app/controllers/management/conferences_controller.rb

@@ -51,6 +51,7 @@ module Management
     def conference_params
       params.require(:conference).permit(
         :title, :email, :start_date, :end_date, :description,
+        event_types_attributes: [:id, :name, :description, :_destroy],
         tracks_attributes: [:id, :name, :color, :description, :_destroy],
         halls_attributes: [:id, :name, :_destroy]
       )

app/models/conference.rb

@@ -11,10 +11,11 @@ class Conference < ActiveRecord::Base
   has_many :tracks
   has_many :halls
   has_many :events, through: :tracks
+  has_many :event_types
   has_one :call_for_participation, dependent: :destroy
   has_many :participant_profiles, class_name: 'PersonalProfile'
 
-  accepts_nested_attributes_for :tracks, :halls, reject_if: :all_blank, allow_destroy: true
+  accepts_nested_attributes_for :tracks, :halls, :event_types, reject_if: :all_blank, allow_destroy: true
 
   after_create :create_call_for_participation
 

app/models/event.rb

@@ -3,6 +3,7 @@ class Event < ActiveRecord::Base
 
   has_one :track, through: :proposition, source: :proposition_accepting, source_type: Track
   has_one :conference, through: :track
+  belongs_to :event_type
 
   validates :title, presence: true
   validates :length, presence: true, numericality: {only_integer: true, greater_than: 0}

app/models/event_type.rb

@@ -1,5 +1,7 @@
 class EventType < ActiveRecord::Base
   belongs_to :conference
+  has_many :events
+
   translates :name, :description
 
   validates :name, presence: true, uniqueness: {scope: :conference, message: :must_be_unique_for_the_conference}

app/views/management/conferences/_form.html.slim

@@ -11,6 +11,12 @@
           = f.input :end_date, as: :date
           = f.input :description
       hr
+      .row
+        .col-lg-12
+          h2 = EventType.model_name.human(count: 2).mb_chars.capitalize
+      .row
+        = render partial: 'form_event_types', locals: {form: f}
+      hr
       .row
         .col-lg-12
           h2 = Hall.model_name.human(count: 2).mb_chars.capitalize

app/views/management/conferences/_form_event_types.slim

@@ -0,0 +1,20 @@
+div#event_types
+  = form.simple_fields_for :event_types do |ff|
+    .col-lg-6
+      .panel.panel-default
+        .panel-heading
+          .panel-title
+            = EventType.model_name.human.mb_chars.capitalize
+            = ff.link_to_remove icon(:remove), class: ['btn', 'btn-danger', 'btn-xs', 'pull-right', ff.object.events.any? ? 'disabled' : nil]
+          span.clearfix
+        .panel-body
+          = ff.input :name
+          = ff.input :description
+.col-lg-6
+  .panel.panel-default
+    .panel-heading
+      .panel-title
+        = t 'actions.new.title_f', model: EventType.model_name.human
+    .panel-body
+      .form-group.text-center
+        = form.link_to_add t('actions.create.button', model: EventType.model_name.human), :event_types, data: {target: '#event_types'}, class: 'btn btn-success'

config/locales/bg.yml

@@ -63,6 +63,9 @@ bg:
       subject: 'Предложението ви за %{conference} за %{submission_type} „%{title}“ е одобрено'
   activerecord:
     models:
+      event_type:
+        one: вид събитие
+        other: видове събития
       hall:
         one: зала
         other: зали
@@ -133,6 +136,9 @@ bg:
         track_id: Поток от лекции
         agreement: Съгласен(на) съм
         user: Лектор
+      event_type:
+        name: Име
+        description: Описание
     errors:
       models:
         user:

db/migrate/20150719170422_add_description_to_event_types.rb

@@ -0,0 +1,5 @@
+class AddDescriptionToEventTypes < ActiveRecord::Migration
+  def change
+    add_column :event_types, :description, :text
+  end
+end