CriteriaHelpers
# Expand the complex criteria into a MongoDB compliant selector hash.
#
# @example Convert the criterion.
# {}.expand_complex_criteria
#
# @return [ Hash ] The mongo selector.
#
# @since 1.0.0
def expand_complex_criteria
{}.tap do |hsh|
each_pair do |k, v|
if k.respond_to?(:key) && k.respond_to?(:to_mongo_query)
hsh[k.key] ||= {}
v = v.expand_complex_criteria if v.is_a?(::Hash)
hsh[k.key].merge!(k.to_mongo_query(v))
else
v.map!{|e| e.is_a?(::Hash) ? e.expand_complex_criteria : e } if v.is_a?(::Array)
hsh[k] = v
end
end
end
end
# Get the id attribute from this hash, whether it's prefixed with an
# underscore or is a symbol.
#
# @example Extract the id.
# { :_id => 1 }.extract_id
#
# @return [ Object ] The value of the id.
#
# @since 2.3.2
def extract_id
self["id"] || self["_id"] || self[:id] || self[:_id]
end
end
end
end
end
Version data entries
104 entries across 58 versions & 2 rubygems