Module: Gluttonberg::Content::Validations

Extended by:
ActiveSupport::Concern
Defined in:
lib/gluttonberg/content/validations.rb

Overview

A mixin which allows any arbitrary model to have default validations

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.setup ⇒ Object 



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# File 'lib/gluttonberg/content/validations.rb', line 7

def self.setup
  ::ActiveRecord::Base.send :include, Gluttonberg::Content::Validations
end

Instance Method Details

#decimal_values ⇒ Object

it validates all decimal columns values - database schema



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# File 'lib/gluttonberg/content/validations.rb', line 41

def decimal_values
  self.class.columns.each do |column|
    if column.type == :decimal && !column.precision.blank? && !column.scale.blank?
      before_type_cast = :"#{column.name}_before_type_cast"
      raw_value = self.send(before_type_cast) if self.respond_to?(before_type_cast)
      raw_value ||= self.send(column.name)
      unless raw_value.blank?
        unless raw_value.to_s =~ /^\A[+-]?\d{1,#{column.precision}}(\.?\d{0,#{column.scale}})?$/
          errors.add(column.name, "is not a decimal number")
        end
      end
    end
  end
end

#integer_values ⇒ Object

it validates all integer columns values - database schema



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# File 'lib/gluttonberg/content/validations.rb', line 24

def integer_values
  self.class.columns.each do |column|
    if column.type == :integer
      before_type_cast = :"#{column.name}_before_type_cast"
      raw_value = self.send(before_type_cast) if self.respond_to?(before_type_cast)
      raw_value ||= self.send(column.name)
      unless raw_value.blank?
        raw_value = raw_value.to_i if raw_value.to_s =~ /\A[+-]?\d+\Z/
        unless raw_value.is_a? Integer
          errors.add(column.name, "is not an integer number")
        end
      end
    end
  end
end

#max_field_length ⇒ Object

it validates all columns values using max limit from database schema



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# File 'lib/gluttonberg/content/validations.rb', line 12

def max_field_length
  self.class.columns.each do |column|
    if column.type == :string &&  !column.limit.blank?
      val = self.send(column.name)
      if !val.blank? and val.length > column.limit
        errors.add(column.name, "is too long (maximum is #{column.limit} characters)")
      end
    end
  end
end