Generated scaffolding for model via Rails

app/controllers/answers_controller.rb

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+class AnswersController < ApplicationController
+  before_action :set_answer, only: [:show, :edit, :update, :destroy]
+
+  # GET /answers
+  # GET /answers.json
+  def index
+    @answers = Answer.all
+  end
+
+  # GET /answers/1
+  # GET /answers/1.json
+  def show
+  end
+
+  # GET /answers/new
+  def new
+    @answer = Answer.new
+  end
+
+  # GET /answers/1/edit
+  def edit
+  end
+
+  # POST /answers
+  # POST /answers.json
+  def create
+    @answer = Answer.new(answer_params)
+
+    respond_to do |format|
+      if @answer.save
+        format.html { redirect_to @answer, notice: 'Answer was successfully created.' }
+        format.json { render action: 'show', status: :created, location: @answer }
+      else
+        format.html { render action: 'new' }
+        format.json { render json: @answer.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /answers/1
+  # PATCH/PUT /answers/1.json
+  def update
+    respond_to do |format|
+      if @answer.update(answer_params)
+        format.html { redirect_to @answer, notice: 'Answer was successfully updated.' }
+        format.json { head :no_content }
+      else
+        format.html { render action: 'edit' }
+        format.json { render json: @answer.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /answers/1
+  # DELETE /answers/1.json
+  def destroy
+    @answer.destroy
+    respond_to do |format|
+      format.html { redirect_to answers_url }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_answer
+      @answer = Answer.find(params[:id])
+    end
+
+    # Never trust parameters from the scary internet, only allow the white list through.
+    def answer_params
+      params.require(:answer).permit(:response, :question_id)
+    end
+end