Create local models so we can avoid cocina edits

app/components/contents/file_component.html.erb

@@ -6,7 +6,7 @@
       <%= filename %>
     <% end %>
   </td>
-  <td><%= hasMimeType %></td>
+  <td><%= mime_type %></td>
   <td><%= number_to_human_size(size) %></td>
   <% if image? %>
     <td><%= height %></td>
@@ -15,7 +15,7 @@
   <td><%= role %></td>
   <td class="ps-4"><%= tag :span, class: 'bi-check' if publish %></td>
   <td class="ps-4"><%= tag :span, class: 'bi-check' if shelve %></td>
-  <td class="ps-4"><%= tag :span, class: 'bi-check' if sdrPreserve %></td>
+  <td class="ps-4"><%= tag :span, class: 'bi-check' if preserve %></td>
   <td><%= view_access %></td>
   <td><%= download_access %></td>
 </tr>

app/components/contents/file_component.rb

@@ -19,15 +19,14 @@ def image?
       @image
     end
 
-    delegate :access, :administrative, :filename, :hasMimeType, :size, :externalIdentifier, :use, :presentation, to: :file
-    delegate :publish, :shelve, :sdrPreserve, to: :administrative
+    delegate :filename, :mime_type, :size, :use, :publish, :shelve, :preserve, to: :file
 
     def view_access
-      access.view.capitalize
+      file.view_access.capitalize
     end
 
     def download_access
-      access.download.capitalize
+      file.download_access.capitalize
     end
 
     def role
@@ -41,15 +40,11 @@ def link_attrs
     end
 
     def height
-      return '' if presentation&.height.blank?
-
-      "#{presentation.height} px"
+      "#{file.height} px" if file.height
     end
 
     def width
-      return '' if presentation&.width.blank?
-
-      "#{presentation.width} px"
+      "#{file.width} px" if file.width
     end
   end
 end

app/components/contents/resource_component.rb

@@ -2,6 +2,7 @@
 
 module Contents
   class ResourceComponent < ViewComponent::Base
+    # @param [FileSet] resource
     def initialize(resource:, resource_counter:, object_id:, viewable:)
       @resource = resource
       @resource_counter = resource_counter
@@ -23,10 +24,6 @@ def type
       resource.type.delete_prefix('https://cocina.sul.stanford.edu/models/resources/')
     end
 
-    delegate :label, to: :resource
-
-    def files
-      resource.structural.contains
-    end
+    delegate :label, :files, to: :resource
   end
 end

app/components/contents/structural_component.html.erb

@@ -1,4 +1,4 @@
 <ul class="resource-list">
-  <%= render Contents::ResourceComponent.with_collection(structural.contains, object_id: object_id, viewable: viewable?) %>
-  <%= render Contents::ExternalFileComponent.with_collection(structural.hasMemberOrders.first&.members) %>
+  <%= render Contents::ResourceComponent.with_collection(item.file_sets, object_id: object_id, viewable: viewable?) %>
+  <%= render Contents::ExternalFileComponent.with_collection(item.members) %>
 </ul>

app/components/contents/structural_component.rb

@@ -2,16 +2,15 @@
 
 module Contents
   class StructuralComponent < ViewComponent::Base
-    # @param [Cocina::Models::DroStructural] structural
-    # @param [String] object_id the identifier of the object
+    # @param [Item] item
     # @param [Bool] viewable if true the user will be presented with a link to download files
-    def initialize(structural:, object_id:, viewable:)
-      @structural = structural
+    def initialize(item:, viewable:)
+      @item = item
       @viewable = viewable
-      @object_id = object_id
+      @object_id = item.id
     end
 
-    attr_reader :structural, :object_id
+    attr_reader :item, :object_id
 
     def viewable?
       @viewable

app/components/contents_component.rb

@@ -2,18 +2,18 @@
 
 class ContentsComponent < ApplicationComponent
   def initialize(presenter:)
+    @item = presenter.item
     @document = presenter.document
-    @cocina = presenter.cocina
     @state_service = presenter.state_service
     @view_token = presenter.view_token
   end
 
   def render?
-    @cocina.respond_to?(:structural)
+    @item.is_a? Item
   end
 
   def number_of_file_sets
-    @cocina.structural.contains.size
+    @item.file_sets.size
   end
 
   delegate :allows_modification?, to: :@state_service

app/components/document_title_component.html.erb

@@ -1,5 +1,5 @@
 <header class="document-header row mb-5 pb-3">
-  <%= render OpenCloseComponent.new(id: @document.id) if helpers.can?(:manage_item, @presenter.cocina) %>
+  <%= render OpenCloseComponent.new(id: @document.id) if helpers.can?(:manage_item, @presenter.item) %>
 
   <%= content_tag @as, class: @classes do %>
     <%= title -%>

app/components/show/admin_policy_component.html.erb

@@ -4,7 +4,7 @@
   <div class="col">
     <%= render Show::ExternalLinksComponent.new(document: document) %>
     <%= render Show::ControlsComponent.new(presenter: presenter,
-                                           manager: helpers.can?(:manage_item, cocina)) %>
+                                           manager: helpers.can?(:manage_item, item)) %>
   </div>
 </div>
 

app/components/show/admin_policy_component.rb

@@ -8,6 +8,6 @@ def initialize(presenter:)
 
     attr_reader :presenter
 
-    delegate :document, :cocina, :view_token, to: :presenter
+    delegate :document, :item, :view_token, to: :presenter
   end
 end

app/components/show/agreement_component.html.erb

@@ -4,7 +4,7 @@
   <div class="col">
     <%= render Show::ExternalLinksComponent.new(document: document) %>
     <%= render Show::ControlsComponent.new(presenter: presenter,
-                                           manager: helpers.can?(:manage_item, presenter.cocina)) %>
+                                           manager: helpers.can?(:manage_item, presenter.item)) %>
   </div>
 </div>
 

app/components/show/apo/default_object_rights_component.rb

@@ -6,7 +6,7 @@ class DefaultObjectRightsComponent < ApplicationComponent
       # @param [ArgoShowPresenter] presenter
       def initialize(presenter:)
         @presenter = presenter
-        @default_access = @presenter.cocina.administrative.accessTemplate
+        @default_access = @presenter.item.access_template
       end
 
       def access_rights
@@ -22,7 +22,7 @@ def license
       end
 
       def use_and_reproduction
-        @default_access.useAndReproductionStatement || 'None'
+        @default_access.use_statement || 'None'
       end
     end
   end

app/components/show/apo/overview_component.rb

@@ -7,11 +7,11 @@ class OverviewComponent < ApplicationComponent
       def initialize(presenter:)
         @presenter = presenter
         @solr_document = presenter.document
-        @registration_workflow = presenter.cocina.administrative.registrationWorkflow
+        @registration_workflows = presenter.item.registration_workflows
       end
 
       def registration_workflow
-        @registration_workflow.present? ? @registration_workflow.join(', ') : 'None'
+        @registration_workflows.present? ? @registration_workflows.join(', ') : 'None'
       end
 
       delegate :id, :status, to: :@solr_document

app/components/show/apo/roles_component.rb

@@ -15,17 +15,17 @@ def permissions
       private
 
       def model
-        @presenter.cocina
+        @presenter.item
       end
 
       def manage_permissions
-        manage_role = model.administrative.roles&.find { |role| role.name == 'dor-apo-manager' }
+        manage_role = model.roles&.find { |role| role.name == 'dor-apo-manager' }
         managers = manage_role ? manage_role.members.map { |member| "#{member.type}:#{member.identifier}" } : []
         build_permissions(managers, 'manage')
       end
 
       def view_permissions
-        view_role = model.administrative.roles&.find { |role| role.name == 'dor-apo-viewer' }
+        view_role = model.roles&.find { |role| role.name == 'dor-apo-viewer' }
         viewers = view_role ? view_role.members.map { |member| "#{member.type}:#{member.identifier}" } : []
         build_permissions(viewers, 'view')
       end

app/components/show/collection_component.html.erb

@@ -4,7 +4,7 @@
   <div class="col">
     <%= render Show::ExternalLinksComponent.new(document: document) %>
     <%= render Show::ControlsComponent.new(presenter: presenter,
-                                           manager: helpers.can?(:manage_item, cocina)) %>
+                                           manager: helpers.can?(:manage_item, item)) %>
   </div>
 </div>
 

app/components/show/collection_component.rb

@@ -8,6 +8,6 @@ def initialize(presenter:)
 
     attr_reader :presenter
 
-    delegate :document, :cocina, :view_token, to: :presenter
+    delegate :document, :item, :view_token, to: :presenter
   end
 end

app/components/show/item/details_component.rb

@@ -10,7 +10,7 @@ def initialize(presenter:)
       end
 
       def render?
-        !@presenter.cocina.is_a? NilModel
+        @presenter.item
       end
 
       delegate :object_type, :created_date, :preservation_size, to: :@solr_document

app/components/show/item/overview_component.rb

@@ -10,7 +10,7 @@ def initialize(presenter:)
       end
 
       def render?
-        !@presenter.cocina.is_a? NilModel
+        @presenter.item
       end
 
       delegate :id, :status, to: :@solr_document

app/components/show/item_component.html.erb

@@ -7,7 +7,7 @@
   <div class="col-md-9">
     <%= render Show::ExternalLinksComponent.new(document: document) %>
     <%= render Show::ControlsComponent.new(presenter: presenter,
-                                           manager: helpers.can?(:manage_item, presenter.cocina)) %>
+                                           manager: helpers.can?(:manage_item, presenter.item)) %>
   </div>
 </div>
 

app/components/workflow_process_row.rb

@@ -4,11 +4,11 @@
 class WorkflowProcessRow < ApplicationComponent
   # @param [Dor::Workflow::Response::Process] process_status the model for the WorkflowProcess
   # @param [Integer] index the row index
-  # @param [Cocina::Models::DRO,Cocina::Models::Collection] cocina_object the repository object that the workflow is about
-  def initialize(process:, index:, cocina_object:)
+  # @param [Item,Collection] item the repository object that the workflow is about
+  def initialize(process:, index:, item:)
     @process = process
     @index = index
-    @cocina_object = cocina_object
+    @item = item
   end
 
   delegate :druid, :workflow_name, :repository, :name, :status, :datetime,
@@ -25,8 +25,8 @@ def error?
   end
 
   def show_reset_button?
-    error? && can?(:manage_item, cocina_object)
+    error? && can?(:manage_item, item)
   end
 
-  attr_reader :process, :index, :cocina_object
+  attr_reader :process, :index, :item
 end

app/controllers/apo_controller.rb

@@ -17,14 +17,14 @@ def edit
   end
 
   def new
-    authorize! :create, Cocina::Models::AdminPolicy
+    authorize! :create, AdminPolicy
     @form = ApoForm.new(nil, search_service: search_service)
 
     render layout: 'one_column'
   end
 
   def create
-    authorize! :create, Cocina::Models::AdminPolicy
+    authorize! :create, AdminPolicy
     @form = ApoForm.new(nil, search_service: search_service)
     unless @form.validate(params.require(:apo).to_unsafe_h.merge(registered_by: current_user.login))
       respond_to do |format|

app/controllers/application_controller.rb

@@ -10,8 +10,8 @@ class ApplicationController < ActionController::Base
 
   layout :determine_layout
 
-  def allows_modification?(cocina_object)
-    state_service = StateService.new(cocina_object)
+  def allows_modification?(item)
+    state_service = StateService.new(item)
     state_service.allows_modification?
   end
 
@@ -36,13 +36,11 @@ def default_html_head
 
   protected
 
-  def enforce_versioning
-    return redirect_to solr_document_path(@cocina.externalIdentifier), flash: { error: 'Unable to retrieve the cocina model' } if @cocina.is_a? NilModel
-
+  def enforce_versioning(item = @item)
     # if this object has been submitted and doesn't have an open version, they cannot change it.
-    return true if allows_modification?(@cocina)
+    return true if allows_modification?(item)
 
-    redirect_to solr_document_path(@cocina.externalIdentifier), flash: { error: 'Object cannot be modified in its current state.' }
+    redirect_to solr_document_path(item.id), flash: { error: 'Object cannot be modified in its current state.' }
     false
   end
 end

app/controllers/catalog_controller.rb

@@ -207,10 +207,13 @@ def show
     params[:id] = Druid.new(params[:id]).with_namespace
     _deprecated_response, @document = search_service.fetch(params[:id])
 
-    @cocina = Repository.find(params[:id])
-    flash[:alert] = 'Warning: this object cannot currently be represented in the Cocina model.' if @cocina.instance_of?(NilModel)
+    begin
+      @item = Repository.find(params[:id])
+    rescue Repository::NotCocina
+      flash[:alert] = 'Warning: this object cannot currently be represented in the Cocina model.'
+    end
 
-    authorize! :view_metadata, @cocina
+    authorize! :view_metadata, @item
 
     @workflows = WorkflowService.workflows_for(druid: params[:id])
 

app/controllers/catkeys_controller.rb

@@ -11,7 +11,7 @@ class CatkeysController < ApplicationController
   end
 
   def edit
-    @change_set = CatkeyForm.new(@cocina)
+    @change_set = CatkeyForm.new(@item)
     respond_to do |format|
       format.html { render layout: !request.xhr? }
     end
@@ -20,20 +20,20 @@ def edit
   def update
     return unless enforce_versioning
 
-    form = CatkeyForm.new(@cocina)
+    form = CatkeyForm.new(@item)
     form.validate(catkey: update_params[:catkey].strip)
     form.save
-    Argo::Indexer.reindex_druid_remotely(@cocina.externalIdentifier)
+    Argo::Indexer.reindex_druid_remotely(@item.id)
 
-    msg = "Catkey for #{@cocina.externalIdentifier} has been updated!"
-    redirect_to solr_document_path(@cocina.externalIdentifier), notice: msg
+    msg = "Catkey for #{@item.id} has been updated!"
+    redirect_to solr_document_path(@item.id), notice: msg
   end
 
   private
 
   def load_and_authorize_resource
-    @cocina = Repository.find(params[:item_id])
-    authorize! :manage_item, @cocina
+    @item = Repository.find(params[:item_id])
+    authorize! :manage_item, @item
   end
 
   def update_params