createアクションにデータ保存のための記述をし、DB(prototypesテーブル)に保存したい
https://gyazo.com/30afbc80538f8ff43b513b25172b5be1
上記のURLにあるように新規投稿したものがDBに反映されずNoMethodError in PrototypesController#createと表示されました。
prototypesController
class PrototypesController < ApplicationController
#CSRF保護を無効にする
protect_from_forgery with: :null_session
def index
@prototype = Prototype.includes(:user)
end
def new
@prototype = Prototype.new
end
def create
@prototype = Prototype.new(prototype_params)
if @prototype.save
redirect_to root_path
else
render :new
end
end
def show
@prototype = Prototype.find(params[:id])
end
def edit
@prototype = Prototype.find(params[:id])
end
def update
prototype = prototype.find(params[:id])
prototype.update(prototype_params)
if prototype.save
redirect_to root_path(@prototype)
else
prototype = Prototype.includes(:user)
render :edit
end
end
def destroy
prototype = Prototype.find(params[:id])
prototype.destroy
redirect_to root_path
end
private
def prototype_params
params[:prototype].permit(:title, :catch_copy, :concept, :image).merge(user_id: params[:user_id])
end
end
ターミナル
NoMethodError (undefined method `permit' for nil:NilClass):
app/controllers/prototypes_controller.rb:49:in prototype_params'create'
app/controllers/prototypes_controller.rb:14:in
Started POST "/prototypes" for ::1 at 2020-11-22 22:19:56 +0900
(1.0ms) SET NAMES utf8, @@SESSION.sql_mode = CONCAT(CONCAT(@@sql_mode, ',STRICT_ALL_TABLES'), ',NO_AUTO_VALUE_ON_ZERO'), @@SESSION.sql_auto_is_null = 0, @@SESSION.wait_timeout = 2147483
Processing by PrototypesController#create as HTML
Parameters: {"authenticity_token"=>"qYg/uzpwEYPt9XxTgVzG3JgzHW2ILefCd2ET+i/pDnYtDGS3gINKdRNje8wWISFDYk60i9RgrwOU+gC6hRzUhQ==", "title"=>"胡蝶しのぶ", "catch_copy"=>"鬼を殺せる毒を作ったすごい人", "concept"=>"蟲柱", "image"=>#, @original_filename="胡蝶しのぶ.jpeg", @content_type="image/jpeg", @headers="Content-Disposition: form-data; name=\"image\"; filename=\"\xE8\x83\xA1\xE8\x9D\xB6\xE3\x81\x97\xE3\x81\xAE\xE3\x81\xB5\xE3\x82\x99.jpeg\"\r\nContent-Type: image/jpeg\r\n">, "commit"=>"保存する"}
Completed 500 Internal Server Error in 8ms (ActiveRecord: 0.0ms | Allocations: 1392)
NoMethodError (undefined method `permit' for nil:NilClass):
app/controllers/prototypes_controller.rb:49:in prototype_params'create'
app/controllers/prototypes_controller.rb:14:in
