Class: DirtySeed::Attribute

Inherits:
Object
  • Object
show all
Extended by:
MethodMissingHelper
Defined in:
lib/dirty_seed/attribute.rb

Overview

Represents an Active Record attribute

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from MethodMissingHelper

define_addressee, define_method_missing, define_respond_to_missing?, forward_missing_methods_to

Constructor Details

#initialize(model, column) ⇒ DirtySeed::Attribute

Initializes an instance

Parameters:



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# File 'lib/dirty_seed/attribute.rb', line 23

def initialize(model, column)
  @model = model
  @column = column
end

Instance Attribute Details

#column ⇒ Object (readonly)

Returns the value of attribute column.



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# File 'lib/dirty_seed/attribute.rb', line 9

def column
  @column
end

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/dirty_seed/attribute.rb', line 9

def model
  @model
end

Instance Method Details

#assigner ⇒ DirtySeed::Assigners::Assigner

Returns the attribute assigner

Returns:



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# File 'lib/dirty_seed/attribute.rb', line 36

def assigner
  @assigner ||= DirtySeed::Assigners::Base.new(self)
end

#name ⇒ Symbol

Returns attribute name

Returns:

  • (Symbol) 


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# File 'lib/dirty_seed/attribute.rb', line 42

def name
  @name ||= column.name.to_sym
end

#type ⇒ Symbol

Returns attribute type

Returns:

  • (Symbol) 


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# File 'lib/dirty_seed/attribute.rb', line 48

def type
  @type ||=
    TYPE_SYMMETRIES[column.sql_type_metadata.type] || column.sql_type_metadata.type
end

#validators ⇒ Array<ActiveModel::Validations::EachValidators>

Returns an validators related to the current attribute

Returns:

  • (Array<ActiveModel::Validations::EachValidators>) 


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# File 'lib/dirty_seed/attribute.rb', line 55

def validators
  @validators ||=
    model.validators.select do |validator|
      validator.attributes.include? name
    end
end

#value ⇒ Object?

Returns a value matching type and validators

Returns:

  • (Object, nil) 


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# File 'lib/dirty_seed/attribute.rb', line 30

def value
  assigner.value
end