Extract legacy parts of the codebase into its own module

app/controllers/categories_controller.rb

@@ -1,104 +1,9 @@
-class CategoriesController < ApplicationController
-  before_action :set_school, only: [:show]
-  before_action :set_category, only: [:show, :edit, :update, :destroy]
+class CategoriesController < SqmApplicationController
 
-  # GET /categories
-  # GET /categories.json
-  def index
-    @categories = Category.all
-  end
-
-  # GET /categories/1
-  # GET /categories/1.json
   def show
-    district = @school.district
-    authenticate(district.name.downcase, "#{district.name.downcase}!")
+    @categories = Category.sorted.map { |category| CategoryPresenter.new(category: category) }
 
-    school_categories = SchoolCategory.for(@school, @category)
-    @years = school_categories.map(&:year).map(&:to_i).sort
-    @year = (params[:year] || @years.last || "2019").to_i
-
-    if school_categories.empty?
-      school_categories = [SchoolCategory.new(school: @school, category: @category, year: @year)]
-    end
-
-    @school_category = school_categories.select { |sc| sc.year.to_s == @year.to_s }.first
-    @child_school_categories = SchoolCategory.for_parent_category(@school, @category).in(@year).valid.to_a
-    missing_categories = Category.for_parent(@category) - @child_school_categories.map(&:category)
-    missing_categories.each do |category|
-      next if category.benchmark.present?
-      @child_school_categories << category.school_categories.new(school: @school)
-    end
-
-    if district.name == "Boston"
-      @child_school_categories = @child_school_categories.reject { |csc| csc.admin? }
-    end
-
-    @questions = @category.questions.created_in(@year)
+    @category = CategoryPresenter.new(category: Category.find_by_slug(params[:id]))
   end
 
-  # GET /categories/new
-  def new
-    @category = Category.new
-  end
-
-  # GET /categories/1/edit
-  def edit
-  end
-
-  # POST /categories
-  # POST /categories.json
-  def create
-    @category = Category.new(category_params)
-
-    respond_to do |format|
-      if @category.save
-        format.html { redirect_to @category, notice: 'Category was successfully created.' }
-        format.json { render :show, status: :created, location: @category }
-      else
-        format.html { render :new }
-        format.json { render json: @category.errors, status: :unprocessable_entity }
-      end
-    end
-  end
-
-  # PATCH/PUT /categories/1
-  # PATCH/PUT /categories/1.json
-  def update
-    respond_to do |format|
-      if @category.update(category_params)
-        format.html { redirect_to @category, notice: 'Category was successfully updated.' }
-        format.json { render :show, status: :ok, location: @category }
-      else
-        format.html { render :edit }
-        format.json { render json: @category.errors, status: :unprocessable_entity }
-      end
-    end
-  end
-
-  # DELETE /categories/1
-  # DELETE /categories/1.json
-  def destroy
-    @category.destroy
-    respond_to do |format|
-      format.html { redirect_to categories_url, notice: 'Category was successfully destroyed.' }
-      format.json { head :no_content }
-    end
-  end
-
-  private
-    def set_school
-      redirect_to root_path and return false unless params.include?(:school_id)
-      @school = School.friendly.find(params[:school_id])
-      redirect_to root_path and return false if @school.nil?
-    end
-
-    def set_category
-      @category = Category.friendly.find(params[:id])
-    end
-
-    # Never trust parameters from the scary internet, only allow the white list through.
-    def category_params
-      params.require(:category).permit(:name, :blurb, :description, :external_id, :parent_category_id)
-    end
 end