Panda & Tiger level completed

db/migrate/201307152240_create_authors_and_books.rb

@@ -0,0 +1,14 @@
+class CreateAuthorsAndBooks < ActiveRecord::Migration
+  def change
+    create_table :authors do |t|
+      t.string :name
+      t.timestamps
+    end
+
+    create_table :books do |t|
+      t.string :title
+      t.references :author
+      t.timestamps
+    end
+  end
+end

db/seed.rb

@@ -5,3 +5,24 @@
 nbc = Network.create(name: "NBC")
 Show.create(name: "Mad Men", day_of_week: "Sunday", hour_of_day: 22, network: amc)
 Show.create(name: "Community", day_of_week: "Thursday", hour_of_day: 20, network: nbc)
+Show.create(name: "Monday Show", day_of_week: "Monday", hour_of_day: 20, network: amc)
+Show.create(name: "Sunday Show", day_of_week: "Sunday", hour_of_day: 20, network: nbc)
+
+
+Book.delete_all
+Author.delete_all
+
+michael = Author.create(name: 'Michael Crichton')
+dan = Author.create(name: 'Dan Brown')
+daniel = Author.create(name: 'Daniel Suarez')
+stuart = Author.create(name: 'Stuart Kauffman')
+douglas = Author.create(name: 'Douglas R. Hofstadter')
+
+Book.create(title: 'Sphere', author: michael)
+Book.create(title: 'Jurassic Park', author: michael)
+Book.create(title: 'The Da Vinci Code', author: dan)
+Book.create(title: 'Inferno', author: dan)
+Book.create(title: 'Freedom', author: daniel)
+Book.create(title: 'Daemon', author: daniel)
+Book.create(title: 'At Home In The Universe', author: stuart)
+Book.create(title: 'Godel, Escher, Bach: An Eternal Golden Braid', author: douglas)

models/author.rb

@@ -0,0 +1,7 @@
+class Author < ActiveRecord::Base
+  has_many :books
+
+  def to_s
+    "#{name}, with #{books.count} book(s)"
+  end
+end

models/book.rb

@@ -0,0 +1,7 @@
+class Book < ActiveRecord::Base
+  belongs_to :author
+
+  def to_s
+    title
+  end
+end

models/show.rb

@@ -4,6 +4,6 @@ class Show < ActiveRecord::Base
 	validates_presence_of :name
 
 	def to_s
-		"#{name} airs at #{hour_of_day}:#{day_of_week}:00 on #{network} "
+		"#{name} airs at #{day_of_week} #{hour_of_day}:00 on #{network} "
 	end
 end

watchman.rb

@@ -2,14 +2,26 @@
 require 'bundler/setup'
 
 require "./db/setup"
-Dir.glob('./models/*').each { |r| require r}
+Dir.glob('./models/*').each { |r| require r }
 require "./db/seed"
 
-puts "There are #{Show.count} in the database"
-
-Network.all.each do |network|
-	puts "Shows airing on #{network}"
-	network.shows.each do |show|
-		puts show
-	end	
+def horizontal_line
+  '-' * 80
 end
+puts "All authors in our database:"
+
+puts horizontal_line
+Author.all.each {|author| puts author}
+puts horizontal_line
+
+puts "Which author are you interested in?"
+name = gets.chomp
+
+author = Author.where(name: name).first
+
+if author
+  puts "Books written by #{name}:"
+  author.books.each_with_index {|book, i| puts "#{i+1}. #{book.title}"}
+else
+  puts "Sorry, we don't have any book written by #{name}."
+end