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Contents
require 'active_support'
module NinjaModel
module SpawnMethods
def merge(r)
merged_relation = clone
return merged_relation unless r
return to_a & r if r.is_a?(Array)
order_value = r.ordering
if order_value.present?
merged_relation.ordering = merged_relation.ordering + order_value
end
merged_predicates = @predicates + r.predicates
unless @predicates.empty?
seen = []
merged_predicates = merged_predicates.reverse.reject { |w|
nuke = false
if w.respond_to?(:operator) && w.operator == :==
attribute = w.attribute
nuke = seen[attribute]
seen[attribute] = true
end
nuke
}.reverse
end
merged_relation.predicates = merged_predicates
Relation::SINGLE_VALUE_ATTRS.each do |method|
value = r.send(:"#{method}_value")
merged_relation.send(:"#{method}_value=", value) unless value.nil?
end
merged_relation
end
VALID_FIND_OPTIONS = [:conditions, :limit, :offset, :order]
def apply_finder_options(options)
relation = clone
return relation unless options
options.assert_valid_keys(VALID_FIND_OPTIONS)
finders = options.dup
finders.delete_if { |key, value| value.nil? }
([:order, :limit, :offset] & finders.keys).each do |finder|
relation = relation.send(finder, finders[finder])
end
relation = relation.where(finders[:conditions]) if options.key?(:conditions)
relation
end
end
end
Version data entries
29 entries across 29 versions & 1 rubygems