add support for printing addresses in invoices

invoice.rb

@@ -35,9 +35,10 @@ Product = Struct.new(:id, :description, :price) do
 end
 
 class Person
-  def initialize(id, name)
+  def initialize(id, name, address)
     @id = id
     @name = name
+    @address = address
     @purchases = {}
   end
   
@@ -46,7 +47,7 @@ class Person
   end
 
   attr_reader :id
-  attr_accessor :name, :purchases
+  attr_accessor :name, :purchases, :address
 end
 
 def read_file(file)
@@ -76,7 +77,11 @@ end
 def load_persons_from_db(db)
   persons = {}
   db.query("SELECT * FROM Persons").each do |row|
-    person = Person.new(row['id'],row['name'])
+    address = []
+    if (row['address'])
+      address << row['address']
+    end
+    person = Person.new(row['id'],row['name'],address)
     persons[row['id']] = person
     if Options[:verbose]
       puts "Found person: #{person}"
@@ -130,7 +135,7 @@ def generate_receipt(persons,products,db,draft)
     total_payment = 0
     
     yaml = YAML_BASE.clone
-    yaml["to"] = person.name
+    yaml["to"] = [person.name].concat person.address
     yaml["invoice-nr"] = Time.now.strftime('%Y%W') + "-" + counter.to_s