質問編集履歴
3
comment.rb、comments_controller.rb 追加
test
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test
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@@ -14,6 +14,8 @@
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```Ruby
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(post_controller.rb)
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def show
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@post = Post.find_by(id: params[:id])
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@@ -126,6 +128,8 @@
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```Ruby
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(schema.rb)
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class CreateComments < ActiveRecord::Migration[5.2]
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def change
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@@ -146,6 +150,78 @@
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end
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-
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-
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-
```
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```
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```Ruby
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(comment.rb)
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class Comment < ApplicationRecord
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belongs_to :posts
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validates :content, presence: true
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end
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```
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```Ruby
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(comments_controller.rb)
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class CommentsController < ApplicationController
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private
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def content_params
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params.require(:comment).permit(:content)
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end
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def create
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post = Post.find(params[:post_id])
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@comment = post.comments.build(comment_params)
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if @comment.save
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flash[:success] = "コメントしました"
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redirect_back(fallback_location: image_url(post.id))
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else
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flash[:danger] = "コメントできません"
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redirect_back(fallback_location: image_url(post.id))
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end
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end
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def destroy
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post = Post.find(params[:post_id])
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@comment = post.comments.find(params[:id])
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@comment.destroy
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redirect_back(fallback_location: image_path(post)
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end
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end
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```
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2
schema.rb commentテーブル変更
test
CHANGED
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File without changes
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test
CHANGED
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@@ -48,7 +48,7 @@
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48
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49
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```Ruby
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(schema.rb)
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(schema.rb) (変更後)
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ActiveRecord::Schema.define(version: 2020_01_01_011953) do
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@@ -58,13 +58,13 @@
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t.string "content"
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t.integer "post
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t.integer "post_id"
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t.datetime "created_at", null: false
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t.datetime "updated_at", null: false
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t.index ["post
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t.index ["post_id"], name: "index_comments_on_post_id"
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end
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1
schema.rbとmigrationファイルを追加
test
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File without changes
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test
CHANGED
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@@ -39,3 +39,113 @@
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39
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どなたか直し方を教えていただけないでしょうか。
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よろしくお願いします。
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以下、追記。
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```Ruby
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(schema.rb)
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ActiveRecord::Schema.define(version: 2020_01_01_011953) do
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create_table "comments", force: :cascade do |t|
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t.string "content"
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t.integer "posts_id"
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t.datetime "created_at", null: false
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t.datetime "updated_at", null: false
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t.index ["posts_id"], name: "index_comments_on_posts_id"
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end
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create_table "likes", force: :cascade do |t|
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t.integer "user_id"
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t.integer "post_id"
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t.datetime "created_at", null: false
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t.datetime "updated_at", null: false
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end
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84
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create_table "posts", force: :cascade do |t|
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t.text "content"
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t.datetime "created_at", null: false
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t.datetime "updated_at", null: false
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t.integer "user_id"
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t.string "post_image_name"
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end
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create_table "users", force: :cascade do |t|
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t.string "name"
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t.string "email"
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t.datetime "created_at", null: false
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t.datetime "updated_at", null: false
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t.string "image_name"
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t.string "password_digest"
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end
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end
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```
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124
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125
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126
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127
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```Ruby
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128
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129
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+
class CreateComments < ActiveRecord::Migration[5.2]
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130
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+
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131
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def change
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132
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133
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create_table :comments do |t|
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134
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135
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t.string :content
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136
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137
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t.references :posts, foreign_key: true
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138
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139
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+
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140
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141
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t.timestamps
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142
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143
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end
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144
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145
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end
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146
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147
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end
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148
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149
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150
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151
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```
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