Merge 6f06689 into 8923d60

.rubocop.yml

@@ -35,3 +35,7 @@ RSpec/MultipleExpectations:
 RSpec/ExpectActual:
   Exclude:
     - 'spec/routing/**'
+
+RSpec/DescribeClass:
+  Exclude:
+    - 'spec/requests/**'

Gemfile

@@ -36,6 +36,8 @@ gem 'uuidtools', '~> 2.1.4'
 
 # DLSS/domain-specific dependencies
 gem 'dor-services', '~> 7.0'
+gem 'dry-struct'
+gem 'dry-types'
 
 group :test, :development do
   gem 'coveralls', '~> 0.8', require: false

Gemfile.lock

@@ -173,6 +173,11 @@ GEM
       dry-initializer (~> 3.0)
       dry-logic (~> 1.0)
       dry-types (~> 1.0)
+    dry-struct (1.0.0)
+      dry-core (~> 0.4, >= 0.4.3)
+      dry-equalizer (~> 0.2)
+      dry-types (~> 1.0)
+      ice_nine (~> 0.11)
     dry-types (1.1.1)
       concurrent-ruby (~> 1.0)
       dry-container (~> 0.3)
@@ -205,6 +210,7 @@ GEM
       domain_name (~> 0.5)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
+    ice_nine (0.11.2)
     iso-639 (0.2.8)
     jaro_winkler (1.5.3)
     json (2.2.0)
@@ -448,6 +454,8 @@ DEPENDENCIES
   coveralls (~> 0.8)
   dlss-capistrano
   dor-services (~> 7.0)
+  dry-struct
+  dry-types
   equivalent-xml
   faraday
   honeybadger

app/controllers/objects_controller.rb

@@ -46,6 +46,10 @@ def update
     head :no_content
   end
 
+  def show
+    render json: Cocina::Mapper.build(@item)
+  end
+
   def publish
     PublishMetadataService.publish(@item)
     head :created

app/models/cocina/dro.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Cocina
+  # A digital repository object.  See https://github.com/sul-dlss-labs/taco/blob/master/maps/DRO.json
+  class DRO < Dry::Struct
+    attribute :externalIdentifier, Types::Strict::String
+    attribute :type, Types::Strict::String
+    attribute :label, Types::Strict::String
+
+    def as_json(*)
+      {
+        externalIdentifier: externalIdentifier,
+        type: type,
+        label: label
+      }
+    end
+  end
+end

app/models/cocina/types.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+module Cocina
+  # This defines the data types supported by the model
+  module Types
+    include Dry.Types()
+  end
+end

app/services/cocina/mapper.rb

@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+module Cocina
+  # Maps Dor::Items to Cocina objects
+  class Mapper
+    def self.build(item)
+      new(item).build
+    end
+
+    def initialize(item)
+      @item = item
+    end
+
+    def build
+      Cocina::DRO.new(externalIdentifier: item.pid,
+                      type: type,
+                      label: item.label)
+    end
+
+    private
+
+    attr_reader :item
+
+    # @todo This should have more speicific type such as found in identityMetadata.objectType
+    def type
+      case item
+      when Dor::Item
+        'object'
+      when Dor::Collection
+        'collection'
+      else
+        raise "Unknown type for #{item.class}"
+      end
+    end
+  end
+end

config/routes.rb

@@ -20,7 +20,7 @@
       get 'catkey', to: 'marcxml#catkey'
     end
 
-    resources :objects, only: [:create, :update] do
+    resources :objects, only: [:create, :update, :show] do
       member do
         post 'publish'
         post 'update_embargo'

spec/requests/show_object_spec.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'Get the object' do
+  let(:payload) { { sub: 'argo' } }
+  let(:jwt) { JWT.encode(payload, Settings.dor.hmac_secret, 'HS256') }
+  let(:basic_auth) { ActionController::HttpAuthentication::Basic.encode_credentials(user, password) }
+  let(:object) { Dor::Item.new(pid: 'druid:1234') }
+
+  before do
+    object.descMetadata.title_info.main_title = 'Hello'
+    object.label = 'foo'
+    allow(Dor).to receive(:find).and_return(object)
+  end
+
+  it 'returns the object' do
+    get '/v1/objects/druid:mk420bs7601',
+        headers: { 'X-Auth' => "Bearer #{jwt}" }
+    expect(response).to be_successful
+    expect(response.body).to eq '{"externalIdentifier":"druid:1234","type":"object","label":"foo"}'
+  end
+end