fresh5447

def sort_by_length(sort_this_array)
    sort_this_array.sort {|x,y| x.length <=> y.length}
end

def filter(filter_this_array)
    filter_this_array.select {|num| num > 5}
end


filter([1, 3, 7, 8])

fresh5447

class Shape
  attr_accessor :color
  
  def initialize(color = nil)
    @color = color || 'Red'
  end 
  
  def larger_than?(other)
    self.area > other.area
  end

fresh5447

class User < ActiveRecord::Base
  # Include default devise modules. Others available are:
  # :confirmable, :lockable, :timeoutable and :omniauthable
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :trackable, :validatable, :confirmable

  # Setup accessible (or protected) attributes for your model
  attr_accessible :email, :password, :password_confirmation, :remember_me, :name,
  has_many :posts

fresh5447

<h1>Welcome to Freshitoff</h1>
<p>A simple application for createing To-Do lists.</p>

<div class="btn-group-vertical">
<% @todos.each do |todo| %>
  <button type="button" class="btn btn-default"><%= todo.description %></button>
<% end %>
</div>

<ul class="nav nav-pills">

fresh5447

<h1>My wikis</h1>
<div class="row">
<% if policy(Wiki.new).create? %> <%#added policy instead of if user %>
  <%= link_to 'New', new_wiki_path, class: 'btn btn-primary btn-large' %>
<% end %>

<% if current_user.role?("free") %>
  <h2><%= link_to "Upgrade Account", new_charge_path, class: 'btn btn-primary btn-large' %></h2>
  </div>
<% end %>

fresh5447

class WikiPolicy < Struct.new(:user, :wiki)
  
  def update?
    if user.role?(:admin)
        scope.all
    elsif user.role?(:premium)
        wiki.user == user || wiki.collaborators.map{|collab| collab.user}.include?(user) || !wiki.private?
    else
        scope.where(:private => false)
    end

fresh5447

class WikisController < ApplicationController
  
  before_action :set_wiki, only: [:show, :edit, :update, :destroy]

  # GET /wikis
  # GET /wikis.json
  def index
    @wikis = policy_scope(Wiki)
  end

fresh5447

class WikiPolicy < ApplicationPolicy
  
  class Scope < Struct.new(:user, :scope)
    def resolve
      if user.admin?
        scope.all
      else
        scope.where(user: user)
      end
    end

fresh5447

<h1>My wikis</h1>
<div class="row">
<% if policy(Wiki.new).create? %> <%#added policy instead of if user %>
  <%= link_to 'New', new_wiki_path, class: 'btn btn-primary btn-large' %>
<% end %>

<% if current_user.role?("free") %>
  <h2><%= link_to "Upgrade Account", new_charge_path, class: 'btn btn-primary btn-large' %></h2>
  </div>
<% end %>

fresh5447

class WikiPolicy < ApplicationPolicy
  
  class Scope < Struct.new(:user, :scope)
    def resolve
      if user.admin?
        scope.all
      else
        scope.where(user: user)
      end
    end