Tutorials CRUD (#590)

* Add new tutorials path to navs and remove old 'help' page

* Change helper text re client artwork

* Add new_attributes for various specs that were being skipped

* Update scaffold templates for index and controller

* Tutorials CRUD

* Fix spec showing before and after login

* Don't skip before_action on dashboard for :help anymore

* Correctly redirect to index

Author: maebeale

app/controllers/dashboard_controller.rb

@@ -1,5 +1,4 @@
 class DashboardController < ApplicationController
-  skip_before_action :authenticate_user!, only: :help
   include AdminDashboardCardsHelper
 
   def index

app/controllers/tutorials_controller.rb

@@ -0,0 +1,73 @@
+class TutorialsController < ApplicationController
+  before_action :set_tutorial, only: [:show, :edit, :update, :destroy]
+
+  def index
+    per_page = params[:number_of_items_per_page].presence || 25
+    unfiltered = current_user.super_user? ? Tutorial.all : Tutorial.published
+    filtered = unfiltered.search_by_params(params)
+    @count_display = filtered.count == unfiltered.count ? unfiltered.count : "#{filtered.count}/#{unfiltered.count}"
+    @tutorials = filtered.order(:position).paginate(page: params[:page], per_page: per_page).decorate
+  end
+
+  def show
+    @tutorial = @tutorial.decorate
+  end
+
+  def new
+    @tutorial = Tutorial.new.decorate
+    set_form_variables
+  end
+
+  def edit
+    @tutorial = @tutorial.decorate
+    set_form_variables
+  end
+
+  def create
+    @tutorial = Tutorial.new(tutorial_params)
+
+    if @tutorial.save
+      redirect_to tutorials_path, notice: "Tutorial was successfully created."
+    else
+      @tutorial = @tutorial.decorate
+      set_form_variables
+      render :new, status: :unprocessable_content
+    end
+  end
+
+  def update
+    if @tutorial.update(tutorial_params)
+      redirect_to tutorials_path, notice: "Tutorial was successfully updated.", status: :see_other
+    else
+      @tutorial = @tutorial.decorate
+      set_form_variables
+      render :edit, status: :unprocessable_content
+    end
+  end
+
+  def destroy
+    @tutorial.destroy!
+    redirect_to tutorials_path, notice: "Tutorial was successfully destroyed."
+  end
+
+  # Optional hooks for setting variables for forms or index
+  def set_form_variables
+    @tutorial.build_main_image if @tutorial.main_image.blank?
+    @tutorial.gallery_images.build
+  end
+
+  private
+
+  def set_tutorial
+    @tutorial = Tutorial.find(params[:id])
+  end
+
+  # Strong parameters
+  def tutorial_params
+    params.require(:tutorial).permit(
+      :title, :body, :rhino_body, :featured, :published, :position, :youtube_url,
+      main_image_attributes: [:id, :file, :_destroy],
+      gallery_images_attributes: [:id, :file, :_destroy],
+    )
+  end
+end

app/decorators/tutorial_decorator.rb

@@ -0,0 +1,8 @@
+class TutorialDecorator < Draper::Decorator
+  delegate_all
+
+  def display_text
+    "<div class='reset-list-items'>#{body}</div>".html_safe
+  end
+
+end

app/helpers/youtube_helper.rb

@@ -0,0 +1,19 @@
+module YoutubeHelper
+	def youtube_embed_url(url)
+		return if url.blank?
+
+		uri = URI.parse(url) rescue nil
+		return unless uri
+
+		if uri.host&.include?("youtu.be")
+			video_id = uri.path.delete_prefix("/")
+		elsif uri.query
+			params = Rack::Utils.parse_query(uri.query)
+			video_id = params["v"]
+		end
+
+		return unless video_id
+
+		"https://www.youtube.com/embed/#{video_id}"
+	end
+end

app/models/tutorial.rb

@@ -0,0 +1,45 @@
+class Tutorial < ApplicationRecord
+	include TagFilterable
+
+	has_rich_text :rhino_body
+
+	has_many :bookmarks, as: :bookmarkable, dependent: :destroy
+	# Image associations
+	has_one :main_image, -> { where(type: "Images::MainImage") },
+					as: :owner, class_name: "Images::MainImage", dependent: :destroy
+	has_many :gallery_images, -> { where(type: "Images::GalleryImage") },
+					 as: :owner, class_name: "Images::GalleryImage", dependent: :destroy
+
+	validates :title, presence: true, uniqueness: { case_sensitive: false }
+
+	# Nested attributes
+	accepts_nested_attributes_for :main_image, reject_if: :all_blank, allow_destroy: true
+	accepts_nested_attributes_for :gallery_images, reject_if: :all_blank, allow_destroy: true
+
+	# SearchCop
+	include SearchCop
+	search_scope :search do
+		attributes :title, :body
+	end
+
+	scope :body, -> (body) { where("body like ?", "%#{ body }%") }
+	scope :published, ->(published=nil) {
+		if ["true", "false"].include?(published)
+			where(published: published)
+		else
+			where(published: true)
+		end
+	}
+	scope :published_search, -> (published_search) { published_search.present? ? published(published_search) : all }
+	scope :title, -> (title) { where("title like ?", "%#{ title }%") }
+	scope :tutorial_name, -> (tutorial_name) { title(tutorial_name) }
+
+	def self.search_by_params(params)
+		resources = all
+		resources = resources.search(params[:search]) if params[:search].present?
+		resources = resources.title(params[:title]) if params[:title].present?
+		resources = resources.body(params[:body]) if params[:body].present?
+		resources = resources.published(params[:published]) if params[:published].present?
+		resources
+	end
+end