質問編集履歴
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@@ -74,6 +74,83 @@
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74
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</div>
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75
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```
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77
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###Postコントローラー
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78
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```ruby
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79
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class PostsController < ApplicationController
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80
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before_action :authenticate_user!
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81
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+
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def index
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83
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@posts = Post.order("created_at DESC").limit(5)
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84
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end
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85
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+
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86
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def new
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@post = Post.new
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88
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end
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89
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+
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90
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def create
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@post = Post.create(post_params)
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92
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if @post.save
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redirect_to root_path
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else
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95
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render :new
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end
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end
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98
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99
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def show
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100
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@post = Post.find(params[:id])
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101
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@comment = Comment.new
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102
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@comments = @post.comments.includes(:user)
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103
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end
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104
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105
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def edit
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@post = Post.find(params[:id])
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end
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109
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def update
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110
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post = Post.find(params[:id])
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111
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post.update(post_params)
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112
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if post.save
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redirect_to root_path
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114
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end
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115
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end
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def destroy
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post = Post.find(params[:id])
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post.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 prefecture
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@post = Post.find_by(prefecture_id: params[:id])
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@posts = Post.where(prefecture_id: params[:id]).order('created_at DESC')
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end
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private
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def post_params
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params.require(:post).permit(:title, :text, :prefecture_id, images: []).merge(user_id: current_user.id)
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end
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```
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###Postモデル
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```ruby
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class Post < ApplicationRecord
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validates :title, presence: true
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validates :text, presence: true
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validates :prefecture_id, numericality: { other_than: 1 , message: "can't be blank"}
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validates :images, presence: true
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belongs_to :user
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has_many :comments
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has_many :likes, dependent: :destroy
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has_many :liking_users, through: :likes, source: :user
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has_many_attached :images
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extend ActiveHash::Associations::ActiveRecordExtensions
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belongs_to :prefecture
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end
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```
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153
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77
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### 試したこと
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78
155
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79
156
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https://qiita.com/tochisuke221/items/bff7d930ae282552ef77
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