module UserHelper
Public Instance Methods
has_permission?(action)
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Determines if the user has permission to a given action. If the action does not exist at all, it is assumed the action is publicly available.
@param [String] action name of the action to check permission for. @return [true|false] true if the user has at least one role linked to it
with permission to the given action.
# File lib/generators/templates/helpers/user_helper.rb, line 29 def has_permission?(action) return true if Action.where(name: action).count == 0 actions.where(name: action).count > 0 end
has_role?(*args)
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Determines if the user has one or more of the given roles linked to it.
@param [String] args an argument list of one or more roles to check for. @return [true|false] true if the user is linked to at least one of the
given roles.
# File lib/generators/templates/helpers/user_helper.rb, line 9 def has_role?(*args) throw Exception.new("Must supply at least one role.") if args.empty? roles.where(name: args).count > 0 end
has_roles?(*args)
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Determines if the user has all of the given roles linked to it.
@param [String] args an argument list of one or more roles to check for. @return [true|false] true if the user is linked to all of the given roles.
# File lib/generators/templates/helpers/user_helper.rb, line 18 def has_roles?(*args) throw Exception.new("Must supply at least one role.") if args.empty? roles.where(name: args).count == args.count end