integration of the new MVC for subproject_addresses

app/controllers/subproject_addresses_controller.rb

@@ -0,0 +1,49 @@
+class SubprojectAddressesController < ApplicationController
+  before_action :set_subproject_address, only: %i[show edit update destroy]
+
+  def index
+    @subproject_addresses = SubprojectAddress.all
+  end
+
+  def show
+  end
+
+  def new
+    @subproject_address = SubprojectAddress.new
+  end
+
+  def edit
+  end
+
+  def create
+    @subproject_address = SubprojectAddress.new(subproject_address_params)
+    if @subproject_address.save
+      redirect_to @subproject_address, notice: "Adresse was successfully created."
+    else
+      render :new, status: :unprocessable_entity
+    end
+  end
+
+  def update
+    if @subproject_address.update(subproject_address_params)
+      redirect_to @subproject_address, notice: "Adresse was successfully updated."
+    else
+      render :edit, status: :unprocessable_entity
+    end
+  end
+
+  def destroy
+    @subproject_address.destroy
+    redirect_to subproject_addresses_url, notice: "Adresse was successfully destroyed."
+  end
+
+  private
+
+  def set_subproject_address
+    @subproject_address = SubprojectAddress.find(params[:id])
+  end
+
+  def subproject_address_params
+    params.require(:subproject_address).permit(:subproject_id, :streetname, :zipcode, :city, :country)
+  end
+end