Changes to the collection indexer to make it aware of IIIF

Previously when you selected a collection thumbnail it did not know to
use a IIIF url

.rubocop.yml

@@ -36,7 +36,8 @@ Metrics/LineLength:
   Exclude:
     - 'app/controllers/catalog_controller.rb'
     - 'spec/controllers/curation_concerns/generic_works_controller_spec.rb'
-    - 'spec/services/iiif_thumbnail_path_service_spec.rb'
+    - 'spec/services/iiif_collection_thumbnail_path_service_spec.rb'
+    - 'spec/services/iiif_work_thumbnail_path_service_spec.rb'
     - 'spec/routing/proprietor/accounts_routing_spec.rb'
 
 Style/IndentationConsistency:

app/indexers/collection_indexer.rb

@@ -0,0 +1,15 @@
+class CollectionIndexer < Hyrax::CollectionIndexer
+  # This indexes the default metadata. You can remove it if you want to
+  # provide your own metadata and indexing.
+  include Hyrax::IndexesBasicMetadata
+
+  # Use thumbnails served by RIIIF
+  self.thumbnail_path_service = IIIFCollectionThumbnailPathService
+
+  # Uncomment this block if you want to add custom indexing behavior:
+  # def generate_solr_document
+  #  super.tap do |solr_doc|
+  #    solr_doc['my_custom_field_ssim'] = object.my_custom_property
+  #  end
+  # end
+end

app/indexers/file_set_indexer.rb

@@ -1,3 +1,3 @@
 class FileSetIndexer < Hyrax::FileSetIndexer
-  self.thumbnail_path_service = IIIFThumbnailPathService
+  self.thumbnail_path_service = IIIFWorkThumbnailPathService
 end

app/indexers/image_indexer.rb

@@ -10,7 +10,7 @@ class ImageIndexer < Hyrax::WorkIndexer
   include Hyrax::IndexesLinkedMetadata
 
   # Use thumbnails served by RIIIF
-  self.thumbnail_path_service = IIIFThumbnailPathService
+  self.thumbnail_path_service = IIIFWorkThumbnailPathService
 
   # Uncomment this block if you want to add custom indexing behavior:
   # def generate_solr_document

app/indexers/work_indexer.rb

@@ -8,7 +8,7 @@ class WorkIndexer < Hyrax::WorkIndexer
   include Hyrax::IndexesLinkedMetadata
 
   # Use thumbnails served by RIIIF
-  self.thumbnail_path_service = IIIFThumbnailPathService
+  self.thumbnail_path_service = IIIFWorkThumbnailPathService
 
   # Uncomment this block if you want to add custom indexing behavior:
   # def generate_solr_document

app/models/collection.rb

@@ -3,5 +3,5 @@ class Collection < ActiveFedora::Base
   include ::Hyrax::CollectionBehavior
   # You can replace these metadata if they're not suitable
   include Hyrax::BasicMetadata
-  self.indexer = Hyrax::CollectionWithBasicMetadataIndexer
+  self.indexer = CollectionIndexer
 end

app/services/concerns/iiif_thumbnail_paths.rb

@@ -0,0 +1,29 @@
+module IIIFThumbnailPaths
+  extend ActiveSupport::Concern
+
+  class_methods do
+    # @param [FileSet] file_set
+    # @param [String] size ('!150,300') an IIIF image size defaults to an image no
+    #                      wider than 150px and no taller than 300px
+    # @return the IIIF url for the thumbnail if it's an image, otherwise gives
+    #         the thumbnail download path
+    def thumbnail_path(file_set, size = '!150,300'.freeze)
+      return super(file_set) unless file_set.image?
+      iiif_thumbnail_path(file_set, size)
+    end
+
+    # @private
+    def iiif_thumbnail_path(file_set, size)
+      file = file_set.original_file
+      return unless file
+      Riiif::Engine.routes.url_helpers.image_path(
+        file.id,
+        size: size
+      )
+    end
+
+    def thumbnail?(_thumbnail)
+      true
+    end
+  end
+end

app/services/iiif_collection_thumbnail_path_service.rb

@@ -0,0 +1,8 @@
+class IIIFCollectionThumbnailPathService < Hyrax::CollectionThumbnailPathService
+  include IIIFThumbnailPaths
+
+  # The image to use if no thumbnail has been selected
+  def self.default_image
+    ActionController::Base.helpers.image_path 'collection.png'
+  end
+end

app/services/iiif_work_thumbnail_path_service.rb

@@ -0,0 +1,3 @@
+class IIIFWorkThumbnailPathService < Hyrax::WorkThumbnailPathService
+  include IIIFThumbnailPaths
+end

spec/indexers/collection_indexer_spec.rb

@@ -0,0 +1,9 @@
+require 'spec_helper'
+
+RSpec.describe CollectionIndexer do
+  describe ".thumbnail_path_service" do
+    subject { described_class.thumbnail_path_service }
+
+    it { is_expected.to eq IIIFCollectionThumbnailPathService }
+  end
+end

spec/indexers/file_set_indexer_spec.rb

@@ -1,6 +1,6 @@
 RSpec.describe FileSetIndexer do
   describe 'thumbnail_path_service' do
     subject { described_class.thumbnail_path_service }
-    it { is_expected.to eq IIIFThumbnailPathService }
+    it { is_expected.to eq IIIFWorkThumbnailPathService }
   end
 end

spec/indexers/work_indexer_spec.rb

@@ -1,7 +1,7 @@
 RSpec.describe WorkIndexer do
   describe 'thumbnail_path_service' do
     subject { described_class.thumbnail_path_service }
-    it { is_expected.to eq IIIFThumbnailPathService }
+    it { is_expected.to eq IIIFWorkThumbnailPathService }
   end
 
   describe 'rdf_service' do

spec/models/collection_spec.rb

@@ -4,4 +4,10 @@
   it "is a hyrax collection" do
     expect(described_class.ancestors).to include Hyrax::CollectionBehavior
   end
+
+  describe ".indexer" do
+    subject { described_class.indexer }
+
+    it { is_expected.to eq CollectionIndexer }
+  end
 end

spec/services/iiif_collection_thumbnail_path_service_spec.rb

@@ -0,0 +1,38 @@
+RSpec.describe IIIFCollectionThumbnailPathService do
+  let(:file_set) { FileSet.new }
+  let(:file) do
+    double(id: 's1/78/4k/72/s1784k724/files/6185235a-79b2-4c29-8c24-4d6ad9b11470',
+           mime_type: 'image/jpeg')
+  end
+
+  before do
+    allow(ActiveFedora::Base).to receive(:find).with('s1784k724').and_return(file_set)
+    allow(file_set).to receive_messages(original_file: file, id: 's1784k724')
+    # https://github.com/projecthydra/active_fedora/issues/1251
+    allow(file_set).to receive(:persisted?).and_return(true)
+  end
+
+  context "on a collection" do
+    subject { described_class.call(collection) }
+
+    context "with a thumbnail" do
+      let(:collection) { build(:collection, thumbnail_id: 's1784k724') }
+
+      it { is_expected.to eq '/images/s1%2F78%2F4k%2F72%2Fs1784k724%2Ffiles%2F6185235a-79b2-4c29-8c24-4d6ad9b11470/full/!150,300/0/default.jpg' }
+    end
+
+    context "without a thumbnail" do
+      let(:collection) { build(:collection) }
+
+      it { is_expected.to start_with '/assets/collection-' }
+    end
+  end
+
+  context "on a file set" do
+    subject { described_class.call(file_set) }
+
+    context "with an image" do
+      it { is_expected.to eq '/images/s1%2F78%2F4k%2F72%2Fs1784k724%2Ffiles%2F6185235a-79b2-4c29-8c24-4d6ad9b11470/full/!150,300/0/default.jpg' }
+    end
+  end
+end

spec/services/iiif_thumbnail_path_service_spec.rb → spec/services/iiif_work_thumbnail_path_service_spec.rb

@@ -1,4 +1,4 @@
-RSpec.describe IIIFThumbnailPathService do
+RSpec.describe IIIFWorkThumbnailPathService do
   let(:file_set) { FileSet.new }
   let(:file) do
     double(id: 's1/78/4k/72/s1784k724/files/6185235a-79b2-4c29-8c24-4d6ad9b11470',