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Remove references to #find.

This commit is contained in:
Steve Klabnik 2012-11-29 17:28:57 -08:00
parent ae852341c1
commit 79cbb80498
1 changed files with 5 additions and 14 deletions
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@ -12,11 +12,9 @@
1. `h` to proxy to Rails/application helpers like `h.current_user` 1. `h` to proxy to Rails/application helpers like `h.current_user`
2. the name of your decorated model to access the wrapped object like `article.created_at` 2. the name of your decorated model to access the wrapped object like `article.created_at`
5. Wrap models in your controller with the decorator using: 5. Wrap models in your controller with the decorator using:
1. `.find` automatic lookup & wrap 1. `.decorate` method with a single object or collection,
ex: `ArticleDecorator.find(1)`
2. `.decorate` method with a single object or collection,
ex: `ArticleDecorator.decorate(Article.all)` ex: `ArticleDecorator.decorate(Article.all)`
3. `.new` method with single object 2. `.new` method with single object
ex: `ArticleDecorator.new(Article.first)` ex: `ArticleDecorator.new(Article.first)`
6. Call decorator methods from your view templates 6. Call decorator methods from your view templates
ex: `<%= @article_decorator.created_at %>` ex: `<%= @article_decorator.created_at %>`
@ -94,7 +92,7 @@ end
Then, to test it: Then, to test it:
```irb ```irb
> ad = ArticleDecorator.find(1) > ad = ArticleDecorator.new(Article.find(1))
=> #<ArticleDecorator:0x000001020d7728 @model=#<Article id: 1, title: "Hello, World">> => #<ArticleDecorator:0x000001020d7728 @model=#<Article id: 1, title: "Hello, World">>
> ad.title > ad.title
NoMethodError: undefined method `title' for #<ArticleDecorator:0x000001020d7728> NoMethodError: undefined method `title' for #<ArticleDecorator:0x000001020d7728>
@ -119,7 +117,7 @@ end
``` ```
```irb ```irb
> ad = ArticleDecorator.find(1) > ad = ArticleDecorator.new(Article.find(1))
=> #<ArticleDecorator:0x000001020d7728 @model=#<Article id: 1, title: "Hello, World">> => #<ArticleDecorator:0x000001020d7728 @model=#<Article id: 1, title: "Hello, World">>
> ad.title > ad.title
=> "Hello, World" => "Hello, World"
@ -206,13 +204,6 @@ ArticleDecorator.decorate(Article.first) # Returns one instance of ArticleDecora
ArticleDecorator.decorate(Article.all) # Returns an enumeration proxy of ArticleDecorator instances ArticleDecorator.decorate(Article.all) # Returns an enumeration proxy of ArticleDecorator instances
``` ```
* Call `.find` to automatically do a lookup on the corresponding model class.
In this example, Article:
```ruby
ArticleDecorator.find(1)
```
### In Your Views ### In Your Views
Use the new methods in your views like any other model method (ex: `@article.published_at`): Use the new methods in your views like any other model method (ex: `@article.published_at`):
@ -283,7 +274,7 @@ Then you need to perform the wrapping in your controller. Here's the simplest me
```ruby ```ruby
class ArticlesController < ApplicationController class ArticlesController < ApplicationController
def show def show
@article = ArticleDecorator.find params[:id] @article = ArticleDecorator.new(Article.find(params[:id]))
end end
end end
``` ```