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Roles strategy configuration
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The strategies using an inline attribute on the User class are: admin_flag, role_string, role_strings, roles_string, roles_mask
class User include Roles::Generic strategy :admin_flag valid_roles_are :guest, :admin end
include Roles::Generic can be substituted with another module if you are using an ORM implementation of Roles.
The call to #strategy sets up the User with the given strategy and the default option means that the default name for the attribute is used.
The call _#valid_roles_are is used to define which roles are valid and can be assigned to the user (using fx user.role = :guest)
Separate Role model strategies
The strategies using a separate Role class to hold the role(s) are: one_role, many_roles For some document stores supporting embedded documents the following are also available: embed_one_role, embed_many_roles
class User include Roles::Generic strategy :many_roles valid_roles_are :guest, :admin, :editor end
The Roles are configured just the same. All the magic of linking everything together is done behind the scenes ;)