From 97d39268c0b348898dca1ec24552eb26a94ae546 Mon Sep 17 00:00:00 2001
From: "Ira W. Snyder" <devel@irasnyder.com>
Date: Thu, 22 Nov 2007 15:57:27 -0800
Subject: [PATCH] Add the has_many_polymorphs purchaseable model

Signed-off-by: Ira W. Snyder <devel@irasnyder.com>
---
 app/models/customer.rb             |   2 ++
 app/models/purchase.rb             |   4 ++++
 db/development.sqlite3             | Bin 11264 -> 13312 bytes
 db/migrate/016_create_purchases.rb |  13 +++++++++++++
 db/schema.rb                       |   8 +++++++-
 test/fixtures/purchases.yml        |   5 +++++
 test/unit/purchase_test.rb         |  10 ++++++++++
 7 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 app/models/purchase.rb
 create mode 100644 db/migrate/016_create_purchases.rb
 create mode 100644 test/fixtures/purchases.yml
 create mode 100644 test/unit/purchase_test.rb

diff --git a/app/models/customer.rb b/app/models/customer.rb
index 901b9a5..58db47d 100644
--- a/app/models/customer.rb
+++ b/app/models/customer.rb
@@ -2,6 +2,8 @@ class Customer < ActiveRecord::Base
   has_many :coitems
   has_many :bitems
 
+  has_many_polymorphs :purchaseables, :from => [:coitems, :bitems], :through => :purchases
+
   validates_presence_of :name, :email, :phone, :address
   validates_numericality_of :debt
 
diff --git a/app/models/purchase.rb b/app/models/purchase.rb
new file mode 100644
index 0000000..023f423
--- /dev/null
+++ b/app/models/purchase.rb
@@ -0,0 +1,4 @@
+class Purchase < ActiveRecord::Base
+  belongs_to :customer
+  belongs_to :purchaseable, :polymorphic => true
+end
diff --git a/db/development.sqlite3 b/db/development.sqlite3
index 10e50e7d4e68027ab0e2dc78f2efe5e5df8782e3..2867aee7a35507103da3379078bf586c2dc82d83 100644
GIT binary patch
delta 307
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z7DhJ)MmNSOO!dr-8yn3SHy;(XW|}OdRKH1rg@cQkF`R)hoaq>|*~Ugs#?2Fz@);*D
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zBo?O@!x=ozL9UJ=t_mTJPCl**FyYDP71bwai>dI#1VEbOGgBrfDogUBh)sU4B+sY`
E00whYApigX

delta 142
zcmZq3Xo#2~EqI#&6_`xavEgE5{tXi4Wd6Nbkfn#2iH&s=%YSA@{!JV#JY39-M;RE8
zG6^&N+t|3BakHDKHPa>u77jjE1|0?_A*P9pix_S&=uC8!np|tNcCxwh$;ro*3MMy-
h*KZD2%xC1`1scr6e3pUv74uo3=?9rNpH(+z0RYM+BcuQT

diff --git a/db/migrate/016_create_purchases.rb b/db/migrate/016_create_purchases.rb
new file mode 100644
index 0000000..08bb7aa
--- /dev/null
+++ b/db/migrate/016_create_purchases.rb
@@ -0,0 +1,13 @@
+class CreatePurchases < ActiveRecord::Migration
+  def self.up
+    create_table :purchases do |t|
+      t.column :customer_id, :integer
+      t.column :purchaseable_id, :integer
+      t.column :purchaseable_type, :string
+    end
+  end
+
+  def self.down
+    drop_table :purchases
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index dcfe7d9..b349a76 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -2,7 +2,7 @@
 # migrations feature of ActiveRecord to incrementally modify your database, and
 # then regenerate this schema definition.
 
-ActiveRecord::Schema.define(:version => 15) do
+ActiveRecord::Schema.define(:version => 16) do
 
   create_table "bitems", :force => true do |t|
     t.column "customer_id",    :integer, :null => false
@@ -35,6 +35,12 @@ ActiveRecord::Schema.define(:version => 15) do
     t.column "price",    :decimal, :precision => 8, :scale => 2, :default => 0.0
   end
 
+  create_table "purchases", :force => true do |t|
+    t.column "customer_id",       :integer
+    t.column "purchaseable_id",   :integer
+    t.column "purchaseable_type", :string
+  end
+
   create_table "rentables", :force => true do |t|
     t.column "type",        :string
     t.column "title",       :string
diff --git a/test/fixtures/purchases.yml b/test/fixtures/purchases.yml
new file mode 100644
index 0000000..b49c4eb
--- /dev/null
+++ b/test/fixtures/purchases.yml
@@ -0,0 +1,5 @@
+# Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
+one:
+  id: 1
+two:
+  id: 2
diff --git a/test/unit/purchase_test.rb b/test/unit/purchase_test.rb
new file mode 100644
index 0000000..f9a5498
--- /dev/null
+++ b/test/unit/purchase_test.rb
@@ -0,0 +1,10 @@
+require File.dirname(__FILE__) + '/../test_helper'
+
+class PurchaseTest < Test::Unit::TestCase
+  fixtures :purchases
+
+  # Replace this with your real tests.
+  def test_truth
+    assert true
+  end
+end
-- 
2.25.1