syspro_object.rb
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module Syspro
class SysproObject
include Enumerable
def initialize(id = nil, opts = {})
@opts = Util.normalize_opts(opts)
end
# Determines the equality of two Syspro objects. Syspro objects are
# considered to be equal if they have the same set of values and each one
# of those values is the same.
def ==(other)
other.is_a?(SysproObject) && @values == other.instance_variable_get(:@values)
end
def to_s(*_args)
JSON.pretty_generate(to_hash)
end
def inspect
id_string = respond_to?(:id) && !id.nil? ? " id=#{id}" : ""
"#<#{self.class}:0x#{object_id.to_s(16)}#{id_string}> JSON: " + JSON.pretty_generate(@values)
end
def keys
@values.keys
end
def values
@values.values
end
def to_hash
maybe_to_hash = lambda do |value|
value && value.respond_to?(:to_hash) ? value.to_hash : value
end
@values.each_with_object({}) do |(key, value), acc|
acc[key] = case value
when Array
value.map(&maybe_to_hash)
else
maybe_to_hash.call(value)
end
end
end
def each(&blk)
@values.each(&blk)
end
private
# Produces a deep copy of the given object including support for arrays,
# hashes, and SysproObject.
def self.deep_copy(obj)
case obj
when Array
obj.map { |e| deep_copy(e) }
when Hash
obj.each_with_object({}) do |(k, v), copy|
copy[k] = deep_copy(v)
copy
end
when SysproObject
obj.class.construct_from(
deep_copy(obj.instance_variable_get(:@values)),
obj.instance_variable_get(:@opts).select do |k, _v|
Util::OPTS_COPYABLE.include?(k)
end
)
else
obj
end
end
private_class_method :deep_copy
end
end