WIP - Step toward Slottables

We decided that instead of creating a `Slot`, we want to create Gizmos
directly, and we want to make those `Gizmo` by sending users to the
actual `/new` page for the particular `Gizmo`.

We're thinking we will make the UI cards of Gizmos, so that they can
include things like why you might want to add that Gizmo, or the help docs
or the ... whatever. We don't know. It'll be fine.

app/controllers/slots_controller.rb

@@ -0,0 +1,19 @@
+class SlotsController < ApplicationController
+  expose :slot, scope: -> { policy_scope(current_room.slots) }
+
+  def new
+    authorize(slot)
+  end
+
+  def create
+    if authorize(slot).save
+      redirect_to(slot.slottable.location)
+    else
+      render :new, status: :unprocessable_entity
+    end
+  end
+
+  def slot_params
+    params.require(:slot).permit([:slottable_type])
+  end
+end

app/lib/space_routes.rb

@@ -8,6 +8,7 @@ def self.append_routes(router)
     router.resources :rooms, only: %i[show edit update new create destroy] do
       Furniture.append_routes(router)
       router.resources :furnitures, only: %i[create edit update destroy]
+      router.resources :slots, only: %i[new create]
       router.resource :hero_image, controller: "room/hero_images"
     end
 

app/models/room.rb

@@ -30,6 +30,8 @@ class Room < ApplicationRecord
   has_many :gizmos, dependent: :destroy, inverse_of: :room, class_name: :Furniture
   accepts_nested_attributes_for :gizmos
 
+  has_many :slots, dependent: :destroy, inverse_of: :section
+
   DESCRIPTION_MAX_LENGTH = 300
   validates :description, length: {maximum: DESCRIPTION_MAX_LENGTH, allow_blank: true}
 

app/models/slot.rb

@@ -1,6 +1,8 @@
 class Slot < ApplicationRecord
-  belongs_to :section, class_name: "Room"
-  belongs_to :slottable, polymorphic: true
+  belongs_to :section, class_name: "Room", inverse_of: :slots
+  has_one :space, through: :section
+
+  belongs_to :slottable, polymorphic: true, inverse_of: :slot
 
   include RankedModel
   ranks :slot_order, with_same: [:section_id]

app/policies/slot_policy.rb

@@ -0,0 +1,10 @@
+class SlotPolicy < ApplicationPolicy
+  alias_method :slot, :object
+
+  def create?
+    current_person.operator? || current_person.member_of?(slot.space)
+  end
+
+  class Scope < ApplicationScope
+  end
+end

app/views/rooms/edit.html.erb

@@ -11,6 +11,19 @@
     <%= render "rooms/hero_image/form", room: room %>
   <% end %>
 <%- end %>
+
+<%- if current_person.operator? || Rails.env.test? %>
+  <%= render CardComponent.new do |card| %>
+    <%- card.with_header do %>
+      <h2>Gizmos (but lighter)</h2>
+    <%- end %>
+
+    <%- card.with_footer(variant: :action_bar) do%>
+      <%= link_to "Add a Slottable", room.location(:new, child: :slot),
+                  class: "button w-full" %>
+    <%- end %>
+  <%- end %>
+<%- end %>
 <div class="mt-3 gap-y-3">
   <%= render CardComponent.new do %>
     <h2>Gizmos</h2>

app/views/slots/new.html.erb

@@ -0,0 +1,5 @@
+<%= form_with(model: [slot.space, slot.section, slot]) do |slot_form| %>
+  <%= slot_form.label(:slottable_type) %>
+  <%= slot_form.select(:slottable_type, [:MarkdownTextBlock]) %>
+  <%= slot_form.submit %>
+<%- end %>

spec/models/room_spec.rb

@@ -4,6 +4,8 @@
   let(:space) { Space.new }
 
   it { is_expected.to have_many(:gizmos).inverse_of(:room).dependent(:destroy) }
+  it { is_expected.to have_many(:slots).inverse_of(:section).dependent(:destroy) }
+
   it { is_expected.to belong_to(:space).inverse_of(:rooms) }
 
   describe "#description" do

spec/models/slot_spec.rb

@@ -1,6 +1,6 @@
 require "rails_helper"
 
 RSpec.describe Slot do
-  it { is_expected.to belong_to(:section).class_name(:Room) }
-  it { is_expected.to belong_to(:slottable) }
+  it { is_expected.to belong_to(:section).class_name(:Room).inverse_of(:slots) }
+  it { is_expected.to belong_to(:slottable).inverse_of(:slot) }
 end

spec/system/slots_system_spec.rb

@@ -8,14 +8,14 @@
     sign_in(space.members.first, space)
     visit(polymorphic_path(section.location(:edit)))
 
-    click_link("Add a Slottable")
+    click_link("Add Text Block")
+    expect(page).to have_current_path(polymorphic_path(section.location(:new, child: :text_block)))
 
-    select("Text Block", from: "Type")
-
-    click_button("Create Slottable")
+    fill_in_rich_text_area("Body", with: "Prepare yourself for AMAZING")
+    click_button("Create")
 
     expect(section.slots.count).to eq(1)
-    expect(section.slots.slottable).to be_a(TextBlock)
-    expect(page).to have_current_path(polymorphic_path(section.slots.slottable))
+    expect(section.slots.first.slottable).to be_a(TextBlock)
+    expect(sections.slots.first.slottable.body).to eq("Prepare yourself for AMAZING")
   end
 end