Adapt ability to allow create a proposal if cfp is open

This is necessary because the manage block does not cover it.
event.users.include?(user) is always false for :new and :create because
the event_users are not saved yet.
Introduced in 3e32c58

app/controllers/proposal_controller.rb

@@ -2,7 +2,7 @@ class ProposalController < ApplicationController
   before_filter :authenticate_user!, except: [:show, :new, :create]
   load_resource :conference, find_by: :short_title
   load_resource :program, through: :conference, singleton: true
-  load_and_authorize_resource :event, parent: false, through: :program, except: [:new, :create]
+  load_and_authorize_resource :event, parent: false, through: :program
 
   def index
     @event = @program.events.new
@@ -16,8 +16,8 @@ class ProposalController < ApplicationController
   end
 
   def new
-    @event = @program.events.new
     @event.event_users.new(user: current_user, event_role: 'submitter') if current_user
+    @event.event_users.new(user: current_user, event_role: 'speaker') if current_user
     authorize! :new, @event
     @user = User.new
     @url = conference_program_proposal_index_path(@conference.short_title)
@@ -45,18 +45,7 @@ class ProposalController < ApplicationController
     end
 
     params[:event].delete :user
-
-    @event = Event.new(event_params)
-    @event.program = @program
-
-    # User which creates the proposal is both `submitter` and `speaker` of proposal
-    # by default.
-    # TODO: Allow submitter to add speakers to proposals
-    @event.event_users.new(user: current_user,
-                           event_role: 'submitter')
-    @event.event_users.new(user: current_user,
-                           event_role: 'speaker')
-    authorize! :new, @event
+    authorize! :create, @event
 
     if @event.save
       ahoy.track 'Event submission', title: 'New submission'
@@ -152,7 +141,7 @@ class ProposalController < ApplicationController
   def event_params
     params.require(:event).permit(:event_type_id, :track_id, :difficulty_level_id,
                                   :title, :subtitle, :abstract, :description,
-                                  :require_registration, :max_attendees)
+                                  :require_registration, :max_attendees, event_users_attributes: [:user_id, :event_role])
   end
 
   def user_params

app/models/ability.rb

@@ -58,7 +58,7 @@ class Ability
         event.new_record?
       end
 
-      can [:new, :create], Event do |event|
+      can :new, Event do |event|
         event.program.cfp_open? && event.new_record?
       end
     end
@@ -82,14 +82,19 @@ class Ability
 
     can [:create, :destroy], Subscription, user_id: user.id
 
-    can :manage, Event do |event|
+    can [:read, :update, :destroy], Event do |event|
       event.users.include?(user)
     end
 
-    # cannot create an event if program does not have open cfp
-    cannot [:new, :create], Event do |event|
-      user_inclusion = event.event_users.map { |event_user| event_user.user.id }.compact.include? user.id
-      !event.program.cfp_open? || !event.new_record? || !user_inclusion
+    can [:new], Event do |event|
+      event.program.cfp_open? && event.new_record?
+    end
+
+    can [:create], Event do |event|
+      # event.users.include?(user) doesn't work here because the event_user object isn't saved when we call authorize!
+      # Checks that only the current_user is in event_users
+      user_inclusion = event.event_users.map { |event_user| event_user.user_id }.uniq - [ user.id ]
+      user_inclusion.empty? && event.program.cfp_open? && event.new_record?
     end
 
     # can manage the commercials of their own events

app/views/proposal/new.html.haml

@@ -61,6 +61,10 @@
                 = f.input :description, input_html: { rows: 5 }, label: 'Requirements', placeholder: 'Eg. Whiteboard, printer, or something like that.'
 
             %p.text-right
+              = f.semantic_fields_for :event_users do |event_user|
+                = event_user.inputs :user, :style => 'display: none'
+                = event_user.inputs :event_role, :style => 'display: none'
+
               = f.submit 'Create Proposal', class: 'btn btn-success'
 
         .tab-pane{role: 'tabpanel', id: 'signin'}

spec/models/ability_spec.rb

@@ -34,6 +34,7 @@ describe 'User' do
 
     let(:program_with_cfp) { create(:program, cfp: create(:cfp)) }
     let(:program_without_cfp) { create(:program) }
+    let(:program_with_cfp_in_the_past) { create(:program, cfp: create(:cfp, start_date: 2.day.ago, end_date: 1.day.ago)) }
     let(:conference_with_open_registration) { create(:conference) }
     let!(:open_registration_period) { create(:registration_period, conference: conference_with_open_registration, start_date: Date.current - 6.days) }
     let(:conference_with_closed_registration) { create(:conference) }
@@ -70,8 +71,8 @@ describe 'User' do
       it{ should_not be_able_to(:manage, registration)}
 
       it{ should be_able_to(:new, Event.new(program: program_with_cfp)) }
-      it{ should_not be_able_to(:new, Event.new(program: program_without_cfp)) }
-      it{ should_not be_able_to(:create, Event.new(program: program_without_cfp))}
+      it{ should_not be_able_to(:create, Event.new(program: program_without_cfp)) }
+      it{ should_not be_able_to(:create, Event.new(program: program_with_cfp_in_the_past)) }
       it{ should be_able_to(:show, Event.new)}
 
       it{ should_not be_able_to(:manage, :any)}
@@ -81,6 +82,7 @@ describe 'User' do
     context 'when user is signed in' do
       let(:user) { create(:user) }
       let(:user2) { create(:user) }
+      let(:event_user) { create(:submitter, user: user) }
       let(:event_user2) { create(:submitter, user: user2) }
 
       let(:subscription) { create(:subscription, user: user) }
@@ -103,13 +105,20 @@ describe 'User' do
       it{ should be_able_to(:create, Subscription.new(user_id: user.id)) }
       it{ should be_able_to(:destroy, subscription) }
 
-      it{ should be_able_to(:manage, user_event_with_cfp) }
-      it{ should_not be_able_to(:new, Event.new(program: program_without_cfp)) }
-      it{ should_not be_able_to(:create, Event.new(program: program_without_cfp)) }
-      it{ should_not be_able_to(:new, Event.new(program: program_with_cfp, event_users: [event_user2])) }
-      it{ should_not be_able_to(:create, Event.new(program: program_with_cfp, event_users: [event_user2])) }
+      it{ should be_able_to(:read, user_event_with_cfp) }
+      it{ should be_able_to(:update, user_event_with_cfp) }
+      it{ should be_able_to(:destroy, user_event_with_cfp) }
+      it{ should be_able_to(:create, Event.new(program: program_with_cfp, event_users: [event_user])) }
+      it{ should be_able_to(:new, Event.new(program: program_with_cfp, event_users: [event_user])) }
 
-      it{ should_not be_able_to(:manage, event_unconfirmed) }
+      it{ should_not be_able_to(:read, create(:event, event_users: [event_user2])) }
+      it{ should_not be_able_to(:update, create(:event, event_users: [event_user2])) }
+      it{ should_not be_able_to(:delete, create(:event, event_users: [event_user2])) }
+      it{ should_not be_able_to(:create, Event.new(program: program_without_cfp, event_users: [event_user])) }
+      it{ should_not be_able_to(:create, Event.new(program: program_with_cfp_in_the_past, event_users: [event_user])) }
+      it{ should_not be_able_to(:create, Event.new(program: program_with_cfp, event_users: [event_user2])) }
+      it{ should_not be_able_to(:new, Event.new(program: program_without_cfp)) }
+      it{ should_not be_able_to(:new, Event.new(program: program_with_cfp_in_the_past)) }
 
       it{ should be_able_to(:create, user_event_with_cfp.commercials.new) }
       it{ should be_able_to(:manage, user_commercial) }