Class: Formeze::Field

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, options = {}) ⇒ Field

Returns a new instance of Field.



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# File 'lib/formeze.rb', line 7

def initialize(name, options = {})
  @name, @options = name, options
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/formeze.rb', line 5

def name
  @name
end

Instance Method Details

#accept ⇒ Object 



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# File 'lib/formeze.rb', line 101

def accept
  @accept ||= @options.fetch(:accept).split(',').flat_map { |type| MIME::Types[type] }
end

#blank_value ⇒ Object 



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# File 'lib/formeze.rb', line 121

def blank_value
  @options.fetch(:blank)
end

#blank_value? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/formeze.rb', line 117

def blank_value?
  @options.has_key?(:blank)
end

#defined_if ⇒ Object 



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# File 'lib/formeze.rb', line 137

def defined_if
  @options.fetch(:defined_if)
end

#defined_if? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/formeze.rb', line 133

def defined_if?
  @options.has_key?(:defined_if)
end

#defined_unless ⇒ Object 



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# File 'lib/formeze.rb', line 145

def defined_unless
  @options.fetch(:defined_unless)
end

#defined_unless? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/formeze.rb', line 141

def defined_unless?
  @options.has_key?(:defined_unless)
end

#error(key, default) ⇒ Object 



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

def error(key, default)
  Formeze.translate(key, :scope => [:formeze, :errors], :default => default)
end

#key ⇒ Object 



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# File 'lib/formeze.rb', line 69

def key
  @key ||= @name.to_s
end

#key_required? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/formeze.rb', line 73

def key_required?
  @options.fetch(:key_required) { true }
end

#label ⇒ Object 



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# File 'lib/formeze.rb', line 77

def label
  @options.fetch(:label) { Formeze.translate(name, :scope => [:formeze, :labels], :default => Formeze.label(name)) }
end

#maxsize ⇒ Object 



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# File 'lib/formeze.rb', line 97

def maxsize
  @options.fetch(:maxsize)
end

#maxsize? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/formeze.rb', line 93

def maxsize?
  @options.has_key?(:maxsize)
end

#multiline? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/formeze.rb', line 85

def multiline?
  @options.fetch(:multiline) { false }
end

#multiple? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/formeze.rb', line 89

def multiple?
  @options.fetch(:multiple) { false }
end

#no_match?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/formeze.rb', line 113

def no_match?(value)
  @options.has_key?(:pattern) && value !~ @options[:pattern]
end

#required? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/formeze.rb', line 81

def required?
  @options.fetch(:required) { true }
end

#too_long?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/formeze.rb', line 105

def too_long?(value)
  value.chars.count > @options.fetch(:maxlength) { 64 }
end

#too_short?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/formeze.rb', line 109

def too_short?(value)
  @options.has_key?(:minlength) && value.chars.count < @options.fetch(:minlength)
end

#validate(value, form) ⇒ Object 



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# File 'lib/formeze.rb', line 27

def validate(value, form)
  value = Formeze.scrub(value, @options[:scrub])

  if value !~ /\S/
    form.add_error(self, error(:required, 'is required')) if required?

    value = blank_value if blank_value?
  else
    form.add_error(self, error(:not_multiline, 'cannot contain newlines')) if !multiline? && value.lines.count > 1

    form.add_error(self, error(:too_long, 'is too long')) if too_long?(value)

    form.add_error(self, error(:too_short, 'is too short')) if too_short?(value)

    form.add_error(self, error(:no_match, 'is invalid')) if no_match?(value)

    form.add_error(self, error(:bad_value, 'is invalid')) if values? && !values.include?(value)
  end

  value = Array(form.send(name)).push(value) if multiple?

  form.send(:"#{name}=", value)
end

#validate_all(values, form) ⇒ Object 



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# File 'lib/formeze.rb', line 11

def validate_all(values, form)
  size = 0

  values.each do |value|
    if String === value
      validate(value, form)
    else
      validate_file(value, form)

      size += value.size
    end
  end

  form.add_error(self, error(:too_large, 'is too large')) if maxsize? && size > maxsize
end

#validate_file(object, form) ⇒ Object 



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# File 'lib/formeze.rb', line 51

def validate_file(object, form)
  type = MIME::Types[object.content_type].first

  filename_type = MIME::Types.type_for(object.original_filename).first

  if type.nil? || type != filename_type || !accept.include?(type)
    form.add_error(self, error(:not_accepted, 'is not an accepted file type'))
  end

  object = Array(form.send(name)).push(object) if multiple?

  form.send(:"#{name}=", object)
end

#values ⇒ Object 



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# File 'lib/formeze.rb', line 129

def values
  @options.fetch(:values)
end

#values? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/formeze.rb', line 125

def values?
  @options.has_key?(:values)
end