Upload an image to ActiveAdmin | Couldn't upload file:

[antnbaranov]

Error: Couldn't upload file: IMG_0329.JPG

Greeting. First of all, thanks for the gem! I'm trying to install it on activeadmin. Everything is fine, but an error occurs when loading the image. What should I try to check, recommendations for finding an error?

Everything is done according to the documentation

1. gem 'new_ckeditor'
2. bundle i
3. rails g new_ckeditor
4. add js in application.js (require 'new_ckeditor/classic/ckeditor')
5. form: = f.ckeditor :body

It works fine, we add image loading

1. Let's start with new controller rails g controller file_uploads upload

   class FileUploadsController < ApplicationController
   # note
   # that method must return json with URL to an uploaded image
   # or error message
   def upload
   image = CkEditorImage.new(file: params["upload"])
   if image.save
     render json: {
       url: image.file.url
     }
   else
     render json: {
       "error": {
         "message": image.errors.full_messages.join(", ")
       }
     }
   end
   end
   end

   Create a new model where images will be stored:rails g model CkEditorImage file:string user_id:integer parent_id:integer parent_type:string

class CkEditorImage < ApplicationRecord
  mount_uploader :file, CkEditorImageUploader
  belongs_to :user, optional: true
  validates_presence_of :file
end

Code of migration may look like:

class CreateCkEditorImages < ActiveRecord::Migration[6.0]
  def change
    create_table :ck_editor_images do |t|
      t.string :file
      t.integer :user_id, index: true
      t.integer :parent_id
      t.string :parent_type

      t.datetime :created_at
      t.datetime :updated_at
    end
    add_index :ck_editor_images, :user_id
    add_index :ck_editor_images, [:parent_id, :parent_type]
  end
end

Run this migration.

Create Carrierwave uploader rails g uploader CkEditorImage. Open and edit it if needed.

[igorkasyanchuk]

@HarshBarash I suggest debugging code on your side, I won't be able to do any investigation here. Also from your description is not clear where the error happens? On backend? Frontent? Show some logs.

[antnbaranov]

@igorkasyanchuk Heh, actually I wrote this issue more to help other developers, I'm a junior dev, and I thought it should be like this to help with unexpected bugs. Although the logs almost immediately hint at this when starting from scratch;) For a couple of minutes I really thought I had missed something

In the manual you you can add routes.rb: post "/upload" => "file_uploads#upload"

[igorkasyanchuk]

Oh, I see.

In this case, I suggest maybe making a PR improving the documentation if you want.

[antnbaranov]

I'm happy to, but I'm not sure that it's suitable for all cases. As soon as I check not only my task, but also the basic case, I will make changes. Thanks