Class: FlexScaffold::Validations

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

Constant Summary collapse

VALIDATIONS_INFO = 
%w( message with on in maximum minimum too_short too_long )
SCHEMA_INFO = 
%w( type limit default )

Instance Method Summary collapse

Constructor Details

#initialize(base = {}, attrs = {}) ⇒ Validations

:nodoc:



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# File 'lib/validations.rb', line 8

def initialize(base={},attrs={}) # :nodoc:

  @record, @attrs, @schema_attrs = base, attrs, {}
end

Instance Method Details

#add(attr_name, type, configuration = {}) ⇒ Object

Adds a validation of an attribute (attr_name) to the record and returns the individual set that was added



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# File 'lib/validations.rb', line 14

def add(attr_name, type, configuration={})
   attribute = add_type_to_hash(attr_name, type)
   VALIDATIONS_INFO.each do |rule| attribute.update(rule.to_s => configuration[rule.to_sym]) unless configuration[rule.to_sym].nil? end      
  @attrs
end

#clear ⇒ Object

Removes all the validations that have been added



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# File 'lib/validations.rb', line 40

def clear
  @attrs = {}
end

#each ⇒ Object

Yields each attribute and associated details per validation added



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# File 'lib/validations.rb', line 50

def each
  @attrs.each_key { |attr| @attrs[attr].each { |msg| yield attr, msg } }
end

#empty? ⇒ Boolean

Returns true if no validations have been added



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# File 'lib/validations.rb', line 55

def empty?
  @attrs.empty?
end

#get_schema_info(class_name = @record) ⇒ Object

Returns the schema-based validation information of the attributes. This information includes the type, limit, and default values. It is categorised by the attribute name



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# File 'lib/validations.rb', line 28

def get_schema_info(class_name=@record)
  klass = Object.const_get(class_name.to_s.camelize) rescue nil
  if klass && klass < ActiveRecord::Base
     klass.columns.each do |col|
        attribute = add_schema_to_hash(col.name)
        SCHEMA_INFO.each do |info| attribute.update(info => eval("col.#{info}.to_s")) end
    end
  end
  @schema_attrs
end

#load_schema_info(class_name = @record) ⇒ Object

Adds the schema information into the validation of the attributes. This information includes the type, limit, and default values.



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# File 'lib/validations.rb', line 22

def load_schema_info(class_name=@record)
  @attrs.merge(get_schema_info(class_name))
end

#size ⇒ Object

Returns the number of attributes with validations



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# File 'lib/validations.rb', line 60

def size
  @attrs.size
end

#to_s ⇒ Object

Returns the string of attributes with validations



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# File 'lib/validations.rb', line 65

def to_s
  @attrs.to_s
end

#to_xml ⇒ Object

Returns an XML representation of the validation object



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# File 'lib/validations.rb', line 70

def to_xml
  @attrs.to_xml
end

#validations ⇒ Object

Returns the attribute validations



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# File 'lib/validations.rb', line 45

def validations
  @attrs
end