fix videos

app/models/video.rb

@@ -1,13 +1,17 @@
 class Video < ActiveRecord::Base
-  before_save :update_details
+  require 'open-uri' 
+  attr_reader :thumbnail_remote_url
+  before_validation :update_details
+  after_create :thumbnail_remote_url
   searchkick autocomplete: ['title']
   extend FriendlyId
   friendly_id :title, use: :slugged
   include Rails.application.routes.url_helpers
   belongs_to :sponsor
   belongs_to :category
   acts_as_taggable # Alias for acts_as_taggable_on
-
+  has_attached_file :thumbnail, :styles => { :large => "750x450#", :medium => "360x244#", :thumb => "100x100#" }, :default_url => ":style/missing.png"
+  validates_attachment_content_type :thumbnail, :content_type => /\Aimage\/.*\Z/
 
   YT_LINK_FORMAT = /\A.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*\z/i
 
@@ -28,6 +32,14 @@ class Video < ActiveRecord::Base
   end
 
   validates :link, presence: true, format: YT_LINK_FORMAT
+
+  def thumbnail_remote_url
+    thumb_url = 'http://img.youtube.com/vi/'+self.uid+'/hqdefault.jpg'
+    self.thumbnail = open(thumb_url)
+
+
+
+  end
 
   def get_share_url
     video_url(self)
@@ -114,7 +126,8 @@ def update_details
     def should_generate_new_friendly_id?
       slug.blank?
     end
-
+
+
   end
   def parse_duration(d)
     hr = (d / 3600).floor

db/migrate/20140720180943_add_thumbnail_to_videos.rb

@@ -0,0 +1,5 @@
+class AddThumbnailToVideos < ActiveRecord::Migration
+  def change
+  	add_attachment :videos, :thumbnail
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20140719191720) do
+ActiveRecord::Schema.define(version: 20140720180943) do
 
   create_table "attachments", force: true do |t|
     t.integer  "attachable_id"
@@ -641,20 +641,24 @@
     t.datetime "updated_at"
     t.string   "uid"
     t.integer  "category_id"
-    t.boolean  "featured",      default: true
-    t.boolean  "listed",        default: true
+    t.boolean  "featured",               default: true
+    t.boolean  "listed",                 default: true
     t.string   "yt_tags"
     t.integer  "views"
     t.integer  "position"
     t.datetime "published_at"
     t.datetime "yt_updated_at"
     t.string   "slug"
     t.integer  "sponsor_id"
-    t.boolean  "sponsored",     default: false
+    t.boolean  "sponsored",              default: false
     t.text     "embed"
     t.string   "url"
     t.text     "description"
     t.integer  "gallery_id"
+    t.string   "thumbnail_file_name"
+    t.string   "thumbnail_content_type"
+    t.integer  "thumbnail_file_size"
+    t.datetime "thumbnail_updated_at"
   end
 
   add_index "videos", ["category_id"], name: "index_videos_on_category_id", using: :btree