Lots of things

Gemfile

@@ -5,38 +5,27 @@ source 'https://rubygems.org'
 gem 'rails', '4.1.0'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3'
+# Use omniauth-cas for CAS Authentication
+gem 'omniauth-cas'
+
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 4.0.3'
+gem 'bootstrap-sass', '~> 3.1.1'
+gem 'font-awesome-sass'
+
 # Use Uglifier as compressor for JavaScript assets
 gem 'uglifier', '>= 1.3.0'
 # Use CoffeeScript for .js.coffee assets and views
 gem 'coffee-rails', '~> 4.0.0'
-# See https://github.com/sstephenson/execjs#readme for more supported runtimes
-# gem 'therubyracer',  platforms: :ruby
-
 # Use jquery as the JavaScript library
 gem 'jquery-rails'
 # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
 gem 'turbolinks'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 gem 'jbuilder', '~> 2.0'
+
 # bundle exec rake doc:rails generates the API under doc/api.
 gem 'sdoc', '~> 0.4.0',          group: :doc
 
 # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
-gem 'spring',        group: :development
-
-# Use ActiveModel has_secure_password
-# gem 'bcrypt', '~> 3.1.7'
-
-# Use unicorn as the app server
-# gem 'unicorn'
-
-# Use Capistrano for deployment
-# gem 'capistrano-rails', group: :development
-
-# Use debugger
-# gem 'debugger', group: [:development, :test]
-
-#gem 'acts_as_category', path: '/home/gabe/programming/WTG/acts_as_category'
-gem 'acts_as_list'
+gem 'spring',        group: :development

Gemfile.lock

@@ -27,37 +27,49 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.1)
       tzinfo (~> 1.1)
-    acts_as_list (0.4.0)
-      activerecord (>= 3.0)
-    arel (5.0.0)
-    awesome_nested_set (2.1.6)
-      activerecord (>= 3.0.0)
+    addressable (2.3.6)
+    arel (5.0.1.20140414130214)
+    bootstrap-sass (3.1.1.1)
+      sass (~> 3.2)
     builder (3.2.2)
     coffee-rails (4.0.1)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.0)
-    coffee-script (2.2.0)
+    coffee-script (2.3.0)
       coffee-script-source
       execjs
-    coffee-script-source (1.7.0)
+    coffee-script-source (1.7.1)
     erubis (2.7.0)
-    execjs (2.0.2)
+    execjs (2.2.1)
+    font-awesome-sass (4.1.0)
+      sass (~> 3.2)
+    hashie (2.1.1)
     hike (1.2.3)
-    i18n (0.6.9)
-    jbuilder (2.0.6)
+    i18n (0.6.11)
+    jbuilder (2.1.2)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
-    jquery-rails (3.1.0)
+    jquery-rails (3.1.1)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
     json (1.8.1)
     mail (2.5.4)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.25.1)
-    minitest (5.3.2)
-    multi_json (1.9.2)
-    polyglot (0.3.4)
+    mini_portile (0.6.0)
+    minitest (5.4.0)
+    multi_json (1.10.1)
+    nokogiri (1.6.2.1)
+      mini_portile (= 0.6.0)
+    omniauth (1.1.4)
+      hashie (>= 1.2, < 3)
+      rack
+    omniauth-cas (1.0.4)
+      addressable (~> 2.3)
+      nokogiri (~> 1.6)
+      omniauth (~> 1.1.0)
+    polyglot (0.3.5)
     rack (1.5.2)
     rack-test (0.6.2)
       rack (>= 1.0)
@@ -76,7 +88,7 @@ GEM
       activesupport (= 4.1.0)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.2.2)
+    rake (10.3.2)
     rdoc (4.1.1)
       json (~> 1.4)
     sass (3.2.19)
@@ -88,7 +100,7 @@ GEM
     sdoc (0.4.0)
       json (~> 1.8)
       rdoc (~> 4.0, < 5.0)
-    spring (1.1.2)
+    spring (1.1.3)
     sprockets (2.11.0)
       hike (~> 1.2)
       multi_json (~> 1.0)
@@ -100,28 +112,29 @@ GEM
       sprockets (~> 2.8)
     sqlite3 (1.3.9)
     thor (0.19.1)
-    thread_safe (0.3.3)
+    thread_safe (0.3.4)
     tilt (1.4.1)
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
     turbolinks (2.2.2)
       coffee-rails
-    tzinfo (1.1.0)
+    tzinfo (1.2.1)
       thread_safe (~> 0.1)
-    uglifier (2.5.0)
+    uglifier (2.5.1)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  acts_as_list
-  awesome_nested_set
+  bootstrap-sass (~> 3.1.1)
   coffee-rails (~> 4.0.0)
+  font-awesome-sass
   jbuilder (~> 2.0)
   jquery-rails
+  omniauth-cas
   rails (= 4.1.0)
   sass-rails (~> 4.0.3)
   sdoc (~> 0.4.0)

app/assets/javascripts/application.js

@@ -12,5 +12,6 @@
 //
 //= require jquery
 //= require jquery_ujs
+//= require bootstrap
 //= require turbolinks
 //= require_tree .

app/assets/javascripts/bootstrap.js.coffee

@@ -0,0 +1,3 @@
+jQuery ->
+  $("a[rel~=popover], .has-popover").popover()
+  $("a[rel~=tooltip], .has-tooltip").tooltip()

app/assets/stylesheets/application.css → app/assets/stylesheets/application.css.scss

@@ -11,5 +11,14 @@
  * file per style scope.
  *
  *= require_tree .
+ *= require font-awesome
  *= require_self
  */
+
+$btn-default-bg: #CC0000;
+$btn-default-color: #FFFFFF;
+
+$input-border-focus: #00B200;
+
+@import "bootstrap";
+@import "bootstrap/theme";

app/assets/stylesheets/categories.css.scss

@@ -1,3 +1,61 @@
 // Place all the styles related to the categories controller here.
 // They will automatically be included in application.css.
 // You can use Sass (SCSS) here: http://sass-lang.com/
+
+.page {
+  margin-left: 10px;
+}
+
+.banner {
+  padding-right: 100px;
+}
+
+.unstyled_link {
+  a {
+    text-decoration: none;
+    color: black;
+    &:hover {
+      text-decoration: none;
+      color: black;
+    }
+  }
+}
+
+.categories_nav {
+  width: 300px;
+  padding-right: 20px;
+  float: left;
+  .categories_list {
+    margin-left: 10px;
+  }
+}
+
+.documents_grid {
+  width: 800px;
+  float: right;
+}
+
+.upload_button_container{
+
+  .upload_button {
+    margin-left: auto;
+    margin-right: auto;
+    display: block;
+    background-color: #708EA4;
+    border-radius: 2px;
+    box-shadow: 2px 2px 1px #0A0A0A;
+    text-align: center;
+    width: 100px;
+    height: 35px;
+    line-height: 35px;
+    color: white;
+    &:hover {
+      background-color: #29516D;
+      text-decoration: none;
+      color: white;
+    }
+    .upload_button_text {
+      padding: 5px;
+    }
+  }
+}

app/controllers/application_controller.rb

@@ -2,4 +2,10 @@ class ApplicationController < ActionController::Base
   # Prevent CSRF attacks by raising an exception.
   # For APIs, you may want to use :null_session instead.
   protect_from_forgery with: :exception
+
+  helper_method :current_user
+
+  def current_user
+    @current_user = User.find_by_id(session[:user_id])
+  end
 end

app/controllers/categories_controller.rb

@@ -5,4 +5,8 @@ def index
     @categories = Category.roots
   end
 
+  def show
+    @category = Category.find params[:id]
+  end
+
 end

app/controllers/sessions_controller.rb

@@ -0,0 +1,23 @@
+class SessionsController < ApplicationController
+
+  def new
+    cas_hash = request.env["omniauth.auth"]
+
+    if User.find_by_username(cas_hash[:uid]).nil?
+      user = User.new(username: cas_hash[:uid], is_admin: 0, full_name: cas_hash[:uid])
+      user.save
+      session[:user_id] = user.id
+      redirect_to "/"
+    else
+      user = User.find_by_username(cas_hash[:uid])
+      flash[:notice] = "You have successfully logged in."
+      session[:user_id] = user.id
+      redirect_to "/"
+    end
+  end
+
+  def destroy
+    session[:user_id] = nil
+    redirect_to "/"
+  end
+end

app/controllers/users_controller.rb

@@ -1,2 +1,11 @@
 class UsersController < ApplicationController
+
+  def index
+    @users = User.all
+  end
+
+  def show
+    @user = User.find params[:id]
+  end
+
 end

app/models/category.rb

@@ -1,8 +1,50 @@
 class Category < ActiveRecord::Base
-  include ActsAsCategory
+  # Based on contributions from @bamnet on the 3.1 branch
 
-  acts_as_category :order_by => 'name', :hidden => 'private'
+  # Build a heirarchy of categories
+  belongs_to :parent, class_name: 'Category'
+  has_many :children, class_name: 'Category', foreign_key: 'parent_id'
 
-  validates_presence_of :name, :group_id, :user_id
+  # Find all categories serving as a root
+  scope :roots, -> { where(parent_id: nil) }
 
-end
+  # Is this category a root?
+  def is_root?
+    parent_id.nil?
+  end
+
+  # Collect a list of parent categories 
+  # Each category the monkey stops as he climbs up the tree
+  # Compliments of DHH http://github.com/rails/acts_as_tree
+  def ancestors
+    node, nodes = self, []
+    nodes << node = node.parent while node.parent
+    nodes
+  end
+
+  # Collect a list of children categories
+  # Each category the monkey could stop by as he climbs down a tree
+  # Compliments of http://github.com/funkensturm/acts_as_category
+  def descendants 
+    node, nodes = self, []
+    node.children.each { |child|
+      # Check for circular dependenciess
+      if !nodes.include?(child)
+        nodes += [child]
+        nodes += child.descendants
+      end
+    } unless node.children.empty?
+    nodes
+  end
+
+  # Figure out the tree's height
+  def depth 
+    ancestors.count
+  end
+
+  # The group of category who share a common parent
+  def self_and_siblings
+    parent ? parent.children : Category.roots
+  end
+
+end