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I'm not hugely familiar with ruby internals vis a vis sclass semantics, but this *probably* serves as a workaround for the MRI thread-safety bug mentioned in #3505. Beyond that, and even if this doesn't fix the thread-safety issue, per [this blog post][1], `define_method` is recommended over `class_eval` for performance (and, fwiw, readability) reasons anyway. [1]: http://tenderlovemaking.com/2013/03/03/dynamic_method_definitions.html
67 lines
2.4 KiB
Ruby
67 lines
2.4 KiB
Ruby
module Devise
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module Controllers
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# Create url helpers to be used with resource/scope configuration. Acts as
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# proxies to the generated routes created by devise.
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# Resource param can be a string or symbol, a class, or an instance object.
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# Example using a :user resource:
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#
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# new_session_path(:user) => new_user_session_path
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# session_path(:user) => user_session_path
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# destroy_session_path(:user) => destroy_user_session_path
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#
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# new_password_path(:user) => new_user_password_path
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# password_path(:user) => user_password_path
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# edit_password_path(:user) => edit_user_password_path
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#
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# new_confirmation_path(:user) => new_user_confirmation_path
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# confirmation_path(:user) => user_confirmation_path
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#
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# Those helpers are included by default to ActionController::Base.
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#
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# In case you want to add such helpers to another class, you can do
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# that as long as this new class includes both url_helpers and
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# mounted_helpers. Example:
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#
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# include Rails.application.routes.url_helpers
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# include Rails.application.routes.mounted_helpers
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#
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module UrlHelpers
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def self.remove_helpers!
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self.instance_methods.map(&:to_s).grep(/_(url|path)$/).each do |method|
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remove_method method
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end
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end
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def self.generate_helpers!(routes=nil)
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routes ||= begin
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mappings = Devise.mappings.values.map(&:used_helpers).flatten.uniq
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Devise::URL_HELPERS.slice(*mappings)
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end
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routes.each do |module_name, actions|
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[:path, :url].each do |path_or_url|
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actions.each do |action|
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action = action ? "#{action}_" : ""
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method = :"#{action}#{module_name}_#{path_or_url}"
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define_method method do |resource_or_scope, *args|
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scope = Devise::Mapping.find_scope!(resource_or_scope)
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router_name = Devise.mappings[scope].router_name
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context = router_name ? send(router_name) : _devise_route_context
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context.send("#{action}#{scope}_#{module_name}_#{path_or_url}", *args)
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end
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end
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end
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end
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end
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generate_helpers!(Devise::URL_HELPERS)
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private
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def _devise_route_context
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@_devise_route_context ||= send(Devise.available_router_name)
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end
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end
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end
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end
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