Class: Countrizable::ActiveRecord::Adapter

Inherits:
Object
  • Object
show all
Includes:
AdapterDirty
Defined in:
lib/countrizable/active_record/adapter.rb

Instance Attribute Summary collapse

Attributes included from AdapterDirty

#dirty

Instance Method Summary collapse

Methods included from AdapterDirty

#_reset_attribute, #clear_dirty, #store_old_value, #write

Constructor Details

#initialize(record) ⇒ Adapter

Returns a new instance of Adapter.



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# File 'lib/countrizable/active_record/adapter.rb', line 11

def initialize(record)
  @record = record
  @stash = Attributes.new
end

Instance Attribute Details

#record ⇒ Object

The cache caches attributes that already were looked up for read access. The stash keeps track of new or changed values that need to be saved.



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# File 'lib/countrizable/active_record/adapter.rb', line 6

def record
  @record
end

#stash ⇒ Object

The cache caches attributes that already were looked up for read access. The stash keeps track of new or changed values that need to be saved.



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# File 'lib/countrizable/active_record/adapter.rb', line 6

def stash
  @stash
end

Instance Method Details

#fetch(country_code, name) ⇒ Object 



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# File 'lib/countrizable/active_record/adapter.rb', line 23

def fetch(country_code, name)
  record.countrizable_fallbacks(country_code).each do |fallback|
    value = stash.contains?(fallback, name) ? fetch_stash(fallback, name) : fetch_attribute(fallback, name)

    unless fallbacks_for?(value)
      set_metadata(value, :country_code => fallback, :requested_country_code => country_code)
      return value
    end
  end

  return nil
end

#fetch_stash(country_code, name) ⇒ Object 



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# File 'lib/countrizable/active_record/adapter.rb', line 16

def fetch_stash(country_code, name)
  stash.read(country_code, name)
end

#reset ⇒ Object 



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# File 'lib/countrizable/active_record/adapter.rb', line 54

def reset
  stash.clear
end

#save_country_values! ⇒ Object 



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# File 'lib/countrizable/active_record/adapter.rb', line 36

def save_country_values!
  stash.each do |country_code, attrs|
    next if attrs.empty?

    country_value = record.country_values_by_country_code[country_code] ||
                  record.country_values.build(country_code: country_code.to_s)
    attrs.each do |name, value|
      value = value.val if value.is_a?(Arel::Nodes::Casted)
      country_value[name] = value
    end

    ensure_foreign_key_for(country_value)
    country_value.save!
  end

  reset
end