質問編集履歴
2
コードの書き直し
test
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test
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@@ -203,3 +203,261 @@
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</div>
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```
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```
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app > views > prototype > _prototype.html.erb
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<div class="card">
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<%= link_to image_tag(prototype.image, class: :card__img ), prototype_path(prototype.id), method: :get %>
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<div class="card__body">
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<%= link_to prototype.title, prototype_path(prototype.id), method: :get, class: :card__title%>
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<p class="card__summary">
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<%= prototype.catch_copy %>
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</p>
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<%= link_to "by #{prototype.user.name}", "/users/#{prototype.user.id}", class: :card__user %>
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</div>
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</div>
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二行目の
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<%= link_to image_tag(prototype.image, class: :card__img ), prototype_path(prototype.id), method: :get %>
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にてNameErrorが発生しました。
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index.htmlは
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<main class="main">
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<div class="inner">
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<%# ログインしているときは以下を表示する %>
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<% if user_signed_in? %>
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<div class="greeting">
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こんにちは、
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<%= link_to "#{current_user.name}さん", "/users/#{current_user.id}", class: :greeting__link %>
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</div>
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<% end %>
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<%# // ログインしているときは上記を表示する %>
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<div class="card__wrapper">
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<%# 投稿機能実装後、部分テンプレートでプロトタイプ投稿一覧を表示する %>
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<div class="prototypes">
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<%= render partial: 'prototypes/prototype', collection: @prototypes %>
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</div>
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</div>
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</div>
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</main>
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コントローラーは、
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class PrototypesController < ApplicationController
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before_action :authenticate_user!, except: [:index, :show]
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def index
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@prototypes = Prototype.all
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end
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def new
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@prototype = Prototype.new
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end
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def create
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@prototype = Prototype.new(prototype_params)
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if @prototype.save
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redirect_to root_path
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else
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render :new
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end
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end
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def show
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@prototype = Prototype.find(params[:id])
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@comment = Comment.new
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@comments = @prototype.comments.includes(:user)
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end
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def edit
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@prototype =Prototype.find(params[:id])
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end
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def update
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prototype = Prototype.find(params[:id])
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if prototype.update(prototype_params)
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redirect_to prototype_path
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else
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render :edit
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end
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end
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def destroy
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prototype = Prototype.find(params[:id])
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prototype.destroy
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redirect_to root_path
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end
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private
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def prototype_params
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params.require(:prototype).permit(:title, :catch_copy, :concept, :image).merge(user_id: current_user.id)
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end
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end
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routes.rbは
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Rails.application.routes.draw do
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devise_for :users
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root to: 'prototypes#index'
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resources :prototypes do
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resources :comments, only: :create
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end
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resources :users, only: :show
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end
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modelsは
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class Prototype < ApplicationRecord
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has_one_attached :image
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has_many :comments
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has_many :commnets, dependent: :destroy
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has_many :image, dependent: :destroy
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validates :title, presence: true
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validates :catch_copy, presence: true
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validates :concept, presence: true
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validates :image, presence: true
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belongs_to :user
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end
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```
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こちらが詳細のコードになります。
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宜しくお願いいたします。
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1
コードの書き直し
test
CHANGED
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File without changes
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test
CHANGED
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@@ -151,3 +151,55 @@
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151
151
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いまいち仕組みが掴めていません。
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ご教授宜しくお願いします
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@user.name〜に変更後
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また別のエラーが出てきました。
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NameError in Prototypes#index
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Showing /Users/taigasoma/projects/protospace-30528/app/views/prototypes/_prototype.html.erb where line #2 raised:
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uninitialized constant Prototype::Image
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```
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app > views > prototypes > _prototype.html.erb
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<div class="card">
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183
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#下記がマークされたエラー文です。
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184
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185
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<%= link_to image_tag(prototype.image, class: :card__img ) %>
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<div class="card__body">
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191
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<%= link_to prototype.title, prototype_path(prototype.id), method: :get, class: :card__title%>
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193
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<p class="card__summary">
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195
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<%= prototype.catch_copy %>
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196
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197
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</p>
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<%= link_to "by #{prototype.user.name}", "/users/#{prototype.user.id}", class: :card__user %>
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200
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201
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</div>
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|
202
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|
203
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</div>
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|
204
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|
|
205
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```
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