firebelly

def self.gift_card_total(cart)
    amount = 0
    date = DateTime.new(2010)

    LineItem.find(:all, :include => [:order], :conditions => ["orders.created_at BETWEEN ? AND ?  
    AND line_items.title = ?", date.beginning_of_year, date.end_of_year, 'Gift Card']).collect{ 
        |item| item.total_price }.each{ |price| amount += price
    }

    cart.items.each{|item| 

firebelly

# load an image from an external URL, create a crop, and save it to disk
# *run from rails console of an app with Dragonfly already initialized at startup

app = Dragonfly[:images]
image = app.fetch_url('http://farm6.static.flickr.com/5277/5890615224_2fb702c22c_b.jpg')
image.process('412x252#').to_file("#{Rails.root}/public/system/images/#{url.split('/').last}")
`open /Users/brandon/webapps/fchapp/public/system/images/5890615224_2fb702c22c_b.jpg`

firebelly

    def format_as_dollars(c)
      unless c.nil?
        c = (c * 100).round / 100
        "$%.2f" % c
      end
    end
    
    def decimal_from_currency(c)
      if c =~ /\$/
        c = c[1, c.length]

firebelly

# courtesy http://stackoverflow.com/questions/1268289/how-to-get-rid-of-non-ascii-characters-in-ruby
class String
  def remove_non_ascii
    require 'iconv'
    Iconv.conv('ASCII//IGNORE', 'UTF8', self)
  end
end

Wiki.all.each { |w|
  w.content = w.content.remove_non_ascii