User avatar upload at sign up

Gemfile

@@ -18,6 +18,7 @@ gem 'jquery-rails', '~> 2.0'
 gem 'pg', '~> 0.17.1'
 gem 'will_paginate', '~> 3.0.3'
 gem 'jbuilder', '~> 2.0.3'
+gem 'paperclip', '~> 4.3'
 
 # Assets
 gem 'sass-rails', '~> 3.0'

Gemfile.lock

@@ -57,7 +57,10 @@ GEM
       xpath (~> 2.0)
     childprocess (0.5.9)
       ffi (~> 1.0, >= 1.0.11)
+    climate_control (0.1.0)
     cliver (0.3.2)
+    cocaine (0.5.8)
+      climate_control (>= 0.0.3, < 1.0)
     coderay (1.1.1)
     coffee-rails (3.2.2)
       coffee-script (>= 2.2.0)
@@ -129,6 +132,7 @@ GEM
       treetop (~> 1.4.8)
     method_source (0.8.2)
     mime-types (1.25.1)
+    mimemagic (0.3.0)
     mini_portile2 (2.0.0)
     momentjs-rails (2.15.1)
       railties (>= 3.1)
@@ -148,6 +152,12 @@ GEM
       nenv (~> 0.1)
       shellany (~> 0.0)
     orm_adapter (0.0.7)
+    paperclip (4.3.7)
+      activemodel (>= 3.2.0)
+      activesupport (>= 3.2.0)
+      cocaine (~> 0.5.5)
+      mime-types
+      mimemagic (= 0.3.0)
     pg (0.17.1)
     poltergeist (1.5.1)
       capybara (~> 2.1)
@@ -261,6 +271,7 @@ DEPENDENCIES
   netzke-basepack (~> 0.8.0)
   netzke-cancan
   netzke-core (~> 0.8.0)
+  paperclip (~> 4.3)
   pg (~> 0.17.1)
   poltergeist (~> 1.5.0)
   pry (~> 0.9.8)

app/models/user.rb

@@ -1,4 +1,6 @@
 class User < ActiveRecord::Base
+  MAX_AVATAR_SIZE_KB = 1024
+
   acts_as_loggable
   # Include default devise modules. Others available are:
   # :token_authenticatable, :encryptable, :confirmable, :lockable, :timeoutable and :omniauthable
@@ -8,7 +10,7 @@ class User < ActiveRecord::Base
   # Setup accessible (or protected) attributes for your model
   attr_accessible :email, :password, :password_confirmation, :remember_me,
     :first_name, :last_name, :bike_id,
-    :user_profiles_attributes, :username
+    :user_profiles_attributes, :username, :avatar
 
   has_many :transactions, as: :customer
   has_many :transaction_logs, through: :transactions, source: :logs
@@ -20,11 +22,18 @@ class User < ActiveRecord::Base
 
   belongs_to :bike
 
+  has_attached_file :avatar, :styles => {:thumb => '100x100>'}
+
   default_scope order('username ASC')
 
   validates :first_name, :presence => true
   validates :last_name, :presence => true
 
+  validates_attachment :avatar, :content_type => {:content_type => %w{ image/jpeg image/gif image/png }},
+                                :file_name => {:matches => [/png\Z/, /jpe?g\Z/, /gif\Z/]},
+                                :size => {:in => 0..MAX_AVATAR_SIZE_KB.kilobytes}
+
+
   def to_s
     "#{first_name} #{last_name}"
   end

app/views/devise/registrations/new.html.haml

@@ -23,6 +23,12 @@
         = f.fields_for :user_profiles, profile_builder do |builder|
           = render 'user_profile_fields', f: builder
 
+      %fieldset
+        .form-group
+          %label You may upload your photo to be used as an avatar
+          = f.file_field :avatar
+          .help-block #{User::MAX_AVATAR_SIZE_KB} Kb max
+
       %fieldset
         .form-group
           = f.password_field :password, placeholder: 'Password', class: 'form-control'

db/migrate/20170118110330_add_attachment_avatar_to_users.rb

@@ -0,0 +1,11 @@
+class AddAttachmentAvatarToUsers < ActiveRecord::Migration
+  def self.up
+    change_table :users do |t|
+      t.attachment :avatar
+    end
+  end
+
+  def self.down
+    remove_attachment :users, :avatar
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20131019170248) do
+ActiveRecord::Schema.define(:version => 20170118110330) do
 
   create_table "bike_actions", :force => true do |t|
     t.string   "action",     :limit => 128, :null => false
@@ -198,6 +198,10 @@ ActiveRecord::Schema.define(:version => 20131019170248) do
     t.string   "first_name",             :default => "", :null => false
     t.string   "last_name",              :default => "", :null => false
     t.string   "username"
+    t.string   "avatar_file_name"
+    t.string   "avatar_content_type"
+    t.integer  "avatar_file_size"
+    t.datetime "avatar_updated_at"
   end
 
   add_index "users", ["bike_id"], :name => "index_users_on_bike_id", :unique => true