Initial implementation of admin console and site settings

Gemfile

@@ -21,6 +21,7 @@ gem 'aws-sdk'
 gem 'paperclip'
 gem 'remotipart'
 gem 'jquery-rails'
+gem 'enumerize'
 
 # Making the world a better, more stable place
 gem 'airbrake'
@@ -42,6 +43,7 @@ group :development do
   gem 'awesome_print'
   gem 'better_errors'
   gem 'binding_of_caller'
+  gem 'debugger'
 end
 
 group :test do

Gemfile.lock

@@ -74,9 +74,17 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.4.0)
+    columnize (0.3.6)
     cookiejar (0.3.0)
     daemons (1.1.9)
     database_cleaner (0.9.1)
+    debugger (1.2.3)
+      columnize (>= 0.3.1)
+      debugger-linecache (~> 1.1.1)
+      debugger-ruby_core_source (~> 1.1.5)
+    debugger-linecache (1.1.2)
+      debugger-ruby_core_source (>= 1.1.1)
+    debugger-ruby_core_source (1.1.6)
     devise (1.5.3)
       bcrypt-ruby (~> 3.0)
       orm_adapter (~> 0.0.3)
@@ -98,6 +106,8 @@ GEM
       http_parser.rb (>= 0.5.3)
     em-socksify (0.2.1)
       eventmachine (>= 1.0.0.beta.4)
+    enumerize (0.5.1)
+      activesupport (>= 3.2)
     erubis (2.7.0)
     eventmachine (1.0.0)
     execjs (1.4.0)
@@ -271,9 +281,11 @@ DEPENDENCIES
   cloudfuji
   coffee-rails
   database_cleaner
+  debugger
   devise
   devise_cloudfuji_authenticatable
   eco
+  enumerize
   execjs
   factory_girl_rails
   faker

app/assets/javascripts/admin/admin.js.coffee

@@ -0,0 +1,2 @@
+$(document).ready ->
+

app/assets/javascripts/application.js

@@ -19,5 +19,6 @@
 //= require lib/backbone
 //= require backbone/kandan
 //= require_tree .
+//= stub admin/admin
 //= require lib/jquery.atwho
 //= require lib/jquery.caret

app/assets/javascripts/backbone/kandan.js.coffee.erb

@@ -123,29 +123,13 @@ window.Kandan =
       Kandan.Plugins.Mentions.initUsersMentions(Kandan.Helpers.ActiveUsers.all())
       return
 
-  setCurrentUser: ()->
-    template = JST['current_user']
-    currentUser = Kandan.Helpers.Users.currentUser()
-    displayName =   "#{currentUser.first_name} #{currentUser.last_name}" if currentUser.first_name?
-    displayName ||= currentUser.email
-    $(".header .user").html template({
-      gravatarHash: currentUser.gravatar_hash,
-      name: displayName
-    })
-
   registerUtilityEvents: ()->
     window.setInterval(=>
       for el in $(".posted_at")
         $(el).text (new Date($(el).data("timestamp"))).toRelativeTime(@options.nowThreshold)
     , @options.timestampRefreshInterval)
 
-    $(".user_menu_link").click (e)->
-      e.preventDefault()
-      $(".user_menu").toggle()
-      false
-
   init: ->
-    @setCurrentUser()
     channels = new Kandan.Collections.Channels()
     channels.fetch({
       success: (channelsCollection)=>

app/assets/javascripts/layout.js.coffee

@@ -0,0 +1,5 @@
+$(document).ready ->
+	$(".user_menu_link").click (e)->
+      e.preventDefault()
+      $(".user_menu").toggle()
+      false

app/controllers/admin/admin_controller.rb

@@ -0,0 +1,27 @@
+module Admin
+  class AdminController < BaseController
+
+  	def index
+  		@settings = Setting.my_settings
+  		@all_users = User.find(:all, :conditions => ["id != ?", current_user.id])
+
+  		# Note that this reject! will remove users from all_users in order to show users in 2 different tables
+  		@waiting_for_approval_users = @all_users.reject!{|user| user.status.waiting_approval? } || []
+  	end
+
+  	def update
+
+  		max_rooms = params[:setting][:max_rooms].to_i
+  		public_site = params[:setting][:public_site] == "1"
+
+  		Setting.set_values(:max_rooms => max_rooms, :public_site => public_site)
+
+  		redirect_to :admin_root
+  	end
+
+  	def update_users
+
+  	end
+
+  end
+end

app/controllers/admin/base_controller.rb

@@ -0,0 +1,12 @@
+module Admin
+  class BaseController < ApplicationController
+   before_filter :authenticate_admin!
+
+   private
+
+   def authenticate_admin!
+   	redirect_to root_url unless current_user.try(:is_admin?)
+   end
+
+  end
+end

app/helpers/admin/admin_helper.rb

@@ -0,0 +1,9 @@
+module Admin::AdminHelper
+	def user_status user
+		"<div class='#{user.status}'>#{user.status}</div>".html_safe
+	end
+
+	def user_action user
+
+	end
+end

app/models/setting.rb

@@ -0,0 +1,63 @@
+class Setting < ActiveRecord::Base
+  attr_accessible :values
+  serialize :values, Hash
+
+  before_create :set_default_values
+  before_create :ensure_only_one_settings
+  before_destroy :ensure_only_one_settings
+
+  before_save :validate_max_rooms, :validate_public_site
+
+  def max_rooms
+  	self.values[:max_rooms]
+  end
+
+  def public_site?
+  	self.values[:public_site]
+  end
+
+  alias_method :public_site, :public_site?
+
+  def set_default_values
+  	self.values.merge!(self.class.default_values)
+  end
+
+  def ensure_only_one_settings
+  	return false if Setting.count >= 1
+  end
+
+  # Making sure the max_rooms is an integer and is never less than the current number of rooms
+  def validate_max_rooms
+  	self.values[:max_rooms].is_a?(Integer) && self.values[:max_rooms] >= Channel.count unless self.new_record?
+  end
+
+  # Making sure the public site is a boolean
+  def validate_public_site
+  	!!self.values[:public_site] == self.values[:public_site] unless self.new_record?
+  end
+
+  def self.default_values
+  	return {:max_rooms => 99, :public_site => false }
+  end
+
+  # Helper methods to be used while we don't need to deal with multi-tenancy
+  def self.my_settings
+  	self.first_or_create
+  end
+
+  def self.get_value(k)
+  	setting = self.my_settings
+  	setting.values[k]
+  end
+
+  def self.set_values(values)
+  	setting = self.my_settings
+
+  	values.each do |k,v|
+  		setting.values[k.to_sym] = v
+  	end
+
+  	setting.save!
+  end
+
+end

app/models/user.rb

@@ -1,10 +1,20 @@
 class User < ActiveRecord::Base
+  extend Enumerize
+
+  # Being pesimistic here and making the default waiting for approval for security reasons
+  enumerize :status, in: [:active, :suspended, :waiting_approval], :default => :waiting_approval
 
   has_many :activities
   before_save :ensure_authentication_token
   before_save :ensure_gravatar_hash
+  before_save :mark_status_depending_on_app_settings
 
+  after_create :ensure_at_least_one_admin
+  after_destroy :ensure_at_least_one_admin
+
   validates :username, :presence => true, :uniqueness => true
+  validates :first_name, :presence => true
+  validates :last_name, :presence => true
 
 
   # Kandan.devise_modules is defined in config/initializers/kandan.rb
@@ -13,17 +23,40 @@ class User < ActiveRecord::Base
   # Setup accessible (or protected) attributes for your model
   attr_accessible :id, :username, :email, :password, :password_confirmation, :remember_me, :first_name, :last_name, :locale, :gravatar_hash
 
+  def full_name
+    "#{self.first_name.to_s} #{self.last_name.to_s}".titlecase
+  end
+
+  def full_name_or_username
+    self.full_name.blank? ? self.username : self.full_name
+  end
+
   def cloudfuji_extra_attributes(extra_attributes)
     self.first_name = extra_attributes["first_name"].to_s
     self.last_name  = extra_attributes["last_name"].to_s
     self.email      = extra_attributes["email"]
     self.locale     = extra_attributes["locale"]
   end
 
+  # Callback to mark the user status depending on the settings of the app
+  def mark_status_depending_on_app_settings
+    # If the site is public we will make the user active. Otherwise we will make the user as waiting_approval
+    self.status = Setting.my_settings.public_site? ? :active : :waiting_approval
+  end
+
   def ensure_gravatar_hash
     self.gravatar_hash = Digest::MD5.hexdigest self.email
   end
 
+  # We never want an app without an admin so let's ensure there is at least one user
+  def ensure_at_least_one_admin
+    if User.count == 1
+      u = User.first
+      u.is_admin = true
+      u.save!
+    end
+  end
+
   def active_for_authentication?
     super && active?
   end

app/views/admin/admin/index.html.erb

@@ -0,0 +1,99 @@
+<% content_for :javascript_includes do %>
+	<%= javascript_include_tag "admin/admin" %>
+<% end %>
+
+<div class="admin-main-area">
+	<%= form_for @settings, :url => admin_update_path do |f| %>
+	  <%= f.label :max_rooms, 'Max number of rooms' %>:
+	  <%= f.text_field :max_rooms %><br />
+	  <%= f.label :public_site, 'Is this a public site?' %>:
+	  <%= f.check_box :public_site %><br />
+	  <%= f.submit %>
+	<% end %>
+
+	<div class="waiting-for-approval-users">
+		<% if @waiting_for_approval_users.any? %>
+			<table cellspacing="0" cellpadding="0" border="0">
+				<thead>
+					<tr>
+						<th class="">Username</th>
+						<th class="">First Name</th>
+						<th class="">Last Name</th>
+						<th class="">Email</th>
+						<th class="">Status</th>
+						<th class="">Action</th>
+					</tr>
+				</thead>
+				<tbody>
+					<% @all_users.each do |user| %>
+						<tr class="<%= cycle('odd', 'even')%>" data-user-id="<%= user.id%>">
+							<td>
+								<%= user.username %>
+							</td>
+							<td>
+								<%= user.first_name %>
+							</td>
+							<td>
+								<%= user.last_name %>
+							</td>
+							<td>
+								<%= user.email %>
+							</td>
+							<td>
+								<%= user_status(user) %>
+							</td>
+							<td>
+
+							</td>
+						</tr>
+					<% end %>
+				</tbody>
+			</table>
+		<% else %>
+			<div>There are no users. Invite others to join Kandan!</div>
+		<% end %>
+	</div>
+
+	<div class="approved-users">
+		<% if @all_users.any? %>
+			<table cellspacing="0" cellpadding="0" border="0">
+				<thead>
+					<tr>
+						<th class="">Username</th>
+						<th class="">First Name</th>
+						<th class="">Last Name</th>
+						<th class="">Email</th>
+						<th class="">Status</th>
+						<th class="">Action</th>
+					</tr>
+				</thead>
+				<tbody>
+					<% @all_users.each do |user| %>
+						<tr class="<%= cycle('odd', 'even')%>" data-user-id="<%= user.id%>">
+							<td>
+								<%= user.username %>
+							</td>
+							<td>
+								<%= user.first_name %>
+							</td>
+							<td>
+								<%= user.last_name %>
+							</td>
+							<td>
+								<%= user.email %>
+							</td>
+							<td>
+								<%= user_status(user) %>
+							</td>
+							<td>
+
+							</td>
+						</tr>
+					<% end %>
+				</tbody>
+			</table>
+		<% else %>
+			<div>There are no users. Invite others to join Kandan!</div>
+		<% end %>
+	</div>
+</div>

app/views/devise/registrations/edit.html.erb

@@ -5,6 +5,12 @@
 <%= form_for(resource, :as => resource_name, :url => registration_path(resource_name), :html => { :method => :put }) do |f| %>
   <%= devise_error_messages! %>
 
+  <p><%= f.label :first_name %><br />
+  <%= f.text_field :first_name %></p>
+
+  <p><%= f.label :last_name %><br />
+  <%= f.text_field :last_name %></p>
+
   <p><%= f.label :email %><br />
   <%= f.email_field :email %></p>