Admin namespace for index function. Basic upload and download function

Author: Andreas Zuber

app/controllers/admin/uploads_controller.rb

@@ -0,0 +1,21 @@
+class Admin::UploadsController < ApplicationController
+  before_filter :authenticate
+
+  def authenticate
+    authenticate_or_request_with_http_basic do |name, pass|
+      name == 'test' && pass == 'nopass'
+    end
+  end
+
+# GET /uploads
+  # GET /uploads.xml
+  def index
+    @uploads = Upload.find(:all)
+
+    respond_to do |format|
+      format.html # index.html.erb
+      format.xml  { render :xml => @uploads }
+    end
+  end
+
+end

app/controllers/application.rb

@@ -2,6 +2,8 @@
 # Likewise, all the methods added will be available for all controllers.
 
 class ApplicationController < ActionController::Base
+  before_filter :load_settings
+
   helper :all # include all helpers, all the time
 
   # See ActionController::RequestForgeryProtection for details
@@ -12,4 +14,9 @@ class ApplicationController < ActionController::Base
   # Uncomment this to filter the contents of submitted sensitive data parameters
   # from your application log (in this case, all fields with names like "password"). 
   # filter_parameter_logging :password
+
+  def load_settings
+    @filepaste_settings = YAML.load( File.open( RAILS_ROOT + "/config/settings.yml" ) )
+  end
+
 end

app/controllers/uploads_controller.rb

@@ -1,14 +1,4 @@
 class UploadsController < ApplicationController
-  # GET /uploads
-  # GET /uploads.xml
-  def index
-    @uploads = Upload.find(:all)
-
-    respond_to do |format|
-      format.html # index.html.erb
-      format.xml  { render :xml => @uploads }
-    end
-  end
 
   # GET /uploads/1
   # GET /uploads/1.xml
@@ -40,7 +30,30 @@ def edit
   # POST /uploads
   # POST /uploads.xml
   def create
-    @upload = Upload.new(params[:upload])
+    datafile = params[:uploads][:file]
+   
+    # Create a new hash
+    chars = ('a'..'z').to_a + ('A'..'Z').to_a + ('0'..'9').to_a
+    random_hash = ""
+    @filepaste_settings['general']['hash_length'].to_i.times do
+      random_hash << chars[rand(chars.size)]
+    end
+
+    dirname = File.join RAILS_ROOT, 'public', 'downloads', random_hash
+    filepath = File.join dirname, datafile.original_filename
+
+    # Now we save the File to the disk
+    Dir.mkdir dirname 
+    File.open(filepath, "wb") { |file| file.write datafile.read }
+
+    # Save the file information to the database
+    @upload = Upload.new
+    @upload.filename = datafile.original_filename
+    @upload.description = params[:uploads][:description]
+    @upload.hash_key = random_hash
+    @upload.content_type = datafile.content_type
+    @upload.updated_at = Time.now
+    @upload.created_at = Time.now
 
     respond_to do |format|
       if @upload.save
@@ -58,7 +71,7 @@ def create
   # PUT /uploads/1.xml
   def update
     @upload = Upload.find(params[:id])
-
+   
     respond_to do |format|
       if @upload.update_attributes(params[:upload])
         flash[:notice] = 'Upload was successfully updated.'
@@ -75,11 +88,18 @@ def update
   # DELETE /uploads/1.xml
   def destroy
     @upload = Upload.find(params[:id])
+
+    dirname = File.join RAILS_ROOT, 'public', 'downloads', @upload.random_hash
+    filepath = File.join dirname, @upload.filename
+    
+    File.delete filepath
+    Dir.delete dirname
     @upload.destroy
 
     respond_to do |format|
       format.html { redirect_to(uploads_url) }
       format.xml  { head :ok }
     end
   end
+
 end

app/helpers/admin/uploads_helper.rb

@@ -0,0 +1,2 @@
+module Admin::UploadsHelper
+end

app/views/uploads/index.html.erb renamed to app/views/admin/uploads/index.html.erb

@@ -22,5 +22,3 @@
 </table>
 
 <br />
-
-<%= link_to 'New upload', new_upload_path %>

app/views/uploads/edit.html.erb

@@ -1,27 +1,18 @@
 <h1>New upload</h1>
 
-<% form_for(@upload) do |f| %>
+<% form_for :uploads, :url => { :action => 'create' }, :html => { :multipart => true }  do |f| %>
   <%= f.error_messages %>
 
-  <p>
-    <%= f.label :filename %><br />
-    <%= f.text_field :filename %>
-  </p>
   <p>
     <%= f.label :description %><br />
     <%= f.text_area :description %>
   </p>
   <p>
-    <%= f.label :hash_key %><br />
-    <%= f.text_field :hash_key %>
-  </p>
-  <p>
-    <%= f.label :content_type %><br />
-    <%= f.text_field :content_type %>
+    <%= f.label 'Path to File' %><br />
+    <%= f.file_field 'file' %>
   </p>
   <p>
     <%= f.submit "Create" %>
   </p>
 <% end %>
 
-<%= link_to 'Back', uploads_path %>

app/views/uploads/new.html.erb

@@ -1,23 +1,17 @@
 <p>
-  <b>Filename:</b>
+  <b>File:</b><br/>
   <%=h @upload.filename %>
 </p>
 
 <p>
-  <b>Description:</b>
+  <b>Description:</b><br/>
   <%=h @upload.description %>
 </p>
 
 <p>
-  <b>Hash key:</b>
-  <%=h @upload.hash_key %>
+  <b>This is the URL to download your file:</b><br/>
+  <% download_url = root_url + 'downloads/' + @upload.hash_key + '/' + @upload.filename %>
+  <a href="<%=h download_url%>"><h3><%=h download_url%></h3></a>
 </p>
 
-<p>
-  <b>Content type:</b>
-  <%=h @upload.content_type %>
-</p>
-
-
-<%= link_to 'Edit', edit_upload_path(@upload) %> |
-<%= link_to 'Back', uploads_path %>
+<%= link_to 'Upload new File', new_upload_path %>

app/views/uploads/show.html.erb

@@ -1,5 +1,10 @@
 ActionController::Routing::Routes.draw do |map|
-  map.root :controller => 'uploads'
+  
+  map.namespace :admin do |admin|
+    admin.resources :uploads
+  end
+
+  map.root :controller => 'uploads', :action => 'new'
   map.resources :uploads
 
   # The priority is based upon order of creation: first created -> highest priority.

config/routes.rb

@@ -0,0 +1,8 @@
+
+general:
+        hash_length: "32"
+
+ldap_settings:
+        host: "ldap.yourserver.com"
+        port: "389"
+        base: "dc=your,dc=base"