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# frozen_string_literal: true
module ActiveModelSerializers
module Adapter
class JsonApi
# link
# definition:
# oneOf
# linkString
# linkObject
#
# description:
# A link **MUST** be represented as either: a string containing the link's URL or a link
# object."
# structure:
# if href?
# linkString
# else
# linkObject
# end
#
# linkString
# definition:
# URI
#
# description:
# A string containing the link's URL.
# structure:
# 'http://example.com/link-string'
#
# linkObject
# definition:
# JSON Object
#
# properties:
# href (required) : URI
# meta
# structure:
# {
# href: 'http://example.com/link-object',
# meta: meta,
# }.reject! {|_,v| v.nil? }
class Link
include SerializationContext::UrlHelpers
def initialize(serializer, value)
@_routes ||= nil # handles warning
# actionpack-4.0.13/lib/action_dispatch/routing/route_set.rb:417: warning: instance variable @_routes not initialized
@object = serializer.object
@scope = serializer.scope
# Use the return value of the block unless it is nil.
if value.respond_to?(:call)
@value = instance_eval(&value)
else
@value = value
end
end
def href(value)
@href = value
nil
end
def meta(value)
@meta = value
nil
end
def as_json
return @value if @value
hash = {}
hash[:href] = @href if defined?(@href)
hash[:meta] = @meta if defined?(@meta)
hash.any? ? hash : nil
end
protected
attr_reader :object, :scope
end
end
end
end
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