Dropdown select for collections from Plum.

Closes #20.

Gemfile

@@ -43,6 +43,8 @@ group :development, :test do
   gem 'rubocop-rspec', require: false
   gem 'vcr'
   gem 'webmock', require: false
+  gem 'capybara'
+  gem 'factory_girl_rails'
 end
 
 group :development do

Gemfile.lock

@@ -115,6 +115,12 @@ GEM
     builder (3.2.2)
     byebug (8.2.1)
     cancancan (1.13.1)
+    capybara (2.5.0)
+      mime-types (>= 1.16)
+      nokogiri (>= 1.3.3)
+      rack (>= 1.0.0)
+      rack-test (>= 0.5.4)
+      xpath (~> 2.0)
     carrierwave (0.10.0)
       activemodel (>= 3.2.0)
       activesupport (>= 3.2.0)
@@ -167,6 +173,11 @@ GEM
     erubis (2.7.0)
     execjs (2.6.0)
     extlib (0.9.16)
+    factory_girl (4.5.0)
+      activesupport (>= 3.0.0)
+    factory_girl_rails (4.5.0)
+      factory_girl (~> 4.5.0)
+      railties (>= 3.0.0)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
     faraday_middleware (0.10.0)
@@ -433,6 +444,8 @@ GEM
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff
+    xpath (2.0.0)
+      nokogiri (~> 1.3)
 
 PLATFORMS
   ruby
@@ -443,11 +456,13 @@ DEPENDENCIES
   blacklight-oembed
   blacklight-spotlight!
   byebug
+  capybara
   coffee-rails (~> 4.1.0)
   coveralls
   devise
   devise-guests (~> 0.3)
   devise_invitable
+  factory_girl_rails
   friendly_id
   iiif-presentation
   jbuilder (~> 2.0)

app/controllers/exhibits_controller.rb

@@ -0,0 +1,16 @@
+class ExhibitsController < Spotlight::ExhibitsController
+  prepend_before_action :find_exhibit
+
+  private
+
+    def find_exhibit
+      @exhibit ||=
+        decorate(
+          Spotlight::Exhibit.new
+        )
+    end
+
+    def decorate(obj)
+      AppliesTitleFromSlug.new(obj, params[:exhibit][:slug])
+    end
+end

app/decorators/applies_title_from_slug.rb

@@ -0,0 +1,24 @@
+class AppliesTitleFromSlug < SimpleDelegator
+  delegate :class, to: :__getobj__
+  attr_reader :slug
+  def initialize(record, slug)
+    @slug = slug
+    super(record)
+  end
+
+  def save(*args)
+    __getobj__.title = title
+    __getobj__.slug = slug
+    super
+  end
+
+  private
+
+    def manifest
+      @manifest ||= CollectionManifest.find_by_slug(slug)
+    end
+
+    def title
+      manifest.label
+    end
+end

app/models/collection_manifest.rb

@@ -3,6 +3,12 @@ def self.load(url)
     new(ExternalManifest.load(url).send(:data))
   end
 
+  def self.find_by_slug(slug)
+    ExternalCollectionsQuery.all.find do |manifest|
+      manifest.slug == slug
+    end
+  end
+
   def slug
     metadata.find do |entry|
       entry["label"] == slug_key

app/views/spotlight/exhibits/_new_exhibit_form.html.erb

@@ -1,7 +1,6 @@
-<%= bootstrap_form_for @exhibit, url: ((spotlight.exhibit_path(@exhibit) if @exhibit.persisted?) || spotlight.exhibits_path), layout: :horizontal, label_col: 'col-md-2', control_col: 'col-md-10', html: {class: "row"} do |f| %>
+<%= bootstrap_form_for @exhibit, url: ((spotlight.exhibit_path(@exhibit) if @exhibit.persisted?) || exhibits_path), layout: :horizontal, label_col: 'col-md-2', control_col: 'col-md-10', html: {class: "row"} do |f| %>
 <div class="row col-md-12">
-  <%= f.text_field :title, label: t(:'.fields.title.label'), help: t(:'.fields.title.help_block') %>
-  <%= f.text_field :slug, label: t(:'.fields.slug.label'), help: t(:'.fields.slug.help_block') %>
+  <%= f.collection_select(:slug, ExternalCollectionsQuery.all, :slug, :label, label: t(:'.fields.slug.label')) %>
   <%= f.text_field :tag_list %>
 
   <%= render 'initial_resources_form', locals: { f: f } %>

config/locales/en.yml

@@ -21,3 +21,9 @@
 
 en:
   hello: "Hello world"
+  spotlight:
+    exhibits:
+      new_exhibit_form:
+        fields:
+          slug:
+            label: Plum Collection

config/routes.rb

@@ -1,6 +1,7 @@
 Rails.application.routes.draw do
   mount Blacklight::Oembed::Engine, at: 'oembed'
   root to: 'spotlight/exhibits#index'
+  resources :exhibits, path: '/spotlight', only: [:create]
   mount Spotlight::Engine, at: 'spotlight'
   # root to: "catalog#index" # replaced by spotlight root path
   blacklight_for :catalog

spec/controllers/exhibits_controller_spec.rb

@@ -0,0 +1,27 @@
+require 'rails_helper'
+
+RSpec.describe ExhibitsController, vcr: { cassette_name: "all_collections" } do
+  before do
+    allow(Spotlight::DefaultThumbnailJob).to receive(:perform_later)
+    sign_in FactoryGirl.create(:site_admin)
+  end
+  describe "#create" do
+    context "when given just a slug" do
+      let(:params) do
+        {
+          exhibit: {
+            slug: "princeton-best"
+          }
+        }
+      end
+      it "works and pulls the title" do
+        post :create, params
+
+        expect(response).not_to render_template "new"
+        last_exhibit = Spotlight::Exhibit.last
+        expect(last_exhibit.title).to eq "princeton"
+        expect(last_exhibit.slug).to eq "princeton-best"
+      end
+    end
+  end
+end

spec/routing/exhibits_routing_spec.rb

@@ -0,0 +1,9 @@
+require 'rails_helper'
+
+RSpec.describe "exhibit routing" do
+  describe "POST /exhibits" do
+    it "routes to local exhibits controller" do
+      expect(post "/spotlight").to route_to controller: "exhibits", action: "create"
+    end
+  end
+end

spec/support/devise_helpers.rb

@@ -0,0 +1,4 @@
+RSpec.configure do |config|
+  config.include Devise::TestHelpers, type: :controller
+  config.include Devise::TestHelpers, type: :view
+end

spec/support/solr_cleanup.rb

@@ -0,0 +1,6 @@
+RSpec.configure do |config|
+  config.before(:each) do
+    Blacklight.default_index.connection.delete_by_query("*:*")
+    Blacklight.default_index.connection.commit
+  end
+end

spec/views/spotlight/exhibits/_new_exhibit_form.html.erb_spec.rb

@@ -0,0 +1,16 @@
+require 'rails_helper'
+
+RSpec.describe "spotlight/exhibits/_new_exhibit_form.html.erb", vcr: { cassette_name: 'all_collections' } do
+  it "displays a select of all available exhibits" do
+    assign(:exhibit, Spotlight::Exhibit.new)
+    render
+
+    expect(rendered).to have_select("Plum Collection", options: ['princeton', 'Test Collection 2'])
+  end
+  it "posts to the correct place" do
+    assign(:exhibit, Spotlight::Exhibit.new)
+    render
+
+    expect(rendered).to have_selector "form[action='/spotlight']"
+  end
+end