Delete stuff in report view

app/controllers/elements_controller.rb

@@ -57,8 +57,16 @@ class ElementsController < ApplicationController
 
   # DELETE /elements/1
   def destroy
-    @element.destroy!
-    redirect_to page_elements_url(@element.page), notice: "Element was successfully destroyed.", status: :see_other
+    Element.connection.transaction do
+      @element.destroy!
+      @element.page.elements.where("position > ?", @element.position).update_all("position = position - 1")
+    end
+    respond_to do |format|
+      format.turbo_stream
+      format.html do
+        redirect_to page_elements_url(@element.page), notice: "Element was successfully destroyed.", status: :see_other
+      end
+    end
   end
 
   private

app/controllers/pages_controller.rb

@@ -44,7 +44,7 @@ class PagesController < ApplicationController
   # DELETE /pages/1
   def destroy
     @page.destroy!
-    redirect_to report_pages_url(@page.report), notice: "Page was successfully destroyed.", status: :see_other
+    redirect_to report_url(@page.report), notice: "Page was successfully destroyed.", status: :see_other
   end
 
   private

app/controllers/success_criteria_controller.rb

@@ -62,7 +62,10 @@ class SuccessCriteriaController < ApplicationController
 
   # DELETE /success_criteria/1
   def destroy
-    @success_criterion.destroy!
+    SuccessCriterion.transaction do
+      @success_criterion.destroy!
+      @success_criterion.element.success_criteria.where("position > ?", @success_criterion.position).update_all("position = position - 1")
+    end
     respond_to do |format|
       format.html do
         redirect_to element_success_criteria_url(@success_criterion.element), notice: "Erfolgskriterium was successfully destroyed.", status: :see_other