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Versions: 7
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Stored size: 1.53 KB
Contents
# frozen_string_literal: true
class Sinclair
class EqualsChecker
# @api private
# @author darthjee
#
# Class capable of reading an attribute from models
class Reader
# @private
# @api private
#
# Checks if two attributes from 2 object match
#
# @param attribute [Symbol] attribute name
# @param model [Object] object to be compared with other
# @param other [Object] object to be compared with model
#
# @see #match?
# @return [TrueClass,FalseClass]
def self.attributes_match?(attribute, model, other)
reader = new(attribute)
reader.read_from(model) == reader.read_from(other)
end
# @param attribute [Symbol] name of the attribute (method or variable)
# to be accessed in the models
def initialize(attribute)
@attribute = attribute
end
# Reads the +attribute+ from the model
#
# When attribute is a method name, calls that method on the model
#
# When attribute is an instance variable name, that is read directly from the model
#
# @param model [Object] the model to be read
#
# @return [Object]
def read_from(model)
return model.send(attribute) unless attribute.to_s.match?(/^@.*/)
model.instance_variable_get(attribute)
end
private
# @attr_reader :attribute
#
# Reads the attribute that will be used to extract the value
#
# @return [Symbol]
attr_reader :attribute
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems