編集履歴

質問編集履歴

posts_controllerのif @post.saveを変更。

2020/11/25 05:35

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@@ -613,3 +613,9 @@
 ![イメージ説明](5526c78a9c0d20df2a4b02cf3dbae3d9.png)
+posts_controllerのif @post.saveを変更。
+![イメージ説明](5e5fa3cb988ae92d3363231e2d398cf7.png)

追記

2020/11/25 05:35

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@@ -591,3 +591,25 @@
 end
 ```
+> 追記
+index.html.erbの中の
+ <img src="<%= "/post_images/#{post.post.post_image}" %>">を
+ <img src="<%= "/post_images/#{post.post_image}" %>">
+に変更し、エラーは消えましたが画像がうまく表示できませんでした。
+![イメージ説明](953930373e09fca80d345de9ce119a8c.png)
+![イメージ説明](5526c78a9c0d20df2a4b02cf3dbae3d9.png)

追加

2020/11/25 04:45

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@@ -505,3 +505,89 @@
 ```
+### schema.rb
+```rails
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended that you check this file into your version control system.
+ActiveRecord::Schema.define(version: 2020_10_30_055415) do
+  create_table "likes", force: :cascade do |t|
+    t.integer "user_id"
+    t.integer "post_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+  create_table "posts", force: :cascade do |t|
+    t.text "content"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.integer "user_id"
+    t.string "post_image"
+  end
+  create_table "users", force: :cascade do |t|
+    t.string "name"
+    t.string "email"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.string "image_name"
+    t.string "password"
+  end
+end
+```

ファイル名の追加

2020/11/25 04:17

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@@ -6,12 +6,14 @@
 どこがおかしいのでしょうか？
+>
 ![イメージ説明](9e69bb2268e0fb69bb67b32a5ba8c90a.png)
+### index.html.erb
 ```rails
 <div class="main posts-index">
@@ -76,6 +78,10 @@
+### posts_controller.rb
 ```rails
 class PostsController < ApplicationController
@@ -222,7 +228,7 @@
+### users_controller.rb
 ```rails
@@ -412,7 +418,7 @@
 ```
+### application_record.rb
 ```rails
@@ -426,7 +432,7 @@
 ```
+### like.rb
 ```rails
@@ -442,7 +448,7 @@
 ```
+### post.rb
 ```rails
@@ -470,6 +476,8 @@
 ```
+### user.rb
 ```rails
 class User < ApplicationRecord

modelの追加

2020/11/24 03:25

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@@ -411,3 +411,89 @@
     end
 ```
+```rails
+class ApplicationRecord < ActiveRecord::Base
+  self.abstract_class = true
+end
+```
+```rails
+class Like < ApplicationRecord
+    validates :user_id, {presence: true}
+    validates :post_id, {presence: true}
+  end
+```
+```rails
+class Post < ApplicationRecord
+  validates :content, {presence: true, length: {maximum: 140}}
+  validates :user_id, {presence: true}
+  # インスタンスメソッドuserを定義してください
+  def user
+    return User.find_by(id: self.user_id)
+  end
+end
+```
+```rails
+class User < ApplicationRecord
+  validates :name, {presence: true}
+  validates :email, {presence: true, uniqueness: true}
+  validates :password, {presence: true}
+  # インスタンスメソッドpostsを定義してください
+  def posts
+    return Post.where(user_id: self.id)
+  end
+end
+```