check file type

Gemfile

@@ -2,6 +2,7 @@ source 'http://rubygems.org'
 gem 'rails', '>=3.1.0', '<3.2.0'
 
 gem "brakeman"
+gem 'mime-types'
 
 gem 'bson_ext'
 gem 'carrierwave'
@@ -24,6 +25,7 @@ gem "mongo_session_store-rails3"
 gem 'mysql2'
 gem 'nokogiri'
 
+
 gem 'radius'
 gem 'rake'
 # gem 'remotipart'

app/assets/javascripts/orbitdesktop.js

@@ -956,13 +956,17 @@ var orbitDesktop = function(dom){
       var abstractview = function(){
         $("#journal_p div#paper_list div.overview").empty();
         var column = $('<div class="g_col list_t"><ul></ul></div>'),
+            counter = 1,
             li;
         $.each(journalData,function(i,journal){
           $.each(journal.papers,function(j,paper){
-            li = $('<li class="list_t_item"  style="height:auto;"><div class="list_item_action"><a href="" class="icon-check-empty"></a><a href="" class="icon-star-empty"></a></div><div class="list_t_title">'+paper.title+'</div><div class="list_t_des">'+paper.abstract+paper.abstract+'</div></li>');
+            li = $('<li class="list_t_item"  style="height:auto;"><div class="list_item_action"><a href="" class="icon-check-empty"></a><a href="" class="icon-star-empty"></a></div><div class="list_t_title">'+paper.title+'</div><div class="list_t_des">'+paper.abstract+'</div></li>');
             column.find("ul").append(li);
+            if(counter%5==0){
               $("#journal_p div#paper_list div.overview").append(column);
               column = $('<div class="g_col list_t"><ul></ul></div>');
+            }
+            counter++;
           })
         })
         $("#journal_p div#paper_list div.overview").append(column);

app/controllers/desktop_publications_controller.rb

@@ -1,3 +1,5 @@
+require 'mime/types'
+
 class DesktopPublicationsController< ApplicationController
   def journal_p
     render "desktop/journal_p", :layout => false
@@ -42,12 +44,34 @@ class DesktopPublicationsController< ApplicationController
     render :json=>b.to_json
   end
 
+  def check_file_type file
+    if not file.nil?
+      file_type = MIME::Types.type_for(file).first.to_s.split("/")[1]
+
+      case file_type
+      when "jpg", "jpeg"
+        type = "jpg" 
+      when "text", "txt"
+        type = "txt"
+      when "pdf"
+        type = "pdf"
+      when "png"
+        type = "png"
+      else "readme"
+      end
+
+      file_type = "/assets/ft-icons/#{type}/#{type}-48_32.png"
+    else
+      file_type = ""
+    end
+  end
+
   def getjournals
     publications = WritingJournal.where(:create_user_id => current_user.id)
 
     sort_publications= Hash.new
     data = Array.new
-    icon_size = "128_32"
+
     publications.each do |publication|
       if sort_publications[publication.journal_title].nil?
         sort_publications[publication.journal_title] = Array.new
@@ -60,7 +84,7 @@ class DesktopPublicationsController< ApplicationController
           coauthors: publication.authors,
           year: publication.year,
           files: publication.writing_journal_files.collect{|file|
-            {title: file.title, url: file.file.url, icon: "/assets/ft-icons/jpg/jpg-48_32.png"}
+            {title: file.title, url: file.file.url, icon: check_file_type(file.file.url)}
           }
         }
     end