Modify views for booths

app/models/booth.rb

@@ -1,8 +1,16 @@
 class Booth < ActiveRecord::Base
+  include ActiveRecord::Transitions
+
   belongs_to :conference
   has_many :booth_requests
   has_many :users, through: :booth_requests
 
+  has_one :submitter_booth_user, -> { where(role: 'submitter') }, class_name: 'BoothRequest'
+  has_one  :submitter, through: :submitter_booth_user, source: :user
+
+  has_many :responsibles_booth_user, -> { where(role: 'responsibles') }, class_name: 'BoothRequest'
+  has_many  :responsibles, through: :responsibles_booth_user, source: :user
+
   validates :title,
             uniqueness: { case_sensitive: false },
             presence: true
@@ -10,7 +18,53 @@ class Booth < ActiveRecord::Base
   validates :description,
             :reasoning,
             :state,
-            :logo_link,
             :conference_id,
             presence: true
+
+  validate :logo_link
+
+  include Gravtastic
+  gravtastic size: 32
+  
+  state_machine initial: :submitted do
+    state :submitted
+    state :withdrawn
+    state :to_accept
+    state :accepted
+    state :rejected
+
+    event :restart do
+      transitions to: :submitted, from: [:withdrawn]
+    end
+    event :withdrawn do
+      transitions to: :withdrawn, from: [:submitted, :to_accept, :accepted]
+    end
+    event :to_accept do
+      transitions to: :to_accept, from: [:submitted, :rejected, :accepted]
+    end
+    event :accept do
+      transitions to: :accepted, from: [:submitted, :to_accept]
+    end
+    event :reject do
+      transitions to: :rejected, from: [:submitted]
+    end
+    event :reset do
+      transitions to: :submitted, from: [:to_accept, :rejected, :accepted]
+    end
+  end
+
+  def transition_possible?(transition)
+    self.class.state_machine.events_for(current_state).include?(transition)
+  end
+
+  def update_state(transition, notice)
+    alert = ''
+    begin
+      send(transition)
+      save
+    rescue Transitions::InvalidTransition => e
+      alert = "Update state failed. #{e.message}"
+    end
+    alert
+  end
 end