search is now saved asynchron and without a form which caused some redirection through searches_controller

added asynchronous save of search, removed searches_controller,

app/controllers/exercises_controller.rb

@@ -6,7 +6,7 @@ class ExercisesController < ApplicationController
 
   before_action :handle_file_uploads, only: [:create, :update]
   before_action :set_execution_environments, only: [:create, :edit, :new, :update]
-  before_action :set_exercise, only: MEMBER_ACTIONS + [:clone, :implement, :working_times, :intervention, :run, :statistics, :submit, :reload]
+  before_action :set_exercise, only: MEMBER_ACTIONS + [:clone, :implement, :working_times, :intervention, :search, :run, :statistics, :submit, :reload]
   before_action :set_external_user, only: [:statistics]
   before_action :set_file_types, only: [:create, :edit, :new, :update]
   before_action :set_course_token, only: [:implement]
@@ -223,7 +223,17 @@ class ExercisesController < ApplicationController
     else
       render(json: {success: 'false', error: "undefined intervention #{params[:intervention_type]}"})
     end
+  end
 
+  def search
+    search_text = params[:search_text]
+    search = Search.new(user: current_user, exercise: @exercise, search: search_text)
+
+    begin search.save
+      render(json: {success: 'true'})
+    rescue
+      render(json: {success: 'false', error: "could not save search: #{$!}"})
+    end
   end
 
   def index

app/controllers/searches_controller.rb

@@ -1,34 +0,0 @@
-class SearchesController < ApplicationController
-  include CommonBehavior
-
-  def authorize!
-    authorize(@search || @searchs)
-  end
-  private :authorize!
-
-
-  def create
-    @search = Search.new(search_params)
-    @search.user = current_user
-    authorize!
-
-    respond_to do |format|
-      if @search.save
-        path = implement_exercise_path(@search.exercise)
-        respond_with_valid_object(format, path: path, status: :created)
-      end
-    end
-  end
-
-  def search_params
-    params[:search].permit(:search, :exercise_id)
-  end
-  private :search_params
-
-  def index
-    @search = policy_scope(ProxyExercise).search(params[:q])
-    @searches = @search.result.order(:title).paginate(page: params[:page])
-    authorize!
-  end
-
-end