Class: MemoryModel::Base::Fields::FieldSet

Inherits:
Set
  • Object
show all
Defined in:
lib/memory_model/base/fields/field_set.rb

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args, &block) ⇒ Object (private) 



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# File 'lib/memory_model/base/fields/field_set.rb', line 76

def method_missing(m, *args, &block)
  if to_a.respond_to? m
    to_a.send m, *args, &block
  else
    super
  end
end

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/memory_model/base/fields/field_set.rb', line 11

def [](name)
  find { |f| f.name == name.to_sym }
end

#add(name, options = {}) ⇒ Object 



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# File 'lib/memory_model/base/fields/field_set.rb', line 15

def add(name, options={})
  delete_if { |f| f == name }
  self << Field.new(name, options)
end

#comparable ⇒ Object 



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# File 'lib/memory_model/base/fields/field_set.rb', line 24

def comparable
  select(&:comparable?).map(&:to_sym)
end

#fetch_default_value(model, field) ⇒ Object 



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# File 'lib/memory_model/base/fields/field_set.rb', line 39

def fetch_default_value(model, field)
  default = self[field].default
  send("fetch_value_using_#{default.class.name.underscore}", model, default)
rescue NoMethodError => e
  raise ArgumentError, "#{default} must be a string, symbol, lambda or proc"
end

#include?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/memory_model/base/fields/field_set.rb', line 20

def include?(name)
  self[name].present?
end

#set_default_value(model, field) ⇒ Object 



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# File 'lib/memory_model/base/fields/field_set.rb', line 35

def set_default_value(model, field)
  model.write_attribute field, fetch_default_value(model, field)
end

#set_default_values(model, attributes = {}) ⇒ Object 



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# File 'lib/memory_model/base/fields/field_set.rb', line 28

def set_default_values(model, attributes={})
  model.attributes = self.map(&:name).reduce(attributes.with_indifferent_access) do |hash, field|
    hash[field] ||= fetch_default_value(model, field)
    hash
  end
end