Add admin attachments page

app/controllers/admin/attachments_controller.rb

@@ -0,0 +1,10 @@
+class Admin::AttachmentsController < Admin::ApplicationController
+  def index
+    @attachments = Attachment.order(id: :desc).page(params[:page])
+  end
+
+  def destroy
+    @attachment = Attachment.find params[:id]
+    @attachment.destroy
+  end
+end

app/models/attachment.rb

@@ -1,3 +1,5 @@
 class Attachment < ActiveRecord::Base
   mount_uploader :file, FileUploader
+
+  belongs_to :user
 end

app/views/admin/attachments/destroy.js.erb

@@ -0,0 +1,3 @@
+$('#attachment-<%= @attachment.id %>').fadeOut(function() {
+  $(this).remove();
+});

app/views/admin/attachments/index.html.slim

@@ -0,0 +1,26 @@
+.panel.panel-campo
+  .panel-heading.clearfix
+    .pull-right
+      = paginate @attachments, theme: 'campo'
+    h3.panel-title
+      | Attachments
+
+  .panel-body
+    .row
+      - @attachments.in_groups_of(3, false) do |group|
+        - group.each do |attachment|
+          .col-md-4 id="attachment-#{attachment.id}"
+            .thumbnail
+              a href=attachment.file.url
+                img src=attachment.file.url alt=attachment['file']
+              .caption
+                h4 = attachment['file']
+                a.text-muted href=admin_user_path(attachment.user)
+                  = attachment.user.name
+                a.pull-right.text-muted href=admin_attachment_path(attachment) data-remote="true" data-method="delete" data-confirm="Are you sure you want to delete this attachment?"
+                  i.fa.fa-times
+        .clearfix
+
+  .panel-footer.clearfix
+    .pull-right
+      = paginate @attachments, theme: 'campo'

app/views/layouts/admin.html.slim

@@ -34,6 +34,8 @@ html
               a href=admin_topics_path Topics
             li class=('active' if controller_name == 'comments')
               a href=admin_comments_path Comments
+            li class=('active' if controller_name == 'attachments')
+              a href=admin_attachments_path Attachment
           ul.nav.navbar-nav.navbar-right
             li
               a href=root_path Back to site

config/routes.rb

@@ -99,6 +99,8 @@ Rails.application.routes.draw do
         patch :restore
       end
     end
+
+    resources :attachments, only: [:index, :destroy]
   end
 
   if Rails.env.development?

test/controllers/admin/attachments_controller_test.rb

@@ -0,0 +1,22 @@
+require 'test_helper'
+
+class Admin::AttachmentsControllerTest < ActionController::TestCase
+  def setup
+    login_as create(:admin)
+  end
+
+  test "should get index" do
+    create :attachment
+
+    get :index
+    assert_response :success, @response.body
+  end
+
+  test "should delete attachment" do
+    attachment = create(:attachment)
+
+    assert_difference "Attachment.count", -1 do
+      xhr :delete, :destroy, id: attachment
+    end
+  end
+end

test/factories/attachments.rb

@@ -1,6 +1,6 @@
-# Read about factories at https://github.com/thoughtbot/factory_girl
-
 FactoryGirl.define do
   factory :attachment do
+    user
+    file File.open('app/assets/images/rails.png')
   end
 end