質問編集履歴
1
質問のアングルを変えた。
test
CHANGED
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@@ -1 +1 @@
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u
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Ruby - コメントがDBに保存されない
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test
CHANGED
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@@ -2,33 +2,245 @@
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rails でブログを投稿できるwebアプリケーションを作っていてコメント機能を実装しています。
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コメントを投稿し
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コメントを投稿したいのですが、保存されず投稿ボタンを押してもそのままになっています。
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```
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# 試してみたこと
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まず commentのコントローラにて binding.pry を使って paramsに値が入っているか確認しました。
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```
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2: def create
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=> 3: binding.pry
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4: @post = Post.find(params[:post_id])
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5: @comment = Comment.new(comment_params)
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6: if @comment.save
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7: redirect_to post_path(@comment.post)
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8: else
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9: @comments = @post.comments
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10: render "posts/show"
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11: end
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12: end
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[1] pry(#<CommentsController>)> params
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=> <ActionController::Parameters {"authenticity_token"=>"CGJ6VwkXu2JAnQgGwOFKrnfWCdjIJlj4gsqqq6tVHP91rU4t5HA0zq5WZspb7d0czDYuO1qhPR6/K+MBrpEtcw==", "comment"=>{"text"=>"good"}, "commit"=>"Send", "controller"=>"comments", "action"=>"create", "post_id"=>"4"} permitted: false>
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[2] pry(#<CommentsController>)> params[:text]
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=> nil
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[3] pry(#<CommentsController>)> params[:comment][:text]
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=> "good"
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```
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みるとgoodと入力した値はしっかり入っています。
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ですがなぜpermitted:falseになっているのでしょう。
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# 該当のソースコード
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コメントのコントローラです。
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`app/controllers/comments_controller.rb`
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```
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class CommentsController < ApplicationController
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def create
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@post = Post.find(params[:post_id])
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@comment = Comment.new(comment_params)
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if @comment.save
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redirect_to post_path(@comment.post)
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else
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@comments = @post.comments
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render "posts/show"
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end
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end
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private
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def comment_params
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params.require(:comment).permit(:text).merge(user_id: current_user.id, post_id: params[:post_id])
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end
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end
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```
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postのコントローラです。
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`app/controllers/posts_controller.rb`
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```
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class PostsController < ApplicationController
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before_action :authenticate_user!, except: :index
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before_action :set_post, only: [:show, :edit, :update, :destroy]
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def index
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@posts = Post.all
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@tags = Post.tag_counts_on(:tags).most_used(20)
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if @tag = params[:tag]
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@post = Post.tagged_with(params[:tag])
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end
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end
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def new
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@post = Post.new
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end
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def create
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@post = Post.new(post_params)
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if @post.valid?
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@post.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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@tags = @post.tag_counts_on(:tags)
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@comment = Comment.new
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@comments = @post.comments.includes(:user)
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end
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def edit
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unless @post.user.id == current_user.id
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redirect_to root_path
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end
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end
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def update
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if @post.update(post_params)
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redirect_to root_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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if @post.destroy
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redirect_to root_path
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end
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end
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def set_post
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@post = Post.find(params[:id])
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end
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def post_params
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params.require(:post).permit(:concept, :title, :image, :tag_list).merge(user_id: current_user.id)
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end
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end
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```
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一応ビューファイルも載せておきます。
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244
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245
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`app/views/posts/show.html.erb`
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@@ -78,7 +290,7 @@
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<%= form_with model: [@post, @comment], local: true do |f|%>
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81
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<div class="
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<div class="comment-box">
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<%= f.label :text, "Comment" %><br />
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@@ -120,182 +332,6 @@
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332
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333
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```
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334
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123
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コメントのコントローラです。
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124
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125
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`app/controllers/comments_controller.rb`
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126
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```
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128
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129
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class CommentsController < ApplicationController
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def create
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@post = Post.find(params[:post_id])
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@comment = Comment.new(comment_params)
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@comments = @post.comments
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if @comment.save
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redirect_to post_path(@comment.post)
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else
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@post = @comment.post_id
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render "posts/show"
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end
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end
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private
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156
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157
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def comment_params
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158
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159
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params.require(:comment).permit(:text).merge(user_id: current_user.id, post_id: params[:post_id])
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end
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end
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164
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165
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```
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166
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167
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postのコントローラです。コメントにおいてはshowアクションが該当すると思います。
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168
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169
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`app/controllers/posts_controller.rb`
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```
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173
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class PostsController < ApplicationController
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174
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before_action :authenticate_user!, except: :index
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176
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before_action :set_post, only: [:show, :edit, :update, :destroy]
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def index
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@posts = Post.all
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@tags = Post.tag_counts_on(:tags).most_used(20)
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if @tag = params[:tag]
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@post = Post.tagged_with(params[:tag])
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end
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end
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def new
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@post = Post.new
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end
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def create
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@post = Post.new(post_params)
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if @post.valid?
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@post.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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@tags = @post.tag_counts_on(:tags)
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@comment = Comment.new
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@comments = @post.comments.includes(:user)
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end
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def edit
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unless @post.user.id == current_user.id
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240
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241
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redirect_to root_path
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242
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end
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244
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245
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end
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246
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-
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247
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248
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249
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def update
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250
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-
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251
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-
if @post.update(post_params)
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252
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-
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253
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redirect_to root_path
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254
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-
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255
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else
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256
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-
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257
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render :edit
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258
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-
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259
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end
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260
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-
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261
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end
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262
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-
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263
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-
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264
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-
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265
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def destroy
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266
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-
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267
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if @post.destroy
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268
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-
|
|
269
|
-
redirect_to root_path
|
|
270
|
-
|
|
271
|
-
end
|
|
272
|
-
|
|
273
|
-
end
|
|
274
|
-
|
|
275
|
-
|
|
276
|
-
|
|
277
|
-
private
|
|
278
|
-
|
|
279
|
-
|
|
280
|
-
|
|
281
|
-
def set_post
|
|
282
|
-
|
|
283
|
-
@post = Post.find(params[:id])
|
|
284
|
-
|
|
285
|
-
end
|
|
286
|
-
|
|
287
|
-
|
|
288
|
-
|
|
289
|
-
def post_params
|
|
290
|
-
|
|
291
|
-
params.require(:post).permit(:concept, :title, :image, :tag_list).merge(user_id: current_user.id)
|
|
292
|
-
|
|
293
|
-
end
|
|
294
|
-
|
|
295
|
-
end
|
|
296
|
-
|
|
297
|
-
```
|
|
298
|
-
|
|
299
335
|
|
|
300
336
|
|
|
301
337
|
|