여러 장의 이미지 업로드가 반송파로 작동하지 않습니다.

Question

carrierwave를 사용하여 active_admin에서 여러 이미지를 업로드하려고했습니다. 그래서 캐리어 웨이브 문서에 따라 배열 필드를 가져 와서 중첩 필드를 허용하지만 여러 이미지를 업로드 한 후에 오류가 발생했습니다.

error: 
    AdminUser Load (0.7ms) SELECT "admin_users".* FROM "admin_users" WHERE "admin_users"."id" = $1 ORDER BY "admin_users"."id" ASC LIMIT $2 [["id", 1], ["LIMIT", 1]] 
     (0.3ms) BEGIN 
     SQL (0.8ms) INSERT INTO "albums" ("title", "created_at", "updated_at") VALUES ($1, $2, $3) RETURNING "id" [["title", "dvdfbfdbfdb"], ["created_at", 2016-08-10 18:36:56 UTC], ["updated_at", 2016-08-10 18:36:56 UTC]] 
     SQL (0.9ms) INSERT INTO "images" ("created_at", "updated_at", "avatars", "avatarable_id", "avatarable_type") VALUES ($1, $2, $3, $4, $5) RETURNING "id" [["created_at", 2016-08-10 18:36:56 UTC], ["updated_at", 2016-08-10 18:36:56 UTC], ["avatars", "{kfos6fofbk1pbhrw2a5x.png,meaxlow3fgehcoepklm7.jpg}"], ["avatarable_id", 22], ["avatarable_type", "Album"]] 
     SQL (1.8ms) UPDATE "images" SET "avatars" = 'image/upload/v1470854220/kfos6fofbk1pbhrw2a5x.png' WHERE "images"."id" = $1 [["id", 23]] 
     (0.3ms) ROLLBACK 
    Completed 500 Internal Server Error in 4632ms (ActiveRecord: 4.7ms) 



    ActiveRecord::StatementInvalid (PG::InvalidTextRepresentation: ERROR: malformed array literal: "image/upload/v1470854220/kfos6fofbk1pbhrw2a5x.png" 
    LINE 1: UPDATE "images" SET "avatars" = 'image/upload/v1470854220/kf... 
              ^
    DETAIL: Array value must start with "{" or dimension information. 
    : UPDATE "images" SET "avatars" = 'image/upload/v1470854220/kfos6fofbk1pbhrw2a5x.png' WHERE "images"."id" = $1): 

    activerecord (5.0.0) lib/active_record/connection_adapters/postgresql_adapter.rb:598:in `async_exec' 
    activerecord (5.0.0) lib/active_record/connection_adapters/postgresql_adapter.rb:598:in `block in exec_no_cache' 
    activerecord (5.0.0) lib/active_record/connection_adapters/abstract_adapter.rb:566:in `block in log' 
    activesupport (5.0.0) lib/active_support/notifications/instrumenter.rb:21:in `instrument' 
    activerecord (5.0.0) lib/active_record/connection_adapters/abstract_adapter.rb:560:in `log' 
    activerecord (5.0.0) lib/active_record/connection_adapters/postgresql_adapter.rb:598:in `exec_no_cache' 
    activerecord (5.0.0) lib/active_record/connection_adapters/postgresql_adapter.rb:587:in `execute_and_clear' 
    activerecord (5.0.0) lib/active_record/connection_adapters/postgresql/database_statements.rb:116:in `exec_delete' 
    activerecord (5.0.0) lib/active_record/connection_adapters/abstract/database_statements.rb:133:in `update' 
    activerecord (5.0.0) lib/active_record/connection_adapters/abstract/query_cache.rb:14:in `update' 



ActiveAdmin.register Album do 

permit_params :title,images_attributes: [:id,:_destroy,:avatars=>[]] 

form html: { multipart: true } do |f| 

     f.inputs do 
     f.input :title 
     f.has_many :images, allow_destroy: true do |a| 
      a.input :avatars, :as => :file ,input_html:{multiple: true} 
     end 
     end 
     f.actions 
    end 
end 



class Album < ApplicationRecord 


     has_many :images, as: :avatarable, dependent: :destroy 
     accepts_nested_attributes_for :images, :allow_destroy => true 
     end 

    class Image < ApplicationRecord 
      belongs_to :avatarable, polymorphic: true 
      mount_uploaders :avatars, AvatarUploader 
    end 




    # encoding: utf-8 

    class AvatarUploader < CarrierWave::Uploader::Base 
     include Cloudinary::CarrierWave 
     def extension_white_list 
      %w(jpg jpeg gif png) 
     end 
    end 

Answer 1

여러 가지 방법을 시도하여 여러 번 업로드 할 수 있습니다. 예를 들어,이 샘플 프로젝트 참조 해보십시오 : https://github.com/taragano/Cloudinary_multiple_uploads