ActiveStorage file uploading in GraphQL API in Rails

document.rb

# app/models/document.rb

class Document < ApplicationRecord
  ## RELATIONSHIPS
  has_one_attached :doc
  belongs_to :documentable, polymorphic: true, optional: true
  belongs_to :user, optional: true

  ## VALIDATIONS
  validate :doc_presence, on: :create

	# This validation validates that attachment can be any image of pdf
  def doc_presence
    pattern = %r{^(image|application)/(.)+$}
    unless doc.attached? && pattern.match?(doc.attachment.blob.content_type)
      errors.add(:doc, I18n.t("errors.models.document.file_presence"))
    end
  end
end

@happycamper1129 https://github.com/jaydenseric/apollo-upload-client this is client part of ApolloUploadServer Ruby library

I'm sorry; I mostly work on Backend. I won't be able to help much. But my front-end colleagues solved it in VueJS. But it will be difficult to ask them.

Hey I am getting this error could you please help me ?????