hw

Author: Amanda Ren

myfolder/app/assets/images/rails.png

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+// This is a manifest file that'll be compiled into including all the files listed below.
+// Add new JavaScript/Coffee code in separate files in this directory and they'll automatically
+// be included in the compiled file accessible from http://example.com/assets/application.js
+// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
+// the compiled file.
+//
+//= require jquery
+//= require jquery_ujs
+//= require_tree .

myfolder/app/assets/javascripts/application.js

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+html, body {
+  margin: 0;
+  padding: 0;
+  background: White;
+  color: DarkSlateGrey;
+  font-family: Tahoma, Verdana, sans-serif;
+  font-size: 10pt;
+}
+div#main {
+  margin: 0;
+  padding: 0 20px 20px;
+}
+a {
+  background: transparent;
+  color: maroon;
+  text-decoration: underline;
+  font-weight: bold;
+}
+h1 {
+  color: maroon;
+  font-size: 150%;
+  font-style: italic;
+  display: block;
+  width: 100%;
+  border-bottom: 1px solid DarkSlateGrey;
+}
+h1.title {
+  margin: 0 0 1em;
+  padding: 10px;
+  background-color: orange;
+  color: white;
+  border-bottom: 4px solid gold;
+  font-size: 2em;
+  font-style: normal;
+}
+table#movies {
+  margin: 10px;
+  border-collapse: collapse;
+  width: 100%;
+  border-bottom: 2px solid black;
+}
+table#movies th {
+  border: 2px solid white;
+  font-weight: bold;
+  background-color: wheat;
+}
+table#movies th, table#movies td {
+  padding: 4px;
+  text-align: left;
+}
+table#movies th.hilite {
+  background-color: yellow;
+}
+#notice #warning {
+  background: rosybrown;
+  margin: 1em 0;
+  padding: 4px;
+}
+form label {
+  display: block;
+  line-height: 25px;
+  font-weight: bold;
+  color: maroon;
+}

myfolder/app/assets/stylesheets/application.css

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+class ApplicationController < ActionController::Base
+  protect_from_forgery
+end

myfolder/app/controllers/application_controller.rb

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+class MoviesController < ApplicationController
+
+  def show
+    @id = params[:id] # retrieve movie ID from URI route
+    @movie = Movie.find(@id) # look up movie by unique ID
+    @director = @movie.director
+    # will render app/views/movies/show.<extension> by default
+  end
+
+  def index
+    sort = params[:sort] || session[:sort]
+    case sort
+    when 'title'
+      ordering,@title_header = {:order => :title}, 'hilite'
+    when 'release_date'
+      ordering,@date_header = {:order => :release_date}, 'hilite'
+    end
+    @all_ratings = Movie.all_ratings
+    @selected_ratings = params[:ratings] || session[:ratings] || {}
+
+    if params[:sort] != session[:sort]
+      session[:sort] = sort
+      redirect_to :sort => sort, :ratings => @selected_ratings and return
+    end
+
+    if params[:ratings] != session[:ratings] and @selected_ratings != {}
+      session[:sort] = sort
+      session[:ratings] = @selected_ratings
+      redirect_to :sort => sort, :ratings => @selected_ratings and return
+    end
+    @movies = Movie.find_all_by_rating(@selected_ratings.keys, ordering)
+  end
+
+  def new
+    # default: render 'new' template
+  end
+
+  def create
+    @movie = Movie.create!(params[:movie])
+    flash[:notice] = "#{@movie.title} was successfully created."
+    redirect_to movies_path
+  end
+
+  def edit
+    @movie = Movie.find params[:id]
+  end
+
+  def update
+    @movie = Movie.find params[:id]
+    @movie.update_attributes!(params[:movie])
+    flash[:notice] = "#{@movie.title} was successfully updated."
+    redirect_to movie_path(@movie)
+  end
+
+  def destroy
+    @movie = Movie.find(params[:id])
+    @movie.destroy
+    flash[:notice] = "Movie '#{@movie.title}' deleted."
+    redirect_to movies_path
+  end
+  
+  def similar
+    @id = params[:movie_id]
+    @movie = Movie.find(@id)
+    @director = @movie.director
+    if not @director.blank?
+      @movies = Movie.similar_directors(@director)
+    else
+      flash[:notice] = "'#{@movie.title}' has no director info"
+      redirect_to movies_path
+    end
+  end
+
+end

myfolder/app/controllers/movies_controller.rb

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+module ApplicationHelper
+end

myfolder/app/helpers/application_helper.rb

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+module MoviesHelper
+  # Checks if a number is odd:
+  def oddness(count)
+    count.odd? ?  "odd" :  "even"
+  end
+end

myfolder/app/helpers/movies_helper.rb

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+class Movie < ActiveRecord::Base
+  def self.all_ratings
+    %w(G PG PG-13 NC-17 R)
+  end
+  
+  def self.similar_directors(director)
+    Movie.where(:director => director)
+  end
+end