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Size: 897 Bytes
Versions: 36
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Stored size: 897 Bytes
Contents
module Synchronisable
class AttributeMapper
class << self
def map(source, mappings, options = {})
new(mappings, options).map(source)
end
end
def initialize(mappings, options = {})
@mappings = mappings
@keep = options[:keep] || []
@only, @except = options[:only], options[:except]
end
def map(source)
result = source.dup
apply_mappings(result) if @mappings.present?
apply_only(result) if @only.present?
apply_except(result) if @except.present?
result
end
private
def apply_mappings(source)
source.transform_keys! { |key| @mappings[key] || key }
end
def apply_only(source)
source.keep_if { |key| @only.include?(key) || @keep.include?(key) }
end
def apply_except(source)
source.delete_if { |key| key.nil? || @except.include?(key) }
end
end
end
Version data entries
36 entries across 36 versions & 1 rubygems