If you need to store additional data with each image and perform queries based on that data, I’d recommend extracting an Image model that wraps an attached file: # app/models/project.rb class Project < ApplicationRecord has_many :images, dependent: :destroy end # app/models/image.rb class Image < ApplicationRecord belongs_to :project has_one_attached :file delegate_missing_to :file scope :positioned, -> { … Read more
This is far easier than anybody is making it out to be. I don’t mean to demean anybody, as it took me some time to figure this out based on these answers. I’m going to use the same data model to make it easy. User has one attached “avatar”. Let’s say you have this users … Read more
For my User which has_one_attached :avatar I can get the url in my views with <%= image_tag url_for(user.avatar) %>. So, in controller I would use just url_for(user.avatar) For Category which has_one_attached :image: url_for(category.image)
You need to create the new upgrade migrations via: rails active_storage:update
Convention for attachment association names Attachment associations are named using the following convention: <NAME OF ATTACHMENT>_attachment For example, if you have has_one_attached :avatar then the association name will be avatar_attachment. Querying for Active Storage attachments Now that you know how attachment associations are named, you can query them by using joins as you would any … Read more
Remove next line from config/application.rb require “active_storage/engine” Remove next line from environments config/environments/*.rb config.active_storage.service = :local Remove next line from app/assets/javascripts/application.js //= require activestorage ActiveStorage rails routes will vanish In case there is statement require ‘rails/all’ in application.rb then you can use solution provided below where you need to require dependency by dependency and to … Read more
Update your model: class Package < ApplicationRecord has_one_attached :poster_image end Attach the source package’s poster image blob to the destination package: source_package.dup.tap do |destination_package| destination_package.poster_image.attach(source_package.poster_image.blob) end
I solved using FactoryBot.define do factory :culture do name ‘Soy’ after(:build) do |culture| culture.image.attach(io: File.open(Rails.root.join(‘spec’, ‘factories’, ‘images’, ‘soy.jpeg’)), filename: ‘soy.jpeg’, content_type: ‘image/jpeg’) end end end After describe ‘#image’ do subject { create(:culture).image } it { is_expected.to be_an_instance_of(ActiveStorage::Attached::One) } end
Use: ActiveStorage::Blob.service.path_for(user.avatar.key) You can do something like this on your model: class User < ApplicationRecord has_one_attached :avatar def avatar_on_disk ActiveStorage::Blob.service.path_for(avatar.key) end end