标签: paperclip

我正在尝试上传到我构建的投资组合应用程序，特别是试图找到将 delay_job 挂接到流程中的位置。否则一切正常。现在它返回undefined method 'call' for #<Class:0xae68750>了app/controllers/portfolio_items_controller.rb:18:in 'create'所以这是我的模型和控制器的那部分......有人看到任何可能出错的地方吗？我现在使用的钩子来自这个博客：http : //madeofcode.com/posts/42-paperclip-s3-delayed-job-in-rails

/app/controllers/portfolio_items_controller.rb

def create
  @portfolio_item = PortfolioItem.new(params[:portfolio_item])
  if @portfolio_item.save
    flash[:notice] = "Portfolio item created. As soon as files are uploaded Portfolio item will be made live."
    redirect_to @portfolio_item
  else
    render :action => 'new'
  end
end

/app/models/asset.rb

class Asset < ActiveRecord::Base
  attr_accessible :image, :image_file_name, :image_content_type, :image_file_size, :portfolio_item_id, :order

  belongs_to :portfolio_item

  has_attached_file :image,
    :styles => {
      :thumb => "20x20#",
      :small => "100x100",
      :large => "600x600>"
               },
    :storage => …

在使用带有导轨的回形针之前,我编写了自己的上传脚本,上传了一批图像并分配给各自的对象.但现在我需要将所有图像切换为回形针友好.

有没有办法在不使用表格的情况下将图像传递给回形针？

Image.all.each do |image|
  image[:file] = image.filename
  image.save
end

我可以迭代图像对象列表并将图像文件重新分配为回形针附件的行.谢谢.

这曾经工作正常.现在我收到此错误:

rake/rdoctask is deprecated.  Use rdoc/task instead (in RDoc 2.4.2+)
** Invoke paperclip:refresh (first_time)
** Invoke paperclip:refresh:metadata (first_time)
** Invoke environment (first_time)
** Execute environment
** Execute paperclip:refresh:metadata
rake aborted!
Called id for nil, which would mistakenly be 4 -- if you really wanted the id of nil, use object_id
/Users/macuser/Sites/hq_channel/app/models/media.rb:23:in `touch_organization'
/Users/macuser/Sites/hq_channel/vendor/rails/activesupport/lib/active_support/callbacks.rb:178:in `send'
/Users/macuser/Sites/hq_channel/vendor/rails/activesupport/lib/active_support/callbacks.rb:178:in `evaluate_method'
/Users/macuser/Sites/hq_channel/vendor/rails/activesupport/lib/active_support/callbacks.rb:166:in `call'
/Users/macuser/Sites/hq_channel/vendor/rails/activesupport/lib/active_support/callbacks.rb:93:in `run'
/Users/macuser/Sites/hq_channel/vendor/rails/activesupport/lib/active_support/callbacks.rb:92:in `each'
/Users/macuser/Sites/hq_channel/vendor/rails/activesupport/lib/active_support/callbacks.rb:92:in `send'
/Users/macuser/Sites/hq_channel/vendor/rails/activesupport/lib/active_support/callbacks.rb:92:in `run'
/Users/macuser/Sites/hq_channel/vendor/rails/activesupport/lib/active_support/callbacks.rb:276:in `run_callbacks'
/Users/macuser/Sites/hq_channel/vendor/rails/activerecord/lib/active_record/callbacks.rb:344:in `callback'
/Users/macuser/Sites/hq_channel/vendor/rails/activerecord/lib/active_record/callbacks.rb:251:in `create_or_update'
/Users/macuser/Sites/hq_channel/vendor/rails/activerecord/lib/active_record/base.rb:2551:in `save_without_validation!'
/Users/macuser/Sites/hq_channel/vendor/rails/activerecord/lib/active_record/validations.rb:1019:in `save_without_dirty!'
/Users/macuser/Sites/hq_channel/vendor/rails/activerecord/lib/active_record/dirty.rb:87:in `save_without_transactions!'
/Users/macuser/Sites/hq_channel/vendor/rails/activerecord/lib/active_record/transactions.rb:200:in `save!' …

我按照本指南使用回形针http://railscasts.com/episodes/134-paperclip?language=en&view=asciicast 一切都好,但请注意,要启用调整大小,您需要在服务器上安装ImageMagick.

那么我应该如何安装ImageMagick？我有WINDOWS 8并在网站http://www.imagemagick.org/下载不起作用!!!!

我正在使用Paperclip我的Rails应用程序进行附加images.我content_type在我的模型中声明了验证

 validates_attachment :image,
  :content_type => { :content_type => ["image/jpg", "image/gif", "image/png"] }

我有两个例子,一个带有效图像,另一个带有无效图像.
对于无效图像,我只是将.txt文件重命名为a.png

 it "Image is valid" do
    image = File.new("#{Rails.root}/spec/support/right.png")
    expect(FactoryGirl.build(:pin, image: image)).to be_valid
 end
 it "Image is invalid" do
   image = File.new("#{Rails.root}/spec/support/wrong.png")
   expect(FactoryGirl.build(:pin, image: image)).to have(1).errors_on(:image_content_type)
 end

我希望我的两个例子都能成功运行.但是,我的第二个例子失败了.我没有得到content_type的任何错误wrong.png.

我认为Paperclip的content_type验证实际上会检查上传文件的文件格式(二进制数据编码).但似乎在这里,它只是检查文件扩展名.此验证仅检查上传文件的扩展名吗？

我可能在这里遗漏了一些东西(配置？).Paperclip中是否还有其他验证可用于实现此目的？或者在这种情况下我应该选择自定义验证器吗？

我正在使用 Paperclip gem 并保存我的每个图像的三个副本。我的路径看起来像这样：

“img/thumb/f80386a363e077dc08fb80a5c8908c1d78b7.png”

如何从 Paperclip 附加文件对象中仅提取此路径的哈希部分？

显然我可以从中解析出哈希值，但是加载时间对我的应用程序来说非常重要，我更愿意快速提取每个图像的哈希值。所有文件都存储为 jpg，因此这也可以附加在客户端上。我在 Paperclip 对象周围戳了一下，但找不到访问哈希的方法。

这真让我抓狂...

我在这里看到了几个问题与nokogiri(一个在这里),但它们与脚本有关.我有一个完整的rails应用程序,我刚刚安装了paperclip和amazon-aws,当我进行捆绑安装时也下载了nokogiri ..

gem dependency paperclip
...
nokogiri (>= 0, development)
...

这就是这个宝石被引入的地方..

我读到Nokogiri应该在我的gemfile中,所以我做了一个

gemfile.rb =>

gem 'nokogiri'
gem 'aws-sdk'
gem 'paperclip'

现在我的本地服务器无法启动...

nokogiri-1.6.2.1/lib/nokogiri.rb:29:in `require': cannot load such file -- nokogiri/nokogiri (LoadError)

我也尝试过nokogiri 1.4.4 ......

以前(在我的gemfile中没有nokogiri)服务器会加载,但是当我尝试上传图像时会出现加载错误...同上面的错误

cannot load such file -- nokogiri/nokogiri

关于nokogiri的thotbot/paperclip文档中没有任何内容.我试过了

gem install nokogiri

和

gem pristine nokogiri

没有骰子..

我在捆绑上注意到这条消息:

        IMPORTANT!  Nokogiri builds and uses a packaged version of libxml2.

        If this is a concern for you and you want to use the system library
        instead, …

错误

Paperclip::AdapterRegistry::NoHandlerError at /admin/posts/1 No handler found for foo.png

我有一个带有Active Admin的rails 4应用程序,我试图将图像上传到我的Post模型,但我收到了上述错误.这是我的设置

的Gemfile

ruby '2.1.2'

gem 'rails', '4.1.6'
gem 'activeadmin', github: 'gregbell/active_admin'
gem 'paperclip'
gem 'aws-sdk'

模型

class Post < ActiveRecord::Base

  has_attached_file :image, styles: {
    thumb: '100x100>',
    square: '200x200#',
    medium: '300x300>'
  }
  validates_attachment_content_type :image, :content_type => /\Aimage\/.*\Z/

end

主动管理员

permit_params :image

form do |f|
  f.inputs do
    f.input :image, as: :file, hint: (f.template.image_tag(f.object.image.url(:thumb)) if f.object.image?)
  end
  f.actions
end

/config/initializers/paperclip.rb

Paperclip::Attachment.default_options[:storage] = :s3
Paperclip::Attachment.default_options[:s3_host_name] = 's3-eu-west-1.amazonaws.com'
Paperclip::Attachment.default_options[:url] = ':s3_domain_url'
Paperclip::Attachment.default_options[:path] = '/:class/:attachment/:id_partition/:style/:filename' …

我在我的一个应用程序中设置paperclip gem时遇到问题.
我No handler found for尝试保存上传的文件时收到错误消息.

我做过的事情

• 移民:

  add_attachment :orders, :file  
  

  Run Code Online (Sandbox Code Playgroud)

• 模型:

  has_attached_file :file  
  validates_attachment_content_type :file, :content_type => /\Aimage\/.*\Z/
  

  Run Code Online (Sandbox Code Playgroud)

• 控制器:

  def order_params  
    params.require(:order).permit(:file)
  

  Run Code Online (Sandbox Code Playgroud)

• 视图:

  form_tag url, method: :post, html: {multipart: true}  
  ...  
  = file_field_tag 'order[file]', disabled: true, id: 'mtd_file',accept: 'image/png,image/gif,image/jpeg'
  

  Run Code Online (Sandbox Code Playgroud)

当我尝试在我的控制器中执行时,我Order.create params[order]得到错误

找不到"file.jpg"的处理程序

当我查看order[file]param时,我发现它是一个字符串file.jpg(上传文件的名称).

我正在使用paperclip gem将文件上传到数据库.当我选择要上传的文件并去创建它时,下一页应该重定向到根路径.相反,我在浏览器中收到"Method Not Allowed".我打开开发工具,控制台说:无法加载资源:服务器响应状态为405(方法不允许)我的日志如下所示:

Started POST "/assets" for ::1 at 2015-08-20 10:41:11 -0400

并一直挂钩,直到我回到另一页.

这是我的控制器

class AssetsController < ApplicationController
# before_filter :authenticate_user!

def index 
 @assets = current_user.assets      
end

def show 
 @asset = current_user.assets.find(params[:id]) 
end

def new
 @asset = current_user.assets.build
end

def create 
 @asset = current_user.assets.build(asset_params) 
  if @asset.save
   flash[:success] = "The file was uploaded!"
   redirect_to root_path
  else
   render 'new'
 end
end

def edit 
 @asset = current_user.assets.find(params[:id]) 
end

def update 
 @asset = current_user.assets.find(params[:id]) 
end

def destroy 
 @asset = current_user.assets.find(params[:id]) 
end

private

def …