add item set with scaffold

app/controllers/settings/item_sets_controller.rb

@@ -0,0 +1,74 @@
+class Settings::ItemSetsController < ApplicationController
+  before_action :set_settings_item_set, only: [:show, :edit, :update, :destroy]
+
+  # GET /settings/item_sets
+  # GET /settings/item_sets.json
+  def index
+    @settings_item_sets = ItemSet.all
+  end
+
+  # GET /settings/item_sets/1
+  # GET /settings/item_sets/1.json
+  def show
+  end
+
+  # GET /settings/item_sets/new
+  def new
+    @settings_item_set = ItemSet.new
+  end
+
+  # GET /settings/item_sets/1/edit
+  def edit
+  end
+
+  # POST /settings/item_sets
+  # POST /settings/item_sets.json
+  def create
+    @settings_item_set = ItemSet.new(settings_item_set_params)
+
+    respond_to do |format|
+      if @settings_item_set.save
+        format.html { redirect_to @settings_item_set, notice: 'Item set was successfully created.' }
+        format.json { render :show, status: :created, location: @settings_item_set }
+      else
+        format.html { render :new }
+        format.json { render json: @settings_item_set.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /settings/item_sets/1
+  # PATCH/PUT /settings/item_sets/1.json
+  def update
+    respond_to do |format|
+      if @settings_item_set.update(settings_item_set_params)
+        format.html { redirect_to @settings_item_set, notice: 'Item set was successfully updated.' }
+        format.json { render :show, status: :ok, location: @settings_item_set }
+      else
+        format.html { render :edit }
+        format.json { render json: @settings_item_set.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /settings/item_sets/1
+  # DELETE /settings/item_sets/1.json
+  def destroy
+    @settings_item_set.destroy
+    respond_to do |format|
+      format.html { redirect_to settings_item_sets_url, notice: 'Item set was successfully destroyed.' }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_settings_item_set
+      @settings_item_set = ItemSet.find(params[:id])
+    end
+
+    # Never trust parameters from the scary internet, only allow the white list through.
+    def settings_item_set_params
+      params.require(:settings_item_set).permit(:name, :min_selectable_qty, :max_selectable_qty)
+    end
+end