@@ -758,15 +758,11 @@ def index
respond_to do |format|
format.html # index.html.erb
- format.json { render json: @posts }
+ format.json { render :json => @posts }
end
end
-TIP: This Guide was written using Ruby 1.9.2. If you are using Ruby 1.8.7, some of
-the syntax may look slightly different. For example, the hash syntax changed from
-render :json => @posts (1.8.7) to render json: @posts (1.9.2).
-
+Post.all+ calls the all method on the +Post+ model, which returns all of
the posts currently in the database. The result of this call is an array
of Post records that we store in an instance variable called +@posts+.
@@ -801,7 +797,8 @@ Here's +app/views/posts/index.html.erb+:
<%= post.content %> |
<%= link_to 'Show', post %> |
<%= link_to 'Edit', edit_post_path(post) %> |
- <%= link_to 'Destroy', post, confirm: 'Are you sure?', method: :delete %> |
+ <%= link_to 'Destroy', post, :confirm => 'Are you sure?',
+ :method => :delete %> |
<% end %>
@@ -869,7 +866,7 @@ def new
respond_to do |format|
format.html # new.html.erb
- format.json { render json: @post }
+ format.json { render :json => @post }
end
end
@@ -961,11 +958,14 @@ def create
respond_to do |format|
if @post.save
- format.html { redirect_to @post, notice: 'Post was successfully created.' }
- format.json { render json: @post, status: :created, location: @post }
+ format.html { redirect_to(@post,
+ :notice => 'Post was successfully created.') }
+ format.json { render :json => @post,
+ :status => :created, :location => @post }
else
- format.html { render action: "new" }
- format.json { render json: @post.errors, status: :unprocessable_entity }
+ format.html { render :action => "new" }
+ format.json { render :json => @post.errors,
+ :status => :unprocessable_entity }
end
end
end
@@ -1003,8 +1003,8 @@ def show
@post = Post.find(params[:id])
respond_to do |format|
- format.html # show.html.erb
- format.json { render json: @post }
+ format.html # show.html.erb
+ format.json { render :json => @post }
end
end
@@ -1073,11 +1073,13 @@ def update
respond_to do |format|
if @post.update_attributes(params[:post])
- format.html { redirect_to @post, notice: 'Post was successfully updated.' }
- format.json { head :ok }
+ format.html { redirect_to(@post,
+ :notice => 'Post was successfully updated.') }
+ format.json { render :json => {}, :status => :ok }
else
- format.html { render action: "edit" }
- format.json { render json: @post.errors, status: :unprocessable_entity }
+ format.html { render :action => "edit" }
+ format.json { render :json => @post.errors,
+ :status => :unprocessable_entity }
end
end
end
@@ -1213,9 +1215,9 @@ You'll need to edit the +post.rb+ file to add the other side of the association:
class Post < ActiveRecord::Base
- validates :name, presence: true
- validates :title, presence: true,
- length: { :minimum: 5 }
+ validates :name, :presence => true
+ validates :title, :presence => true,
+ :length => { :minimum => 5 }
has_many :comments
end
@@ -1557,8 +1559,8 @@ So first, let's add the delete link in the
<%= link_to 'Destroy Comment', [comment.post, comment],
- confirm: 'Are you sure?',
- method: :delete %>
+ :confirm => 'Are you sure?',
+ :method => :delete %>
@@ -1600,10 +1602,10 @@ model, +app/models/post.rb+, as follows:
class Post < ActiveRecord::Base
- validates :name, presence: true
- validates :title, presence: true,
- length: {minimum: 5}
- has_many :comments, dependent: :destroy
+ validates :name, :presence => true
+ validates :title, :presence => true,
+ :length => { :minimum => 5 }
+ has_many :comments, :dependent => :destroy
end
@@ -1627,7 +1629,7 @@ action, except for +index+ and +show+, so we write that:
class PostsController < ApplicationController
- http_basic_authenticate_with name: "dhh", password: "secret", except: [:index, :show]
+ http_basic_authenticate_with :name => "dhh", :password => "secret", :except => [:index, :show]
# GET /posts
# GET /posts.json
@@ -1643,7 +1645,7 @@ We also only want to allow authenticated users to delete comments, so in the
class CommentsController < ApplicationController
- http_basic_authenticate_with name: "dhh", password: "secret", only: :destroy
+ http_basic_authenticate_with :name => "dhh", :password => "secret", :only => :destroy
def create
@post = Post.find(params[:post_id])
@@ -1681,14 +1683,15 @@ edit tags via posts:
class Post < ActiveRecord::Base
- validates :name, presence: true
- validates :title, presence: true,
- length: {minimum: 5}
- has_many :comments, dependent: :destroy
+ validates :name, :presence => true
+ validates :title, :presence => true,
+ :length => { :minimum => 5 }
+
+ has_many :comments, :dependent => :destroy
has_many :tags
- accepts_nested_attributes_for :tags, allow_destroy: :true,
- reject_if: proc { |attrs| attrs.all? { |k, v| v.blank? } }
+ accepts_nested_attributes_for :tags, :allow_destroy => :true,
+ :reject_if => proc { |attrs| attrs.all? { |k, v| v.blank? } }
end
@@ -1726,9 +1729,8 @@ We will modify +views/posts/_form.html.erb+ to render a partial to make a tag:
<%= post_form.text_area :content %>
Tags
- <%= render partial: 'tags/form',
- locals: {form: post_form} %>
-
+ <%= render :partial => 'tags/form',
+ :locals => {:form => post_form} %>
<%= post_form.submit %>