Basic feature implemented, very basic poc

app/controllers/success_criteria_controller.rb

@@ -0,0 +1,58 @@
+class SuccessCriteriaController < ApplicationController
+  before_action :set_success_criterion, only: %i[ show edit update destroy ]
+
+  # GET /success_criteria
+  def index
+    @success_criteria = SuccessCriterion.all
+  end
+
+  # GET /success_criteria/1
+  def show
+  end
+
+  # GET /success_criteria/new
+  def new
+    @success_criterion = SuccessCriterion.new
+  end
+
+  # GET /success_criteria/1/edit
+  def edit
+  end
+
+  # POST /success_criteria
+  def create
+    @success_criterion = SuccessCriterion.new(success_criterion_params)
+
+    if @success_criterion.save
+      redirect_to @success_criterion, notice: "Success criterion was successfully created."
+    else
+      render :new, status: :unprocessable_entity
+    end
+  end
+
+  # PATCH/PUT /success_criteria/1
+  def update
+    if @success_criterion.update(success_criterion_params)
+      redirect_to @success_criterion, notice: "Success criterion was successfully updated.", status: :see_other
+    else
+      render :edit, status: :unprocessable_entity
+    end
+  end
+
+  # DELETE /success_criteria/1
+  def destroy
+    @success_criterion.destroy!
+    redirect_to success_criteria_url, notice: "Success criterion was successfully destroyed.", status: :see_other
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_success_criterion
+      @success_criterion = SuccessCriterion.find(params[:id])
+    end
+
+    # Only allow a list of trusted parameters through.
+    def success_criterion_params
+      params.require(:success_criterion).permit(:element_id, :title, :description, :level, :result, :comment)
+    end
+end