Presentation 3.0 Alpha Support

.rubocop.yml

@@ -14,6 +14,7 @@ Metrics/BlockLength:
 Naming/MethodName:
   Exclude:
     - 'lib/iiif_manifest/manifest_builder/iiif_service.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder/iiif_service.rb'
 
 RSpec/MultipleExpectations:
   Enabled: false

.rubocop_todo.yml

@@ -11,6 +11,10 @@ Metrics/AbcSize:
   Exclude:
     - 'lib/iiif_manifest/manifest_builder/resource_builder.rb'
     - 'lib/iiif_manifest/manifest_factory.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder/body_builder.rb'
+    - 'lib/iiif_manifest/v3/manifest_factory.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder/content_builder.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder/choice_builder.rb'
 
 # Offense count: 1
 # Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, IgnoredPatterns.
@@ -31,6 +35,7 @@ RSpec/NamedSubject:
     - 'spec/lib/iiif_manifest/display_image_spec.rb'
     - 'spec/lib/iiif_manifest/iiif_endpoint_spec.rb'
     - 'spec/lib/iiif_manifest/manifest_builder/resource_builder_spec.rb'
+    - 'spec/lib/iiif_manifest/v3/manifest_builder/body_builder_spec.rb'
 
 # Offense count: 1
 # Configuration parameters: IgnoreSymbolicNames.
@@ -41,6 +46,8 @@ RSpec/VerifiedDoubles:
 RSpec/ExampleLength:
   Exclude:
     - 'spec/lib/iiif_manifest/manifest_factory_spec.rb'
+    - 'spec/lib/iiif_manifest/v3/manifest_factory_spec.rb'
+    - 'spec/lib/iiif_manifest/v3/manifest_builder/body_builder_spec.rb'
 
 # Offense count: 20
 Style/Documentation:
@@ -66,7 +73,21 @@ Style/Documentation:
     - 'lib/iiif_manifest/manifest_service_locator.rb'
     - 'lib/iiif_manifest.rb'
     - 'lib/iiif_manifest/manifest_builder/iiif_service.rb'
+    - 'lib/iiif_manifest/v3.rb'
+    - 'lib/iiif_manifest/v3/display_content.rb'
+    - 'lib/iiif_manifest/v3/manifest_factory.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder/structure_builder.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder/iiif_service.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder/canvas_builder.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder/choice_builder.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder/content_builder.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder/body_builder.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder/record_property_builder.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder/image_service_builder.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder.rb'
+    - 'lib/iiif_manifest/v3/manifest_service_locator.rb'
     - 'spec/lib/iiif_manifest/manifest_factory_spec.rb'
+    - 'spec/lib/iiif_manifest/v3/manifest_factory_spec.rb'
 
 # Offense count: 1
 Style/MethodMissing:
@@ -76,10 +97,21 @@ Style/MethodMissing:
 Metrics/ClassLength:
   Exclude:
     - 'lib/iiif_manifest/manifest_service_locator.rb'
+    - 'lib/iiif_manifest/v3/manifest_service_locator.rb'
 
 # Offense count: 1
 # Cop supports --auto-correct.
 # Configuration parameters: MinSize, SupportedStyles.
 # SupportedStyles: percent, brackets
 Style/SymbolArray:
   EnforcedStyle: brackets
+
+Metrics/ParameterLists:
+  Exclude:
+    - 'lib/iiif_manifest/v3/display_content.rb'
+    - 'lib/iiif_manifest/v3/manifest_builder/canvas_builder.rb'
+
+RSpec/NestedGroups:
+  Exclude:
+    - 'spec/lib/iiif_manifest/v3/manifest_factory_spec.rb'
+    - 'spec/lib/iiif_manifest/v3/manifest_builder/body_builder_spec.rb'

iiif_manifest.gemspec

@@ -1,4 +1,4 @@
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'iiif_manifest/version'
 

lib/iiif_manifest.rb

@@ -11,4 +11,5 @@ module IIIFManifest
   autoload :DisplayImage
   autoload :IIIFCollection
   autoload :IIIFEndpoint
+  autoload :V3
 end

lib/iiif_manifest/iiif_collection.rb

@@ -1,6 +1,8 @@
-class IIIFCollection < SimpleDelegator
-  def viewing_hint
-    return super if __getobj__.respond_to?(:viewing_hint)
-    'multi-part'
+module IIIFManifest
+  class IIIFCollection < SimpleDelegator
+    def viewing_hint
+      return super if __getobj__.respond_to?(:viewing_hint)
+      'multi-part'
+    end
   end
 end

lib/iiif_manifest/v3.rb

@@ -0,0 +1,13 @@
+require 'active_support'
+require 'active_support/core_ext/module'
+require 'active_support/core_ext/object'
+
+module IIIFManifest
+  module V3
+    extend ActiveSupport::Autoload
+    autoload :ManifestBuilder
+    autoload :ManifestFactory
+    autoload :ManifestServiceLocator
+    autoload :DisplayContent
+  end
+end

lib/iiif_manifest/v3/display_content.rb

@@ -0,0 +1,17 @@
+module IIIFManifest
+  module V3
+    class DisplayContent
+      attr_reader :url, :width, :height, :duration, :iiif_endpoint, :format, :type, :label
+      def initialize(url, type:, width: nil, height: nil, duration: nil, label: nil, format: nil, iiif_endpoint: nil)
+        @url = url
+        @type = type
+        @width = width
+        @height = height
+        @duration = duration
+        @label = label
+        @format = format
+        @iiif_endpoint = iiif_endpoint
+      end
+    end
+  end
+end

lib/iiif_manifest/v3/manifest_builder.rb

@@ -0,0 +1,39 @@
+require_relative 'manifest_builder/iiif_service'
+require_relative 'manifest_builder/canvas_builder'
+require_relative 'manifest_builder/record_property_builder'
+require_relative 'manifest_builder/choice_builder'
+require_relative 'manifest_builder/content_builder'
+require_relative 'manifest_builder/body_builder'
+require_relative 'manifest_builder/structure_builder'
+require_relative 'manifest_builder/image_service_builder'
+
+module IIIFManifest
+  module V3
+    class ManifestBuilder
+      attr_reader :work,
+                  :builders,
+                  :top_record_factory
+      def initialize(work, builders:, top_record_factory:)
+        @work = work
+        @builders = builders
+        @top_record_factory = top_record_factory
+      end
+
+      def apply(collection)
+        collection['manifests'] ||= []
+        collection['manifests'] << to_h
+        collection
+      end
+
+      def to_h
+        @to_h ||= builders.new(work).apply(top_record)
+      end
+
+      private
+
+      def top_record
+        top_record_factory.new
+      end
+    end
+  end
+end

lib/iiif_manifest/v3/manifest_builder/body_builder.rb

@@ -0,0 +1,48 @@
+module IIIFManifest
+  module V3
+    class ManifestBuilder
+      class BodyBuilder
+        attr_reader :display_content, :iiif_body_factory, :image_service_builder_factory
+        def initialize(display_content, iiif_body_factory:, image_service_builder_factory:)
+          @display_content = display_content
+          @iiif_body_factory = iiif_body_factory
+          @image_service_builder_factory = image_service_builder_factory
+        end
+
+        def apply(annotation)
+          build_body
+          image_service_builder.apply(body) if iiif_endpoint
+          annotation.body = body
+        end
+
+        private
+
+        def build_body
+          body['id'] = display_content.url
+          body['type'] = body_type
+          body['height'] = display_content.height if display_content.try(:height)
+          body['width'] = display_content.width if display_content.try(:width)
+          body['duration'] = display_content.duration if display_content.try(:duration)
+          body['format'] = display_content.format if display_content.format
+          body['label'] = display_content.label if display_content.try(:label)
+        end
+
+        def body
+          @body ||= iiif_body_factory.new
+        end
+
+        def body_type
+          display_content.try(:type) || 'Image'
+        end
+
+        def iiif_endpoint
+          display_content.try(:iiif_endpoint)
+        end
+
+        def image_service_builder
+          image_service_builder_factory.new(iiif_endpoint)
+        end
+      end
+    end
+  end
+end

lib/iiif_manifest/v3/manifest_builder/canvas_builder.rb

@@ -0,0 +1,75 @@
+module IIIFManifest
+  module V3
+    class ManifestBuilder
+      class CanvasBuilder
+        attr_reader :record, :parent, :iiif_canvas_factory, :content_builder,
+                    :choice_builder, :iiif_annotation_page_factory
+
+        def initialize(record,
+                       parent,
+                       iiif_canvas_factory:,
+                       content_builder:,
+                       choice_builder:,
+                       iiif_annotation_page_factory:)
+          @record = record
+          @parent = parent
+          @iiif_canvas_factory = iiif_canvas_factory
+          @content_builder = content_builder
+          @choice_builder = choice_builder
+          @iiif_annotation_page_factory = iiif_annotation_page_factory
+          apply_record_properties
+          # Presentation 2.x approach
+          attach_image if display_image
+          # Presentation 3.0 approach
+          attach_content if display_content
+        end
+
+        def canvas
+          @canvas ||= iiif_canvas_factory.new
+        end
+
+        def path
+          "#{parent.manifest_url}/canvas/#{record.id}"
+        end
+
+        def apply(items)
+          return items if canvas.items.blank?
+          items << canvas
+        end
+
+        private
+
+        def display_image
+          record.display_image if record.respond_to?(:display_image)
+        end
+
+        def display_content
+          Array.wrap(record.display_content) if record.respond_to?(:display_content)
+        end
+
+        def apply_record_properties
+          canvas['id'] = path
+          canvas.label = record.to_s
+          annotation_page['id'] = "#{path}/annotation_page/#{annotation_page.index}"
+          canvas.items = [annotation_page]
+        end
+
+        def annotation_page
+          @annotation_page ||= iiif_annotation_page_factory.new
+        end
+
+        def attach_image
+          content_builder.new(display_image).apply(canvas)
+        end
+
+        def attach_content
+          if display_content.size == 1
+            content_builder.new(display_content.first).apply(canvas)
+          else
+            choice_builder.new(display_content).apply(canvas)
+          end
+        end
+      end
+    end
+  end
+end

lib/iiif_manifest/v3/manifest_builder/choice_builder.rb

@@ -0,0 +1,47 @@
+module IIIFManifest
+  module V3
+    class ManifestBuilder
+      class ChoiceBuilder
+        attr_reader :display_content, :iiif_annotation_factory, :body_builder_factory, :iiif_choice_factory
+        def initialize(display_content, iiif_annotation_factory:, body_builder_factory:, iiif_choice_factory:)
+          @display_content = display_content
+          @iiif_annotation_factory = iiif_annotation_factory
+          @body_builder_factory = body_builder_factory
+          @iiif_choice_factory = iiif_choice_factory
+          build_choice
+        end
+
+        def apply(canvas)
+          annotation['target'] = canvas['id']
+          canvas['width'] = choice.items.first['width']
+          canvas['height'] = choice.items.first['height']
+          canvas['duration'] = choice.items.first['duration']
+          annotation.body = choice
+          # Assume first item in canvas is an annotation page
+          canvas.items.first.items += [annotation]
+        end
+
+        private
+
+        def build_choice
+          display_content.each do |content|
+            content_body = body_builder(content).apply(iiif_annotation_factory.new)
+            choice.items += [content_body]
+          end
+        end
+
+        def body_builder(content)
+          body_builder_factory.new(content)
+        end
+
+        def annotation
+          @annotation ||= iiif_annotation_factory.new
+        end
+
+        def choice
+          @choice ||= iiif_choice_factory.new
+        end
+      end
+    end
+  end
+end

lib/iiif_manifest/v3/manifest_builder/content_builder.rb

@@ -0,0 +1,38 @@
+module IIIFManifest
+  module V3
+    class ManifestBuilder
+      class ContentBuilder
+        attr_reader :display_content, :iiif_annotation_factory, :body_builder_factory
+        def initialize(display_content, iiif_annotation_factory:, body_builder_factory:)
+          @display_content = display_content
+          @iiif_annotation_factory = iiif_annotation_factory
+          @body_builder_factory = body_builder_factory
+          build_resource
+        end
+
+        def apply(canvas)
+          annotation['target'] = canvas['id']
+          canvas['width'] = annotation.body['width']
+          canvas['height'] = annotation.body['height']
+          canvas['duration'] = annotation.body['duration']
+          # Assume first item in canvas is an annotation page
+          canvas.items.first.items += [annotation]
+        end
+
+        private
+
+        def build_resource
+          body_builder.apply(annotation)
+        end
+
+        def body_builder
+          body_builder_factory.new(display_content)
+        end
+
+        def annotation
+          @annotation ||= iiif_annotation_factory.new
+        end
+      end
+    end
+  end
+end