Abstract out "Configuration" functionality from i18n into separate gem.
Reported by viatropos | June 17th, 2010 @ 12:11 AM
Hi,
Not sure if there's an irc for i18n so I'm posting this here.
I am looking to build a sort of settings/configuration model that acts exactly like i18n, with a few extensions:
- Use dot-separated keys to acts as a nested set
(
site.authentication.use_openidas a sample setting) - Allow settings to be unique to individual models (polymorphic
belongs_to
configurable) - Have a default set of configurations/settings that are overridden on a per-model-as-needed basis.
I just looked through the i18n code to see if it was doing something similar (that's where I got the idea for dot-separated keys to mimic a nested set). It looks pretty much the same...
So I'm wondering, what are your thoughts on extracting out that core "nested set configuration" functionality into an even more fundamental gem which i18n builds upon?
By "nested set configuration" I mean these are equivalent:
path.to.translation = "Hello World"
{:path => {:to => {:translation => "Hello World"}}}
Setting.find("path", :scope => "to.translation").value => "Hello World"
That way I can do things like this (I'm actually using this now for settings):
Settings do
asset do
thumb do
width 100, :tip => "Thumb's width"
height 100, :tip => "Thumb's height"
end
medium do
width 600, :tip => "Thumb's width"
height 250, :tip => "Thumb's height"
end
large do
width 600, :tip => "Large's width"
height 295, :tip => "Large's height"
end
end
authentication do
use_open_id true
use_oauth true
email "martini@example.com"
password "martini"
end
front_page do
slideshow_tag "slideshow"
slideshow_effect "fade"
end
page do
per_page 10
feed_per_page 10
formats "markdown", :options => ["textile", "markdown", "plain", "html", "haml"]
end
people do
show_avatars true
default_avatar "/images/missing-person.png"
end
site do
title "Martini", :tooltip => "Main Site Title!"
tagline "Developer Friendly, Client Ready Blog with Rails 3"
keywords "Rails 3, Heroku, JQuery, HTML 5, Blog Engine, CSS3"
copyright "© 2010 Viatropos. All rights reserved."
menu :type => :integer,
:value => lambda { Post.roots },
:options => lambda { Post.roots.map {|p| [p.title, p.id]} }
date_format "%m %d, %Y"
time_format "%H"
week_starts_on "Monday", :options => ["Monday", "Sunday", "Friday"]
language "en-US", :options => ["en-US", "de"]
touch_enabled true
touch_as_subdomain false
google_analytics ""
logo "/images/logo-thumb.png"
cache_duration 60
permalink do
default "/:title"
date "/:date/:title"
numeric "/:id"
custom ""
end
teasers do
disable false
left :type => :integer,
:value => lambda { Post.first },
:options => lambda { Post.tree {|p| [p.title, p.id]} }
right :type => :integer,
:value => lambda { Post.first },
:options => lambda { Post.tree {|p| [p.title, p.id]} }
center :type => :integer,
:value => lambda { Post.first },
:options => lambda { Post.tree {|p| [p.title, p.id]} }
end
main_quote :type => :integer,
:value => lambda { Post.first },
:options => lambda { Post.tree {|p| [p.title, p.id]} }
end
s3 do
key "my_key"
secret "my_secret"
end
end
Here's the benefit of doing this:
- All applications that need Configuration (translations, preferences, app configuration, etc.) will only require one table
...something like this:
create_table :settings do |t|
t.string :scope #=> locale for translations
t.string :key
t.string :kind #=> or sti "type", "translations", "settings", etc.
t.references :configurable, :polymorphic => true # what it's associated with (per-user settings for example), null if global
t.text :value
t.text :interpolations
t.boolean :is_proc, :default => false
end
- Efforts can be divided among two main tasks: translations, and optimizing storing key/values and everything that entails (handling procs for example).
Otherwise, if I want to create settings functionality, where
Setting values are often procs (Post.all for
instance), I have to copy most of the i18n code, or start from
scratch.
Maybe something like this would be useful to others?
What are your thoughts?
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Internationalization API for Ruby.
This library is used in Ruby on Rails but also suited for use in other contexts.
carson reed
viatropos