added image uploader

Gemfile

@@ -51,6 +51,8 @@ group :doc do
 end
 
 group :development do
+  gem 'capistrano'
+  gem 'better_errors'
   gem 'database_cleaner'
   gem 'rails-erd'
   gem 'ffaker'

Gemfile.lock

@@ -59,6 +59,9 @@ GEM
     arel (4.0.2)
     atomic (1.1.14)
     bcrypt-ruby (3.1.2)
+    better_errors (1.1.0)
+      coderay (>= 1.0.0)
+      erubis (>= 2.6.6)
     bootstrap-sass (3.1.0.2)
       sass (~> 3.2)
     bourbon (3.1.8)
@@ -66,6 +69,10 @@ GEM
       thor
     builder (3.1.4)
     cancan (1.6.10)
+    capistrano (3.1.0)
+      i18n
+      rake (>= 10.0.0)
+      sshkit (~> 1.3)
     celluloid (0.15.2)
       timers (~> 1.1.0)
     celluloid-io (0.15.0)
@@ -144,6 +151,9 @@ GEM
     mime-types (1.25.1)
     minitest (4.7.5)
     multi_json (1.8.4)
+    net-scp (1.1.2)
+      net-ssh (>= 2.6.5)
+    net-ssh (2.8.0)
     nio4r (1.0.0)
     orm_adapter (0.5.0)
     paperclip (4.1.1)
@@ -231,6 +241,12 @@ GEM
       activesupport (>= 3.0)
       sprockets (~> 2.8)
     sqlite3 (1.3.8)
+    sshkit (1.3.0)
+      net-scp (>= 1.1.2)
+      net-ssh
+      term-ansicolor
+    term-ansicolor (1.3.0)
+      tins (~> 1.0)
     therubyracer (0.12.1)
       libv8 (~> 3.16.14.0)
       ref
@@ -239,6 +255,7 @@ GEM
       atomic
     tilt (1.4.1)
     timers (1.1.0)
+    tins (1.0.0)
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
@@ -261,8 +278,10 @@ PLATFORMS
 
 DEPENDENCIES
   activeadmin!
+  better_errors
   bootstrap-sass
   cancan
+  capistrano
   coffee-rails (~> 4.0.0)
   database_cleaner
   devise

app/admin/quest.rb

 ActiveAdmin.register Quest do
-
+  form :html => { :enctype => "multipart/form-data" } do |f|
+    f.inputs "Details" do
+      f.input :title
+      f.input :points
+      f.input :description
+      f.input :image, :as => :file, :hint => f.template.image_tag(f.object.image.url(:thumb)), :required => false
+    end
+    f.actions
+  end
 
   # See permitted parameters documentation:
   # https://github.com/gregbell/active_admin/blob/master/docs/2-resource-customization.md#setting-up-strong-parameters

app/admin/reward.rb

 ActiveAdmin.register Reward do
 
+  form :html => { :enctype => "multipart/form-data" } do |f|
+    f.inputs "Details" do
+      f.input :title
+      f.input :points
+      f.input :description
+      f.input :image, :as => :file, :hint => f.template.image_tag(f.object.image.url(:thumb)), :required => false
+    end
+    f.actions
+  end
+
+
   
   # See permitted parameters documentation:
   # https://github.com/gregbell/active_admin/blob/master/docs/2-resource-customization.md#setting-up-strong-parameters

app/models/quest.rb

@@ -8,6 +8,15 @@ class Quest < ActiveRecord::Base
 
   validates :points, :numericality => {:greater_than => 0}
 
+  has_attached_file(:image, {
+    :styles => {:thumb => "22x22>" }, 
+    :default_url => "/images/:style/missing.png"
+  })
+
+  validates_attachment_content_type :image, :content_type => ["image/jpg", "image/jpeg", "image/png"]  
+
+#  attr_accessible :title, :points, :description, :image
+
   def solve(hacker, user = nil)
     hacker.earnings.create({
       :user => user,

app/models/reward.rb

@@ -8,6 +8,10 @@ class Reward < ActiveRecord::Base
 
   validates :points, :numericality => {:greater_than => 0}
 
+  has_attached_file :image, :styles => {:thumb => "22x22>" }, :default_url => "/images/:style/missing.png"
+
+  validates_attachment_content_type :image, :content_type => ["image/jpg", "image/jpeg", "image/png"]  
+
   def earn(hacker, user = nil)
     hacker.redemptions.create({
       :user   => user,

app/views/hackers/quests/_show.html.erb

@@ -6,7 +6,9 @@
     <div class="row">
       <div class="col-xs-2">
         <!-- TODO: should be replaced with paperclip gem -->
-        <span class="glyphicon <%= quest.image_url %>"> </span>
+        <span class="glyphicon">
+          <%=image_tag quest.image.url(:thumb) %>
+        </span>
       </div>
       <div class="col-xs-7">
         <%= quest.title %>

app/views/hackers/rewards/_show.html.erb

@@ -6,7 +6,9 @@
     <div class="row">
       <div class="col-xs-2">
         <!-- TODO: should be replaced with paperclip gem -->
-        <span class="glyphicon <%= reward.image_url %>"> </span>
+        <span class="glyphicon">
+          <%=image_tag reward.image.url(:thumb) %>
+        </span>
       </div>
       <div class="col-xs-7">
         <%= reward.title %>

config/initializers/active_admin.rb

 ActiveAdmin.setup do |config|
 
+  config.before_filter do
+    params.permit!
+  end
   # == Site Title
   #
   # Set the title that is displayed on the main layout

db/migrate/20140312200046_add_attachements_to_quests_and_rewards.rb

+class AddAttachementsToQuestsAndRewards < ActiveRecord::Migration
+  def change
+    add_attachment :quests, :image
+    add_attachment :rewards, :image
+  end
+end

db/migrate/20140312201127_remove_image_url_from_quest_and_reward.rb

+class RemoveImageUrlFromQuestAndReward < ActiveRecord::Migration
+  def change
+    change_table(:quests) do |t|
+      t.remove :image_url
+    end
+
+    change_table(:rewards) do |t|
+      t.remove :image_url
+    end
+  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: 20140312192849) do
+ActiveRecord::Schema.define(version: 20140312201127) do
 
   create_table "active_admin_comments", force: true do |t|
     t.string   "namespace"
@@ -89,9 +89,12 @@ ActiveRecord::Schema.define(version: 20140312192849) do
     t.integer  "points"
     t.string   "title"
     t.string   "description"
-    t.string   "image_url"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.string   "image_file_name"
+    t.string   "image_content_type"
+    t.integer  "image_file_size"
+    t.datetime "image_updated_at"
   end
 
   create_table "redemptions", force: true do |t|
@@ -107,10 +110,13 @@ ActiveRecord::Schema.define(version: 20140312192849) do
   create_table "rewards", force: true do |t|
     t.integer  "points"
     t.string   "title"
-    t.string   "image_url"
     t.string   "description"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.string   "image_file_name"
+    t.string   "image_content_type"
+    t.integer  "image_file_size"
+    t.datetime "image_updated_at"
   end
 
 end

db/seeds.rb

@@ -12,34 +12,29 @@ Reward.delete_all
 
 Quest.create({
   :title  => 'Küche aufgeräumt',
-  :points => 50,
-  :image_url => 'glyphicon-fire'
+  :points => 50
 })
 
 
 Quest.create({
   :title  => 'Müll rausgebracht',
-  :points => 1,
-  :image_url => 'glyphicon-trash'
+  :points => 1
 })
 
 
 Quest.create({
   :title  => 'Getränke gekauft',
-  :points => 5,
-  :image_url => 'glyphicon-glass'
+  :points => 5
 })
 
 Reward.create({
   :title => 'Roter Artikel (Getränk)',
-  :points => 15,
-  :image_url => 'icon-beer'
+  :points => 15
 })
 
 Reward.create({
   :title => 'Gelber Artikel (Snack)',
-  :points => 10,
-  :image_url => 'icon-drink'
+  :points => 10
 })
 
 Reward.create({