Boris Dinkevich borisd

Images

Add image to User

Gui

Add a link to the sidebar to "Favorite cats"
Add like / unlike to cat's show page
Show like counter for each cat
Add 'mini-feed' to user's show page with first 3 cats and link to more

Create a new rails project "catz"

Git

In the beginning and after each successful step you make

Create model "User"

email: string

Some ruby comments

Spaces

You can't have space betwen function and open bracket

This is wrong: hello (params) (Notice the space !)
This is right: hello(params)
This is right: hello( params )

Learn !

Its very important to know Validations and Field types as we will use them alot in our code. Please take the time to read (or at least skim over) the validations list to see what kind of validations are possible.

Create a new model


	.media-grid {
	width: 100%;
	}

	.media-grid > li {
	float: left;
	display: block;
	margin-right: 20px;
	margin-bottom: 20px;

	<ul class="media-grid">
	<% @cats.each do \|cat\| %>
	<li class='thumbnail'>
	<%= link_to cat_path(cat) do %>
	<%= image_tag cat.image.url, alt: cat.name %>
	<% end %>
	<ul class="controls">
	<% if can_like?(cat) %><li><%= link_to 'Like', like_cat_path(cat), method: :post, :class => 'btn btn-mini' %></li><% end %>
	<% if can_unlike?(cat) %><li><%= link_to 'UnLike', unlike_cat_path(cat), method: :post, :class => 'btn btn-mini' %></li><% end %>
	<% if can_edit?(cat) %><li><%= link_to 'Edit', edit_cat_path(cat), :class => 'btn btn-mini' %></li><% end %>

	<h1>[username] details:</h1>

	<table>
	<tr>
	<th>Username</th>
	<td>[username]</td>
	</tr>
	<tr>
	<th>First name</th>
	<td>[first name]</td>

	<h1>User list</h1>

	<table>
	<tr>
	<th>Id</th>
	<th>Username</th>
	</tr>

	- For each user
	<tr>

	class Cat < ActiveRecord::Base
	attr_accessible :birthdate, :breed, :name

	BREEDS = [:arabean, :asian, :bengal, :persian]

	# Name must be present and between 5 and 20 characters
	validates :name, length: { in: 5..20 }

	# Breed must be one of the following: :arabean, :asian, :bengal, :persian
	validates :breed, inclusion: { in: BREEDS }


	# Validate AGE is above 16
	# Validate First Name is longer than 5 characters
	# Validate Username is unique

	class User < ActiveRecord::Base
	attr_accessible(:age, :first_name, :last_name, :username)

	validates :age, numericality: { greater_than: 16 }
	validates :first_name, length: { minimum: 5 }