Just right now I'm solving definitely this kind of task.
I choose an approach where each content having to be translated, is String or
Text.
Then I created two STI+polymorphic tables (models): MetaText and MetaString.
Each of them has columns "value" and "locale" to specify language.
class MetaString < ActiveRecord::Base
attr_accessible :value, :locale
belongs_to :resource, :polymorphic => true
end
class MetaText < ActiveRecord::Base
attr_accessible :value, :locale
belongs_to :resource, :polymorphic => true
end
For each model I've created STI models for whatever string/text content to be
translated. STI is needed to specify model behavior, such as validation or
etc...
Example:
class ArticleTitle < MetaString
validates_lenght_of :value, :maximum => 200
end
class ArticleContent < MetaText
validates_lenght_of :value, :minimum => 200
end
class Article < ActiveRecord::Base
has_many :titles, :class_name => "ArticleTitle", :as => :resource, :dependent
=> :delete_all
has_many :contents, :class_name => "ArticleTitle", :as => :resource,
:dependent => :delete_all
def title(locale=nil)
items = titles.to_a
items.find {|i| i.locale == locale || I18n.locale} || items.first
end
def content(locale=nil)
items = contents.to_a
items.find {|i| i.locale == locale || I18n.locale} || items.first
end
end
I18n.locale - application-level locale accessor.
I choose an approach (subdomain = locale):
- en.mysite.com - locale is 'en'
- ru.mysite.com - locale is 'ru' etc…
http://railscasts.com/episodes/221-subdomains-in-rails-3
On 16.09.2011, at 19:34, indi <[email protected]> wrote:
> hi,
> I've been asked to design a multiple language application for an
> architectural firm and I need advice with which is the best approach
> to it with Rails.
> Basically all the tables have some common fields that doesn't need to
> be translated and some others that need translation.
> At first it seems the application will be quite changing since not all
> the targets are clearly defined so, ease of change will make a good
> point.
>
> best regards,
> indi
>
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