class Formeze::Validation

Public Class Methods

new(field, **kwargs, &block) click to toggle source
# File lib/formeze/validation.rb, line 4
def initialize(field, **kwargs, &block)
  @field = field

  @error = kwargs[:error] || :invalid

  @precondition = kwargs[:if]

  @block = block
end

Public Instance Methods

field_errors?(form) click to toggle source
# File lib/formeze/validation.rb, line 22
def field_errors?(form)
  form.errors_on?(@field.name)
end
field_value?(form) click to toggle source
# File lib/formeze/validation.rb, line 18
def field_value?(form)
  present?(form.send(@field.name))
end
validate(form) click to toggle source
# File lib/formeze/validation.rb, line 26
def validate(form)
  if validates?(form) && field_value?(form) && !field_errors?(form)
    return_value = if @block.arity == 1
      @block.call(form.send(@field.name))
    else
      form.instance_eval(&@block)
    end

    form.add_error(@field, @error) unless return_value
  end
end
validates?(form) click to toggle source
# File lib/formeze/validation.rb, line 14
def validates?(form)
  @precondition ? Formeze::Block.evaluate(form, @precondition) : true
end