替换paperclip，使用carrierwave（方便重用上传代码，或者使用七牛/upyun）

Author: linuxnerd

.gitignore

@@ -15,4 +15,4 @@
 /log/*.log
 /tmp
 /config/config.yml
-/public/system
+/public/uploads

Gemfile

@@ -27,7 +27,8 @@ gem 'bootstrap_helper', '4.2.3'
 gem 'nprogress-rails', '~> 0.1.3.0'
 
 # 头像上传
-gem 'paperclip', '~> 4.1'
+gem 'mini_magick', '3.3'
+gem 'carrierwave', '~> 0.10.0'
 
 gem 'sass-rails', '~> 4.0.2'
 gem 'uglifier', '2.1.1'

Gemfile.lock

@@ -50,12 +50,13 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
+    carrierwave (0.10.0)
+      activemodel (>= 3.2.0)
+      activesupport (>= 3.2.0)
+      json (>= 1.7)
+      mime-types (>= 1.16)
     childprocess (0.5.3)
       ffi (~> 1.0, >= 1.0.11)
-    climate_control (0.0.3)
-      activesupport (>= 3.0)
-    cocaine (0.5.4)
-      climate_control (>= 0.0.3, < 1.0)
     coderay (1.1.0)
     coffee-rails (4.0.1)
       coffee-script (>= 2.2.0)
@@ -135,18 +136,15 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.25.1)
+    mini_magick (3.3)
+      subexec (~> 0.1.0)
     mini_portile (0.6.0)
     minitest (4.7.5)
     multi_json (1.10.1)
     multi_test (0.1.1)
     nokogiri (1.6.2.1)
       mini_portile (= 0.6.0)
     nprogress-rails (0.1.3.0)
-    paperclip (4.1.1)
-      activemodel (>= 3.0.0)
-      activesupport (>= 3.0.0)
-      cocaine (~> 0.5.3)
-      mime-types
     polyglot (0.3.5)
     rack (1.5.2)
     rack-test (0.6.2)
@@ -210,6 +208,7 @@ GEM
       activesupport (>= 3.0)
       sprockets (~> 2.8)
     sqlite3 (1.3.7)
+    subexec (0.1.0)
     thin (1.6.2)
       daemons (>= 1.0.9)
       eventmachine (>= 1.0.0)
@@ -241,6 +240,7 @@ DEPENDENCIES
   better_errors
   bootstrap_helper (= 4.2.3)
   capybara (= 2.1.0)
+  carrierwave (~> 0.10.0)
   coffee-rails (= 4.0.1)
   country_select (= 1.3.1)
   cucumber-rails (= 1.3.0)
@@ -250,8 +250,8 @@ DEPENDENCIES
   jquery-rails (= 2.2.1)
   jquery-turbolinks (~> 2.0.2)
   kaminari-bootstrap (~> 0.1.3)!
+  mini_magick (= 3.3)
   nprogress-rails (~> 0.1.3.0)
-  paperclip (~> 4.1)
   rails (= 4.0.3)
   rspec-rails (= 2.13.1)
   ruby-ole (= 1.2.11.7)

README.md

@@ -2,15 +2,6 @@
 管理系统基本功能框架，可在此基础上扩展业务功能。
 
 ##安装
-```shell
-git clone [email protected]:linuxnerd/ratab.git
-cd ratab
-bundle install
-cd config
-cp config.default.yml config.yml # 将参数修改成自己的参数(注意修改faye token)
-bundle exec rake db:schema:load
-bundle exec rake db:init # 创建一个管理员用户[email protected]
-```
 头像上传功能必须安装[ImageMagick](http://www.imagemagick.org/)，安装方法：
 
 如果是ubuntu
@@ -21,6 +12,17 @@ sudo apt-get install imagemagick
 ```
 brew install imagemagick
 ```
+部署application
+```shell
+git clone [email protected]:linuxnerd/ratab.git
+cd ratab
+bundle install
+cd config
+cp config.default.yml config.yml # 将参数修改成自己的参数(注意修改faye token)
+bundle exec rake db:schema:load
+bundle exec rake db:init # 创建一个管理员用户[email protected]
+```
+
 注意修改`config/environments`下各环境的邮箱配置
 ```ruby
 config.action_mailer.delivery_method = :smtp
@@ -41,7 +43,7 @@ config.action_mailer.smtp_settings = {
  - 基于`faye-rails`的实时通知系统，直接操作Notification模型即可
  - 基本的国际化
  - 基于`spreadsheet`的导出到excel的功能
- - 基于`paperclip`的头像上传功能
+ - 基于`carrierwave`的头像上传功能
 
 ##要注意的坑
  - `wice_grid`与`will_paginate`存在兼容性问题，paginate使用`kaminari-bootstrap` 0.1.3版本

app/models/user.rb

@@ -1,4 +1,5 @@
 class User < ActiveRecord::Base
+  mount_uploader :avatar, AvatarUploader
   has_many :notifications, dependent: :destroy
   before_save { self.email = email.downcase }
   before_create :create_remember_token
@@ -14,14 +15,6 @@ class User < ActiveRecord::Base
 
   validates_length_of :password, :within => 6..16, message: '新密码长度不正确，应该在6到16位之间', on: :create
 
-  # paperclip
-  has_attached_file :avatar,
-                    styles: { :medium => "300x300>", :thumb => "100x100>" },
-                    default_url: "avatars/profile-pic.jpg"
-  validates_attachment :avatar,
-                      content_type: { content_type: /\Aimage\/.*\Z/ },
-                      size: { in: 0..4.megabytes }
-
   # rails自带
   has_secure_password
 

app/uploaders/avatar_uploader.rb

@@ -0,0 +1,58 @@
+# encoding: utf-8
+
+class AvatarUploader < CarrierWave::Uploader::Base
+
+  # Include RMagick or MiniMagick support:
+  # include CarrierWave::RMagick
+  include CarrierWave::MiniMagick
+
+  # Choose what kind of storage to use for this uploader:
+  storage :file
+  # storage :fog
+
+  # Override the directory where uploaded files will be stored.
+  # This is a sensible default for uploaders that are meant to be mounted:
+  def store_dir
+    "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
+  end
+
+  # Provide a default URL as a default if there hasn't been a file uploaded:
+  def default_url
+    ActionController::Base.helpers.asset_path("avatars/profile-pic.jpg")
+  end
+
+  # Process files as they are uploaded:
+  # process :scale => [200, 300]
+  #
+  # def scale(width, height)
+  #   # do something
+  # end
+
+  # Create different versions of your uploaded files:
+  version :thumb do
+    process :resize_to_fit => [50, 50]
+  end
+
+  version :medium do
+    process :resize_to_fit => [300, 300]
+  end
+
+  # Add a white list of extensions which are allowed to be uploaded.
+  # For images you might use something like this:
+  def extension_white_list
+    %w(jpg jpeg gif png)
+  end
+
+  # Override the filename of the uploaded files:
+  # Avoid using model.id or version_name here, see uploader/store.rb for details.
+  def filename
+    "#{secure_token}.#{file.extension}" if original_filename
+  end
+
+  protected
+    def secure_token(length=16)
+      var = :"@#{mounted_as}_secure_token"
+      model.instance_variable_get(var) || model.instance_variable_set(var, SecureRandom.hex(length/2))
+    end
+
+end

app/views/layouts/_header.html.erb

@@ -10,7 +10,7 @@
       <% end %>
 
       <ul class="nav ace-nav pull-right">
-        
+
         <li>
           <a data-toggle="dropdown" class="dropdown-toggle" href="#">
             <i class="icon-bell-alt icon-animated-bell"></i>
@@ -95,4 +95,4 @@
     </div><!--/.container-fluid-->
   </div><!--/.navbar-inner-->
 </div>
-</header>
+</header>

app/views/users/edit.html.erb

@@ -24,15 +24,15 @@
             <i class="icon-plus-sign bigger-110"></i>
             加为好友
           </a>
-  
+
           <a href="#" class="btn btn-small btn-block btn-primary">
             <i class="icon-envelope-alt"></i>
             发私信
           </a>
         </div>
-  
+
         <div class="span9">
-          <%= simple_form_for @user, :html => {class: 'form-horizontal'} do |f| %>
+          <%= simple_form_for @user, :html => {class: 'form-horizontal', multipart: true} do |f| %>
             <fieldset>
               <legend>
                 <h4 class="blue">
@@ -64,7 +64,7 @@
                 </span>
               <% end %>
               <%= f.input :avatar, as: :file, input_html: { accept: "image/*" } %>
-              
+
               <div class="form-actions" >
                 <%= button_tag class: 'btn btn-primary' do %>
                   <i class='icon-save'></i>
@@ -76,8 +76,7 @@
         </div><!--/span-->
       </div>
     </div>
-    
+
     <!--PAGE CONTENT ENDS-->
   </div><!--/.span-->
 </div><!--/.row-fluid-->
-

config/locales/carrierwave.zh-CN.yml

@@ -0,0 +1,7 @@
+errors:
+  messages:
+    carrierwave_processing_error: "无法重新调整大小"
+    carrierwave_integrity_error: "并不是图片文件"
+    carrierwave_download_error: "无法下载图片"
+    extension_white_list_error: "不能上传 %{extension} 文件, 允许上传的文件扩展名有: %{allowed_types}"
+    extension_black_list_error: "不能上传 %{extension} 文件, 不允许上传的文件扩展名有: %{prohibited_types}"

config/locales/paperclip.zh-CN.yml

@@ -38,9 +38,3 @@
         phone: '联系电话'
         last_ip: '最后登录IP'
         current_password: '当前密码'
-    errors:
-      models:
-        user:
-          attributes:
-            avatar_content_type:
-              invalid: '图片文件格式非法'

config/locales/zh-CN.yml

@@ -1,5 +1,5 @@
 class AddAvatarToUsers < ActiveRecord::Migration
   def change
-    add_attachment :users, :avatar
+    add_column :users, :avatar, :string
   end
 end

db/migrate/20140606064641_add_avatar_to_users.rb renamed to db/migrate/20140606135622_add_avatar_to_users.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20140606064641) do
+ActiveRecord::Schema.define(version: 20140606135622) do
 
   create_table "notifications", force: true do |t|
     t.string   "title"
@@ -35,10 +35,7 @@
     t.string   "remember_token"
     t.string   "password_reset_token"
     t.datetime "password_expires_after"
-    t.string   "avatar_file_name"
-    t.string   "avatar_content_type"
-    t.integer  "avatar_file_size"
-    t.datetime "avatar_updated_at"
+    t.string   "avatar"
   end
 
   add_index "users", ["email"], name: "index_users_on_email", unique: true