问题描述
我正在尝试将照片直接附加到seed.rb
中的实例上。但是我不认为这是问题所在,因为它在控制台中也不起作用。
运行rails db:seed
时收到以下错误消息:
Errno::ENOENT: No such file or directory @ rb_sysopen - ../app/assets/images/image.jpg
这是我的模特:
class Restaurant < ApplicationRecord
restaurant_types = ["chinese","italian","japanese","french","belgian"]
has_one_attached :photo
has_many :reviews,dependent: :destroy
validates :name,:address,:category,:phone_number,presence: true
validates :category,inclusion: { in: restaurant_types,message: "%{value} is not a valid size" }
end
这是我的种子文件:
require 'open-uri'
require "faker"
puts "deleting all restaurants and reviews"
Review.delete_all
Restaurant.delete_all
puts Restaurant.count
puts Review.count
puts "creating new restaurants"
20.times do
name = Faker::Restaurant.name
address = Faker::Address.community
phone = Faker::PhoneNumber.cell_phone
category = ["chinese","belgian"].sample
restaurant = Restaurant.create(name: name,address: address,phone_number: phone,category: category)
restaurant.photo.attach(io: File.open('../app/assets/images/image.jpg'),filename: 'image')
end
我还require "active_storage/engine"
文件中包含了config/application.rb
。
这是我的应用程序文件夹,也是我的seed.rb和image.jpg文件所在的位置。显然链接有问题吗?
有人知道我在做什么错吗? 谢谢!
解决方法
您需要通过Rails.root
在您的种子文件中对此进行更改,然后尝试
restaurant.photo.attach(io: File.open(Rails.root.join("app","assets","images","image.jpg")),filename: 'image.jpg')
您也可以将其存储在变量中
file_path = Rails.root.join("app","image.jpg")
restaurant.photo.attach(io: File.open(filepath),filename: 'image.jpg')
还要为文件存在添加条件
File.exist? file_path