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View Code? Open in Web Editor NEWA demo of using Grape with Roar and some non-trivial HAL presenters.
License: MIT License
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Hyperclient sample for README
This doesn't work (on the with-mongoid branch) for _post.
require 'hyperclient'
client = Hyperclient.new('http://localhost:9292/api')
3.times do |i|
client.splines._post(spline: { name: i.to_s, reticulated: [true, false].sample })
end
client.splines.each do |spline|
puts "spline #{spline.id} #{spline.reticulated ? 'is' : 'is not'} reticulated"
end
client.splines.each(&:_delete)Add a POST/PUT demo
Demo processing POSTed JSON.
Why is the links include http:// as opposed to relative /splines/1
If you see here: http://haltalk.herokuapp.com/explorer/browser.html#/, the links are relative like /users but this project uses full paths like http://domain.com/splines, does it matter?
I can't upgrade to grape 0.10
I use this project as a template, except I use activerecord:
get 'articles' do
# ActiveRecord::Relation
articles = Articles.all
# articles.respond_to?('merge') == true
present articles, with: ArticlesPresenter
end
This crashes because of this change.
Because the opts parameter is empty:
link :self do |opts|
"#{base_url(opts)}/api"
end
Though it's not a problem for this project because splines is an array and it doesn't respond_to?('merge').
get do
splines = Acme::Models::Spline.all
present Kaminari.paginate_array(splines).page(params[:page]).per(params[:size]), with: Acme::Api::Presenters::SplinesPresenter
end
I can't understand further, please fix this, here's a full stack trace:
NoMethodError:
undefined method `[]' for nil:NilClass
Shared Example Group: "paginated resource" called from ./spec/app/api/article_spec.rb:4
# ./app/presenters/paginated_presenter.rb:33:in `request_url'
# ./app/presenters/paginated_presenter.rb:16:in `block in <module:PaginatedPresenter>'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/roar-1.0.0/lib/roar/hypermedia.rb:80:in `instance_exec'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/roar-1.0.0/lib/roar/hypermedia.rb:80:in `run_link_block'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/roar-1.0.0/lib/roar/hypermedia.rb:68:in `block in compile_links_for'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/roar-1.0.0/lib/roar/hypermedia.rb:66:in `collect'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/roar-1.0.0/lib/roar/hypermedia.rb:66:in `compile_links_for'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/roar-1.0.0/lib/roar/hypermedia.rb:62:in `prepare_links!'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/roar-1.0.0/lib/roar/hypermedia.rb:139:in `block in create_links_definition!'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/uber-0.0.12/lib/uber/options.rb:80:in `instance_exec'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/uber-0.0.12/lib/uber/options.rb:80:in `proc!'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/uber-0.0.12/lib/uber/options.rb:69:in `evaluate_for'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/uber-0.0.12/lib/uber/options.rb:60:in `evaluate'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/representable-2.1.3/lib/representable/binding.rb:107:in `evaluate_option'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/representable-2.1.3/lib/representable/binding.rb:80:in `get'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/representable-2.1.3/lib/representable/binding.rb:37:in `block in compile_fragment'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/representable-2.1.3/lib/representable/binding.rb:100:in `evaluate_option'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/representable-2.1.3/lib/representable/binding.rb:36:in `compile_fragment'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/representable-2.1.3/lib/representable/mapper.rb:64:in `compile_fragment'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/roar-1.0.0/lib/roar/json/hal.rb:64:in `compile_fragment'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/representable-2.1.3/lib/representable/mapper.rb:30:in `serialize_property'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/representable-2.1.3/lib/representable/mapper.rb:22:in `block in serialize'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/representable-2.1.3/lib/representable/mapper.rb:21:in `each'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/representable-2.1.3/lib/representable/mapper.rb:21:in `serialize'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/representable-2.1.3/lib/representable.rb:41:in `create_representation_with'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/representable-2.1.3/lib/representable/hash.rb:35:in `to_hash'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/dsl/inside_route.rb:200:in `merge'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/dsl/inside_route.rb:200:in `present'
# ./app/api/articles.rb:20:in `block in <class:Articles>'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/endpoint.rb:47:in `call'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/endpoint.rb:47:in `block in generate_api_method'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/endpoint.rb:247:in `call'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/endpoint.rb:247:in `run'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/endpoint.rb:195:in `block in call!'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/middleware/base.rb:24:in `call'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/middleware/base.rb:24:in `call!'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/middleware/base.rb:18:in `call'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/middleware/base.rb:24:in `call!'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/middleware/base.rb:18:in `call'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/middleware/error.rb:27:in `block in call!'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/middleware/error.rb:26:in `catch'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/middleware/error.rb:26:in `call!'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/middleware/base.rb:18:in `call'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-1.6.0/lib/rack/head.rb:13:in `call'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-1.6.0/lib/rack/builder.rb:153:in `call'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/endpoint.rb:196:in `call!'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/endpoint.rb:184:in `call'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-mount-0.8.3/lib/rack/mount/route_set.rb:152:in `block in call'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-mount-0.8.3/lib/rack/mount/code_generation.rb:96:in `block in recognize'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-mount-0.8.3/lib/rack/mount/code_generation.rb:75:in `optimized_each'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-mount-0.8.3/lib/rack/mount/code_generation.rb:95:in `recognize'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-mount-0.8.3/lib/rack/mount/route_set.rb:141:in `call'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-mount-0.8.3/lib/rack/mount/code_generation.rb:96:in `block in recognize'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-mount-0.8.3/lib/rack/mount/code_generation.rb:75:in `optimized_each'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-mount-0.8.3/lib/rack/mount/code_generation.rb:95:in `recognize'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-mount-0.8.3/lib/rack/mount/route_set.rb:141:in `call'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/grape-0.10.1/lib/grape/api.rb:102:in `call'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-test-0.6.3/lib/rack/mock_session.rb:30:in `request'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-test-0.6.3/lib/rack/test.rb:244:in `process_request'
# /home/ubuntu/.rvm/gems/ruby-2.1.3/gems/rack-test-0.6.3/lib/rack/test.rb:58:in `get'
# ./spec/app/api/shared_examples/resource.rb:34:in `block (3 levels) in <top (required)>'Add a MongoDB-backed demo
With cursor-based pagination, see codegram/hyperclient#106.
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