Done with the app

app/controllers/microposts_controller.rb

@@ -0,0 +1,83 @@
+class MicropostsController < ApplicationController
+  # GET /microposts
+  # GET /microposts.xml
+  def index
+    @microposts = Micropost.all
+
+    respond_to do |format|
+      format.html # index.html.erb
+      format.xml  { render :xml => @microposts }
+    end
+  end
+
+  # GET /microposts/1
+  # GET /microposts/1.xml
+  def show
+    @micropost = Micropost.find(params[:id])
+
+    respond_to do |format|
+      format.html # show.html.erb
+      format.xml  { render :xml => @micropost }
+    end
+  end
+
+  # GET /microposts/new
+  # GET /microposts/new.xml
+  def new
+    @micropost = Micropost.new
+
+    respond_to do |format|
+      format.html # new.html.erb
+      format.xml  { render :xml => @micropost }
+    end
+  end
+
+  # GET /microposts/1/edit
+  def edit
+    @micropost = Micropost.find(params[:id])
+  end
+
+  # POST /microposts
+  # POST /microposts.xml
+  def create
+    @micropost = Micropost.new(params[:micropost])
+
+    respond_to do |format|
+      if @micropost.save
+        format.html { redirect_to(@micropost, :notice => 'Micropost was successfully created.') }
+        format.xml  { render :xml => @micropost, :status => :created, :location => @micropost }
+      else
+        format.html { render :action => "new" }
+        format.xml  { render :xml => @micropost.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  # PUT /microposts/1
+  # PUT /microposts/1.xml
+  def update
+    @micropost = Micropost.find(params[:id])
+
+    respond_to do |format|
+      if @micropost.update_attributes(params[:micropost])
+        format.html { redirect_to(@micropost, :notice => 'Micropost was successfully updated.') }
+        format.xml  { head :ok }
+      else
+        format.html { render :action => "edit" }
+        format.xml  { render :xml => @micropost.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /microposts/1
+  # DELETE /microposts/1.xml
+  def destroy
+    @micropost = Micropost.find(params[:id])
+    @micropost.destroy
+
+    respond_to do |format|
+      format.html { redirect_to(microposts_url) }
+      format.xml  { head :ok }
+    end
+  end
+end

app/controllers/users_controller.rb

@@ -0,0 +1,83 @@
+class UsersController < ApplicationController
+  # GET /users
+  # GET /users.xml
+  def index
+    @users = User.all
+
+    respond_to do |format|
+      format.html # index.html.erb
+      format.xml  { render :xml => @users }
+    end
+  end
+
+  # GET /users/1
+  # GET /users/1.xml
+  def show
+    @user = User.find(params[:id])
+
+    respond_to do |format|
+      format.html # show.html.erb
+      format.xml  { render :xml => @user }
+    end
+  end
+
+  # GET /users/new
+  # GET /users/new.xml
+  def new
+    @user = User.new
+
+    respond_to do |format|
+      format.html # new.html.erb
+      format.xml  { render :xml => @user }
+    end
+  end
+
+  # GET /users/1/edit
+  def edit
+    @user = User.find(params[:id])
+  end
+
+  # POST /users
+  # POST /users.xml
+  def create
+    @user = User.new(params[:user])
+
+    respond_to do |format|
+      if @user.save
+        format.html { redirect_to(@user, :notice => 'User was successfully created.') }
+        format.xml  { render :xml => @user, :status => :created, :location => @user }
+      else
+        format.html { render :action => "new" }
+        format.xml  { render :xml => @user.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  # PUT /users/1
+  # PUT /users/1.xml
+  def update
+    @user = User.find(params[:id])
+
+    respond_to do |format|
+      if @user.update_attributes(params[:user])
+        format.html { redirect_to(@user, :notice => 'User was successfully updated.') }
+        format.xml  { head :ok }
+      else
+        format.html { render :action => "edit" }
+        format.xml  { render :xml => @user.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /users/1
+  # DELETE /users/1.xml
+  def destroy
+    @user = User.find(params[:id])
+    @user.destroy
+
+    respond_to do |format|
+      format.html { redirect_to(users_url) }
+      format.xml  { head :ok }
+    end
+  end
+end

app/helpers/microposts_helper.rb

@@ -0,0 +1,2 @@
+module MicropostsHelper
+end

app/helpers/users_helper.rb

@@ -0,0 +1,2 @@
+module UsersHelper
+end

app/models/micropost.rb

@@ -0,0 +1,5 @@
+class Micropost < ActiveRecord::Base
+  belongs_to :user
+
+  validates :content, :length => {:maximum => 140 }
+end

app/models/user.rb

@@ -0,0 +1,3 @@
+class User < ActiveRecord::Base
+  has_many :microposts
+end

app/views/microposts/_form.html.erb

@@ -0,0 +1,25 @@
+<%= form_for(@micropost) do |f| %>
+  <% if @micropost.errors.any? %>
+    <div id="error_explanation">
+      <h2><%= pluralize(@micropost.errors.count, "error") %> prohibited this micropost from being saved:</h2>
+
+      <ul>
+      <% @micropost.errors.full_messages.each do |msg| %>
+        <li><%= msg %></li>
+      <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="field">
+    <%= f.label :content %><br />
+    <%= f.text_field :content %>
+  </div>
+  <div class="field">
+    <%= f.label :user_id %><br />
+    <%= f.text_field :user_id %>
+  </div>
+  <div class="actions">
+    <%= f.submit %>
+  </div>
+<% end %>

app/views/microposts/edit.html.erb

@@ -0,0 +1,6 @@
+<h1>Editing micropost</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Show', @micropost %> |
+<%= link_to 'Back', microposts_path %>

app/views/microposts/index.html.erb

@@ -0,0 +1,25 @@
+<h1>Listing microposts</h1>
+
+<table>
+  <tr>
+    <th>Content</th>
+    <th>User</th>
+    <th></th>
+    <th></th>
+    <th></th>
+  </tr>
+
+<% @microposts.each do |micropost| %>
+  <tr>
+    <td><%= micropost.content %></td>
+    <td><%= micropost.user_id %></td>
+    <td><%= link_to 'Show', micropost %></td>
+    <td><%= link_to 'Edit', edit_micropost_path(micropost) %></td>
+    <td><%= link_to 'Destroy', micropost, :confirm => 'Are you sure?', :method => :delete %></td>
+  </tr>
+<% end %>
+</table>
+
+<br />
+
+<%= link_to 'New Micropost', new_micropost_path %>

app/views/microposts/new.html.erb

@@ -0,0 +1,5 @@
+<h1>New micropost</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Back', microposts_path %>

app/views/microposts/show.html.erb

@@ -0,0 +1,15 @@
+<p id="notice"><%= notice %></p>
+
+<p>
+  <b>Content:</b>
+  <%= @micropost.content %>
+</p>
+
+<p>
+  <b>User:</b>
+  <%= @micropost.user_id %>
+</p>
+
+
+<%= link_to 'Edit', edit_micropost_path(@micropost) %> |
+<%= link_to 'Back', microposts_path %>

app/views/users/_form.html.erb

@@ -0,0 +1,25 @@
+<%= form_for(@user) do |f| %>
+  <% if @user.errors.any? %>
+    <div id="error_explanation">
+      <h2><%= pluralize(@user.errors.count, "error") %> prohibited this user from being saved:</h2>
+
+      <ul>
+      <% @user.errors.full_messages.each do |msg| %>
+        <li><%= msg %></li>
+      <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="field">
+    <%= f.label :name %><br />
+    <%= f.text_field :name %>
+  </div>
+  <div class="field">
+    <%= f.label :email %><br />
+    <%= f.text_field :email %>
+  </div>
+  <div class="actions">
+    <%= f.submit %>
+  </div>
+<% end %>

app/views/users/edit.html.erb

@@ -0,0 +1,6 @@
+<h1>Editing user</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Show', @user %> |
+<%= link_to 'Back', users_path %>

app/views/users/index.html.erb

@@ -0,0 +1,25 @@
+<h1>Listing users</h1>
+
+<table>
+  <tr>
+    <th>Name</th>
+    <th>Email</th>
+    <th></th>
+    <th></th>
+    <th></th>
+  </tr>
+
+<% @users.each do |user| %>
+  <tr>
+    <td><%= user.name %></td>
+    <td><%= user.email %></td>
+    <td><%= link_to 'Show', user %></td>
+    <td><%= link_to 'Edit', edit_user_path(user) %></td>
+    <td><%= link_to 'Destroy', user, :confirm => 'Are you sure?', :method => :delete %></td>
+  </tr>
+<% end %>
+</table>
+
+<br />
+
+<%= link_to 'New User', new_user_path %>

app/views/users/new.html.erb

@@ -0,0 +1,5 @@
+<h1>New user</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Back', users_path %>

app/views/users/show.html.erb

@@ -0,0 +1,15 @@
+<p id="notice"><%= notice %></p>
+
+<p>
+  <b>Name:</b>
+  <%= @user.name %>
+</p>
+
+<p>
+  <b>Email:</b>
+  <%= @user.email %>
+</p>
+
+
+<%= link_to 'Edit', edit_user_path(@user) %> |
+<%= link_to 'Back', users_path %>

config/routes.rb

@@ -1,4 +1,8 @@
 DemoApp::Application.routes.draw do
+  resources :microposts
+
+  resources :users
+
   # The priority is based upon order of creation:
   # first created -> highest priority.
 

db/migrate/20101029210715_create_users.rb

@@ -0,0 +1,14 @@
+class CreateUsers < ActiveRecord::Migration
+  def self.up
+    create_table :users do |t|
+      t.string :name
+      t.string :email
+
+      t.timestamps
+    end
+  end
+
+  def self.down
+    drop_table :users
+  end
+end

db/migrate/20101029213703_create_microposts.rb

@@ -0,0 +1,14 @@
+class CreateMicroposts < ActiveRecord::Migration
+  def self.up
+    create_table :microposts do |t|
+      t.string :content
+      t.integer :user_id
+
+      t.timestamps
+    end
+  end
+
+  def self.down
+    drop_table :microposts
+  end
+end