質問編集履歴
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users_controller.rbを記述しました。
test
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```
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users_controller.rb
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```Rails
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class UsersController < ApplicationController
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before_action :correct_user, only: [:edit, :update]
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def show
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@book_new = Book.new
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@user = User.find(params[:id])
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#bookだとエラーが出た
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@books = @user.books
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end
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def index
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@user = current_user
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@users = User.all
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@book_new = Book.new
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end
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def edit
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@user = User.find(params[:id])
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end
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def update
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@user = User.find(params[:id])
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if @user.update(user_params)
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flash[:notice] = "You have updated user successfully."
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redirect_to user_path(user.id)
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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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private
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def user_params
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params.require(:user).permit(:name, :introduction, :profile_image)
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end
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def correct_user
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@user = User.find(params[:id])
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if current_user != @user
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redirect_to user_path(@user)
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end
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end
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end
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```
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