Move merchants to top-level namespace (#895)

app/controllers/merchants_controller.rb

@@ -0,0 +1,41 @@
+class MerchantsController < ApplicationController
+  layout "with_sidebar"
+
+  before_action :set_merchant, only: %i[ edit update destroy ]
+
+  def index
+    @merchants = Current.family.merchants.alphabetically
+  end
+
+  def new
+    @merchant = Merchant.new
+  end
+
+  def create
+    Current.family.merchants.create!(merchant_params)
+    redirect_to merchants_path, notice: t(".success")
+  end
+
+  def edit
+  end
+
+  def update
+    @merchant.update!(merchant_params)
+    redirect_to merchants_path, notice: t(".success")
+  end
+
+  def destroy
+    @merchant.destroy!
+    redirect_to merchants_path, notice: t(".success")
+  end
+
+  private
+
+  def set_merchant
+    @merchant = Current.family.merchants.find(params[:id])
+  end
+
+  def merchant_params
+    params.require(:merchant).permit(:name, :color)
+  end
+end