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Removing old examples

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Marcos Tapajós 2010-08-03 23:07:19 -03:00 committed by Sam Lown
parent 1a551b54eb
commit 5e573cbbee
1 changed files with 0 additions and 144 deletions
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examples/model/example.rb
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require File.join(File.dirname(__FILE__), '..', '..', 'lib', 'couchrest')
def show obj
puts obj.inspect
puts
end
SERVER = CouchRest.new
SERVER.default_database = 'couchrest-extendeddoc-example'
class Author < CouchRest::ExtendedDocument
use_database SERVER.default_database
property :name
def drink_scotch
puts "... glug type glug ... I'm #{name} ... type glug glug ..."
end
end
class Post < CouchRest::ExtendedDocument
use_database SERVER.default_database
property :title
property :body
property :author, :cast_as => 'Author'
timestamps!
end
class Comment < CouchRest::ExtendedDocument
use_database SERVER.default_database
property :commenter, :cast_as => 'Author'
timestamps!
def post= post
self["post_id"] = post.id
end
def post
Post.get(self['post_id']) if self['post_id']
end
end
puts "Act I: CRUD"
puts
puts "(pause for dramatic effect)"
puts
sleep 2
puts "Create an author."
quentin = Author.new("name" => "Quentin Hazel")
show quentin
puts "Create a new post."
post = Post.new(:title => "First Post", :body => "Lorem ipsum dolor sit amet, consectetur adipisicing elit...")
show post
puts "Add the author to the post."
post.author = quentin
show post
puts "Save the post."
post.save
show post
puts "Load the post."
reloaded = Post.get(post.id)
show reloaded
puts "The author of the post is an instance of Author."
reloaded.author.drink_scotch
puts "\nAdd some comments to the post."
comment_one = Comment.new :text => "Blah blah blah", :commenter => {:name => "Joe Sixpack"}
comment_two = Comment.new :text => "Yeah yeah yeah", :commenter => {:name => "Jane Doe"}
comment_three = Comment.new :text => "Whatever...", :commenter => {:name => "John Stewart"}
# TODO - maybe add some magic here?
comment_one.post = post
comment_two.post = post
comment_three.post = post
comment_one.save
comment_two.save
comment_three.save
show comment_one
show comment_two
show comment_three
puts "We can load a post through its comment (no magic here)."
show post = comment_one.post
puts "Commenters are also authors."
comment_two['commenter'].drink_scotch
comment_one['commenter'].drink_scotch
comment_three['commenter'].drink_scotch
puts "\nLet's save an author to her own document."
jane = comment_two['commenter']
jane.save
show jane
puts "Oh, that's neat! Because Ruby passes hash valuee by reference, Jane's new id has been added to the comment she left."
show comment_two
puts "Of course, we'd better remember to save it."
comment_two.save
show comment_two
puts "Oooh, denormalized... feel the burn!"
puts
puts
puts
puts "Act II: Views"
puts
puts
sleep 2
puts "Let's find all the comments that go with our post."
puts "Our post has id #{post.id}, so lets find all the comments with that post_id."
puts
class Comment
view_by :post_id
end
comments = Comment.by_post_id :key => post.id
show comments
puts "That was too easy."
puts "We can even wrap it up in a finder on the Post class."
puts
class Post
def comments
Comment.by_post_id :key => id
end
end
show post.comments
puts "Gimme 5 minutes and I'll roll this into the framework. ;)"
puts
puts "There is a lot more that can be done with views, but a lot of the interesting stuff is joins, which of course range across types. We'll pick up where we left off, next time."