Methods
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Instance Public methods
_insert_callbacks(callbacks, block)

Take callback names and an optional callback proc, normalize them, then call the block with each callback. This allows us to abstract the normalization across several methods that use it.

Parameters

  • callbacks - An array of callbacks, with an optional options hash as the last parameter.

  • block - A proc that should be added to the callbacks.

Block Parameters

  • name - The callback to be added

  • options - A hash of options to be used when adding the callback

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 69
def _insert_callbacks(callbacks, block)
  options = callbacks.last.is_a?(Hash) ? callbacks.pop : {}
  _normalize_callback_options(options)
  callbacks.push(block) if block
  callbacks.each do |callback|
    yield callback, options
  end
end
_normalize_callback_options(options)

If :only or :except are used, convert the options into the primitive form (:per_key) used by ActiveSupport::Callbacks. The basic idea is that :only => :index gets converted to :if => proc {|c| c.action_name == “index” }, but that the proc is only evaluated once per action for the lifetime of a Rails process.

Options

  • only - The callback should be run only for this action

  • except - The callback should be run for all actions except this action

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 33
def _normalize_callback_options(options)
  if only = options[:only]
    only = Array(only).map {|o| "action_name == '#{o}'"}.join(" || ")
    options[:per_key] = {:if => only}
  end
  if except = options[:except]
    except = Array(except).map {|e| "action_name == '#{e}'"}.join(" || ")
    options[:per_key] = {:unless => except}
  end
end
after_filter(names, block)

Append an after filter. See #_insert_callbacks for parameter details.

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 113
append_after_filter(names, block)

Append an after filter. See #_insert_callbacks for parameter details.

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 134
append_around_filter(names, block)

Append an around filter. See #_insert_callbacks for parameter details.

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 162
append_before_filter(names, block)

Append a before filter. See #_insert_callbacks for parameter details.

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 106
around_filter(names, block)

Append an around filter. See #_insert_callbacks for parameter details.

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 141
before_filter(names, block)

Append a before filter. See #_insert_callbacks for parameter details.

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 85
prepend_after_filter(names, block)

Prepend an after filter. See #_insert_callbacks for parameter details.

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 120
prepend_around_filter(names, block)

Prepend an around filter. See #_insert_callbacks for parameter details.

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 148
prepend_before_filter(names, block)

Prepend a before filter. See #_insert_callbacks for parameter details.

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 92
skip_after_filter(names, block)

Skip an after filter. See #_insert_callbacks for parameter details.

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 127
skip_around_filter(names, block)

Skip an around filter. See #_insert_callbacks for parameter details.

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 155
skip_before_filter(names, block)

Skip a before filter. See #_insert_callbacks for parameter details.

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 99
skip_filter(*names, &blk)

Skip before, after, and around filters matching any of the names

Parameters

  • names - A list of valid names that could be used for callbacks. Note that skipping uses Ruby equality, so it's impossible to skip a callback defined using an anonymous proc using skip_filter

Source: show | on GitHub 

# File actionpack/lib/abstract_controller/callbacks.rb, line 51
def skip_filter(*names, &blk)
  skip_before_filter(*names)
  skip_after_filter(*names)
  skip_around_filter(*names)
end