feature: adds an admin interface for HomePageImage

app/controllers/admin/home_page_images_controller.rb

@@ -0,0 +1,38 @@
+class Admin::HomePageImagesController < Admin::BaseController
+  def index
+    @home_page_images = HomePageImage.rank(:display_order).all
+  end
+
+  def new
+    @home_page_image = HomePageImage.new
+  end
+
+  def create
+    @home_page_image = HomePageImage.new(home_page_image_params)
+
+    if @home_page_image.save
+      flash[:success] = "Home Page Image successfully created."
+      redirect_to admin_home_page_images_path
+    else
+      render :new
+    end
+  end
+
+  def destroy
+    @home_page_image = HomePageImage.find(params[:id])
+
+    if @home_page_image.destroy
+      flash[:success] = "Successfully removed Home Page Image"
+      redirect_to admin_home_page_images_path
+    else
+      flash[:error] = "Could not destroy this Home Page Image"
+      redirect_to admin_home_page_images_path
+    end
+  end
+
+  private
+
+  def home_page_image_params
+    params.require(:home_page_image).permit!
+  end
+end

app/views/admin/home_page_images/index.html.haml

@@ -0,0 +1,22 @@
+= content_for :admin_area_title do
+  Home Page Images
+.row
+  .col-12
+    - @home_page_images.in_groups_of(4, false).each do |home_page_image_group|
+      .row
+        - home_page_image_group.each do |home_page_image|
+          .col-sm-12.col-md-3
+            = image_tag home_page_image.image, class: "img-fluid img-thumbnail"
+            .float-left
+              %span.text-muted= home_page_image.display_order
+            .float-right
+              = link_to admin_home_page_image_path(home_page_image), method: :delete, data: { confirm: "Are you sure?" } do
+                %i.fa.fa-times.text-danger
+                Destroy
+%hr
+.row
+  .col-12
+    .float-right
+      = link_to "Add New Home Page Image",
+        new_admin_home_page_image_path,
+        class: "btn btn-sm btn-success"

app/views/admin/home_page_images/new.html.haml

@@ -0,0 +1,48 @@
+-# frozen_string_literal: true
+.row
+  .col
+    %h1 New Home Page Image
+    %p Home page images are loaded in a responsive, browsable photo gallery.
+
+.row
+  .col
+    = simple_form_for([:admin, @home_page_image], multipart: true) do |f|
+      = f.error_notification
+      - if f.object.errors[:base].present?
+        = f.error_notification message: f.object.errors[:base].to_sentence
+      .form-inputs
+        %fieldset
+          = f.input :short_name
+          = f.input :display_order,
+            hint: "Guides display order. Responsive styling may override."
+          = f.input :hidden
+        %fieldset
+          %legend Image
+          %strong.text-danger It is extremely important that you OPTIMIZE the image BEFORE uploading it for the sake of page load speed.
+          %p Landscape images will look the best, generally speaking, especially on mobile.
+          .form-row
+            = f.file_field :image,
+              direct_upload: true,
+              class: "custom-input-file",
+              type: 'file',
+              "data-multiple-caption" => "{count} files selected"
+            = f.label :image do
+              %i.fa.fa-upload
+              %span Select Web Optimized Image
+            - if f.object.image.attached?
+              .attachment-wrapper{id: "attachment-wrapper-#{f.object.image.id}"}
+                = image_tag f.object.image,
+                  class: "img img-fluid img-thumbnail"
+                = link_to attachment_path(id: f.object.image.id), method: :delete, remote: true, class: "text-danger" do
+                  %i.fa.fa-times
+
+      %br
+      .form-actions
+        = link_to admin_home_page_images_path,
+          class: "btn btn-md btn-outline-secondary mr-2",
+          data: { confirm: "Careful! You will lose any progress you made on this form."} do
+          %i.fas.fa-arrow-left
+          Go Back
+        = f.button :submit,
+          class: "btn btn-md btn-outline-success",
+          data: { disable_with: "Submitting..." }

app/views/admin/navigation/_sidebar.html.haml

@@ -50,3 +50,5 @@
         Public Pages
       %li.navigation-item
         %a.navigation-link{href: root_path} Home
+      %li.navigation-item
+        %a.navigation-link{href: admin_home_page_images_path} Home Page Images

config/routes.rb

@@ -77,5 +77,6 @@
     resources :team_members
     resource :profile, controller: "profile", only: [:show, :edit, :update]
     resources :users
+    resources :home_page_images, only: [:index, :new, :create, :destroy]
   end
 end