110 lines
2.3 KiB
Ruby
110 lines
2.3 KiB
Ruby
module Ransack
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module Nodes
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class Value < Node
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attr_accessor :value
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delegate :present?, :blank?, :to => :value
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def initialize(context, value = nil)
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super(context)
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@value = value
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end
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def persisted?
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false
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end
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def eql?(other)
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self.class == other.class && self.value == other.value
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end
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alias :== :eql?
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def hash
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value.hash
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end
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def cast(type)
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case type
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when :date
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cast_to_date(value)
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when :datetime, :timestamp, :time
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cast_to_time(value)
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when :boolean
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cast_to_boolean(value)
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when :integer
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cast_to_integer(value)
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when :float
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cast_to_float(value)
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when :decimal
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cast_to_decimal(value)
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else
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cast_to_string(value)
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end
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end
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def cast_to_date(val)
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if val.respond_to?(:to_date)
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val.to_date rescue nil
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else
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y, m, d = *[val].flatten
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m ||= 1
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d ||= 1
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Date.new(y,m,d) rescue nil
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end
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end
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def cast_to_time(val)
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if val.is_a?(Array)
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Time.zone.local(*val) rescue nil
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else
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unless val.acts_like?(:time)
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val = val.is_a?(String) ? Time.zone.parse(val) : val.to_time rescue val
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end
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val.in_time_zone rescue nil
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end
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end
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def cast_to_boolean(val)
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if Constants::TRUE_VALUES.include?(val)
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true
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elsif Constants::FALSE_VALUES.include?(val)
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false
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else
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nil
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end
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end
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def cast_to_string(val)
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val.respond_to?(:to_s) ? val.to_s : String.new(val)
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end
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def cast_to_integer(val)
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val.blank? ? nil : val.to_i
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end
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def cast_to_float(val)
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val.blank? ? nil : val.to_f
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end
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def cast_to_decimal(val)
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if val.blank?
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nil
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elsif val.class == BigDecimal
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val
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elsif val.respond_to?(:to_d)
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val.to_d
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else
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val.to_s.to_d
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end
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end
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def inspect
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"Value <#{value}>"
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end
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def array_of_arrays?(val)
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Array === val && Array === val.first
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end
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end
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end
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end
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