jonmagic

class SongsController < ApplicationController
  
  def index
    @songs = Song.all(:destroyed_at => nil)
    @totals = load_totals(@songs)
  end
  
  def new
    @song = Song.new
    render :layout => false

jonmagic

class Song
  include MongoMapper::Document
  plugin Grip
  
  attachment :mp3

  key :title, String
  key :artist, String
  key :album, String
  key :genre, String

jonmagic

s = Song.all[2]
=> #<Song duration: 35.19925, artist: nil, mp3_id: ObjectID('4b98007de5947c54f7000010'), title: "LCT-PO-MATAHARI 042009.mp3", destroyed_at: nil, _id: ObjectID('4b98007de5947c54f700000f'), album: nil, genre: nil, mp3_name: "LCT-PO-MATAHARI 042009.mp3", mp3_type: "audio/mpeg", mp3_size: 577430>
>> s.mp3_id
=> ObjectID4b98007de5947c54f7000010
>> s.mp3_id.to_s
=> "4b98007de5947c54f7000010"

curl http://localhost:3333/gridfs/4b98007de5947c54f7000010

returns the following errors

jonmagic

NoMethodError at /gridfs/4b98007de5947c54f7000010
You have a nil object when you didn't expect it! You might have expected an instance of Array. The error occurred while evaluating nil.[]

Ruby	/Library/Ruby/Gems/1.8/gems/mongo-0.19.1/lib/../lib/mongo/gridfs/grid_io.rb: in read_all, line 208
Web	GET localhost/gridfs/4b98007de5947c54f7000010
Jump to:
GETPOSTCookiesENV
Traceback (innermost first)

/Library/Ruby/Gems/1.8/gems/mongo-0.19.1/lib/../lib/mongo/gridfs/grid_io.rb: in read_all

jonmagic

# install required packages for building
sudo apt-get install build-essential libssl-dev libreadline5-dev

# download and install ruby
wget ftp://ftp.ruby-lang.org/pub/ruby/1.8/ruby-1.8.7-p248.tar.gz
tar zxvf ruby-1.8.7-p248.tar.gz 
cd ruby-1.8.7-p248
./configure
make
sudo make install

jonmagic

require "test_helper"
require File.expand_path(File.dirname(__FILE__) + '/../lib/grip')


class Foo
  include MongoMapper::Document
  include Grip

  has_grid_attachment :image
  has_grid_attachment :pdf

jonmagic

db.ticket_items.find()
error: {"_id" :  ObjectId( "4b100a29be36154d4ec50047")  , "$err" : "Invalid BSONObj spec size"}

jonmagic

require 'pp'
require 'rubygems'
require 'mongo_mapper'
require 'benchmark'

MongoMapper.database = 'testing'

class Foo
  include MongoMapper::Document
  

jonmagic

# get some fruit!
orange = { "name": "Orange", "owners": [{ "Jon": 2 }, { "Steve": 5 }] }
apple = { "name": "Apple", "owners": [{ "Jon": 4 }, { "Bill": 2 }] }
pear = { "name": "Pear", "owners": [{ "Jon": 1 }, { "Tom": 3 }] }

# save the fruit
db.foo.save(orange)
db.foo.save(apple)
db.foo.save(pear)

jonmagic

# get some fruit!
orange = { "name": "Orange", "owners": [{ "Jon": 2 }, { "Steve": 5 }] }
apple = { "name": "Apple", "owners": [{ "Jon": 4 }, { "Bill": 2 }] }
pear = { "name": "Pear", "owners": [{ "Jon": 1 }, { "Tom": 3 }] }

# save the fruit
db.foo.save(orange)
db.foo.save(apple)
db.foo.save(pear)