adding episode 185

episode-185/README

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+Railscasts Episode #185: Formtastic Part 2
+
+http://railscasts.com/episodes/185
+
+Commands
+
+  script/generate nifty_scaffold problem name:string
+  rake db:migrate
+  script/generate nifty_scaffold symptom animal_id:integer problem_id:integer --skip-controller

episode-185/vet/.gitignore

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+log/*.log
+tmp/**/*
+*.sqlite3

episode-185/vet/README

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+Example application for Railscasts episode.

episode-185/vet/Rakefile

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+# Add your own tasks in files placed in lib/tasks ending in .rake,
+# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+
+require(File.join(File.dirname(__FILE__), 'config', 'boot'))
+
+require 'rake'
+require 'rake/testtask'
+require 'rake/rdoctask'
+
+require 'tasks/rails'

episode-185/vet/app/controllers/animals_controller.rb

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+class AnimalsController < ApplicationController
+  def index
+    @animals = Animal.all
+  end
+
+  def show
+    @animal = Animal.find(params[:id])
+  end
+
+  def new
+    @animal = Animal.new
+  end
+
+  def create
+    @animal = Animal.new(params[:animal])
+    if @animal.save
+      flash[:notice] = "Successfully created animal."
+      redirect_to @animal
+    else
+      render :action => 'new'
+    end
+  end
+
+  def edit
+    @animal = Animal.find(params[:id])
+  end
+
+  def update
+    @animal = Animal.find(params[:id])
+    if @animal.update_attributes(params[:animal])
+      flash[:notice] = "Successfully updated animal."
+      redirect_to @animal
+    else
+      render :action => 'edit'
+    end
+  end
+
+  def destroy
+    @animal = Animal.find(params[:id])
+    @animal.destroy
+    flash[:notice] = "Successfully destroyed animal."
+    redirect_to animals_url
+  end
+end

episode-185/vet/app/controllers/application_controller.rb

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+# Filters added to this controller apply to all controllers in the application.
+# Likewise, all the methods added will be available for all controllers.
+
+class ApplicationController < ActionController::Base
+  helper :all # include all helpers, all the time
+  protect_from_forgery # See ActionController::RequestForgeryProtection for details
+
+  # Scrub sensitive parameters from your log
+  # filter_parameter_logging :password
+end

episode-185/vet/app/controllers/categories_controller.rb

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+class CategoriesController < ApplicationController
+  def index
+    @categories = Category.all
+  end
+
+  def show
+    @category = Category.find(params[:id])
+  end
+
+  def new
+    @category = Category.new
+  end
+
+  def create
+    @category = Category.new(params[:category])
+    if @category.save
+      flash[:notice] = "Successfully created category."
+      redirect_to @category
+    else
+      render :action => 'new'
+    end
+  end
+
+  def edit
+    @category = Category.find(params[:id])
+  end
+
+  def update
+    @category = Category.find(params[:id])
+    if @category.update_attributes(params[:category])
+      flash[:notice] = "Successfully updated category."
+      redirect_to @category
+    else
+      render :action => 'edit'
+    end
+  end
+
+  def destroy
+    @category = Category.find(params[:id])
+    @category.destroy
+    flash[:notice] = "Successfully destroyed category."
+    redirect_to categories_url
+  end
+end

episode-185/vet/app/controllers/problems_controller.rb

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+class ProblemsController < ApplicationController
+  def index
+    @problems = Problem.all
+  end
+
+  def show
+    @problem = Problem.find(params[:id])
+  end
+
+  def new
+    @problem = Problem.new
+  end
+
+  def create
+    @problem = Problem.new(params[:problem])
+    if @problem.save
+      flash[:notice] = "Successfully created problem."
+      redirect_to @problem
+    else
+      render :action => 'new'
+    end
+  end
+
+  def edit
+    @problem = Problem.find(params[:id])
+  end
+
+  def update
+    @problem = Problem.find(params[:id])
+    if @problem.update_attributes(params[:problem])
+      flash[:notice] = "Successfully updated problem."
+      redirect_to @problem
+    else
+      render :action => 'edit'
+    end
+  end
+
+  def destroy
+    @problem = Problem.find(params[:id])
+    @problem.destroy
+    flash[:notice] = "Successfully destroyed problem."
+    redirect_to problems_url
+  end
+end

episode-185/vet/app/helpers/animals_helper.rb

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+module AnimalsHelper
+end

episode-185/vet/app/helpers/application_helper.rb

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+# Methods added to this helper will be available to all templates in the application.
+module ApplicationHelper
+end

episode-185/vet/app/helpers/categories_helper.rb

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+module CategoriesHelper
+end

episode-185/vet/app/helpers/layout_helper.rb

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+# These helper methods can be called in your template to set variables to be used in the layout
+# This module should be included in all views globally,
+# to do so you may need to add this line to your ApplicationController
+#   helper :layout
+module LayoutHelper
+  def title(page_title, show_title = true)
+    @content_for_title = page_title.to_s
+    @show_title = show_title
+  end
+
+  def show_title?
+    @show_title
+  end
+
+  def stylesheet(*args)
+    content_for(:head) { stylesheet_link_tag(*args) }
+  end
+
+  def javascript(*args)
+    content_for(:head) { javascript_include_tag(*args) }
+  end
+end

episode-185/vet/app/helpers/problems_helper.rb

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+module ProblemsHelper
+end

episode-185/vet/app/models/animal.rb

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+class Animal < ActiveRecord::Base
+  attr_accessible :name, :category_id, :born_on, :female, :problem_ids
+  belongs_to :category
+  has_many :symptoms
+  has_many :problems, :through => :symptoms
+  validates_presence_of :name, :born_on
+end

episode-185/vet/app/models/category.rb

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+class Category < ActiveRecord::Base
+  attr_accessible :name, :description
+  has_many :animals
+end

episode-185/vet/app/models/problem.rb

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+class Problem < ActiveRecord::Base
+  attr_accessible :name
+  has_many :symptoms
+  has_many :animals, :through => :symptoms
+end

episode-185/vet/app/models/symptom.rb

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+class Symptom < ActiveRecord::Base
+  attr_accessible :animal_id, :problem_id
+  belongs_to :animial
+  belongs_to :problem
+end

episode-185/vet/app/views/animals/_form.html.erb

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+<% semantic_form_for @animal do |f| %>
+  <%= f.error_messages %>
+  <% f.inputs do %>
+    <%= f.input :name, :hint => "Use the owner's name if none is provided" %>
+    <%= f.input :born_on, :start_year => 1900 %>
+    <%= f.input :category, :include_blank => false %>
+    <%= f.input :female, :as => :radio, :label => "Gender", :collection => [["Male", false], ["Female", true]] %>
+    <%= f.input :problems, :as => :check_boxes, :required => false %>
+  <% end %>
+  <%= f.buttons %>
+<% end %>

episode-185/vet/app/views/animals/edit.html.erb

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+<% title "Edit Animal" %>
+
+<%= render :partial => 'form' %>
+
+<p>
+  <%= link_to "Show", @animal %> |
+  <%= link_to "View All", animals_path %>
+</p>

episode-185/vet/app/views/animals/index.html.erb

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+<% title "Animals" %>
+
+<table>
+  <tr>
+    <th>Name</th>
+    <th>Category</th>
+    <th>Born On</th>
+    <th>Female</th>
+  </tr>
+  <% for animal in @animals %>
+    <tr>
+      <td><%=h animal.name %></td>
+      <td><%=h animal.category_id %></td>
+      <td><%=h animal.born_on %></td>
+      <td><%=h animal.female %></td>
+      <td><%= link_to "Show", animal %></td>
+      <td><%= link_to "Edit", edit_animal_path(animal) %></td>
+      <td><%= link_to "Destroy", animal, :confirm => 'Are you sure?', :method => :delete %></td>
+    </tr>
+  <% end %>
+</table>
+
+<p><%= link_to "New Animal", new_animal_path %></p>

episode-185/vet/app/views/animals/new.html.erb

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+<% title "New Animal" %>
+
+<%= render :partial => 'form' %>
+
+<p><%= link_to "Back to List", animals_path %></p>

episode-185/vet/app/views/animals/show.html.erb

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+<% title "Animal" %>
+
+<p>
+  <strong>Name:</strong>
+  <%=h @animal.name %>
+</p>
+<p>
+  <strong>Category:</strong>
+  <%=h @animal.category_id %>
+</p>
+<p>
+  <strong>Born On:</strong>
+  <%=h @animal.born_on %>
+</p>
+<p>
+  <strong>Female:</strong>
+  <%=h @animal.female %>
+</p>
+
+<p>
+  <%= link_to "Edit", edit_animal_path(@animal) %> |
+  <%= link_to "Destroy", @animal, :confirm => 'Are you sure?', :method => :delete %> |
+  <%= link_to "View All", animals_path %>
+</p>

episode-185/vet/app/views/categories/_form.html.erb

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+<% semantic_form_for @category do |f| %>
+  <%= f.inputs %>
+  <%= f.buttons %>
+<% end %>

episode-185/vet/app/views/categories/edit.html.erb

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+<% title "Edit Category" %>
+
+<%= render :partial => 'form' %>
+
+<p>
+  <%= link_to "Show", @category %> |
+  <%= link_to "View All", categories_path %>
+</p>

episode-185/vet/app/views/categories/index.html.erb

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+<% title "Categories" %>
+
+<table>
+  <tr>
+    <th>Name</th>
+    <th>Description</th>
+  </tr>
+  <% for category in @categories %>
+    <tr>
+      <td><%=h category.name %></td>
+      <td><%=h category.description %></td>
+      <td><%= link_to "Show", category %></td>
+      <td><%= link_to "Edit", edit_category_path(category) %></td>
+      <td><%= link_to "Destroy", category, :confirm => 'Are you sure?', :method => :delete %></td>
+    </tr>
+  <% end %>
+</table>
+
+<p><%= link_to "New Category", new_category_path %></p>

episode-185/vet/app/views/categories/new.html.erb

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+<% title "New Category" %>
+
+<%= render :partial => 'form' %>
+
+<p><%= link_to "Back to List", categories_path %></p>

episode-185/vet/app/views/categories/show.html.erb

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+<% title "Category" %>
+
+<p>
+  <strong>Name:</strong>
+  <%=h @category.name %>
+</p>
+<p>
+  <strong>Description:</strong>
+  <%=h @category.description %>
+</p>
+
+<p>
+  <%= link_to "Edit", edit_category_path(@category) %> |
+  <%= link_to "Destroy", @category, :confirm => 'Are you sure?', :method => :delete %> |
+  <%= link_to "View All", categories_path %>
+</p>

episode-185/vet/app/views/layouts/application.html.erb

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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+  <head>
+    <title><%= h(yield(:title) || "Untitled") %></title>
+    <%= stylesheet_link_tag 'application', 'formtastic', 'formtastic_changes', :cache => "base" %>
+    <%= yield(:head) %>
+  </head>
+  <body>
+    <div id="container">
+      <%- flash.each do |name, msg| -%>
+        <%= content_tag :div, msg, :id => "flash_#{name}" %>
+      <%- end -%>
+      
+      <%- if show_title? -%>
+        <h1><%=h yield(:title) %></h1>
+      <%- end -%>
+      
+      <%= yield %>
+    </div>
+  </body>
+</html>

episode-185/vet/app/views/problems/_form.html.erb

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+<% form_for @problem do |f| %>
+  <%= f.error_messages %>
+  <p>
+    <%= f.label :name %><br />
+    <%= f.text_field :name %>
+  </p>
+  <p><%= f.submit "Submit" %></p>
+<% end %>