97 lines
1.5 KiB
Markdown
97 lines
1.5 KiB
Markdown
---
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title: ActiveAdmin
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category: Ruby
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---
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### Listing scopes
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Allows you to filter listings by a certain scope.
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{: .-setup}
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```ruby
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scope :draft
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scope :for_approval
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```
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```ruby
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scope :public, if: ->{ current_admin_user.can?(...) }
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scope "Unapproved", :pending
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scope("Published") { |books| books.where(:published: true) }
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```
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### Sidebar filters
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```ruby
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filter :email
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filter :username
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```
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### Custom actions
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You can define custom actions for models.
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{: .-setup}
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```ruby
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before_filter only: [:show, :edit, :publish] do
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@post = Post.find(params[:id])
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end
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```
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#### Make the route
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```ruby
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member_action :publish, method: :put do
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@post.publish!
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redirect_to admin_posts_path, notice: "The post '#{@post}' has been published!"
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end
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```
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#### Link it in the index
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```ruby
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index do
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column do |post|
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link_to 'Publish', publish_admin_post_path(post), method: :put
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end
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end
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```
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#### And link it in show/edit
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```ruby
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action_item only: [:edit, :show] do
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@post = Post.find(params[:id])
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link_to 'Publish', publish_admin_post_path(post), method: :put
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end
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```
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### Columns
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```ruby
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column :foo
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```
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```ruby
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column :title, sortable: :name do |post|
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strong post.title
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end
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```
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### Other helpers
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```ruby
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status_tag "Done" # Gray
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status_tag "Finished", :ok # Green
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status_tag "You", :warn # Orange
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status_tag "Failed", :error # Red
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```
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### Disabling 'new post'
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```ruby
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ActiveAdmin.register Post do
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actions :index, :edit
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# or: config.clear_action_items!
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end
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```
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