Implement changing of the status of the CFP

Allow a user to start and end a call for participation from the
conference list.

app/assets/javascripts/management/conferences.js.coffee

@@ -1,4 +1,6 @@
 $ ->
+  $('.cfp-toggle').click ->
+    $(this).addClass("disabled")
   Morris.Line
     element: 'submissions-chart'
     data: $('#submissions-chart').data('submissions')

app/controllers/management/call_for_participations_controller.rb

@@ -0,0 +1,21 @@
+module Management
+  class CallForParticipationsController < ManagementController
+    before_action :assign_conference
+
+    def create
+      @conference.call_for_participation.open!
+      render :redraw
+    end
+
+    def destroy
+      @conference.call_for_participation.close!
+      render :redraw
+    end
+
+    private
+
+    def assign_conference
+      @conference = Conference.find params[:conference_id]
+    end
+  end
+end

app/views/management/call_for_participations/_status.html.slim

@@ -0,0 +1,7 @@
+div id="cfp-status-#{conference.id}"
+  - if conference.call_for_participation.in_progress?
+    = link_to management_conference_call_for_participation_path(conference), method: :delete, class: 'btn btn-sm btn-success cfp-toggle', remote: true
+      = icon 'dot-circle-o', '', class: 'fa-fw'
+  - else
+    = link_to management_conference_call_for_participation_path(conference), method: :post, class: 'btn btn-sm btn-warning cfp-toggle', remote: true
+      = icon 'circle-o', class: 'fa-fw'

app/views/management/call_for_participations/redraw.js.erb

@@ -0,0 +1,2 @@
+$('#cfp-status-<%= @conference.id %>').replaceWith('<%= j render partial: 'status', locals: {conference: @conference}%>');
+$('#cfp-status-<%= @conference.id %>').children('.cfp-toggle').click(function() {$(this).addClass("disabled");});

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

@@ -3,12 +3,7 @@ tr
   td.hidden-xs.hidden-sm = l conference.start_date.to_date, format: :long
   td.hidden-xs.hidden-sm = l conference.end_date.to_date, format: :long
   td.action
-    - if conference.call_for_papers_open?
-      = link_to '#', method: :delete, class: 'btn btn-sm btn-success cfp-toggle', remote: true, onclick: '$(".cfp-toggle").addClass("disabled")'
-        = icon 'dot-circle-o', '', class: 'fa-fw'
-    - else
-      = link_to '#', method: :post, class: 'btn btn-sm btn-warning cfp-toggle', remote: true, onclick: '$(".cfp-toggle").addClass("disabled")'
-        = icon 'circle-o', class: 'fa-fw'
+    = render partial: 'management/call_for_participations/status', locals: {conference: conference}
 
   td = conference.events.count
   td.actions

config/routes.rb

@@ -8,6 +8,7 @@ Rails.application.routes.draw do
       resources :events
       resources :volunteers
       resources :sponsorship_offers
+      resource :call_for_participation, only: [:create, :destroy]
     end
     resources :users
   end

spec/controllers/management/call_for_participations_controller_spec.rb

@@ -0,0 +1,25 @@
+require 'rails_helper'
+
+RSpec.describe Management::CallForParticipationsController, type: :controller do
+  let(:user) { create :administrator }
+  let(:conference) { create :conference }
+  before { sign_in user }
+
+  describe 'POST #create' do
+    it 'opens the CFP of the specified conference' do
+      expect do
+        post 'create', conference_id: conference.id, format: :js
+      end.to change { Conference.find(conference.id).call_for_participation.in_progress? }.from(false).to(true)
+    end
+  end
+
+  describe 'DELETE #destroy' do
+    it 'closes the CFP of the specified conference' do
+      conference.call_for_participation.open!
+
+      expect do
+        delete 'destroy', conference_id: conference.id, format: :js
+      end.to change { Conference.find(conference.id).call_for_participation.in_progress? }.from(true).to(false)
+    end
+  end
+end