Sha256: 56e2a2896a7410495ddfb323ed4998c1fe23edb8b09f7e2dfae9786384537214
Contents?: true
Size: 1.27 KB
Versions: 9
Compression:
Stored size: 1.27 KB
Contents
module Goliath
module Rack
module Validation
class FailedCoerce < StandardError
attr_reader :error
def initialize(error)
@error = error
end
end
module Coerce
NOT_CLASS_ERROR = "Params as must be a class"
INVALID_COERCE_TYPE = "%s does not respond to coerce"
def coerce_setup!(opts={})
as = opts.delete(:as)
if as
unless Class === as
raise Exception.new(NOT_CLASS_ERROR)
end
@coerce_instance = as.new
unless @coerce_instance.respond_to?(:coerce)
raise Exception.new(INVALID_COERCE_TYPE % @coerce_instance)
end
end
end
def call(env)
begin
coerce_value(env['params']) if @coerce_instance
nil
rescue FailedCoerce => e
return e.error unless @optional
end
super if defined?(super)
end
def coerce_value(params)
opts = {:default => @default, :message => @message}
value_before_coerce = fetch_key(params)
value_after_coerce = @coerce_instance.coerce(value_before_coerce, opts)
fetch_key(params, value_after_coerce)
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems