From 5de03814fb5620454e4489fc9bd48ce2ccff50fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9gis=20Hanol?= <regis@hanol.fr>
Date: Sun, 16 Jun 2013 10:39:48 +0200
Subject: [PATCH] created `optimized_image` model

---
 app/models/optimized_image.rb                   |  7 +++++++
 app/models/upload.rb                            |  2 ++
 .../20130616082327_create_optimized_images.rb   | 17 +++++++++++++++++
 spec/models/optimized_image_spec.rb             |  7 +++++++
 spec/models/upload_spec.rb                      |  2 ++
 5 files changed, 35 insertions(+)
 create mode 100644 app/models/optimized_image.rb
 create mode 100644 db/migrate/20130616082327_create_optimized_images.rb
 create mode 100644 spec/models/optimized_image_spec.rb

diff --git a/app/models/optimized_image.rb b/app/models/optimized_image.rb
new file mode 100644
index 00000000000..7566c09ffa4
--- /dev/null
+++ b/app/models/optimized_image.rb
@@ -0,0 +1,7 @@
+class OptimizedImage < ActiveRecord::Base
+  belongs_to :upload
+
+  def filename
+    "#{sha[0..2]}/#{sha[3..5]}/#{sha[6..16]}_#{width}x#{height}#{ext}"
+  end
+end
diff --git a/app/models/upload.rb b/app/models/upload.rb
index 362318202e4..953749767a4 100644
--- a/app/models/upload.rb
+++ b/app/models/upload.rb
@@ -9,6 +9,8 @@ class Upload < ActiveRecord::Base
   has_many :post_uploads
   has_many :posts, through: :post_uploads
 
+  has_many :optimized_images
+
   validates_presence_of :filesize
   validates_presence_of :original_filename
 
diff --git a/db/migrate/20130616082327_create_optimized_images.rb b/db/migrate/20130616082327_create_optimized_images.rb
new file mode 100644
index 00000000000..24d73e26076
--- /dev/null
+++ b/db/migrate/20130616082327_create_optimized_images.rb
@@ -0,0 +1,17 @@
+class CreateOptimizedImages < ActiveRecord::Migration
+  def up
+    create_table :optimized_images do |t|
+      t.string :sha, null: false
+      t.string :ext, null: false
+      t.integer :width, null: false
+      t.integer :height, null: false
+      t.integer :upload_id, null: false
+    end
+
+    add_index :optimized_images, :upload_id
+  end
+
+  def down
+    drop_table :optimized_images
+  end
+end
diff --git a/spec/models/optimized_image_spec.rb b/spec/models/optimized_image_spec.rb
new file mode 100644
index 00000000000..aecb23f1dd4
--- /dev/null
+++ b/spec/models/optimized_image_spec.rb
@@ -0,0 +1,7 @@
+require 'spec_helper'
+
+describe OptimizedImage do
+
+  it { should belong_to :upload }
+
+end
diff --git a/spec/models/upload_spec.rb b/spec/models/upload_spec.rb
index 52b523d6661..d20464a539d 100644
--- a/spec/models/upload_spec.rb
+++ b/spec/models/upload_spec.rb
@@ -8,6 +8,8 @@ describe Upload do
   it { should have_many :post_uploads }
   it { should have_many :posts }
 
+  it { should have_many :optimized_images }
+
   it { should validate_presence_of :original_filename }
   it { should validate_presence_of :filesize }