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Contents
module Cream::Helper
module Role
# does the user have ANY of the given roles?
# Uses generic roles API
def has_role?(*roles)
current_user.has_role? roles.flatten
end
# does the user have ALL of the given roles?
# Uses generic roles API
def has_roles?(*roles)
current_user.has_roles? roles.flatten
end
# returns true if the current user owns the object
# tries default 'owner' relations if none given as an argument
def owner?(obj, relation=nil)
if relation
return true if user_relation?(obj, relation)
end
[:user, :owner, :author].each do |relation|
return true if user_relation?(obj, relation)
end
false
end
# execute block if user DOES have any of the given roles
def for_roles(*user_roles, &block)
user_roles = user_roles.flatten
yield if has_role?(user_roles) && block
end
alias_method :for_role, :for_roles
# execute block if user DOES NOT have any of the given roles
def not_for_roles(*user_roles, &block)
user_roles = user_roles.flatten
yield if !has_role?(user_roles) && block
end
alias_method :not_for_role, :not_for_roles
protected
def user_relation? obj, relation
raise ArgumentError, "User method must be a Symbol or String" if !relation.kind_of_label?
current_user == obj.send(relation) if obj.respond_to? relation
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems