Class: Ransack::Nodes::Value

Inherits:
Node
  • Object
show all
Defined in:
lib/ransack/nodes/value.rb

Instance Attribute Summary collapse

Attributes inherited from Node

#context

Instance Method Summary collapse

Methods inherited from Node

i18n_alias, i18n_word, #translate

Constructor Details

#initialize(context, value = nil) ⇒ Value

Returns a new instance of Value.



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# File 'lib/ransack/nodes/value.rb', line 7

def initialize(context, value = nil)
  super(context)
  @value = value
end

Instance Attribute Details

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/ransack/nodes/value.rb', line 4

def value
  @value
end

Instance Method Details

#array_of_arrays?(val) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ransack/nodes/value.rb', line 107

def array_of_arrays?(val)
  Array === val && Array === val.first
end

#cast(type) ⇒ Object 



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# File 'lib/ransack/nodes/value.rb', line 26

def cast(type)
  case type
  when :date
    cast_to_date(value)
  when :datetime, :timestamp, :time
    cast_to_time(value)
  when :boolean
    cast_to_boolean(value)
  when :integer
    cast_to_integer(value)
  when :float
    cast_to_float(value)
  when :decimal
    cast_to_decimal(value)
  else
    cast_to_string(value)
  end
end

#cast_to_boolean(val) ⇒ Object 



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# File 'lib/ransack/nodes/value.rb', line 69

def cast_to_boolean(val)
  if Constants::TRUE_VALUES.include?(val)
    true
  elsif Constants::FALSE_VALUES.include?(val)
    false
  else
    nil
  end
end

#cast_to_date(val) ⇒ Object 



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# File 'lib/ransack/nodes/value.rb', line 45

def cast_to_date(val)
  if val.is_a?(String)
    Chronic.parse(val).in_time_zone.to_date rescue nil
  elsif val.respond_to?(:to_date)
    val.to_date rescue nil
  else
    y, m, d = *[val].flatten
    m ||= 1
    d ||= 1
    Date.new(y,m,d) rescue nil
  end
end

#cast_to_decimal(val) ⇒ Object 



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# File 'lib/ransack/nodes/value.rb', line 91

def cast_to_decimal(val)
  if val.blank?
    nil
  elsif val.class == BigDecimal
    val
  elsif val.respond_to?(:to_d)
    val.to_d
  else
    val.to_s.to_d
  end
end

#cast_to_float(val) ⇒ Object 



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# File 'lib/ransack/nodes/value.rb', line 87

def cast_to_float(val)
  val.blank? ? nil : val.to_f
end

#cast_to_integer(val) ⇒ Object 



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# File 'lib/ransack/nodes/value.rb', line 83

def cast_to_integer(val)
  val.blank? ? nil : val.to_i
end

#cast_to_string(val) ⇒ Object 



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# File 'lib/ransack/nodes/value.rb', line 79

def cast_to_string(val)
  val.respond_to?(:to_s) ? val.to_s : String.new(val)
end

#cast_to_time(val) ⇒ Object 



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# File 'lib/ransack/nodes/value.rb', line 58

def cast_to_time(val)
  if val.is_a?(Array)
    Time.zone.local(*val) rescue nil
  else
    unless val.acts_like?(:time)
      val = val.is_a?(String) ? Chronic.parse(val) : val.to_time rescue nil
    end
    val.in_time_zone rescue nil
  end
end

#eql?(other) ⇒ Boolean Also known as: ==

Returns:

  • (Boolean) 


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# File 'lib/ransack/nodes/value.rb', line 16

def eql?(other)
  self.class == other.class &&
  self.value == other.value
end

#hash ⇒ Object 



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# File 'lib/ransack/nodes/value.rb', line 22

def hash
  value.hash
end

#inspect ⇒ Object 



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# File 'lib/ransack/nodes/value.rb', line 103

def inspect
  "Value <#{value}>"
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ransack/nodes/value.rb', line 12

def persisted?
  false
end