我正在使用带有 Sidekiq 的 CarrierWave Direct 在后台将图像上传到 Amazon S3。图片正在按预期上传,但我似乎无法将图片记录添加到数据库中。当我提出错误时,我得到了filename can't be blank
.
以下是相关代码:
应用程序/上传器/image_uploader.rb
class ImageUploader < CarrierWave::Uploader::Base
include CarrierWaveDirect::Uploader
include CarrierWave::MimeTypes
process :set_content_type
end
应用程序/控制器/管理员/images_controller.rb
def index
@uploader = Image.new.filename
@uploader.success_action_redirect = new_admin_project_image_url(@project)
render "new"
end
def new
@image = Image.new
@image.filename = params[:key]
@image.imageable = @project
unless @image.save
raise @image.errors.to_yaml
end
end
应用程序/模型/image.rb
class Image < ActiveRecord::Base
attr_accessible :imageable_id, :imageable_type, :filename
validates :filename, presence: true
validates :imageable_id, presence: true
validates :imageable_type, presence: true
belongs_to :imageable, polymorphic: true
mount_uploader :filename, ImageUploader
end
app/views/admin/images/new.html.erb
<%= direct_upload_form_for @uploader do |f| %>
<p><%= f.file_field :filename %></p>
<p><%= f.submit "Upload Image" %></p>
<% end %>