質問編集履歴
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テラテイルにもあるようなfooterにお問い合わせフォームを作りたいのですがどうしたら良いでしょうか
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**ボールドテキスト**テラテイルにもあるようなfooterにお問い合わせフォームを作りたいのですがどうしたら良いでしょうか
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ideaというコントローラーで作って<%= render partial: 'ideas/form' %>で呼び出しましたが
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First argument in form cannot contain nil or be emptyとエラーになります。
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```lang-ruby
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class IdeasController < ApplicationController
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before_action :set_idea, only: [:show, :edit, :update, :destroy]
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# GET /ideas
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# GET /ideas.json
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def index
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@ideas = Idea.all
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@idea = Idea.new
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end
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# GET /ideas/1
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# GET /ideas/1.json
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def show
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end
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# GET /ideas/new
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def new
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@idea = Idea.new
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end
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# GET /ideas/1/edit
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def edit
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end
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# POST /ideas
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# POST /ideas.json
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def create
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@idea = Idea.new(idea_params)
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respond_to do |format|
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if @idea.save
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format.html { redirect_to @idea, notice: 'Idea was successfully created.' }
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format.json { render :show, status: :created, location: @idea }
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else
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format.html { render :new }
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format.json { render json: @idea.errors, status: :unprocessable_entity }
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end
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end
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end
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# PATCH/PUT /ideas/1
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# PATCH/PUT /ideas/1.json
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def update
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respond_to do |format|
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if @idea.update(idea_params)
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format.html { redirect_to @idea, notice: 'Idea was successfully updated.' }
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format.json { render :show, status: :ok, location: @idea }
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else
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format.html { render :edit }
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format.json { render json: @idea.errors, status: :unprocessable_entity }
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end
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end
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end
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# DELETE /ideas/1
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# DELETE /ideas/1.json
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def destroy
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@idea.destroy
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respond_to do |format|
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format.html { redirect_to ideas_url, notice: 'Idea was successfully destroyed.' }
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format.json { head :no_content }
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end
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end
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private
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# Use callbacks to share common setup or constraints between actions.
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def set_idea
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@idea = Idea.find(params[:id])
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end
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# Never trust parameters from the scary internet, only allow the white list through.
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def idea_params
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params.require(:idea).permit(:body)
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end
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end
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```
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