Class: FormKeeper::Rule::Criteria::Combination

Inherits:
Object
  • Object
show all
Defined in:
lib/formkeeper.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(criteria) ⇒ Combination

Returns a new instance of Combination.



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# File 'lib/formkeeper.rb', line 605

def initialize(criteria)
  if criteria.has_key?(:fields)
    fields = criteria.delete(:fields)
    if fields.kind_of?(Array) && fields.size >= 2
      @fields = fields.collect(&:to_sym)
    else
      raise ArgumentError.new("combination rule requires :fields as array which include 2 fields at lease")
    end
  else
    raise ArgumentError.new("combination rule requires :fields")
  end
  if criteria.has_key?(:filters)
    filters = criteria.delete :filters
    case filters
    when Array
      @filters = filters.collect(&:to_sym)
    when String
      @filters = [filters.to_sym]
    when Symbol
      @filters = [filters]
    else
      raise ArgumentError.new 'invalid :filters'
    end
  else
    @filters = []
  end
  constraint = criteria.shift
  if constraint.nil?
    raise ArgumentError.new 'constraint not found'
  else
    @constraint = constraint[0]
    @arg = constraint[1]
  end
end

Instance Attribute Details

#arg ⇒ Object (readonly)

Returns the value of attribute arg.



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# File 'lib/formkeeper.rb', line 604

def arg
  @arg
end

#constraint ⇒ Object (readonly)

Returns the value of attribute constraint.



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# File 'lib/formkeeper.rb', line 604

def constraint
  @constraint
end

#fields ⇒ Object (readonly)

Returns the value of attribute fields.



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# File 'lib/formkeeper.rb', line 604

def fields
  @fields
end

#filters ⇒ Object (readonly)

Returns the value of attribute filters.



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# File 'lib/formkeeper.rb', line 604

def filters
  @filters
end