I would like to use the rails URL helper instead of hard coding the path to access the article.
I checked into the documentation but nothing is specified.
The article_path
helper method exists (I checked by running rake routes
)
class V3::ArticlesController < Api::V3::BaseController
def index
articles = Article.all
render json: ::V3::ArticleItemSerializer.new(articles).serialized_json
end
end
class V3::ArticleItemSerializer
include FastJsonapi::ObjectSerializer
attributes :title
link :working_url do |object|
"http://article.com/#{object.title}"
end
# link :what_i_want_url do |object|
# article_path(object)
# end
end
What you want to do is pass in the context to your serializer from your controller:
module ContextAware
def initialize(resource, options = {})
super
@context = options[:context]
end
end
class V3::ArticleItemSerializer
include FastJsonapi::ObjectSerializer
include ContextAware
attributes :title
link :working_url do |object|
@context.article_path(object)
end
end
class V3::ArticlesController < Api::V3::BaseController
def index
articles = Article.all
render json: ::V3::ArticleItemSerializer.new(articles, context: self).serialized_json
end
end
You should also switch to the jsonapi-serializer gem which is currently maintained as fast_jsonapi was abandoned by Netflix.
I found a solution thanks to max's example .
I also changed the gem to jsonapi-serializer
class V3::ArticlesController < Api::V3::BaseController
def index
articles = Article.all
render json: ::V3::ArticleItemSerializer.new(articles, params: { context: self }).serialized_json
end
end
class V3::ArticleItemSerializer
include JSONAPI::Serializer
attributes :title
link :working_url do |object|
"http://article.com/#{object.title}"
end
link :also_working_url do |object, params|
params[:context].article_path(object)
end
end
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