Add file download function

app/controllers/home_controller.rb

@@ -6,6 +6,16 @@ class HomeController < ApplicationController
     file_directory(@current_dir)
   end
 
+  def file_download
+      @file_name = params[:file_name]
+      puts "file_name: " + @file_name
+      if File.exist?(@file_name)
+          #File.delete(@file_name)
+          puts "file exist!!"
+          send_file(@file_name)
+          puts "send success"
+      end
+  end
 
   def make_directory
 	  current_dir = params[:current_dir]
@@ -15,7 +25,6 @@ class HomeController < ApplicationController
 	  redirect_to '/home/index'
   end
 
-  
   def delete_file
 	  file_name = params[:file_name]
 	  puts "rm #{file_name} -rf"

app/views/home/index.html.erb

@@ -39,7 +39,6 @@
 	</div>
 </div>
 
-
 <!-- page content -->
 <div class="right_col" role="main">
 	<div class="">
@@ -162,8 +161,12 @@
 											<a style="cursor: pointer" onclick="change_directory('<%=@current_dir + "/" + t["name"]%>')"> <%=t["name"]%></a>
 										</td>
 										<% else %>
-                         <td><i class="fa fa-file-o"></i> 
+										<td>
-                           <a style="cursor: pointer"><%=t["name"]%></a>
+											<form class="form_file_download" data-parsley-validate>
+												<i class="fa fa-file-o"></i>
+												<input type="hidden", value="<%=@current_dir + '/' + t['name']%>">
+												<button type="submit" style="border: none; background: none;"><%=t["name"]%></button>
+											</form>
 										</td>
 										<% end %>
 										<td><%=t["auth"]%></td>
@@ -275,7 +278,13 @@
 					new_tr += "<td style='color:#0d8ade;' class='sorting_1'><i class='fa fa-folder-open-o'></i> ";
 					new_tr += "<a  style='cursor: pointer'  onclick='change_directory(" +'"' + cur + "/" + result.file[i].name +'"'+ ")'>" + result.file[i].name + "</a></td>";
 				}else{
-              new_tr += "<td><i class='fa fa-file-o'></i><a style='cursor: pointer'> " + result.file[i].name + "</a></td>";
+					new_tr += "<td>";
+					new_tr += "<form class='form_file_download' data-parsley-validate>";
+					new_tr += "<i class='fa fa-file-o'></i>";
+					new_tr += "<input type='hidden', value='" + cur + "/" + result.file[i].name + "'>";
+					new_tr += "<button type='submit' style='border: none; background: none;'>" + result.file[i].name + "</button>";
+					new_tr += "</form>";
+					new_tr += "</td>";
 				}
 				new_tr += "<td>"+result.file[i].auth+"</td>";
 				new_tr += "<td>"+result.file[i].size+"</td>";
@@ -287,13 +296,43 @@
 			$("#table_div").append(new_table);
 			$('#datatable').dataTable();
 			right_click();
+
+			$(".form_file_download").submit(function(){
+				file_name = $(this).find("input").val();
+				$.ajax({
+					type: 'post',
+					url: '/file_download',
+					data: {file_name: file_name},
+					success: function(result){
+						console.log("post success");
+					}
+				});
+				return false;
+			})
 		}
 	})
 }
 
-	  
 </script>
 
+<script>
+
+$("document").ready(function(){
+	$(".form_file_download").submit(function(){
+		file_name = $(this).find("input").val();
+		$.ajax({
+			type: 'post',
+			url: '/file_download',
+			data: {file_name: file_name},
+			success: function(result){
+				console.log("post success");
+			}
+		});
+		return false;
+	})
+});
+
+</script>
 
 
 <!--Test Page specific JS -->

config/environments/production.rb

@@ -44,7 +44,7 @@ Rails.application.configure do
   # `config.assets.precompile` and `config.assets.version` have moved to config/initializers/assets.rb
 
   # Specifies the header that your server uses for sending files.
-  # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
+  config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
   # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
 
   # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.

config/routes.rb

@@ -14,7 +14,7 @@ Rails.application.routes.draw do
   get 'home/index' => 'home#index'
   post 'home/mkdir' => 'home#make_directory'
   post 'home/delete' => 'home#delete_file'
-
+  post 'file_download' => 'home#file_download'
 
   #Volume
   get 'volume/index' => 'volume#index'