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ryanb's scope-builder at master - GitHub
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Run the following if you haven't already:
gem sources -a https://gems.github.com
Install the gem(s):
sudo gem install ryanb-scope-builder
| Description: | Build up named scopes conditionally. edit |
| Homepage: | edit |
| Public Clone URL: |
git://github.com/ryanb/scope-builder.git
Give this clone URL to anyone.
git clone git://github.com/ryanb/scope-builder.git
|
| Your Clone URL: |
Use this clone URL yourself.
git clone git@github.com:ryanb/scope-builder.git
|
| name | age | message | |
|---|---|---|---|
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.gitignore | Loading commit data...  |
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CHANGELOG | ||
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LICENSE | Thu Jun 26 07:38:34 -0700 2008 | initial import [ryanb] |
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Manifest | ||
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README.rdoc | ||
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Rakefile | Thu Aug 28 07:10:35 -0700 2008 | releasing v0.1.2 [ryanb] |
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lib/ | ||
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scope-builder.gemspec | Thu Aug 28 07:10:35 -0700 2008 | releasing v0.1.2 [ryanb] |
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script/ | Thu Jun 26 09:41:41 -0700 2008 | fixing script/console so it properly loads the ... [ryanb] |
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spec/ | ||
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tasks/ | Thu Jun 26 07:38:34 -0700 2008 | initial import [ryanb] |
README.rdoc
Scope Builder
Build up named scopes conditionally.
Install
First specify it in your Rails config.
config.gem 'ryanb-scope-builder', :lib => 'scope_builder', :source => 'https://gems.github.com'
And then install it.
rake gems:install
Rails 2.1 or later required.
Usage
This gem adds the scope_builder method to all Active Record models. A builder behaves exactly like any other named scope except that calling other named scopes on it will alter the builder itself rather than returning a new named scope.
builder = Product.scope_builder builder.released.visible # call a couple named scopes to change builder builder.cheap if only_show_cheap_products? # build scopes conditionally
The scope_builder method can also take a block which will return the builder. This is useful when you are using the builder in a model search method.
# in product model
def self.search(options)
scope_builder do |builder|
builder.released.visible
builder.cheap if options[:cheap]
end
end
The scope_builder method can also be called on an existing scope.
products = Product.released.visible builder = products.scope_builder builder.cheap if only_show_cheap_products?
Development
This project can be found on github at the following URL.
github.com/ryanb/scope-builder/
If you would like to contribute to this project, please fork the repository and send me a pull request.
This feature is coming soon. Sit tight!