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Merge branch 'master' of github.com:lifo/docrails

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2 parents bb0906e + 8189536 commit 4a3ce153f1e05c9c590e9ee74e818649336d929f @vijaydev vijaydev committed Apr 25, 2012
@@ -64,6 +64,9 @@ module DateHelper
# distance_of_time_in_words(to_time, from_time, true) # => about 6 years
# distance_of_time_in_words(Time.now, Time.now) # => less than a minute
#
+ # distance_of_time_in_words(70) # => 1 minute
+ # distance_of_time_in_words(60*60) # => about 1 hour
+ #
def distance_of_time_in_words(from_time, to_time = 0, include_seconds = false, options = {})
from_time = from_time.to_time if from_time.respond_to?(:to_time)
to_time = to_time.to_time if to_time.respond_to?(:to_time)
@@ -902,7 +902,7 @@ def text_area(object_name, method, options = {})
# # Let's say that @post.validated? is 1:
# check_box("post", "validated")
# # => <input name="post[validated]" type="hidden" value="0" />
- # # <input type="checkbox" id="post_validated" name="post[validated]" value="1" />
+ # # <input checked="checked" type="checkbox" id="post_validated" name="post[validated]" value="1" />
#
# # Let's say that @puppy.gooddog is "no":
# check_box("puppy", "gooddog", {}, "yes", "no")
View
@@ -26,7 +26,7 @@ to integrate with Action Pack out of the box: <tt>ActiveModel::Model</tt>.
person = Person.new(:name => 'bob', :age => '18')
person.name # => 'bob'
person.age # => 18
- person.valid? # => false
+ person.valid? # => true
It includes model name introspections, conversions, translations and
validations, resulting in a class suitable to be used with Action Pack.
@@ -116,9 +116,6 @@ behavior out of the box:
person.errors.full_messages
# => ["Name can not be nil"]
- person.errors.full_messages
- # => ["Name can not be nil"]
-
{Learn more}[link:classes/ActiveModel/Errors.html]
* Model name introspection
@@ -58,7 +58,8 @@ def authenticate(unencrypted_password)
BCrypt::Password.new(password_digest) == unencrypted_password && self
end
- # Encrypts the password into the password_digest attribute.
+ # Encrypts the password into the password_digest attribute, only if the
+ # new password is not blank.
def password=(unencrypted_password)
unless unencrypted_password.blank?
@password = unencrypted_password
@@ -26,17 +26,18 @@ module ActiveModel
# person.serializable_hash # => {"name"=>"Bob"}
#
# You need to declare an attributes hash which contains the attributes
- # you want to serialize. When called, serializable hash will use
+ # you want to serialize. Attributes must be strings, not symbols.
+ # When called, serializable hash will use
# instance methods that match the name of the attributes hash's keys.
# In order to override this behavior, take a look at the private
- # method read_attribute_for_serialization.
+ # method +read_attribute_for_serialization+.
#
# Most of the time though, you will want to include the JSON or XML
# serializations. Both of these modules automatically include the
- # ActiveModel::Serialization module, so there is no need to explicitly
+ # +ActiveModel::Serialization+ module, so there is no need to explicitly
# include it.
#
- # So a minimal implementation including XML and JSON would be:
+ # A minimal implementation including XML and JSON would be:
#
# class Person
# include ActiveModel::Serializers::JSON
@@ -63,7 +64,12 @@ module ActiveModel
# person.to_json # => "{\"name\":\"Bob\"}"
# person.to_xml # => "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<serial-person...
#
- # Valid options are <tt>:only</tt>, <tt>:except</tt> and <tt>:methods</tt> .
+ # Valid options are <tt>:only</tt>, <tt>:except</tt>, <tt>:methods</tt> and <tt>include</tt>.
+ # The following are all valid examples:
+ #
+ # person.serializable_hash(:only => 'name')
+ # person.serializable_hash(:include => :address)
+ # person.serializable_hash(:include => { :address => { :only => 'city' }})
module Serialization
def serializable_hash(options = nil)
options ||= {}
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@@ -21,4 +21,18 @@ def create
render 'new'
end
end
+
+ def edit
+ @post = Post.find(params[:id])
+ end
+
+ def update
+ @post = Post.find(params[:id])
+
+ if @post.update_attributes(params[:post])
+ redirect_to :action => :show, :id => @post.id
+ else
+ render 'edit'
+ end
+ end
end
@@ -1,4 +1,4 @@
-<%= form_for :post, :url => { :action => :create } do |f| %>
+<%= form_for :post, :url => { :action => :update, :id => @post.id }, :method => :put do |f| %>
<% if @post.errors.any? %>
<div id="errorExplanation">
<h2><%= pluralize(@post.errors.count, "error") %> prohibited this post from being saved:</h2>
@@ -2,5 +2,4 @@
<%= render 'form' %>
-<%= link_to 'Show', @post %> |
-<%= link_to 'Back', posts_path %>
+<%= link_to 'Back', :action => :index %>
@@ -7,13 +7,15 @@
<th>Title</th>
<th>Text</th>
<th></th>
+ <th></th>
</tr>
<% @posts.each do |post| %>
<tr>
<td><%= post.title %></td>
<td><%= post.text %></td>
<td><%= link_to 'Show', :action => :show, :id => post.id %>
+ <td><%= link_to 'Edit', :action => :edit, :id => post.id %>
</tr>
<% end %>
</table>
@@ -9,3 +9,4 @@
</p>
<%= link_to 'Back', :action => :index %>
+| <%= link_to 'Edit', :action => :edit, :id => @post.id %>
@@ -7,6 +7,8 @@
get "posts/new"
post "posts/create"
get "posts/:id" => "posts#show"
+ get "posts/:id/edit" => "posts#edit"
+ put "posts/:id/update" => "posts#update"
# The priority is based upon order of creation:
# first created -> highest priority.
@@ -388,6 +388,8 @@ The field name can also be a string:
Client.where('locked' => true)
</ruby>
+NOTE: The values cannot be symbols. For example, you cannot do +Client.where(:status => :active)+.
+
h5(#hash-range_conditions). Range Conditions
The good thing about this is that we can pass in a range for our fields without it generating a large query as shown in the preamble of this section.
@@ -451,6 +451,27 @@ Adds a specified source to +Gemfile+:
add_source "http://gems.github.com"
</ruby>
+h4. +inject_into_file+
+
+Injects a block of code into a defined position in your file.
+
+<ruby>
+inject_into_file 'name_of_file.rb', :after => "#The code goes below this line. Don't forget the Line break at the end\n" do <<-'RUBY'
+ puts "Hello World"
+RUBY
+end
+</ruby>
+
+h4. +gsub_file+
+
+Replaces text inside a file.
+
+<ruby>
+gsub_file 'name_of_file.rb', 'method.to_be_replaced', 'method.the_replacing_code'
+</ruby
+
+Regular Expressions can be used to make this method more precise. You can also use append_file and prepend_file in the same way to place code at the beginning and end of a file respectively.
+
h4. +application+
Adds a line to +config/application.rb+ directly after the application class definition.
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